Image_Optimizer_NAT-2.0-2.2/upload/admin/model/module/img_opti.php

<?php
if (!defined('DIR_APPLICATION')) { exit; }

class ModelModuleImgOpti extends Model {
    private $translations = array();

    private function paginateScanResult($rows, $data, $headers, $extra = array()) {
        $start = isset($data['start']) ? max(0, (int)$data['start']) : 0;
        $limit = isset($data['limit']) ? max(0, (int)$data['limit']) : 0;
        $total = count($rows);

        if ($limit > 0) {
            $sliced_rows = array_slice($rows, $start, $limit);
        } else {
            $sliced_rows = $rows;
        }

        $result = array(
            'success' => true,
            'total'   => $total,
            'start'   => $start,
            'limit'   => $limit,
            'headers' => $headers,
            'rows'    => $sliced_rows
        );

        return array_merge($result, $extra);
    }

    private function formatFixResult($processed = 0, $total = 0) {
        return array(
            'success'   => true,
            'processed' => (int)$processed,
            'total'     => (int)$total
        );
    }

    public function get_cached_grid($data) {
        $this->loadLanguageSafe();
        $tool = isset($data['tool']) ? preg_replace('/[^a-zA-Z0-9_]/', '', (string)$data['tool']) : '';
        if ($tool === 'broken') $tool = 'broken_db';
        $cache_file = DIR_CACHE . 'img_opti_' . $tool . '_grid.json';
        if (!file_exists($cache_file)) {
            return array('success' => false, 'rows' => array(), 'total' => 0);
        }
        $rows = json_decode(file_get_contents($cache_file), true);
        if (!is_array($rows)) $rows = array();

        return $this->paginateScanResult($rows, $data, array(
            $this->language->get('text_th_preview'),
            $this->language->get('text_th_entity'),
            $this->language->get('text_th_before'),
            $this->language->get('text_th_after'),
            $this->language->get('text_th_action')
        ));
    }

    public function backupCatalogTables($tool_name) {
        $tables = array(
            DB_PREFIX . 'product',
            DB_PREFIX . 'product_image',
            DB_PREFIX . 'category',
            DB_PREFIX . 'manufacturer'
        );
        $backup_dir = DIR_IMAGE . 'catalog_trash/backup/';
        if (!is_dir($backup_dir)) {
            @mkdir($backup_dir, 0755, true);
        }
        $file_name = 'backup_db_' . $tool_name . '_' . date('Ymd_His') . '.sql';
        $file_path = $backup_dir . $file_name;
        $fp = @fopen($file_path, 'w');
        if (!$fp) {
            $this->registerModuleFolder('catalog_trash/backup');
            return $file_name;
        }
        fwrite($fp, "-- Database Backup for Tool: " . $tool_name . "\n");
        fwrite($fp, "-- Date: " . date('Y-m-d H:i:s') . "\n\n");
        foreach ($tables as $table) {
            fwrite($fp, "DROP TABLE IF EXISTS `" . $table . "`;\n");
            $query = $this->db->query("SHOW CREATE TABLE `" . $table . "`");
            if ($query->num_rows) {
                fwrite($fp, $query->row['Create Table'] . ";\n\n");
            }
            $chunk_size = 200;
            $offset = 0;
            do {
                $query_rows = $this->db->query("SELECT * FROM `" . $table . "` LIMIT " . (int)$chunk_size . " OFFSET " . (int)$offset);
                foreach ($query_rows->rows as $row) {
                    $fields = array();
                    $values = array();
                    foreach ($row as $key => $value) {
                        $fields[] = "`" . $key . "`";
                        if ($value === null) {
                            $values[] = "NULL";
                        } else {
                            $values[] = "'" . $this->db->escape($value) . "'";
                        }
                    }
                    fwrite($fp, "INSERT INTO `" . $table . "` (" . implode(', ', $fields) . ") VALUES (" . implode(', ', $values) . ");\n");
                }
                $offset += $chunk_size;
            } while ($query_rows->num_rows === $chunk_size);
            fwrite($fp, "\n");
        }
        fclose($fp);
        $this->registerModuleFolder('catalog_trash/backup');
        return $file_name;
    }

    public function quarantineFile($relative_path, $tool_name) {
        $clean_rel = str_replace(array('../', '..\\', "\0"), '', (string)$relative_path);
        $src = DIR_IMAGE . $clean_rel;
        if (!is_file($src)) return false;
        $dest = DIR_IMAGE . 'catalog_trash/' . $tool_name . '/' . ltrim($clean_rel, '/');
        $dest_dir = $this->mb_dirname($dest);
        if (!is_dir($dest_dir)) {
            @mkdir($dest_dir, 0755, true);
        }
        $this->registerModuleFolder('catalog_trash/' . $tool_name);
        if (file_exists($dest)) {
            @unlink($dest);
        }
        if (!@rename($src, $dest)) {
            if (@copy($src, $dest)) {
                @unlink($src);
                return true;
            }
            return false;
        }
        return true;
    }

    public function registerModuleFolder($folder_name) {
        $folder_name = preg_replace('/[^a-zA-Z0-9_\-\/]/', '', (string)$folder_name);
        if (empty($folder_name)) return;
        $query = $this->db->query("SELECT `value` FROM `" . DB_PREFIX . "setting` WHERE `code` = 'module_img_opti' AND `key` = 'module_img_opti_folders'");
        $folders = ($query->num_rows && $query->row['value']) ? json_decode($query->row['value'], true) : array();
        if (!in_array($folder_name, $folders)) {
            $folders[] = $folder_name;
            $this->db->query("DELETE FROM `" . DB_PREFIX . "setting` WHERE `code` = 'module_img_opti' AND `key` = 'module_img_opti_folders'");
            $this->db->query("INSERT INTO `" . DB_PREFIX . "setting` SET `store_id` = '0', `code` = 'module_img_opti', `key` = 'module_img_opti_folders', `value` = '" . $this->db->escape(json_encode($folders)) . "'");
        }
    }

    private function getSearchLinks($name, $model = '') {
        $query_parts = array();
        if ($name) $query_parts[] = trim($name);
        if ($model) $query_parts[] = trim($model);
        $search_query = implode(' ', $query_parts);
        if (!$search_query) return '';
        
        $google_url = 'https://www.google.com/search?tbm=isch&q=' . urlencode($search_query);
        $yandex_url = 'https://yandex.ru/images/search?text=' . urlencode($search_query);
        
        $html = ' <a href="' . $google_url . '" target="_blank" title="Search Google Images" style="margin-left: 5px; color: #4285F4;"><i class="fa fa-google"></i></a>';
        $html .= ' <a href="' . $yandex_url . '" target="_blank" title="Search Yandex Images" style="margin-left: 5px; color: #FF0000;"><i class="fa fa-yandex"></i></a>';
        
        return $html;
    }

    private function getEntitiesByImagePath($image_path) {
        $entities = array();
        $escaped = $this->db->escape((string)$image_path);
        $catalog_url = (defined('HTTPS_CATALOG') && HTTPS_CATALOG) ? HTTPS_CATALOG : (defined('HTTP_CATALOG') ? HTTP_CATALOG : '');
        $query = $this->db->query("SELECT p.product_id, p.model, p.status, p.date_available, (SELECT p2s.store_id FROM `" . DB_PREFIX . "product_to_store` p2s WHERE p2s.product_id = p.product_id AND p2s.store_id = '" . (int)$this->config->get('config_store_id') . "' LIMIT 1) AS store_id, (SELECT name FROM `" . DB_PREFIX . "product_description` pd WHERE pd.product_id = p.product_id AND pd.language_id = '" . (int)$this->config->get('config_language_id') . "' LIMIT 1) AS name FROM `" . DB_PREFIX . "product` p WHERE p.image = '" . $escaped . "'");
        foreach ($query->rows as $row) {
            $admin_link = $this->url->link('catalog/product/edit', 'user_token=' . $this->session->data['user_token'] . '&product_id=' . (int)$row['product_id'], true);
            $catalog_link_html = '';
            if (isset($row['status']) && (int)$row['status'] === 1 && (empty($row['date_available']) || strtotime($row['date_available']) <= time()) && (isset($row['store_id']) && $row['store_id'] !== null)) {
                $catalog_link = $catalog_url . 'index.php?route=product/product&product_id=' . (int)$row['product_id'];
                $catalog_link_html = ' <a href="' . $catalog_link . '" target="_blank" title="On Catalog"><i class="fa fa-external-link text-muted"></i></a>';
            }
            $search_links = $this->getSearchLinks($row['name'], $row['model']);
            $entities[] = '<span class="label label-info">Product</span> <a href="' . $admin_link . '" target="_blank">' . htmlspecialchars($row['name'] ? $row['name'] : 'Product ID ' . $row['product_id'], ENT_QUOTES, 'UTF-8') . '</a>' . $catalog_link_html . $search_links;
        }
        $query = $this->db->query("SELECT pi.product_id, p.model, p.status, p.date_available, (SELECT p2s.store_id FROM `" . DB_PREFIX . "product_to_store` p2s WHERE p2s.product_id = pi.product_id AND p2s.store_id = '" . (int)$this->config->get('config_store_id') . "' LIMIT 1) AS store_id, (SELECT name FROM `" . DB_PREFIX . "product_description` pd WHERE pd.product_id = pi.product_id AND pd.language_id = '" . (int)$this->config->get('config_language_id') . "' LIMIT 1) AS name FROM `" . DB_PREFIX . "product_image` pi LEFT JOIN `" . DB_PREFIX . "product` p ON (pi.product_id = p.product_id) WHERE pi.image = '" . $escaped . "'");
        foreach ($query->rows as $row) {
            $admin_link = $this->url->link('catalog/product/edit', 'user_token=' . $this->session->data['user_token'] . '&product_id=' . (int)$row['product_id'], true);
            $catalog_link_html = '';
            if (isset($row['status']) && (int)$row['status'] === 1 && (empty($row['date_available']) || strtotime($row['date_available']) <= time()) && (isset($row['store_id']) && $row['store_id'] !== null)) {
                $catalog_link = $catalog_url . 'index.php?route=product/product&product_id=' . (int)$row['product_id'];
                $catalog_link_html = ' <a href="' . $catalog_link . '" target="_blank" title="On Catalog"><i class="fa fa-external-link text-muted"></i></a>';
            }
            $search_links = $this->getSearchLinks($row['name'], $row['model']);
            $entities[] = '<span class="label label-info">Product (Add.)</span> <a href="' . $admin_link . '" target="_blank">' . htmlspecialchars($row['name'] ? $row['name'] : 'Product ID ' . $row['product_id'], ENT_QUOTES, 'UTF-8') . '</a>' . $catalog_link_html . $search_links;
        }
        $query = $this->db->query("SELECT c.category_id, c.status, (SELECT c2s.store_id FROM `" . DB_PREFIX . "category_to_store` c2s WHERE c2s.category_id = c.category_id AND c2s.store_id = '" . (int)$this->config->get('config_store_id') . "' LIMIT 1) AS store_id, (SELECT name FROM `" . DB_PREFIX . "category_description` cd WHERE cd.category_id = c.category_id AND cd.language_id = '" . (int)$this->config->get('config_language_id') . "' LIMIT 1) AS name FROM `" . DB_PREFIX . "category` c WHERE image = '" . $escaped . "'");
        foreach ($query->rows as $row) {
            $admin_link = $this->url->link('catalog/category/edit', 'user_token=' . $this->session->data['user_token'] . '&category_id=' . (int)$row['category_id'], true);
            $catalog_link_html = '';
            if (isset($row['status']) && (int)$row['status'] === 1 && (isset($row['store_id']) && $row['store_id'] !== null)) {
                $catalog_link = $catalog_url . 'index.php?route=product/category&path=' . (int)$row['category_id'];
                $catalog_link_html = ' <a href="' . $catalog_link . '" target="_blank" title="On Catalog"><i class="fa fa-external-link text-muted"></i></a>';
            }
            $search_links = $this->getSearchLinks($row['name']);
            $entities[] = '<span class="label label-success">Category</span> <a href="' . $admin_link . '" target="_blank">' . htmlspecialchars($row['name'] ? $row['name'] : 'Category ID ' . $row['category_id'], ENT_QUOTES, 'UTF-8') . '</a>' . $catalog_link_html . $search_links;
        }
        $query = $this->db->query("SELECT m.manufacturer_id, m.name, (SELECT m2s.store_id FROM `" . DB_PREFIX . "manufacturer_to_store` m2s WHERE m2s.manufacturer_id = m.manufacturer_id AND m2s.store_id = '" . (int)$this->config->get('config_store_id') . "' LIMIT 1) AS store_id FROM `" . DB_PREFIX . "manufacturer` m WHERE image = '" . $escaped . "'");
        foreach ($query->rows as $row) {
            $admin_link = $this->url->link('catalog/manufacturer/edit', 'user_token=' . $this->session->data['user_token'] . '&manufacturer_id=' . (int)$row['manufacturer_id'], true);
            $catalog_link_html = '';
            if ((isset($row['store_id']) && $row['store_id'] !== null)) {
                $catalog_link = $catalog_url . 'index.php?route=product/manufacturer/info&manufacturer_id=' . (int)$row['manufacturer_id'];
                $catalog_link_html = ' <a href="' . $catalog_link . '" target="_blank" title="On Catalog"><i class="fa fa-external-link text-muted"></i></a>';
            }
            $search_links = $this->getSearchLinks($row['name']);
            $entities[] = '<span class="label label-warning">Manufacturer</span> <a href="' . $admin_link . '" target="_blank">' . htmlspecialchars($row['name'], ENT_QUOTES, 'UTF-8') . '</a>' . $catalog_link_html . $search_links;
        }
        $table_query = $this->db->query("SHOW TABLES LIKE '" . DB_PREFIX . "banner_image'");
        if ($table_query->num_rows) {
            $query_banner = $this->db->query("SELECT bi.banner_id, b.name FROM `" . DB_PREFIX . "banner_image` bi LEFT JOIN `" . DB_PREFIX . "banner` b ON (bi.banner_id = b.banner_id) WHERE bi.image = '" . $escaped . "'");
            foreach ($query_banner->rows as $row) {
                $admin_link = $this->url->link('design/banner/edit', 'user_token=' . $this->session->data['user_token'] . '&banner_id=' . (int)$row['banner_id'], true);
                $search_links = $this->getSearchLinks($row['name']);
                $entities[] = '<span class="label label-default">Banner</span> <a href="' . $admin_link . '" target="_blank">' . htmlspecialchars($row['name'] ? $row['name'] : 'Banner ID ' . $row['banner_id'], ENT_QUOTES, 'UTF-8') . '</a>' . $search_links;
            }
        }
        $blog_tables = array(
            'oct_blog_article' => array('id' => 'blog_article_id', 'route' => 'extension/news', 'name' => 'title', 'type' => 'OCT Blog'),
            'simple_blog_article' => array('id' => 'simple_blog_article_id', 'route' => 'simple_blog/article/edit', 'name' => 'article_title', 'type' => 'Simple Blog'),
            'newsblog_article' => array('id' => 'article_id', 'route' => 'extension/newsblog/article/edit', 'name' => 'name', 'type' => 'NewsBlog'),
            'information' => array('id' => 'information_id', 'route' => 'catalog/information/edit', 'name' => 'title', 'type' => 'Information')
        );
        foreach ($blog_tables as $table => $cfg) {
            $table_query = $this->db->query("SHOW TABLES LIKE '" . DB_PREFIX . $table . "'");
            if ($table_query->num_rows) {
                $column_query = $this->db->query("SHOW COLUMNS FROM `" . DB_PREFIX . $table . "` LIKE 'image'");
                if ($column_query->num_rows) {
                    $desc_table = $table . '_description';
                    $desc_query = $this->db->query("SHOW TABLES LIKE '" . DB_PREFIX . $desc_table . "'");
                    if ($desc_query->num_rows) {
                        $sql = "SELECT t.`" . $cfg['id'] . "`, td.`" . $cfg['name'] . "` as name FROM `" . DB_PREFIX . $table . "` t LEFT JOIN `" . DB_PREFIX . $desc_table . "` td ON (t.`" . $cfg['id'] . "` = td.`" . $cfg['id'] . "`) WHERE t.image = '" . $escaped . "' AND td.language_id = '" . (int)$this->config->get('config_language_id') . "' LIMIT 5";
                    } else {
                        $sql = "SELECT `" . $cfg['id'] . "`, `" . $cfg['name'] . "` as name FROM `" . DB_PREFIX . $table . "` WHERE image = '" . $escaped . "' LIMIT 5";
                    }
                    try {
                        $query_blog = $this->db->query($sql);
                        foreach ($query_blog->rows as $row) {
                            $admin_link = $this->url->link($cfg['route'], 'user_token=' . $this->session->data['user_token'] . '&' . $cfg['id'] . '=' . (int)$row[$cfg['id']], true);
                            $search_links = $this->getSearchLinks($row['name']);
                            $entities[] = '<span class="label label-primary">' . $cfg['type'] . '</span> <a href="' . $admin_link . '" target="_blank">' . htmlspecialchars($row['name'] ? $row['name'] : $cfg['type'] . ' ID ' . $row[$cfg['id']], ENT_QUOTES, 'UTF-8') . '</a>' . $search_links;
                        }
                    } catch (Exception $e) {}
                }
            }
        }
        return $entities;
    }

    public function checkAndFixFakeJpgOnTheFly($filename) {
        if (!$this->config->get('module_img_opti_status') || !$this->config->get('module_img_opti_auto_fake_jpg_guard')) {
            return $filename;
        }

        $cleanFile = str_replace(array('../', '..\\', "\0"), '', (string)$filename);
        $ext = strtolower(pathinfo($cleanFile, PATHINFO_EXTENSION));
        if (!in_array($ext, array('jpg', 'jpeg'))) {
            return $filename;
        }

        $fullPath = DIR_IMAGE . $cleanFile;
        if (!is_file($fullPath)) {
            return $filename;
        }

        $header = @file_get_contents($fullPath, false, null, 0, 8);
        if ($header !== "\x89PNG\r\n\x1a\n") {
            return $filename;
        }

        $mode = $this->config->get('module_img_opti_fake_jpg_mode');
        if ($mode === 'png') {
            $newRelPath = preg_replace('/\.(jpg|jpeg)$/i', '.png', $cleanFile);
            $newFullPath = DIR_IMAGE . $newRelPath;
            if (@copy($fullPath, $newFullPath)) {
                $this->updateImagePathInDb($cleanFile, $newRelPath);
                $this->deleteImageCache($cleanFile);
                @unlink($fullPath);
                return $newRelPath;
            }
        } else {
            if ($this->convertPngToJpgClean($fullPath, 100)) {
                $this->deleteImageCache($cleanFile);
            }
        }

        return $filename;
    }

    public function getGlobalStats() {
        $stats = $this->config->get('module_img_opti_global_stats');
        if (is_string($stats)) {
            $stats = json_decode($stats, true);
        }
        if (!is_array($stats)) {
            $stats = array(
                'total_files'          => 0,
                'total_bytes_saved'    => 0,
                'total_original_bytes' => 0,
                'last_updated'         => 0
            );
        }

        $total_files = isset($stats['total_files']) ? (int)$stats['total_files'] : 0;
        $total_saved = isset($stats['total_bytes_saved']) ? (float)$stats['total_bytes_saved'] : 0.0;
        $total_orig  = isset($stats['total_original_bytes']) ? (float)$stats['total_original_bytes'] : 0.0;

        $mb_saved = round($total_saved / (1024 * 1024), 2);
        $avg_pct = ($total_orig > 0) ? round(($total_saved / $total_orig) * 100, 1) : 0.0;

        return array(
            'total_files'          => $total_files,
            'total_bytes_saved'    => $total_saved,
            'total_original_bytes' => $total_orig,
            'saved_mb'             => $mb_saved,
            'avg_pct'              => $avg_pct
        );
    }

    public function recordGlobalStats($filesCount, $bytesSaved, $originalBytes = 0, $source = 'opti') {
        if ($filesCount <= 0 && $bytesSaved <= 0) return;

        $stats = $this->config->get('module_img_opti_global_stats');
        if (is_string($stats)) {
            $stats = json_decode($stats, true);
        }
        if (!is_array($stats)) {
            $stats = array(
                'total_files'          => 0,
                'total_bytes_saved'    => 0,
                'total_original_bytes' => 0,
                'last_updated'         => 0
            );
        }

        $stats['total_files'] += (int)$filesCount;
        $stats['total_bytes_saved'] += (float)$bytesSaved;
        if ($originalBytes > 0) {
            $stats['total_original_bytes'] += (float)$originalBytes;
        } else {
            $stats['total_original_bytes'] += (float)$bytesSaved;
        }
        $stats['last_updated'] = time();

        $this->load->model('setting/setting');
        $this->model_setting_setting->editSettingValue('module_img_opti', 'module_img_opti_global_stats', json_encode($stats));
    }

    public function resetGlobalStats() {
        $stats = array(
            'total_files'          => 0,
            'total_bytes_saved'    => 0,
            'total_original_bytes' => 0,
            'last_updated'         => time()
        );
        $this->load->model('setting/setting');
        $this->model_setting_setting->editSettingValue('module_img_opti', 'module_img_opti_global_stats', json_encode($stats));
        return $this->getGlobalStats();
    }

    private function updateImagePathInDb($oldPath, $newPath) {
        $escapedOld = $this->db->escape((string)$oldPath);
        $escapedNew = $this->db->escape((string)$newPath);
        $updated = 0;

        $this->db->query("UPDATE `" . DB_PREFIX . "product` SET image = '" . $escapedNew . "' WHERE image = '" . $escapedOld . "'");
        $updated += $this->db->countAffected();

        $this->db->query("UPDATE `" . DB_PREFIX . "product_image` SET image = '" . $escapedNew . "' WHERE image = '" . $escapedOld . "'");
        $updated += $this->db->countAffected();

        $this->db->query("UPDATE `" . DB_PREFIX . "category` SET image = '" . $escapedNew . "' WHERE image = '" . $escapedOld . "'");
        $updated += $this->db->countAffected();

        $this->db->query("UPDATE `" . DB_PREFIX . "manufacturer` SET image = '" . $escapedNew . "' WHERE image = '" . $escapedOld . "'");
        $updated += $this->db->countAffected();

        $table_query = $this->db->query("SHOW TABLES LIKE '" . DB_PREFIX . "banner_image'");
        if ($table_query->num_rows) {
            $this->db->query("UPDATE `" . DB_PREFIX . "banner_image` SET image = '" . $escapedNew . "' WHERE image = '" . $escapedOld . "'");
            $updated += $this->db->countAffected();
        }

        $blog_tables = array('oct_blog_article', 'simple_blog_article', 'newsblog_article', 'information');
        foreach ($blog_tables as $table) {
            $table_query = $this->db->query("SHOW TABLES LIKE '" . DB_PREFIX . $table . "'");
            if ($table_query->num_rows) {
                $column_query = $this->db->query("SHOW COLUMNS FROM `" . DB_PREFIX . $table . "` LIKE 'image'");
                if ($column_query->num_rows) {
                    try {
                        $this->db->query("UPDATE `" . DB_PREFIX . $table . "` SET image = '" . $escapedNew . "' WHERE image = '" . $escapedOld . "'");
                        $updated += $this->db->countAffected();
                    } catch (Exception $e) {}
                }
            }
        }

        return $updated;
    }

    public function scan_broken_db($data = array()) {
        $this->loadLanguageSafe();
        $rows = array();
        $realImageDir = rtrim(str_replace('\\', '/', realpath(DIR_IMAGE)), '/');
        $catalog_url = (defined('HTTPS_CATALOG') && HTTPS_CATALOG) ? HTTPS_CATALOG : (defined('HTTP_CATALOG') ? HTTP_CATALOG : '');

        $query = $this->db->query("SELECT p.product_id as id, p.model, p.image, p.status, p.date_available, (SELECT p2s.store_id FROM `" . DB_PREFIX . "product_to_store` p2s WHERE p2s.product_id = p.product_id AND p2s.store_id = '" . (int)$this->config->get('config_store_id') . "' LIMIT 1) AS store_id, (SELECT name FROM `" . DB_PREFIX . "product_description` pd WHERE pd.product_id = p.product_id AND pd.language_id = '" . (int)$this->config->get('config_language_id') . "' LIMIT 1) AS name FROM `" . DB_PREFIX . "product` p WHERE image != '' AND image IS NOT NULL");
        foreach ($query->rows as $row) {
            $image_path = str_replace(array('../', '..\\', "\0"), '', (string)$row['image']);
            $fullPath = DIR_IMAGE . $image_path;
            $realPath = realpath($fullPath);
            if (!$realPath || strpos(str_replace('\\', '/', $realPath), $realImageDir) !== 0 || !is_file($realPath)) {
                $admin_link = $this->url->link('catalog/product/edit', 'user_token=' . $this->session->data['user_token'] . '&product_id=' . (int)$row['id'], true);
                $catalog_link_html = '';
                if (isset($row['status']) && (int)$row['status'] === 1 && (empty($row['date_available']) || strtotime($row['date_available']) <= time()) && (isset($row['store_id']) && $row['store_id'] !== null)) {
                    $catalog_link = $catalog_url . 'index.php?route=product/product&product_id=' . (int)$row['id'];
                    $catalog_link_html = ' <a href="' . $catalog_link . '" target="_blank"><i class="fa fa-external-link text-muted"></i></a>';
                }
                $search_links = $this->getSearchLinks($row['name'], $row['model']);
                $rows[] = array(
                    'id' => 'product_main-' . (int)$row['id'],
                    'preview' => '<i class="fa fa-exclamation-triangle text-danger" style="font-size:20px;"></i>',
                    'name' => '<span class="label label-info">Product</span> <a href="' . $admin_link . '" target="_blank">' . htmlspecialchars($row['name'] ? $row['name'] : 'Product ID ' . (int)$row['id'], ENT_QUOTES, 'UTF-8') . '</a>' . $catalog_link_html . $search_links,
                    'before' => '<b>' . $this->language->get('text_grid_missing_file') . '</b>: ' . htmlspecialchars($image_path, ENT_QUOTES, 'UTF-8'),
                    'after' => $this->language->get('text_grid_broken_db_after'),
                    'actions' => array(
                        'clear' => $this->language->get('text_action_clear'),
                        'disable' => $this->language->get('text_action_disable'),
                        'stock' => $this->language->get('text_action_stock'),
                        'placeholder' => $this->language->get('text_action_placeholder'),
                        'ignore' => $this->language->get('text_action_ignore')
                    ),
                    'selected_action' => 'clear'
                );
            }
        }

        $query_add = $this->db->query("SELECT pi.product_image_id as id, pi.product_id, pi.image, p.model, p.status, p.date_available, (SELECT p2s.store_id FROM `" . DB_PREFIX . "product_to_store` p2s WHERE p2s.product_id = pi.product_id AND p2s.store_id = '" . (int)$this->config->get('config_store_id') . "' LIMIT 1) AS store_id, (SELECT name FROM `" . DB_PREFIX . "product_description` pd WHERE pd.product_id = pi.product_id AND pd.language_id = '" . (int)$this->config->get('config_language_id') . "' LIMIT 1) AS name FROM `" . DB_PREFIX . "product_image` pi LEFT JOIN `" . DB_PREFIX . "product` p ON (pi.product_id = p.product_id) WHERE pi.image != '' AND pi.image IS NOT NULL");
        foreach ($query_add->rows as $row) {
            $image_path = str_replace(array('../', '..\\', "\0"), '', (string)$row['image']);
            $fullPath = DIR_IMAGE . $image_path;
            $realPath = realpath($fullPath);
            if (!$realPath || strpos(str_replace('\\', '/', $realPath), $realImageDir) !== 0 || !is_file($realPath)) {
                $admin_link = $this->url->link('catalog/product/edit', 'user_token=' . $this->session->data['user_token'] . '&product_id=' . (int)$row['product_id'], true);
                $catalog_link_html = '';
                if (isset($row['status']) && (int)$row['status'] === 1 && (empty($row['date_available']) || strtotime($row['date_available']) <= time()) && (isset($row['store_id']) && $row['store_id'] !== null)) {
                    $catalog_link = $catalog_url . 'index.php?route=product/product&product_id=' . (int)$row['product_id'];
                    $catalog_link_html = ' <a href="' . $catalog_link . '" target="_blank"><i class="fa fa-external-link text-muted"></i></a>';
                }
                $search_links = $this->getSearchLinks($row['name'], $row['model']);
                $rows[] = array(
                    'id' => 'product_additional-' . (int)$row['id'],
                    'preview' => '<i class="fa fa-exclamation-triangle text-danger" style="font-size:20px;"></i>',
                    'name' => '<span class="label label-info">Product (Add.)</span> <a href="' . $admin_link . '" target="_blank">' . htmlspecialchars($row['name'] ? $row['name'] : 'Product ID ' . (int)$row['product_id'], ENT_QUOTES, 'UTF-8') . '</a>' . $catalog_link_html . $search_links,
                    'before' => '<b>' . $this->language->get('text_grid_missing_file') . '</b>: ' . htmlspecialchars($image_path, ENT_QUOTES, 'UTF-8'),
                    'after' => $this->language->get('text_grid_broken_db_after'),
                    'actions' => array(
                        'clear' => $this->language->get('text_action_clear'),
                        'placeholder' => $this->language->get('text_action_placeholder'),
                        'ignore' => $this->language->get('text_action_ignore')
                    ),
                    'selected_action' => 'clear'
                );
            }
        }

        $query_cat = $this->db->query("SELECT c.category_id as id, c.image, c.status, (SELECT c2s.store_id FROM `" . DB_PREFIX . "category_to_store` c2s WHERE c2s.category_id = c.category_id AND c2s.store_id = '" . (int)$this->config->get('config_store_id') . "' LIMIT 1) AS store_id, (SELECT name FROM `" . DB_PREFIX . "category_description` cd WHERE cd.category_id = c.category_id AND cd.language_id = '" . (int)$this->config->get('config_language_id') . "' LIMIT 1) AS name FROM `" . DB_PREFIX . "category` c WHERE image != '' AND image IS NOT NULL");
        foreach ($query_cat->rows as $row) {
            $image_path = str_replace(array('../', '..\\', "\0"), '', (string)$row['image']);
            $fullPath = DIR_IMAGE . $image_path;
            $realPath = realpath($fullPath);
            if (!$realPath || strpos(str_replace('\\', '/', $realPath), $realImageDir) !== 0 || !is_file($realPath)) {
                $admin_link = $this->url->link('catalog/category/edit', 'user_token=' . $this->session->data['user_token'] . '&category_id=' . (int)$row['id'], true);
                $catalog_link_html = '';
                if (isset($row['status']) && (int)$row['status'] === 1 && (isset($row['store_id']) && $row['store_id'] !== null)) {
                    $catalog_link = $catalog_url . 'index.php?route=product/category&path=' . (int)$row['id'];
                    $catalog_link_html = ' <a href="' . $catalog_link . '" target="_blank"><i class="fa fa-external-link text-muted"></i></a>';
                }
                $search_links = $this->getSearchLinks($row['name']);
                $rows[] = array(
                    'id' => 'category-' . (int)$row['id'],
                    'preview' => '<i class="fa fa-exclamation-triangle text-danger" style="font-size:20px;"></i>',
                    'name' => '<span class="label label-success">Category</span> <a href="' . $admin_link . '" target="_blank">' . htmlspecialchars($row['name'] ? $row['name'] : 'Category ID ' . (int)$row['id'], ENT_QUOTES, 'UTF-8') . '</a>' . $catalog_link_html . $search_links,
                    'before' => '<b>' . $this->language->get('text_grid_missing_file') . '</b>: ' . htmlspecialchars($image_path, ENT_QUOTES, 'UTF-8'),
                    'after' => $this->language->get('text_grid_broken_db_after'),
                    'actions' => array(
                        'clear' => $this->language->get('text_action_clear'),
                        'disable' => $this->language->get('text_action_disable'),
                        'placeholder' => $this->language->get('text_action_placeholder'),
                        'ignore' => $this->language->get('text_action_ignore')
                    ),
                    'selected_action' => 'clear'
                );
            }
        }

        $query_man = $this->db->query("SELECT m.manufacturer_id as id, m.name, m.image, (SELECT m2s.store_id FROM `" . DB_PREFIX . "manufacturer_to_store` m2s WHERE m2s.manufacturer_id = m.manufacturer_id AND m2s.store_id = '" . (int)$this->config->get('config_store_id') . "' LIMIT 1) AS store_id FROM `" . DB_PREFIX . "manufacturer` m WHERE image != '' AND image IS NOT NULL");
        foreach ($query_man->rows as $row) {
            $image_path = str_replace(array('../', '..\\', "\0"), '', (string)$row['image']);
            $fullPath = DIR_IMAGE . $image_path;
            $realPath = realpath($fullPath);
            if (!$realPath || strpos(str_replace('\\', '/', $realPath), $realImageDir) !== 0 || !is_file($realPath)) {
                $admin_link = $this->url->link('catalog/manufacturer/edit', 'user_token=' . $this->session->data['user_token'] . '&manufacturer_id=' . (int)$row['id'], true);
                $catalog_link_html = '';
                if ((isset($row['store_id']) && $row['store_id'] !== null)) {
                    $catalog_link = $catalog_url . 'index.php?route=product/manufacturer/info&manufacturer_id=' . (int)$row['id'];
                    $catalog_link_html = ' <a href="' . $catalog_link . '" target="_blank"><i class="fa fa-external-link text-muted"></i></a>';
                }
                $search_links = $this->getSearchLinks($row['name']);
                $rows[] = array(
                    'id' => 'manufacturer-' . (int)$row['id'],
                    'preview' => '<i class="fa fa-exclamation-triangle text-danger" style="font-size:20px;"></i>',
                    'name' => '<span class="label label-warning">Manufacturer</span> <a href="' . $admin_link . '" target="_blank">' . htmlspecialchars($row['name'], ENT_QUOTES, 'UTF-8') . '</a>' . $catalog_link_html . $search_links,
                    'before' => '<b>' . $this->language->get('text_grid_missing_file') . '</b>: ' . htmlspecialchars($image_path, ENT_QUOTES, 'UTF-8'),
                    'after' => $this->language->get('text_grid_broken_db_after'),
                    'actions' => array(
                        'clear' => $this->language->get('text_action_clear'),
                        'placeholder' => $this->language->get('text_action_placeholder'),
                        'ignore' => $this->language->get('text_action_ignore')
                    ),
                    'selected_action' => 'clear'
                );
            }
        }

        file_put_contents(DIR_CACHE . 'img_opti_broken_db_grid.json', json_encode($rows));

        return $this->paginateScanResult($rows, $data, array(
            $this->language->get('text_th_preview'),
            $this->language->get('text_th_entity'),
            $this->language->get('text_th_before'),
            $this->language->get('text_th_after'),
            $this->language->get('text_th_action')
        ), array(
            'backup_available' => true,
            'quarantine_available' => false,
            'description' => $this->language->get('text_description_broken')
        ));
    }

    public function fix_broken_db($data) {
        $this->backupCatalogTables('broken');
        $selected = isset($data['selected']) ? (array)$data['selected'] : array();
        $fix_all = isset($data['fix_all']) ? (int)$data['fix_all'] : 0;
        
        if ($fix_all === 1 || empty($selected)) {
            $grid = json_decode(file_get_contents(DIR_CACHE . 'img_opti_broken_db_grid.json'), true);
            foreach ($grid as $row) {
                $selected[$row['id']] = $row['selected_action'];
            }
        }

        $ph_product = (string)$this->config->get('module_img_opti_ph_product');
        $ph_category = (string)$this->config->get('module_img_opti_ph_category');
        $ph_brand = (string)$this->config->get('module_img_opti_ph_brand');

        $processed = 0;
        foreach ($selected as $row_id => $act) {
            if ($act === 'ignore') continue;
            $parts = explode('-', (string)$row_id, 2);
            if (count($parts) !== 2) continue;
            $type = preg_replace('/[^a-zA-Z_]/', '', $parts[0]);
            $id = (int)$parts[1];

            if ($act === 'clear') {
                if ($type === 'product_main') {
                    $this->db->query("UPDATE `" . DB_PREFIX . "product` SET image = '' WHERE product_id = '" . $id . "'");
                } elseif ($type === 'product_additional') {
                    $this->db->query("DELETE FROM `" . DB_PREFIX . "product_image` WHERE product_image_id = '" . $id . "'");
                } elseif ($type === 'category') {
                    $this->db->query("UPDATE `" . DB_PREFIX . "category` SET image = '' WHERE category_id = '" . $id . "'");
                } elseif ($type === 'manufacturer') {
                    $this->db->query("UPDATE `" . DB_PREFIX . "manufacturer` SET image = '' WHERE manufacturer_id = '" . $id . "'");
                }
            } elseif ($act === 'disable') {
                if ($type === 'product_main') {
                    $this->db->query("UPDATE `" . DB_PREFIX . "product` SET status = '0' WHERE product_id = '" . $id . "'");
                } elseif ($type === 'category') {
                    $this->db->query("UPDATE `" . DB_PREFIX . "category` SET status = '0' WHERE category_id = '" . $id . "'");
                }
            } elseif ($act === 'stock') {
                if ($type === 'product_main') {
                    $this->db->query("UPDATE `" . DB_PREFIX . "product` SET quantity = '0' WHERE product_id = '" . $id . "'");
                }
            } elseif ($act === 'placeholder') {
                if ($type === 'product_main') {
                    $this->db->query("UPDATE `" . DB_PREFIX . "product` SET image = '" . $this->db->escape($ph_product) . "' WHERE product_id = '" . $id . "'");
                } elseif ($type === 'product_additional') {
                    $this->db->query("UPDATE `" . DB_PREFIX . "product_image` SET image = '" . $this->db->escape($ph_product) . "' WHERE product_image_id = '" . $id . "'");
                } elseif ($type === 'category') {
                    $this->db->query("UPDATE `" . DB_PREFIX . "category` SET image = '" . $this->db->escape($ph_category) . "' WHERE category_id = '" . $id . "'");
                } elseif ($type === 'manufacturer') {
                    $this->db->query("UPDATE `" . DB_PREFIX . "manufacturer` SET image = '" . $this->db->escape($ph_brand) . "' WHERE manufacturer_id = '" . $id . "'");
                }
            }
            $processed++;
        }
        @unlink(DIR_CACHE . 'img_opti_broken_db_grid.json');
        return $this->formatFixResult($processed, count($selected));
    }

    public function scan_broken_files($data = array()) {
        $this->loadLanguageSafe();
        $rows = array();
        $dir = realpath(DIR_IMAGE . 'catalog');
        $realImageDir = realpath(DIR_IMAGE);
        if (!$dir || strpos(str_replace('\\', '/', $dir), str_replace('\\', '/', $realImageDir)) !== 0 || !is_dir($dir)) {
            return array('error' => $this->language->get('text_err_dir'));
        }

        $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS));
        $this->load->model('tool/image');

        foreach ($iterator as $file) {
            if ($file->isFile()) {
                $ext = strtolower($file->getExtension());
                if (in_array($ext, array('jpg', 'jpeg', 'png', 'webp', 'gif'))) {
                    $realPath = realpath($file->getPathname());
                    if (!$realPath || strpos(str_replace('\\', '/', $realPath), str_replace('\\', '/', $dir)) !== 0) continue;
                    
                    $size = filesize($realPath);
                    $is_broken = false;
                    
                    if ($size === 0) {
                        $is_broken = true;
                    } elseif ($size > 52428800) {
                        $is_broken = false;
                    } else {
                        if (extension_loaded('imagick')) {
                            try {
                                $img = new Imagick($realPath);
                                $img->clear(); $img->destroy();
                            } catch (Exception $e) {
                                $is_broken = true;
                            }
                        } else {
                            $img = @imagecreatefromstring(@file_get_contents($realPath, false, null, 0, 52428800));
                            if (!$img) {
                                $is_broken = true;
                            } else {
                                imagedestroy($img);
                            }
                        }
                    }

                    if ($is_broken) {
                        $relPath = $this->getRelativeImagePath($realPath);
                        $entities = $this->getEntitiesByImagePath($relPath);
                        $entities_html = !empty($entities) ? implode('<br>', $entities) : '<i>' . $this->language->get('text_no_relations') . '</i>';
                        
                        $rows[] = array(
                            'id' => 'broken_file-' . md5($relPath),
                            'preview' => '<i class="fa fa-file-image-o text-danger" style="font-size:24px;"></i>',
                            'name' => '<b>' . htmlspecialchars($relPath, ENT_QUOTES, 'UTF-8') . '</b><br>' . $entities_html,
                            'before' => $this->language->get('text_grid_broken_file') . ' (' . $this->formatBytes($size) . ')',
                            'after' => $this->language->get('text_grid_broken_file_after'),
                            'actions' => array(
                                'delete' => $this->language->get('text_action_delete'),
                                'placeholder' => $this->language->get('text_action_placeholder'),
                                'ignore' => $this->language->get('text_action_ignore')
                            ),
                            'selected_action' => 'delete',
                            'meta' => array(
                                'path' => $relPath
                            )
                        );
                    }
                }
            }
        }

        file_put_contents(DIR_CACHE . 'img_opti_broken_files_grid.json', json_encode($rows));

        return $this->paginateScanResult($rows, $data, array(
            $this->language->get('text_th_preview'),
            $this->language->get('text_th_entity'),
            $this->language->get('text_th_before'),
            $this->language->get('text_th_after'),
            $this->language->get('text_th_action')
        ), array(
            'backup_available' => false,
            'quarantine_available' => true,
            'description' => $this->language->get('text_description_broken_files')
        ));
    }

    public function fix_broken_files($data) {
        $selected = isset($data['selected']) ? (array)$data['selected'] : array();
        $fix_all = isset($data['fix_all']) ? (int)$data['fix_all'] : 0;

        $grid = json_decode(file_get_contents(DIR_CACHE . 'img_opti_broken_files_grid.json'), true);
        $rows_map = array();
        foreach ($grid as $row) {
            $rows_map[$row['id']] = $row;
            if ($fix_all === 1 || empty($selected)) {
                $selected[$row['id']] = $row['selected_action'];
            }
        }

        $ph_product_path = DIR_IMAGE . (string)$this->config->get('module_img_opti_ph_product');
        if (!is_file($ph_product_path)) {
            $ph_product_path = DIR_IMAGE . 'no_image.png';
        }

        foreach ($selected as $row_id => $act) {
            if ($act === 'ignore' || !isset($rows_map[$row_id])) continue;
            $row = $rows_map[$row_id];
            $relPath = $row['meta']['path'];
            $fullPath = DIR_IMAGE . $relPath;

            if ($act === 'delete') {
                $this->quarantineFile($relPath, 'broken_files');
            } elseif ($act === 'placeholder') {
                $this->quarantineFile($relPath, 'broken_files');
                if (is_file($ph_product_path)) {
                    @copy($ph_product_path, $fullPath);
                }
            }
        }
        @unlink(DIR_CACHE . 'img_opti_broken_files_grid.json');
        return array('success' => true);
    }

    public function scan_duplicates($data) {
        $this->loadLanguageSafe();
        $rows = array();
        $dir = realpath(DIR_IMAGE . 'catalog');
        $realImageDir = realpath(DIR_IMAGE);
        if (!$dir || strpos(str_replace('\\', '/', $dir), str_replace('\\', '/', $realImageDir)) !== 0 || !is_dir($dir)) {
            return array('error' => $this->language->get('text_err_dir'));
        }

        $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS));
        $hashes = array();
        foreach ($iterator as $file) {
            if ($file->isFile()) {
                $ext = strtolower($file->getExtension());
                if (in_array($ext, array('jpg', 'jpeg', 'png', 'webp', 'gif', 'svg'))) {
                    $realPath = realpath($file->getPathname());
                    if ($realPath && strpos(str_replace('\\', '/', $realPath), str_replace('\\', '/', $dir)) === 0) {
                        $hash = md5_file($realPath);
                        $relPath = $this->getRelativeImagePath($realPath);
                        if (!isset($hashes[$hash])) {
                            $hashes[$hash] = array();
                        }
                        $hashes[$hash][] = $relPath;
                    }
                }
            }
        }

        $this->load->model('tool/image');

        foreach ($hashes as $hash => $files) {
            if (count($files) > 1) {
                $original = array_shift($files);
                $original_size = filesize(DIR_IMAGE . $original);
                
                $orig_ext = strtolower($this->mb_pathinfo($original, PATHINFO_EXTENSION));
                if ($orig_ext === 'svg') {
                    $thumb_orig = '../image/' . $original;
                } else {
                    $thumb_orig = $this->model_tool_image->resize($original, 100, 100);
                }

                foreach ($files as $duplicate) {
                    $dupe_ext = strtolower($this->mb_pathinfo($duplicate, PATHINFO_EXTENSION));
                    if ($dupe_ext === 'svg') {
                        $thumb_dupe = '../image/' . $duplicate;
                    } else {
                        $thumb_dupe = $this->model_tool_image->resize($duplicate, 100, 100);
                    }
                    
                    $entities = $this->getEntitiesByImagePath($duplicate);
                    $entities_html = !empty($entities) ? implode('<br>', $entities) : '<i>' . $this->language->get('text_no_relations') . '</i>';
                    
                    $preview_html = '<div style="display: flex; gap: 8px; justify-content: center; align-items: flex-start;">';
                    $preview_html .= '  <div style="text-align: center;">';
                    $preview_html .= '    <img src="' . $thumb_orig . '" class="img-thumbnail" style="max-width:80px; max-height:80px;" onerror="this.style.display=\'none\'; $(this).after(\'<span class=\&quot;fa fa-file-image-o\&quot; style=\&quot;font-size:32px;color:#ccc;\&quot;></span>\'); this.onerror=null;"><br>';
                    $preview_html .= '    <span class="label label-success" style="font-size: 9px; display: inline-block; margin-top: 4px;">' . $this->language->get('text_dupe_original_label') . '</span>';
                    $preview_html .= '  </div>';
                    $preview_html .= '  <div style="text-align: center; border-left: 1px solid #ddd; padding-left: 8px;">';
                    $preview_html .= '    <img src="' . $thumb_dupe . '" class="img-thumbnail" style="max-width:80px; max-height:80px;" onerror="this.style.display=\'none\'; $(this).after(\'<span class=\&quot;fa fa-file-image-o\&quot; style=\&quot;font-size:32px;color:#ccc;\&quot;></span>\'); this.onerror=null;"><br>';
                    $preview_html .= '    <span class="label label-danger" style="font-size: 9px; display: inline-block; margin-top: 4px;">' . $this->language->get('text_dupe_duplicate_label') . '</span>';
                    $preview_html .= '  </div>';
                    $preview_html .= '</div>';
                    
                    $name_html = '<strong>Duplicate path:</strong><br><span class="text-muted" style="word-break:break-all;">' . htmlspecialchars($duplicate, ENT_QUOTES, 'UTF-8') . '</span><br>';
                    $name_html .= '<strong>Relations:</strong><br>' . $entities_html;
                    
                    $rows[] = array(
                        'id' => 'duplicate-' . md5($duplicate),
                        'preview' => $preview_html,
                        'name' => $name_html,
                        'before' => '<span class="label label-danger">' . $this->language->get('text_grid_dupe_before') . '</span><br><small style="word-break: break-all; display: inline-block; margin-top: 4px;">' . htmlspecialchars($duplicate, ENT_QUOTES, 'UTF-8') . '</small><br><small>' . $this->formatBytes($original_size) . '</small>',
                        'after' => '<span class="label label-success"><i class="fa fa-check-circle"></i> ' . $this->language->get('text_grid_dupe_after') . '</span><br><small style="word-break: break-all; display: inline-block; margin-top: 4px;">' . htmlspecialchars($original, ENT_QUOTES, 'UTF-8') . '</small><br><small>' . $this->formatBytes($original_size) . '</small>',
                        'actions' => array(
                            'merge' => $this->language->get('text_action_merge'),
                            'ignore' => $this->language->get('text_action_ignore')
                        ),
                        'selected_action' => 'merge',
                        'meta' => array(
                            'original' => $original,
                            'duplicate' => $duplicate
                        )
                    );
                }
            }
        }

        file_put_contents(DIR_CACHE . 'img_opti_duplicates_grid.json', json_encode($rows));

        return array(
            'success' => true,
            'headers' => array(
                $this->language->get('text_th_preview'),
                $this->language->get('text_th_entity'),
                $this->language->get('text_th_dupe_delete'),
                $this->language->get('text_th_dupe_keep'),
                $this->language->get('text_th_action')
            ),
            'rows' => $rows,
            'backup_available' => true,
            'quarantine_available' => true,
            'description' => $this->language->get('text_description_duplicates')
        );
    }

    public function fix_duplicates($data) {
        $this->backupCatalogTables('duplicates');
        $selected = isset($data['selected']) ? (array)$data['selected'] : array();
        $fix_all = isset($data['fix_all']) ? (int)$data['fix_all'] : 0;

        $grid = json_decode(file_get_contents(DIR_CACHE . 'img_opti_duplicates_grid.json'), true);
        $rows_map = array();
        foreach ($grid as $row) {
            $rows_map[$row['id']] = $row;
            if ($fix_all === 1 || empty($selected)) {
                $selected[$row['id']] = $row['selected_action'];
            }
        }

        foreach ($selected as $row_id => $act) {
            if ($act !== 'merge' || !isset($rows_map[$row_id])) continue;
            $row = $rows_map[$row_id];
            $orig = $this->db->escape($row['meta']['original']);
            $fake = $this->db->escape($row['meta']['duplicate']);

            $this->db->query("UPDATE `" . DB_PREFIX . "product` SET image = '" . $orig . "' WHERE image = '" . $fake . "'");
            $this->db->query("UPDATE `" . DB_PREFIX . "product_image` SET image = '" . $orig . "' WHERE image = '" . $fake . "'");
            $this->db->query("UPDATE `" . DB_PREFIX . "category` SET image = '" . $orig . "' WHERE image = '" . $fake . "'");
            $this->db->query("UPDATE `" . DB_PREFIX . "manufacturer` SET image = '" . $orig . "' WHERE image = '" . $fake . "'");

            $table_query = $this->db->query("SHOW TABLES LIKE '" . DB_PREFIX . "banner_image'");
            if ($table_query->num_rows) {
                $this->db->query("UPDATE `" . DB_PREFIX . "banner_image` SET image = '" . $orig . "' WHERE image = '" . $fake . "'");
            }

            $blog_tables = array(
                'oct_blog_article' => 'image',
                'simple_blog_article' => 'image',
                'newsblog_article' => 'image',
                'information' => 'image'
            );
            foreach ($blog_tables as $table => $column) {
                $table_query = $this->db->query("SHOW TABLES LIKE '" . DB_PREFIX . $table . "'");
                if ($table_query->num_rows) {
                    $column_query = $this->db->query("SHOW COLUMNS FROM `" . DB_PREFIX . $table . "` LIKE '" . $column . "'");
                    if ($column_query->num_rows) {
                        try {
                            $this->db->query("UPDATE `" . DB_PREFIX . $table . "` SET `" . $column . "` = '" . $orig . "' WHERE `" . $column . "` = '" . $fake . "'");
                        } catch (Exception $e) {}
                    }
                }
            }

            $this->quarantineFile($row['meta']['duplicate'], 'duplicates');
        }
        @unlink(DIR_CACHE . 'img_opti_duplicates_grid.json');
        return array('success' => true);
    }

    public function scan_png_jpg($data) {
        $this->loadLanguageSafe();
        $rows = array();
        $dir = realpath(DIR_IMAGE . 'catalog');
        $realImageDir = realpath(DIR_IMAGE);
        if (!$dir || strpos(str_replace('\\', '/', $dir), str_replace('\\', '/', $realImageDir)) !== 0 || !is_dir($dir)) {
            return array('error' => $this->language->get('text_err_dir'));
        }

        $limit = isset($data['module_img_opti_png_jpg_limit']) ? (int)$data['module_img_opti_png_jpg_limit'] : 100;
        if ($limit <= 0) $limit = 100;

        $min_size = isset($data['module_img_opti_png_jpg_min_size']) ? (int)$data['module_img_opti_png_jpg_min_size'] : 500;
        if ($min_size < 0) $min_size = 500;
        $min_size_bytes = $min_size * 1024;

        $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS));
        $this->load->model('tool/image');

        foreach ($iterator as $file) {
            if ($file->isFile() && strtolower($file->getExtension()) === 'png') {
                $realPath = realpath($file->getPathname());
                if ($realPath && strpos(str_replace('\\', '/', $realPath), str_replace('\\', '/', $dir)) === 0) {
                    $size = filesize($realPath);
                    if ($size < $min_size_bytes) continue;

                    $w = 0;
                    $h = 0;
                    $imgSize = @getimagesize($realPath);
                    if ($imgSize) {
                        $w = $imgSize[0];
                        $h = $imgSize[1];
                    }
                    $is_alpha = false;
                    if (extension_loaded('imagick')) {
                        try {
                            $img = new Imagick($realPath);
                            if ($img->getImageAlphaChannel()) {
                                $is_alpha = true;
                            }
                            $img->clear(); $img->destroy();
                        } catch (Exception $e) {}
                    } else {
                        $img = @imagecreatefrompng($realPath);
                        if ($img) {
                            $w_gd = imagesx($img);
                            $h_gd = imagesy($img);
                            for($x = 0; $x < $w_gd; $x++) {
                                for($y = 0; $y < $h_gd; $y++) {
                                    $rgba = imagecolorat($img, $x, $y);
                                    $alpha = ($rgba & 0x7F000000) >> 24;
                                    if($alpha > 0) {
                                        $is_alpha = true;
                                        break 2;
                                    }
                                }
                            }
                            imagedestroy($img);
                        }
                    }

                    if (!$is_alpha) {
                        $relPath = $this->getRelativeImagePath($realPath);
                        $thumb = $this->model_tool_image->resize($relPath, 100, 100);
                        $entities = $this->getEntitiesByImagePath($relPath);
                        $entities_html = !empty($entities) ? implode('<br>', $entities) : '<i>' . $this->language->get('text_no_relations') . '</i>';
                        $rows[] = array(
                            'id' => 'png_jpg-' . md5($relPath),
                            'preview' => '<img src="' . $thumb . '" class="img-thumbnail" style="max-width:100px; max-height:100px;">',
                            'name' => '<b>' . htmlspecialchars($relPath, ENT_QUOTES, 'UTF-8') . '</b><br>' . $entities_html,
                            'before' => 'PNG: ' . $this->formatBytes($size),
                            'after' => 'JPG: ~' . $this->formatBytes(round($size * 0.3)),
                            'actions' => array(
                                'convert' => $this->language->get('text_action_convert'),
                                'ignore' => $this->language->get('text_action_ignore')
                            ),
                            'selected_action' => 'convert',
                            'meta' => array(
                                'path' => $relPath,
                                'width' => $w,
                                'height' => $h
                            )
                        );
                        if (count($rows) >= $limit) {
                            break;
                        }
                    }
                }
            }
        }

        file_put_contents(DIR_CACHE . 'img_opti_png_jpg_grid.json', json_encode($rows));

        return array(
            'success' => true,
            'headers' => array(
                $this->language->get('text_th_preview'),
                $this->language->get('text_th_entity'),
                $this->language->get('text_th_before'),
                $this->language->get('text_th_after'),
                $this->language->get('text_th_action')
            ),
            'rows' => $rows,
            'backup_available' => true,
            'quarantine_available' => true,
            'description' => $this->language->get('text_description_png_jpg')
        );
    }

    public function fix_png_jpg($data) {
        $this->backupCatalogTables('png_jpg');
        $selected = isset($data['selected']) ? (array)$data['selected'] : array();
        $fix_all = isset($data['fix_all']) ? (int)$data['fix_all'] : 0;

        $grid = json_decode(file_get_contents(DIR_CACHE . 'img_opti_png_jpg_grid.json'), true);
        $rows_map = array();
        foreach ($grid as $row) {
            $rows_map[$row['id']] = $row;
            if ($fix_all === 1 || empty($selected)) {
                $selected[$row['id']] = $row['selected_action'];
            }
        }

        $realImageDir = realpath(DIR_IMAGE);

        foreach ($selected as $row_id => $act) {
            if ($act !== 'convert' || !isset($rows_map[$row_id])) continue;
            $row = $rows_map[$row_id];
            $pngClean = str_replace(array('../', '..\\', "\0"), '', (string)$row['meta']['path']);
            $fullPath = realpath(DIR_IMAGE . $pngClean);
            if (!$fullPath || strpos(str_replace('\\', '/', $fullPath), str_replace('\\', '/', $realImageDir)) !== 0 || !is_file($fullPath)) continue;

            $jpgPathStr = preg_replace('/\.png$/i', '.jpg', DIR_IMAGE . $pngClean);
            $jpgDir = realpath($this->mb_dirname($jpgPathStr));
            if (!$jpgDir || strpos(str_replace('\\', '/', $jpgDir), str_replace('\\', '/', $realImageDir)) !== 0) continue;
            $relJpg = ltrim(str_replace(str_replace('\\', '/', $realImageDir), '', str_replace('\\', '/', $jpgPathStr)), '/');

            if ($this->convertPngToJpgClean($fullPath, $jpgPathStr, 85)) {
                $dbOld = $this->db->escape($pngClean);
                $dbNew = $this->db->escape($relJpg);
                $this->db->query("UPDATE `" . DB_PREFIX . "product` SET image = '" . $dbNew . "' WHERE image = '" . $dbOld . "'");
                $this->db->query("UPDATE `" . DB_PREFIX . "product_image` SET image = '" . $dbNew . "' WHERE image = '" . $dbOld . "'");
                $this->db->query("UPDATE `" . DB_PREFIX . "category` SET image = '" . $dbNew . "' WHERE image = '" . $dbOld . "'");
                $this->db->query("UPDATE `" . DB_PREFIX . "manufacturer` SET image = '" . $dbNew . "' WHERE image = '" . $dbOld . "'");
                $this->quarantineFile($pngClean, 'png_jpg');
            }
        }
        @unlink(DIR_CACHE . 'img_opti_png_jpg_grid.json');
        return array('success' => true);
    }

    public function scan_translit($data) {
        $this->loadLanguageSafe();
        $rows = array();
        $dir = realpath(DIR_IMAGE . 'catalog');
        $realImageDir = realpath(DIR_IMAGE);
        if (!$dir || strpos(str_replace('\\', '/', $dir), str_replace('\\', '/', $realImageDir)) !== 0 || !is_dir($dir)) {
            return array('error' => $this->language->get('text_err_dir'));
        }

        $limit = isset($data['module_img_opti_translit_limit']) ? (int)$data['module_img_opti_translit_limit'] : 100;
        if ($limit <= 0) $limit = 100;

        $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS));
        $this->load->model('tool/image');

        $assigned_paths = array();
        foreach ($iterator as $file) {
            if ($file->isFile()) {
                $realPath = realpath($file->getPathname());
                if ($realPath && strpos(str_replace('\\', '/', $realPath), str_replace('\\', '/', $dir)) === 0) {
                    $relPath = $this->getRelativeImagePath($realPath);
                    $filename = $this->mb_basename($relPath);
                    if (preg_match('/[^a-zA-Z0-9_\\-\\.]/', $filename)) {
                        $dirPart = $this->mb_dirname($relPath);
                        $ext = $this->mb_pathinfo($filename, PATHINFO_EXTENSION);
                        $nameOnly = $this->mb_pathinfo($filename, PATHINFO_FILENAME);
                        $cleanName = $this->transliterate($nameOnly) . '.' . $ext;
                        $proposedRel = ($dirPart === '.' ? '' : $dirPart . '/') . $cleanName;

                        if ($relPath !== $proposedRel) {
                            $proposedFullPath = DIR_IMAGE . $proposedRel;
                            if (file_exists($proposedFullPath) || isset($assigned_paths[$proposedRel]) || $this->isPathUsedInDb($proposedRel)) {
                                $transName = $this->transliterate($nameOnly);
                                $counter = 1;
                                while (true) {
                                    $candidate = ($dirPart === '.' ? '' : $dirPart . '/') . $transName . '_' . $counter . ($ext !== '' ? '.' . $ext : '');
                                    if (!file_exists(DIR_IMAGE . $candidate) && !isset($assigned_paths[$candidate]) && !$this->isPathUsedInDb($candidate)) {
                                        $proposedRel = $candidate;
                                        break;
                                    }
                                    $counter++;
                                }
                            }
                            
                            $assigned_paths[$proposedRel] = true;
                            
                            $thumb = $this->model_tool_image->resize($relPath, 100, 100);
                            $entities = $this->getEntitiesByImagePath($relPath);
                            $entities_html = !empty($entities) ? implode('<br>', $entities) : '<i>' . $this->language->get('text_no_relations') . '</i>';

                            $rows[] = array(
                                'id' => 'translit-' . md5($relPath),
                                'preview' => '<img src="' . $thumb . '" class="img-thumbnail" style="max-width:100px; max-height:100px;">',
                                'name' => '<b>' . htmlspecialchars($relPath, ENT_QUOTES, 'UTF-8') . '</b><br>' . $entities_html,
                                'before' => $filename,
                                'after' => $this->mb_basename($proposedRel),
                                'actions' => array(
                                    'rename' => $this->language->get('text_action_rename'),
                                    'ignore' => $this->language->get('text_action_ignore')
                                ),
                                'selected_action' => 'rename',
                                'meta' => array(
                                    'path' => $relPath,
                                    'new_path' => $proposedRel
                                )
                            );
                            
                            if (count($rows) >= $limit) {
                                break;
                            }
                        }
                    }
                }
            }
        }

        file_put_contents(DIR_CACHE . 'img_opti_translit_grid.json', json_encode($rows));

        return array(
            'success' => true,
            'headers' => array(
                $this->language->get('text_th_preview'),
                $this->language->get('text_th_entity'),
                $this->language->get('text_th_before'),
                $this->language->get('text_th_after'),
                $this->language->get('text_th_action')
            ),
            'rows' => $rows,
            'backup_available' => true,
            'quarantine_available' => true,
            'description' => $this->language->get('text_description_translit')
        );
    }

    public function fix_translit($data) {
        $this->backupCatalogTables('translit');
        $selected = isset($data['selected']) ? (array)$data['selected'] : array();
        $fix_all = isset($data['fix_all']) ? (int)$data['fix_all'] : 0;

        $grid = json_decode(file_get_contents(DIR_CACHE . 'img_opti_translit_grid.json'), true);
        $rows_map = array();
        foreach ($grid as $row) {
            $rows_map[$row['id']] = $row;
            if ($fix_all === 1 || empty($selected)) {
                $selected[$row['id']] = $row['selected_action'];
            }
        }

        $realImageDir = realpath(DIR_IMAGE);

        foreach ($selected as $row_id => $act) {
            if ($act !== 'rename' || !isset($rows_map[$row_id])) continue;
            $row = $rows_map[$row_id];
            $cleanBadFile = str_replace(array('../', '..\\', "\0"), '', (string)$row['meta']['path']);
            $fullPath = realpath(DIR_IMAGE . $cleanBadFile);
            if (!$fullPath || strpos(str_replace('\\', '/', $fullPath), str_replace('\\', '/', $realImageDir)) !== 0 || !is_file($fullPath)) continue;

            $newRel = (string)$row['meta']['new_path'];
            $newFullPathStr = DIR_IMAGE . $newRel;
            $newDirStr = $this->mb_dirname($newFullPathStr);
            if (!is_dir($newDirStr)) {
                @mkdir($newDirStr, 0755, true);
            }
            $realNewDir = realpath($newDirStr);
            if (!$realNewDir || strpos(str_replace('\\', '/', $realNewDir), str_replace('\\', '/', $realImageDir)) !== 0) continue;
            $newFullPath = $realNewDir . DIRECTORY_SEPARATOR . $this->mb_basename($newFullPathStr);

            if (@copy($fullPath, $newFullPath)) {
                $dbOld = $this->db->escape($cleanBadFile);
                $dbNew = $this->db->escape($newRel);
                
                $this->db->query("UPDATE `" . DB_PREFIX . "product` SET image = '" . $dbNew . "' WHERE image = '" . $dbOld . "'");
                $this->db->query("UPDATE `" . DB_PREFIX . "product_image` SET image = '" . $dbNew . "' WHERE image = '" . $dbOld . "'");
                $this->db->query("UPDATE `" . DB_PREFIX . "category` SET image = '" . $dbNew . "' WHERE image = '" . $dbOld . "'");
                $this->db->query("UPDATE `" . DB_PREFIX . "manufacturer` SET image = '" . $dbNew . "' WHERE image = '" . $dbOld . "'");
                
                $table_query = $this->db->query("SHOW TABLES LIKE '" . DB_PREFIX . "banner_image'");
                if ($table_query->num_rows) {
                    $this->db->query("UPDATE `" . DB_PREFIX . "banner_image` SET image = '" . $dbNew . "' WHERE image = '" . $dbOld . "'");
                }
                
                $blog_tables = array(
                    'oct_blog_article' => 'image',
                    'simple_blog_article' => 'image',
                    'newsblog_article' => 'image',
                    'information' => 'image'
                );
                foreach ($blog_tables as $table => $column) {
                    $table_query = $this->db->query("SHOW TABLES LIKE '" . DB_PREFIX . $table . "'");
                    if ($table_query->num_rows) {
                        $column_query = $this->db->query("SHOW COLUMNS FROM `" . DB_PREFIX . $table . "` LIKE '" . $column . "'");
                        if ($column_query->num_rows) {
                            try {
                                $this->db->query("UPDATE `" . DB_PREFIX . $table . "` SET `" . $column . "` = '" . $dbNew . "' WHERE `" . $column . "` = '" . $dbOld . "'");
                            } catch (Exception $e) {}
                        }
                    }
                }
                
                $this->quarantineFile($cleanBadFile, 'translit');
            }
        }
        @unlink(DIR_CACHE . 'img_opti_translit_grid.json');
        return array('success' => true);
    }

    public function scan_empty_folders($data) {
        $this->loadLanguageSafe();
        $rows = array();
        $dir = realpath(DIR_IMAGE . 'catalog');
        $realImageDir = realpath(DIR_IMAGE);
        if (!$dir || strpos(str_replace('\\', '/', $dir), str_replace('\\', '/', $realImageDir)) !== 0 || !is_dir($dir)) {
            return array('error' => $this->language->get('text_err_dir'));
        }

        $iterator = new RecursiveIteratorIterator(
            new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS),
            RecursiveIteratorIterator::CHILD_FIRST
        );

        foreach ($iterator as $path) {
            if ($path->isDir()) {
                $realPath = realpath($path->getPathname());
                if ($realPath && strpos(str_replace('\\', '/', $realPath), str_replace('\\', '/', $dir)) === 0) {
                    $files = array_diff(scandir($realPath), array('.', '..'));
                    if (count($files) === 0) {
                        $relPath = str_replace(str_replace('\\', '/', DIR_IMAGE), '', str_replace('\\', '/', $realPath));
                        $rows[] = array(
                            'id' => 'empty_folder-' . md5($relPath),
                            'preview' => '<i class="fa fa-folder-open-o text-muted" style="font-size:24px;"></i>',
                            'name' => '<b>' . htmlspecialchars($relPath, ENT_QUOTES, 'UTF-8') . '</b>',
                            'before' => $this->language->get('text_grid_empty_folder'),
                            'after' => $this->language->get('text_grid_empty_folder_after'),
                            'actions' => array(
                                'delete' => $this->language->get('text_action_delete'),
                                'ignore' => $this->language->get('text_action_ignore')
                            ),
                            'selected_action' => 'delete',
                            'meta' => array(
                                'path' => $relPath
                            )
                        );
                    }
                }
            }
        }

        file_put_contents(DIR_CACHE . 'img_opti_empty_folders_grid.json', json_encode($rows));

        return array(
            'success' => true,
            'headers' => array(
                $this->language->get('text_th_preview'),
                $this->language->get('text_th_entity'),
                $this->language->get('text_th_before'),
                $this->language->get('text_th_after'),
                $this->language->get('text_th_action')
            ),
            'rows' => $rows,
            'backup_available' => false,
            'quarantine_available' => false,
            'description' => $this->language->get('text_description_empty_folders')
        );
    }

    public function fix_empty_folders($data) {
        $selected = isset($data['selected']) ? (array)$data['selected'] : array();
        $fix_all = isset($data['fix_all']) ? (int)$data['fix_all'] : 0;

        $grid = json_decode(file_get_contents(DIR_CACHE . 'img_opti_empty_folders_grid.json'), true);
        $rows_map = array();
        foreach ($grid as $row) {
            $rows_map[$row['id']] = $row;
            if ($fix_all === 1 || empty($selected)) {
                $selected[$row['id']] = $row['selected_action'];
            }
        }

        $realImageDir = realpath(DIR_IMAGE);

        foreach ($selected as $row_id => $act) {
            if ($act !== 'delete' || !isset($rows_map[$row_id])) continue;
            $row = $rows_map[$row_id];
            $cleanPath = str_replace(array('../', '..\\', "\0"), '', (string)$row['meta']['path']);
            $fullPath = realpath(DIR_IMAGE . $cleanPath);
            if ($fullPath && strpos(str_replace('\\', '/', $fullPath), $realImageDir) === 0 && is_dir($fullPath)) {
                $files = array_diff(scandir($fullPath), array('.', '..'));
                if (count($files) === 0) {
                    @rmdir($fullPath);
                }
            }
        }
        @unlink(DIR_CACHE . 'img_opti_empty_folders_grid.json');
        return array('success' => true);
    }

    public function scan_smart_cache($data) {
        $this->loadLanguageSafe();
        $rows = array();
        $cache_dir = realpath(DIR_IMAGE . 'cache/catalog');
        $realImageDir = realpath(DIR_IMAGE);
        if (!$cache_dir || strpos(str_replace('\\', '/', $cache_dir), str_replace('\\', '/', $realImageDir)) !== 0 || !is_dir($cache_dir)) {
            return array('error' => $this->language->get('text_err_dir'));
        }

        $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($cache_dir, RecursiveDirectoryIterator::SKIP_DOTS));
        $this->load->model('tool/image');

        foreach ($iterator as $file) {
            if ($file->isFile()) {
                $realPath = realpath($file->getPathname());
                if (!$realPath || strpos(str_replace('\\', '/', $realPath), str_replace('\\', '/', $cache_dir)) !== 0) continue;
                $rel_cache = ltrim(str_replace(str_replace('\\', '/', DIR_IMAGE . 'cache/'), '', str_replace('\\', '/', $realPath)), '/');
                $orig_rel = preg_replace('/-\d+x\d+\.(jpg|jpeg|png|webp|gif)$/i', '.$1', $rel_cache);
                $orig_path = realpath(DIR_IMAGE . $orig_rel);
                
                if (!$orig_path || !is_file($orig_path) || strpos(str_replace('\\', '/', $orig_path), str_replace('\\', '/', $realImageDir)) !== 0) {
                    $thumb = (defined('HTTPS_CATALOG') && HTTPS_CATALOG ? HTTPS_CATALOG : (defined('HTTP_CATALOG') ? HTTP_CATALOG : '')) . 'image/cache/' . $rel_cache;
                    $size = filesize($realPath);
                    
                    $rows[] = array(
                        'id' => 'smart_cache-' . md5($rel_cache),
                        'preview' => '<img src="' . $thumb . '" class="img-thumbnail" style="max-width:100px; max-height:100px;">',
                        'name' => '<b>' . htmlspecialchars($rel_cache, ENT_QUOTES, 'UTF-8') . '</b>',
                        'before' => $this->language->get('text_grid_orph_cache') . ' (' . $this->formatBytes($size) . ')',
                        'after' => $this->language->get('text_grid_orph_cache_after'),
                        'actions' => array(
                            'delete' => $this->language->get('text_action_delete'),
                            'ignore' => $this->language->get('text_action_ignore')
                        ),
                        'selected_action' => 'delete',
                        'meta' => array(
                            'path' => $rel_cache
                        )
                    );
                }
            }
        }

        file_put_contents(DIR_CACHE . 'img_opti_smart_cache_grid.json', json_encode($rows));

        return array(
            'success' => true,
            'headers' => array(
                $this->language->get('text_th_preview'),
                $this->language->get('text_th_entity'),
                $this->language->get('text_th_before'),
                $this->language->get('text_th_after'),
                $this->language->get('text_th_action')
            ),
            'rows' => $rows,
            'backup_available' => false,
            'quarantine_available' => true,
            'description' => $this->language->get('text_description_smart_cache')
        );
    }

    public function fix_smart_cache($data) {
        $selected = isset($data['selected']) ? (array)$data['selected'] : array();
        $fix_all = isset($data['fix_all']) ? (int)$data['fix_all'] : 0;

        $grid = json_decode(file_get_contents(DIR_CACHE . 'img_opti_smart_cache_grid.json'), true);
        $rows_map = array();
        foreach ($grid as $row) {
            $rows_map[$row['id']] = $row;
            if ($fix_all === 1 || empty($selected)) {
                $selected[$row['id']] = $row['selected_action'];
            }
        }

        foreach ($selected as $row_id => $act) {
            if ($act !== 'delete' || !isset($rows_map[$row_id])) continue;
            $row = $rows_map[$row_id];
            $this->quarantineFile('cache/' . $row['meta']['path'], 'smart_cache');
        }
        @unlink(DIR_CACHE . 'img_opti_smart_cache_grid.json');
        return array('success' => true);
    }

    public function scan_cache_restore($data) {
        $this->loadLanguageSafe();
        $rows = array();
        $cache_dir = realpath(DIR_IMAGE . 'cache/catalog');
        $realImageDir = realpath(DIR_IMAGE);
        if (!$cache_dir || strpos(str_replace('\\', '/', $cache_dir), str_replace('\\', '/', $realImageDir)) !== 0 || !is_dir($cache_dir)) {
            return array('error' => $this->language->get('text_err_dir'));
        }

        $restore_folder = isset($data['module_img_opti_restore_folder']) ? trim((string)$data['module_img_opti_restore_folder']) : '';
        $restore_products = isset($data['module_img_opti_restore_target_product']) ? (int)$data['module_img_opti_restore_target_product'] : 1;
        $restore_categories = isset($data['module_img_opti_restore_target_category']) ? (int)$data['module_img_opti_restore_target_category'] : 1;
        $restore_brands = isset($data['module_img_opti_restore_target_brand']) ? (int)$data['module_img_opti_restore_target_brand'] : 1;

        $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($cache_dir, RecursiveDirectoryIterator::SKIP_DOTS));
        $this->load->model('tool/image');

        foreach ($iterator as $file) {
            if ($file->isFile()) {
                $realPath = realpath($file->getPathname());
                if (!$realPath || strpos(str_replace('\\', '/', $realPath), str_replace('\\', '/', $cache_dir)) !== 0) continue;
                $rel_cache = ltrim(str_replace(str_replace('\\', '/', DIR_IMAGE . 'cache/'), '', str_replace('\\', '/', $realPath)), '/');
                $orig_rel = preg_replace('/-\d+x\d+\.(jpg|jpeg|png|webp|gif)$/i', '.$1', $rel_cache);
                $orig_path = realpath(DIR_IMAGE . $orig_rel);
                
                if (!$orig_path || !is_file($orig_path)) {
                    if (!empty($restore_folder)) {
                        $clean_restore_folder = str_replace(array('../', '..\\', "\0"), '', $restore_folder);
                        if (strpos($rel_cache, $clean_restore_folder) === false) continue;
                    }

                    $entities = $this->getEntitiesByImagePath($orig_rel);
                    $has_product = false;
                    $has_category = false;
                    $has_brand = false;
                    foreach ($entities as $entity_html) {
                        if (strpos($entity_html, 'Product') !== false) $has_product = true;
                        if (strpos($entity_html, 'Category') !== false) $has_category = true;
                        if (strpos($entity_html, 'Manufacturer') !== false) $has_brand = true;
                    }

                    $is_allowed = false;
                    if (empty($entities)) {
                        $is_allowed = true;
                    } else {
                        if ($has_product && $restore_products) $is_allowed = true;
                        if ($has_category && $restore_categories) $is_allowed = true;
                        if ($has_brand && $restore_brands) $is_allowed = true;
                    }

                    if (!$is_allowed) continue;

                    $thumb = (defined('HTTPS_CATALOG') && HTTPS_CATALOG ? HTTPS_CATALOG : (defined('HTTP_CATALOG') ? HTTP_CATALOG : '')) . 'image/cache/' . $rel_cache;
                    $entities_html = !empty($entities) ? implode('<br>', $entities) : '<i>' . $this->language->get('text_no_relations') . '</i>';
                    
                    $rows[] = array(
                        'id' => 'cache_restore-' . md5($rel_cache),
                        'preview' => '<img src="' . $thumb . '" class="img-thumbnail" style="max-width:100px; max-height:100px;">',
                        'name' => '<b>' . htmlspecialchars($orig_rel, ENT_QUOTES, 'UTF-8') . '</b><br>' . $entities_html,
                        'before' => $this->language->get('text_grid_missing_orig'),
                        'after' => $this->language->get('text_grid_missing_orig_after'),
                        'actions' => array(
                            'restore' => $this->language->get('text_action_restore'),
                            'ignore' => $this->language->get('text_action_ignore')
                        ),
                        'selected_action' => 'restore',
                        'meta' => array(
                            'cache_path' => $rel_cache,
                            'orig_path' => $orig_rel
                        )
                    );
                }
            }
        }

        file_put_contents(DIR_CACHE . 'img_opti_cache_restore_grid.json', json_encode($rows));

        return array(
            'success' => true,
            'headers' => array(
                $this->language->get('text_th_preview'),
                $this->language->get('text_th_entity'),
                $this->language->get('text_th_before'),
                $this->language->get('text_th_after'),
                $this->language->get('text_th_action')
            ),
            'rows' => $rows,
            'backup_available' => false,
            'quarantine_available' => false,
            'description' => $this->language->get('text_description_cache_restore')
        );
    }

    public function fix_cache_restore($data) {
        $selected = isset($data['selected']) ? (array)$data['selected'] : array();
        $fix_all = isset($data['fix_all']) ? (int)$data['fix_all'] : 0;

        $grid = json_decode(file_get_contents(DIR_CACHE . 'img_opti_cache_restore_grid.json'), true);
        $rows_map = array();
        foreach ($grid as $row) {
            $rows_map[$row['id']] = $row;
            if ($fix_all === 1 || empty($selected)) {
                $selected[$row['id']] = $row['selected_action'];
            }
        }

        $realImageDir = realpath(DIR_IMAGE);

        foreach ($selected as $row_id => $act) {
            if ($act !== 'restore' || !isset($rows_map[$row_id])) continue;
            $row = $rows_map[$row_id];
            $cacheFullPath = realpath(DIR_IMAGE . 'cache/' . $row['meta']['cache_path']);
            if (!$cacheFullPath || !is_file($cacheFullPath)) continue;

            $origRel = (string)$row['meta']['orig_path'];
            $destPath = DIR_IMAGE . $origRel;
            if (is_file($destPath)) continue;
            $destDir = $this->mb_dirname($destPath);
            if (!is_dir($destDir)) {
                @mkdir($destDir, 0755, true);
            }
            $realDestDir = realpath($destDir);
            if ($realDestDir && strpos(str_replace('\\', '/', $realDestDir), $realImageDir) === 0) {
                @copy($cacheFullPath, $realDestDir . DIRECTORY_SEPARATOR . $this->mb_basename($origRel));
            }
        }
        @unlink(DIR_CACHE . 'img_opti_cache_restore_grid.json');
        return array('success' => true);
    }

    public function scan_exif($data) {
        $this->loadLanguageSafe();
        $rows = array();
        $dir = realpath(DIR_IMAGE . 'catalog');
        $realImageDir = realpath(DIR_IMAGE);
        if (!$dir || strpos(str_replace('\\', '/', $dir), str_replace('\\', '/', $realImageDir)) !== 0 || !is_dir($dir)) {
            return array('error' => $this->language->get('text_err_dir'));
        }

        $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS));
        $this->load->model('tool/image');

        foreach ($iterator as $file) {
            if ($file->isFile() && in_array(strtolower($file->getExtension()), array('jpg', 'jpeg'))) {
                $realPath = realpath($file->getPathname());
                if (!$realPath || strpos(str_replace('\\', '/', $realPath), str_replace('\\', '/', $dir)) !== 0) continue;
                $exif = @exif_read_data($realPath);
                if ($exif && (isset($exif['Make']) || isset($exif['Model']) || isset($exif['GPSLatitude']) || isset($exif['GPSLongitude']) || isset($exif['Software']) || isset($exif['DateTime']) || isset($exif['GPSInfo']) || isset($exif['GPSLatitudeRef']) || isset($exif['GPSLongitudeRef']) || isset($exif['DateTimeOriginal']) || isset($exif['Artist']) || isset($exif['Copyright']) || isset($exif['UserComment']))) {
                    $relPath = $this->getRelativeImagePath($realPath);
                    $thumb = $this->model_tool_image->resize($relPath, 100, 100);
                    $entities = $this->getEntitiesByImagePath($relPath);
                    $entities_html = !empty($entities) ? implode('<br>', $entities) : '<i>' . $this->language->get('text_no_relations') . '</i>';
                    $size = filesize($realPath);

                    $exif_details = array();
                    if (isset($exif['Make'])) $exif_details[] = 'Make: ' . htmlspecialchars($exif['Make'], ENT_QUOTES, 'UTF-8');
                    if (isset($exif['Model'])) $exif_details[] = 'Model: ' . htmlspecialchars($exif['Model'], ENT_QUOTES, 'UTF-8');
                    if (isset($exif['Software'])) $exif_details[] = 'Software: ' . htmlspecialchars($exif['Software'], ENT_QUOTES, 'UTF-8');
                    if (isset($exif['GPSLatitude']) || isset($exif['GPSLongitude']) || isset($exif['GPSInfo']) || isset($exif['GPSLatitudeRef']) || isset($exif['GPSLongitudeRef'])) $exif_details[] = 'GPS: Yes';
                    if (isset($exif['DateTime'])) $exif_details[] = 'Date: ' . htmlspecialchars($exif['DateTime'], ENT_QUOTES, 'UTF-8');
                    if (isset($exif['DateTimeOriginal'])) $exif_details[] = 'DateOriginal: ' . htmlspecialchars($exif['DateTimeOriginal'], ENT_QUOTES, 'UTF-8');
                    if (isset($exif['Artist'])) $exif_details[] = 'Artist: ' . htmlspecialchars($exif['Artist'], ENT_QUOTES, 'UTF-8');
                    if (isset($exif['Copyright'])) $exif_details[] = 'Copyright: ' . htmlspecialchars($exif['Copyright'], ENT_QUOTES, 'UTF-8');
                    if (isset($exif['UserComment'])) $exif_details[] = 'Comment: ' . htmlspecialchars($exif['UserComment'], ENT_QUOTES, 'UTF-8');

                    $exif_info = implode(', ', $exif_details);
                    if (!$exif_info) $exif_info = 'EXIF data present';

                    $rows[] = array(
                        'id' => 'exif-' . md5($relPath),
                        'preview' => '<img src="' . $thumb . '" class="img-thumbnail" style="max-width:100px; max-height:100px;">',
                        'name' => '<b>' . htmlspecialchars($relPath, ENT_QUOTES, 'UTF-8') . '</b><br>' . $entities_html,
                        'before' => $exif_info . ' (' . $this->formatBytes($size) . ')',
                        'after' => $this->language->get('text_grid_exif_after'),
                        'actions' => array(
                            'strip' => $this->language->get('text_action_strip'),
                            'ignore' => $this->language->get('text_action_ignore')
                        ),
                        'selected_action' => 'strip',
                        'meta' => array(
                            'path' => $relPath
                        )
                    );
                }
            }
        }

        file_put_contents(DIR_CACHE . 'img_opti_exif_grid.json', json_encode($rows));

        return array(
            'success' => true,
            'headers' => array(
                $this->language->get('text_th_preview'),
                $this->language->get('text_th_entity'),
                $this->language->get('text_th_before'),
                $this->language->get('text_th_after'),
                $this->language->get('text_th_action')
            ),
            'rows' => $rows,
            'backup_available' => false,
            'quarantine_available' => true,
            'description' => $this->language->get('text_description_exif')
        );
    }

    public function fix_exif($data) {
        $selected = isset($data['selected']) ? (array)$data['selected'] : array();
        $fix_all = isset($data['fix_all']) ? (int)$data['fix_all'] : 0;

        $grid = json_decode(file_get_contents(DIR_CACHE . 'img_opti_exif_grid.json'), true);
        $rows_map = array();
        foreach ($grid as $row) {
            $rows_map[$row['id']] = $row;
            if ($fix_all === 1 || empty($selected)) {
                $selected[$row['id']] = $row['selected_action'];
            }
        }

        $realImageDir = realpath(DIR_IMAGE);

        foreach ($selected as $row_id => $act) {
            if ($act !== 'strip' || !isset($rows_map[$row_id])) continue;
            $row = $rows_map[$row_id];
            $cleanPath = str_replace(array('../', '..\\', "\0"), '', (string)$row['meta']['path']);
            $fullPath = realpath(DIR_IMAGE . $cleanPath);
            if (!$fullPath || strpos(str_replace('\\', '/', $fullPath), str_replace('\\', '/', $realImageDir)) !== 0 || !is_file($fullPath)) continue;

            $this->quarantineFile($cleanPath, 'exif');

            $restoredFullPath = DIR_IMAGE . 'catalog_trash/exif/' . ltrim($cleanPath, '/');
            if (is_file($restoredFullPath)) {
                if (extension_loaded('imagick')) {
                    try {
                        $img = new Imagick($restoredFullPath);
                        $img->stripImage();
                        $img->writeImage($fullPath);
                        $img->clear(); $img->destroy();
                    } catch (Exception $e) {}
                } else {
                    $img = @imagecreatefromjpeg($restoredFullPath);
                    if ($img) {
                        imagejpeg($img, $fullPath, 90);
                        imagedestroy($img);
                    }
                }
            }
        }
        @unlink(DIR_CACHE . 'img_opti_exif_grid.json');
        return array('success' => true);
    }

    public function scan_placeholders($data = array()) {
        $this->loadLanguageSafe();
        $rows = array();
        $catalog_url = (defined('HTTPS_CATALOG') && HTTPS_CATALOG) ? HTTPS_CATALOG : (defined('HTTP_CATALOG') ? HTTP_CATALOG : '');

        $scan_products = !empty($data) ? (isset($data['module_img_opti_ph_target_product']) ? (int)$data['module_img_opti_ph_target_product'] : 0) : ($this->config->get('module_img_opti_ph_target_product') !== null ? (int)$this->config->get('module_img_opti_ph_target_product') : 1);
        $scan_categories = !empty($data) ? (isset($data['module_img_opti_ph_target_category']) ? (int)$data['module_img_opti_ph_target_category'] : 0) : ($this->config->get('module_img_opti_ph_target_category') !== null ? (int)$this->config->get('module_img_opti_ph_target_category') : 1);
        $scan_brands = !empty($data) ? (isset($data['module_img_opti_ph_target_brand']) ? (int)$data['module_img_opti_ph_target_brand'] : 0) : ($this->config->get('module_img_opti_ph_target_brand') !== null ? (int)$this->config->get('module_img_opti_ph_target_brand') : 1);

        $this->load->model('tool/image');
        
        $rules_json = $this->config->get('module_img_opti_ph_rules');
        $rules = json_decode(html_entity_decode($rules_json, ENT_QUOTES, 'UTF-8'), true) ?: array();

        if ($scan_products) {
            $query = $this->db->query("SELECT p.product_id as id, p.model, p.status, p.date_available, (SELECT p2s.store_id FROM `" . DB_PREFIX . "product_to_store` p2s WHERE p2s.product_id = p.product_id AND p2s.store_id = '" . (int)$this->config->get('config_store_id') . "' LIMIT 1) AS store_id, (SELECT name FROM `" . DB_PREFIX . "product_description` pd WHERE pd.product_id = p.product_id AND pd.language_id = '" . (int)$this->config->get('config_language_id') . "' LIMIT 1) AS name FROM `" . DB_PREFIX . "product` p WHERE image = '' OR image IS NULL");
            foreach ($query->rows as $row) {
                $matched_image = '';
                foreach ($rules as $rule) {
                    if (empty($rule['status']) || empty($rule['target_product'])) continue;
                    
                    $categories = array();
                    if (!empty($rule['categories'])) {
                        foreach ($rule['categories'] as $c) {
                            $categories[] = is_array($c) ? (int)$c['id'] : (int)$c;
                        }
                    }
                    $brands = array();
                    if (!empty($rule['brands'])) {
                        foreach ($rule['brands'] as $b) {
                            $brands[] = is_array($b) ? (int)$b['id'] : (int)$b;
                        }
                    }
                    
                    $product_id = (int)$row['id'];
                    $query_p_info = $this->db->query("SELECT manufacturer_id FROM `" . DB_PREFIX . "product` WHERE product_id = '" . $product_id . "' LIMIT 1");
                    $manufacturer_id = $query_p_info->num_rows ? (int)$query_p_info->row['manufacturer_id'] : 0;
                    
                    $prod_categories = array();
                    $query_p_cats = $this->db->query("SELECT category_id FROM `" . DB_PREFIX . "product_to_category` WHERE product_id = '" . $product_id . "'");
                    foreach ($query_p_cats->rows as $cat_row) {
                        $prod_categories[] = (int)$cat_row['category_id'];
                    }
                    
                    $in_selected_cats = false;
                    if (!empty($categories)) {
                        foreach ($prod_categories as $c_id) {
                            if (in_array($c_id, $categories)) {
                                $in_selected_cats = true;
                                break;
                            }
                        }
                    }
                    $in_selected_brands = false;
                    if (!empty($brands) && in_array($manufacturer_id, $brands)) {
                        $in_selected_brands = true;
                    }
                    
                    $filter_mode = isset($rule['filter_mode']) ? $rule['filter_mode'] : 'exclude';
                    $match = true;
                    if ($filter_mode === 'include') {
                        if (!empty($categories) || !empty($brands)) {
                            if (!$in_selected_cats && !$in_selected_brands) {
                                $match = false;
                            }
                        }
                    } else {
                        if ($in_selected_cats || $in_selected_brands) {
                            $match = false;
                        }
                    }
                    
                    if ($match && !empty($rule['image'])) {
                        $matched_image = $rule['image'];
                        break;
                    }
                }
                
                if (!$matched_image) continue;

                $admin_link = $this->url->link('catalog/product/edit', 'user_token=' . $this->session->data['user_token'] . '&product_id=' . (int)$row['id'], true);
                $catalog_link_html = '';
                if (isset($row['status']) && (int)$row['status'] === 1 && (empty($row['date_available']) || strtotime($row['date_available']) <= time()) && (isset($row['store_id']) && $row['store_id'] !== null)) {
                    $catalog_link = $catalog_url . 'index.php?route=product/product&product_id=' . (int)$row['id'];
                    $catalog_link_html = ' <a href="' . $catalog_link . '" target="_blank"><i class="fa fa-external-link text-muted"></i></a>';
                }
                $search_links = $this->getSearchLinks($row['name'], $row['model']);
                $rows[] = array(
                    'id' => 'placeholder_product-' . (int)$row['id'],
                    'preview' => is_file(DIR_IMAGE . $matched_image) ? '<img src="' . $this->model_tool_image->resize($matched_image, 100, 100) . '" class="img-thumbnail" style="max-width:100px; max-height:100px;">' : '<i class="fa fa-picture-o text-muted" style="font-size:24px;"></i>',
                    'name' => '<span class="label label-info">Product</span> <a href="' . $admin_link . '" target="_blank">' . htmlspecialchars($row['name'] ? $row['name'] : 'Product ID ' . (int)$row['id'], ENT_QUOTES, 'UTF-8') . '</a>' . $catalog_link_html . $search_links,
                    'before' => $this->language->get('text_grid_no_image'),
                    'after' => $this->mb_basename($matched_image),
                    'actions' => array(
                        'set_placeholder' => $this->language->get('text_action_set_placeholder'),
                        'ignore' => $this->language->get('text_action_ignore')
                    ),
                    'selected_action' => 'set_placeholder',
                    'meta' => array(
                        'image' => $matched_image
                    )
                );
            }
        }

        if ($scan_categories) {
            $query_cat = $this->db->query("SELECT c.category_id as id, c.status, (SELECT c2s.store_id FROM `" . DB_PREFIX . "category_to_store` c2s WHERE c2s.category_id = c.category_id AND c2s.store_id = '" . (int)$this->config->get('config_store_id') . "' LIMIT 1) AS store_id, (SELECT name FROM `" . DB_PREFIX . "category_description` cd WHERE cd.category_id = c.category_id AND cd.language_id = '" . (int)$this->config->get('config_language_id') . "' LIMIT 1) AS name FROM `" . DB_PREFIX . "category` c WHERE image = '' OR image IS NULL");
            foreach ($query_cat->rows as $row) {
                $matched_image = '';
                foreach ($rules as $rule) {
                    if (empty($rule['status']) || empty($rule['target_category'])) continue;
                    $categories = array();
                    if (!empty($rule['categories'])) {
                        foreach ($rule['categories'] as $c) {
                            $categories[] = is_array($c) ? (int)$c['id'] : (int)$c;
                        }
                    }
                    $category_id = (int)$row['id'];
                    $match = true;
                    if (!empty($categories)) {
                        $in_selected = in_array($category_id, $categories);
                        $filter_mode = isset($rule['filter_mode']) ? $rule['filter_mode'] : 'include';
                        if ($filter_mode === 'include' && !$in_selected) {
                            $match = false;
                        } elseif ($filter_mode === 'exclude' && $in_selected) {
                            $match = false;
                        }
                    }
                    if ($match && !empty($rule['image'])) {
                        $matched_image = $rule['image'];
                        break;
                    }
                }
                
                if (!$matched_image) continue;

                $admin_link = $this->url->link('catalog/category/edit', 'user_token=' . $this->session->data['user_token'] . '&category_id=' . (int)$row['id'], true);
                $catalog_link_html = '';
                if (isset($row['status']) && (int)$row['status'] === 1 && (isset($row['store_id']) && $row['store_id'] !== null)) {
                    $catalog_link = $catalog_url . 'index.php?route=product/category&path=' . (int)$row['id'];
                    $catalog_link_html = ' <a href="' . $catalog_link . '" target="_blank"><i class="fa fa-external-link text-muted"></i></a>';
                }
                $search_links = $this->getSearchLinks($row['name']);
                $rows[] = array(
                    'id' => 'placeholder_category-' . (int)$row['id'],
                    'preview' => is_file(DIR_IMAGE . $matched_image) ? '<img src="' . $this->model_tool_image->resize($matched_image, 100, 100) . '" class="img-thumbnail" style="max-width:100px; max-height:100px;">' : '<i class="fa fa-picture-o text-muted" style="font-size:24px;"></i>',
                    'name' => '<span class="label label-success">Category</span> <a href="' . $admin_link . '" target="_blank">' . htmlspecialchars($row['name'] ? $row['name'] : 'Category ID ' . (int)$row['id'], ENT_QUOTES, 'UTF-8') . '</a>' . $catalog_link_html . $search_links,
                    'before' => $this->language->get('text_grid_no_image'),
                    'after' => $this->mb_basename($matched_image),
                    'actions' => array(
                        'set_placeholder' => $this->language->get('text_action_set_placeholder'),
                        'ignore' => $this->language->get('text_action_ignore')
                    ),
                    'selected_action' => 'set_placeholder',
                    'meta' => array(
                        'image' => $matched_image
                    )
                );
            }
        }

        if ($scan_brands) {
            $query_man = $this->db->query("SELECT m.manufacturer_id as id, m.name, (SELECT m2s.store_id FROM `" . DB_PREFIX . "manufacturer_to_store` m2s WHERE m2s.manufacturer_id = m.manufacturer_id AND m2s.store_id = '" . (int)$this->config->get('config_store_id') . "' LIMIT 1) AS store_id FROM `" . DB_PREFIX . "manufacturer` m WHERE image = '' OR image IS NULL");
            foreach ($query_man->rows as $row) {
                $matched_image = '';
                foreach ($rules as $rule) {
                    if (empty($rule['status']) || empty($rule['target_brand'])) continue;
                    $brands = array();
                    if (!empty($rule['brands'])) {
                        foreach ($rule['brands'] as $b) {
                            $brands[] = is_array($b) ? (int)$b['id'] : (int)$b;
                        }
                    }
                    $manufacturer_id = (int)$row['id'];
                    $match = true;
                    if (!empty($brands)) {
                        $in_selected = in_array($manufacturer_id, $brands);
                        $filter_mode = isset($rule['filter_mode']) ? $rule['filter_mode'] : 'include';
                        if ($filter_mode === 'include' && !$in_selected) {
                            $match = false;
                        } elseif ($filter_mode === 'exclude' && $in_selected) {
                            $match = false;
                        }
                    }
                    if ($match && !empty($rule['image'])) {
                        $matched_image = $rule['image'];
                        break;
                    }
                }
                
                if (!$matched_image) continue;

                $admin_link = $this->url->link('catalog/manufacturer/edit', 'user_token=' . $this->session->data['user_token'] . '&manufacturer_id=' . (int)$row['id'], true);
                $catalog_link_html = '';
                if ((isset($row['store_id']) && $row['store_id'] !== null)) {
                    $catalog_link = $catalog_url . 'index.php?route=product/manufacturer/info&manufacturer_id=' . (int)$row['id'];
                    $catalog_link_html = ' <a href="' . $catalog_link . '" target="_blank"><i class="fa fa-external-link text-muted"></i></a>';
                }
                $search_links = $this->getSearchLinks($row['name']);
                $rows[] = array(
                    'id' => 'placeholder_manufacturer-' . (int)$row['id'],
                    'preview' => is_file(DIR_IMAGE . $matched_image) ? '<img src="' . $this->model_tool_image->resize($matched_image, 100, 100) . '" class="img-thumbnail" style="max-width:100px; max-height:100px;">' : '<i class="fa fa-picture-o text-muted" style="font-size:24px;"></i>',
                    'name' => '<span class="label label-warning">Manufacturer</span> <a href="' . $admin_link . '" target="_blank">' . htmlspecialchars($row['name'], ENT_QUOTES, 'UTF-8') . '</a>' . $catalog_link_html . $search_links,
                    'before' => $this->language->get('text_grid_no_image'),
                    'after' => $this->mb_basename($matched_image),
                    'actions' => array(
                        'set_placeholder' => $this->language->get('text_action_set_placeholder'),
                        'ignore' => $this->language->get('text_action_ignore')
                    ),
                    'selected_action' => 'set_placeholder',
                    'meta' => array(
                        'image' => $matched_image
                    )
                );
            }
        }

        file_put_contents(DIR_CACHE . 'img_opti_placeholders_grid.json', json_encode($rows));

        return array(
            'success' => true,
            'headers' => array(
                $this->language->get('text_th_preview'),
                $this->language->get('text_th_entity'),
                $this->language->get('text_th_before'),
                $this->language->get('text_th_after'),
                $this->language->get('text_th_action')
            ),
            'rows' => $rows,
            'backup_available' => true,
            'quarantine_available' => false,
            'description' => $this->language->get('text_description_placeholders')
        );
    }

    public function fix_placeholders($data) {
        $this->backupCatalogTables('placeholders');
        $selected = isset($data['selected']) ? (array)$data['selected'] : array();
        $fix_all = isset($data['fix_all']) ? (int)$data['fix_all'] : 0;

        $grid = json_decode(file_get_contents(DIR_CACHE . 'img_opti_placeholders_grid.json'), true);
        foreach ($grid as $row) {
            if ($fix_all === 1 || empty($selected)) {
                $selected[$row['id']] = $row['selected_action'];
            }
        }

        foreach ($selected as $row_id => $act) {
            if ($act !== 'set_placeholder') continue;
            
            $image_path = '';
            foreach ($grid as $row) {
                if ($row['id'] === $row_id) {
                    $image_path = isset($row['meta']['image']) ? (string)$row['meta']['image'] : '';
                    break;
                }
            }
            if (!$image_path) continue;

            $parts = explode('-', (string)$row_id, 2);
            if (count($parts) !== 2) continue;
            $type = preg_replace('/[^a-zA-Z_]/', '', $parts[0]);
            $id = (int)$parts[1];

            if ($type === 'placeholder_product') {
                $this->db->query("UPDATE `" . DB_PREFIX . "product` SET image = '" . $this->db->escape($image_path) . "' WHERE product_id = '" . $id . "'");
            } elseif ($type === 'placeholder_category') {
                $this->db->query("UPDATE `" . DB_PREFIX . "category` SET image = '" . $this->db->escape($image_path) . "' WHERE category_id = '" . $id . "'");
            } elseif ($type === 'placeholder_manufacturer') {
                $this->db->query("UPDATE `" . DB_PREFIX . "manufacturer` SET image = '" . $this->db->escape($image_path) . "' WHERE manufacturer_id = '" . $id . "'");
            }
        }
        @unlink(DIR_CACHE . 'img_opti_placeholders_grid.json');
        return array('success' => true);
    }

    public function scan_watermark($data) {
        $this->loadLanguageSafe();
        $cache_dir = realpath(DIR_IMAGE . 'cache/catalog');
        $realImageDir = realpath(DIR_IMAGE);
        if ($cache_dir && strpos(str_replace('\\', '/', $cache_dir), str_replace('\\', '/', $realImageDir)) !== 0 && is_dir($cache_dir)) {
            $this->cleanDir($cache_dir);
        }
        return array(
            'success' => true,
            'message' => $this->language->get('text_log_cache_cleared') . '<br>' . $this->language->get('text_log_wm_smart_mode')
        );
    }

    private function cleanDir($dir) {
        $realDir = realpath($dir);
        $realImageDir = realpath(DIR_IMAGE);
        if (!$realDir || strpos(str_replace('\\', '/', $realDir), str_replace('\\', '/', $realImageDir)) !== 0 || !is_dir($realDir)) return;
        $files = array_diff(scandir($realDir), array('.','..'));
        foreach ($files as $file) {
            $currentPath = $realDir . DIRECTORY_SEPARATOR . $this->mb_basename($file);
            (is_dir($currentPath)) ? $this->cleanDir($currentPath) : @unlink($currentPath);
        }
        @rmdir($realDir);
    }

        public function applyDynamicWatermark($cached_file, $original_file, $is_preview = false) {
        $realCachedFile = realpath($cached_file);
        $realImageDir = realpath(DIR_IMAGE);
        $cleanCached = mb_strtolower(str_replace('\\', '/', $realCachedFile ?: ''), 'UTF-8');
        $cleanImageDir = mb_strtolower(str_replace('\\', '/', $realImageDir ?: ''), 'UTF-8');
        if (!$realCachedFile || strpos($cleanCached, $cleanImageDir) !== 0) return false;

        $escaped_original = $this->db->escape((string)$original_file);
        $matched_rules = array();

        if ($is_preview) {
            $matched_rules[] = array(
                'status' => 1,
                'type' => $this->config->get('module_img_opti_wm_type'),
                'image' => $this->config->get('module_img_opti_wm_image'),
                'text_val' => $this->config->get('module_img_opti_wm_text_val'),
                'position' => $this->config->get('module_img_opti_wm_position'),
                'opacity' => $this->config->get('module_img_opti_wm_opacity'),
                'angle' => $this->config->get('module_img_opti_wm_angle'),
                'corner_radius' => $this->config->get('module_img_opti_wm_corner_radius'),
                'size_type' => $this->config->get('module_img_opti_wm_size_type'),
                'size_percent' => $this->config->get('module_img_opti_wm_size_percent'),
                'size_px' => $this->config->get('module_img_opti_wm_size_px'),
                'text_color' => $this->config->get('module_img_opti_wm_text_color'),
                'text_font' => $this->config->get('module_img_opti_wm_text_font'),
                'text_size' => $this->config->get('module_img_opti_wm_text_size')
            );
        } else {
            $rules_json = $this->config->get('module_img_opti_wm_rules');
            $rules = json_decode(html_entity_decode($rules_json, ENT_QUOTES, 'UTF-8'), true) ?: array();
            
            foreach ($rules as $rule) {
                if (empty($rule['status'])) continue;
                
                $targets = array();
                if (!empty($rule['target_product'])) $targets[] = 'product';
                if (!empty($rule['target_category'])) $targets[] = 'category';
                if (!empty($rule['target_brand'])) $targets[] = 'manufacturer';
                if (!empty($rule['target_banner'])) $targets[] = 'banner';
                if (!empty($rule['target_blog'])) $targets[] = 'blog';
                
                $is_match = false;
                $product_id = 0;
                $manufacturer_id = 0;
                
                if (in_array('product', $targets)) {
                    $query_prod = $this->db->query("SELECT product_id, manufacturer_id FROM `" . DB_PREFIX . "product` WHERE image = '" . $escaped_original . "' LIMIT 1");
                    if ($query_prod->num_rows) {
                        $is_match = true;
                        $product_id = (int)$query_prod->row['product_id'];
                        $manufacturer_id = (int)$query_prod->row['manufacturer_id'];
                    } else {
                        $query_prod_add = $this->db->query("SELECT product_id FROM `" . DB_PREFIX . "product_image` WHERE image = '" . $escaped_original . "' LIMIT 1");
                        if ($query_prod_add->num_rows) {
                            $is_match = true;
                            $product_id = (int)$query_prod_add->row['product_id'];
                            $query_p_info = $this->db->query("SELECT manufacturer_id FROM `" . DB_PREFIX . "product` WHERE product_id = '" . $product_id . "' LIMIT 1");
                            $manufacturer_id = $query_p_info->num_rows ? (int)$query_p_info->row['manufacturer_id'] : 0;
                        }
                    }
                    
                    if ($is_match) {
                        $categories = array();
                        if (!empty($rule['categories'])) {
                            foreach ($rule['categories'] as $c) {
                                $categories[] = is_array($c) ? (int)$c['id'] : (int)$c;
                            }
                        }
                        $brands = array();
                        if (!empty($rule['brands'])) {
                            foreach ($rule['brands'] as $b) {
                                $brands[] = is_array($b) ? (int)$b['id'] : (int)$b;
                            }
                        }
                        
                        $prod_categories = array();
                        $query_p_cats = $this->db->query("SELECT category_id FROM `" . DB_PREFIX . "product_to_category` WHERE product_id = '" . $product_id . "'");
                        foreach ($query_p_cats->rows as $row) {
                            $prod_categories[] = (int)$row['category_id'];
                        }
                        
                        $in_selected_cats = false;
                        if (!empty($categories)) {
                            foreach ($prod_categories as $c_id) {
                                if (in_array($c_id, $categories)) {
                                    $in_selected_cats = true;
                                    break;
                                }
                            }
                        }
                        
                        $in_selected_brands = false;
                        if (!empty($brands) && in_array($manufacturer_id, $brands)) {
                            $in_selected_brands = true;
                        }
                        
                        $filter_mode = isset($rule['filter_mode']) ? $rule['filter_mode'] : 'include';
                        if ($filter_mode === 'include') {
                            if (!empty($categories) || !empty($brands)) {
                                if (!$in_selected_cats && !$in_selected_brands) {
                                    $is_match = false;
                                }
                            }
                        } else {
                            if ($in_selected_cats || $in_selected_brands) {
                                $is_match = false;
                            }
                        }
                    }
                }
                
                if (!$is_match && in_array('category', $targets)) {
                    $query_cat = $this->db->query("SELECT category_id FROM `" . DB_PREFIX . "category` WHERE image = '" . $escaped_original . "' LIMIT 1");
                    if ($query_cat->num_rows) {
                        $is_match = true;
                        $category_id = (int)$query_cat->row['category_id'];
                        $categories = array();
                        if (!empty($rule['categories'])) {
                            foreach ($rule['categories'] as $c) {
                                $categories[] = is_array($c) ? (int)$c['id'] : (int)$c;
                            }
                        }
                        if (!empty($categories)) {
                            $in_selected = in_array($category_id, $categories);
                            $filter_mode = isset($rule['filter_mode']) ? $rule['filter_mode'] : 'include';
                            if ($filter_mode === 'include' && !$in_selected) {
                                $is_match = false;
                            } elseif ($filter_mode === 'exclude' && $in_selected) {
                                $is_match = false;
                            }
                        }
                    }
                }
                
                if (!$is_match && in_array('manufacturer', $targets)) {
                    $query_brand = $this->db->query("SELECT manufacturer_id FROM `" . DB_PREFIX . "manufacturer` WHERE image = '" . $escaped_original . "' LIMIT 1");
                    if ($query_brand->num_rows) {
                        $is_match = true;
                        $manufacturer_id = (int)$query_brand->row['manufacturer_id'];
                        $brands = array();
                        if (!empty($rule['brands'])) {
                            foreach ($rule['brands'] as $b) {
                                $brands[] = is_array($b) ? (int)$b['id'] : (int)$b;
                            }
                        }
                        if (!empty($brands)) {
                            $in_selected = in_array($manufacturer_id, $brands);
                            $filter_mode = isset($rule['filter_mode']) ? $rule['filter_mode'] : 'include';
                            if ($filter_mode === 'include' && !$in_selected) {
                                $is_match = false;
                            } elseif ($filter_mode === 'exclude' && $in_selected) {
                                $is_match = false;
                            }
                        }
                    }
                }
                
                if (!$is_match && in_array('banner', $targets)) {
                    $table_query = $this->db->query("SHOW TABLES LIKE '" . DB_PREFIX . "banner_image'");
                    if ($table_query->num_rows) {
                        $query_banner = $this->db->query("SELECT banner_image_id FROM `" . DB_PREFIX . "banner_image` WHERE image = '" . $escaped_original . "' LIMIT 1");
                        if ($query_banner->num_rows) {
                            $is_match = true;
                        }
                    }
                }
                
                if (!$is_match && in_array('blog', $targets)) {
                    $blog_tables = array(
                        'oct_blog_article',
                        'simple_blog_article',
                        'newsblog_article',
                        'information'
                    );
                    foreach ($blog_tables as $b_table) {
                        $table_query = $this->db->query("SHOW TABLES LIKE '" . DB_PREFIX . $b_table . "'");
                        if ($table_query->num_rows) {
                            $column_query = $this->db->query("SHOW COLUMNS FROM `" . DB_PREFIX . $b_table . "` LIKE 'image'");
                            if ($column_query->num_rows) {
                                $query_blog = $this->db->query("SELECT * FROM `" . DB_PREFIX . $b_table . "` WHERE image = '" . $escaped_original . "' LIMIT 1");
                                if ($query_blog->num_rows) {
                                    $is_match = true;
                                    break;
                                }
                            }
                        }
                    }
                }
                
                if ($is_match) {
                    $matched_rules[] = $rule;
                }
            }
        }

        if (empty($matched_rules)) {
            return false;
        }

        $engine = preg_replace('/[^a-z]/', '', strtolower($this->config->get('module_img_opti_engine')));
        $hasImagick = extension_loaded('imagick');

        if ($engine === 'imagick' && $hasImagick) {
            try {
                $img = new Imagick($realCachedFile);
                foreach ($matched_rules as $rule) {
                    $type = preg_replace('/[^a-z]/', '', $rule['type']);
                    $imagePathStr = str_replace(array('../', '..\\', ' '), '', (string)$rule['image']);
                    $imagePath = realpath(DIR_IMAGE . $imagePathStr);
                    $cleanImagePath = mb_strtolower(str_replace('\\', '/', $imagePath ?: ''), 'UTF-8');
                    if ($imagePath && strpos($cleanImagePath, $cleanImageDir) !== 0) {
                        $imagePath = false;
                    }
                    $textVal = (string)$rule['text_val'];
                    $position = (int)$rule['position'];
                    $opacity = (int)$rule['opacity'];
                    $size_type = isset($rule['size_type']) ? $rule['size_type'] : 'original';
                    $size_percent = isset($rule['size_percent']) ? (int)$rule['size_percent'] : 20;
                    $size_px = isset($rule['size_px']) ? (int)$rule['size_px'] : 200;
                    $text_size = isset($rule['text_size']) ? (int)$rule['text_size'] : 24;
                    $angle = isset($rule['angle']) ? (int)$rule['angle'] : 0;
                    $corner_radius = isset($rule['corner_radius']) ? (int)$rule['corner_radius'] : 0;
                    $text_font = isset($rule['text_font']) ? (string)$rule['text_font'] : '';
                    $text_color = isset($rule['text_color']) ? (string)$rule['text_color'] : '#ffffff';

                    if ($type === 'image') {
                        if (!$imagePath || !is_file($imagePath)) continue;
                    }
                    if ($type === 'text' && empty($textVal)) continue;

                    $imgW = $img->getImageWidth();
                    $imgH = $img->getImageHeight();

                    if ($type === 'image') {
                        $wm = new Imagick($imagePath);
                        
                        $max_wm_w = (int)$this->config->get('module_img_opti_wm_max_width');
                        if ($max_wm_w <= 0) $max_wm_w = 800;
                        $max_wm_h = (int)$this->config->get('module_img_opti_wm_max_height');
                        if ($max_wm_h <= 0) $max_wm_h = 800;
                        
                        $wmW = $wm->getImageWidth();
                        $wmH = $wm->getImageHeight();
                        if ($wmW > $max_wm_w || $wmH > $max_wm_h) {
                            $ratio = min($max_wm_w / $wmW, $max_wm_h / $wmH);
                            $new_wm_w = intval($wmW * $ratio);
                            $new_wm_h = intval($wmH * $ratio);
                            if ($new_wm_w > 0 && $new_wm_h > 0) {
                                $wm->resizeImage($new_wm_w, $new_wm_h, Imagick::FILTER_LANCZOS, 1);
                            }
                        }
                        
                        if ($size_type === 'px' && $size_px > 0) {
                            $targetW = min($imgW, $size_px);
                            $targetH = intval(($wm->getImageHeight() / $wm->getImageWidth()) * $targetW);
                            if ($targetW > 0 && $targetH > 0) {
                                $wm->resizeImage($targetW, $targetH, Imagick::FILTER_LANCZOS, 1);
                            }
                        } elseif ($size_type === 'percent' && $size_percent > 0) {
                            $targetW = intval(($imgW * $size_percent) / 100);
                            $targetH = intval(($wm->getImageHeight() / $wm->getImageWidth()) * $targetW);
                            if ($targetW > 0 && $targetH > 0) {
                                $wm->resizeImage($targetW, $targetH, Imagick::FILTER_LANCZOS, 1);
                            }
                        }
                        if ($corner_radius > 0) {
                            $wm->roundCorners($corner_radius, $corner_radius);
                        }
                        if ($angle != 0) {
                            $wm->rotateImage(new ImagickPixel('none'), $angle);
                        }
                        $wm->evaluateImage(Imagick::EVALUATE_MULTIPLY, $opacity / 100, Imagick::CHANNEL_ALPHA);
                        $wmW = $wm->getImageWidth();
                        $wmH = $wm->getImageHeight();
                    } else {
                        $wm = new Imagick();
                        $draw = new ImagickDraw();
                        $fontFile = $text_font;
                        if (!empty($fontFile) && !is_file($fontFile)) {
                            $base_font = basename($fontFile);
                            if (is_file(DIR_SYSTEM . 'library/font/' . $base_font)) {
                                $fontFile = DIR_SYSTEM . 'library/font/' . $base_font;
                            } elseif (is_file(DIR_SYSTEM . 'fonts/' . $base_font)) {
                                $fontFile = DIR_SYSTEM . 'fonts/' . $base_font;
                            } elseif (is_file(DIR_SYSTEM . 'font/' . $base_font)) {
                                $fontFile = DIR_SYSTEM . 'font/' . $base_font;
                            }
                        }
                        if (empty($fontFile) || !is_file($fontFile)) {
                            $fontFile = DIR_SYSTEM . 'library/font/Roboto-Regular.ttf';
                        }
                        if (is_file($fontFile)) {
                            $draw->setFont($fontFile);
                        }
                        $fontSize = ($text_size > 0) ? $text_size : 24;
                        $draw->setFontSize($fontSize);
                        $colorHex = $text_color;
                        list($r, $g, $b) = $this->hex2rgb($colorHex);
                        $draw->setFillColor(new ImagickPixel('rgba(' . $r . ',' . $g . ',' . $b . ',' . ($opacity / 100) . ')'));
                        $draw->setGravity(Imagick::GRAVITY_CENTER);
                        $wm->newImage($imgW, $imgH, new ImagickPixel('transparent'));
                        $wm->annotateImage($draw, 0, 0, 0, $textVal);
                        if ($angle != 0) {
                            $wm->rotateImage(new ImagickPixel('none'), $angle);
                        }
                        $wmW = $wm->getImageWidth();
                        $wmH = $wm->getImageHeight();
                    }
                    $posX = 0; $posY = 0; $pad = 10;
                    if (in_array($position, array(1, 4, 7))) $posX = $pad;
                    elseif (in_array($position, array(2, 5, 8))) $posX = ($imgW - $wmW) / 2;
                    elseif (in_array($position, array(3, 6, 9))) $posX = $imgW - $wmW - $pad;

                    if (in_array($position, array(1, 2, 3))) $posY = $pad;
                    elseif (in_array($position, array(4, 5, 6))) $posY = ($imgH - $wmH) / 2;
                    elseif (in_array($position, array(7, 8, 9))) $posY = $imgH - $wmH - $pad;

                    $img->compositeImage($wm, Imagick::COMPOSITE_OVER, $posX, $posY);
                    $wm->clear(); $wm->destroy();
                }
                $img->writeImage($realCachedFile);
                $img->clear(); $img->destroy();
            } catch (Exception $e) {}
        } else {
            $ext = strtolower($this->mb_pathinfo($realCachedFile, PATHINFO_EXTENSION));
            if ($ext === 'jpg' || $ext === 'jpeg') {
                $img = @imagecreatefromjpeg($realCachedFile);
            } elseif ($ext === 'png') {
                $img = @imagecreatefrompng($realCachedFile);
            } elseif ($ext === 'webp' && function_exists('imagecreatefromwebp')) {
                $img = @imagecreatefromwebp($realCachedFile);
            } else {
                $img = false;
            }

            if ($img) {
                if (function_exists('imagepalettetotruecolor') && !imageistruecolor($img)) {
                    imagepalettetotruecolor($img);
                }
                imagealphablending($img, true);

                $imgW = imagesx($img);
                $imgH = imagesy($img);

                foreach ($matched_rules as $rule) {
                    $type = preg_replace('/[^a-z]/', '', $rule['type']);
                    $imagePathStr = str_replace(array('../', '..\\', ' '), '', (string)$rule['image']);
                    $imagePath = realpath(DIR_IMAGE . $imagePathStr);
                    $cleanImagePath = mb_strtolower(str_replace('\\', '/', $imagePath ?: ''), 'UTF-8');
                    if ($imagePath && strpos($cleanImagePath, $cleanImageDir) !== 0) {
                        $imagePath = false;
                    }
                    $textVal = (string)$rule['text_val'];
                    $position = (int)$rule['position'];
                    $opacity = (int)$rule['opacity'];
                    $size_type = isset($rule['size_type']) ? $rule['size_type'] : 'original';
                    $size_percent = isset($rule['size_percent']) ? (int)$rule['size_percent'] : 20;
                    $size_px = isset($rule['size_px']) ? (int)$rule['size_px'] : 200;
                    $text_size = isset($rule['text_size']) ? (int)$rule['text_size'] : 24;
                    $angle = isset($rule['angle']) ? (int)$rule['angle'] : 0;
                    $corner_radius = isset($rule['corner_radius']) ? (int)$rule['corner_radius'] : 0;
                    $text_font = isset($rule['text_font']) ? (string)$rule['text_font'] : '';
                    $text_color = isset($rule['text_color']) ? (string)$rule['text_color'] : '#ffffff';

                    if ($type === 'image') {
                        if (!$imagePath || !is_file($imagePath)) continue;
                    }
                    if ($type === 'text' && empty($textVal)) continue;

                    if ($type === 'image') {
                        $wm = @imagecreatefrompng($imagePath);
                        if (!$wm) {
                            $wm = @imagecreatefromjpeg($imagePath);
                        }
                        if (!$wm && function_exists('imagecreatefromwebp')) {
                            $wm = @imagecreatefromwebp($imagePath);
                        }
                        if ($wm) {
                            if (function_exists('imagepalettetotruecolor') && !imageistruecolor($wm)) {
                                imagepalettetotruecolor($wm);
                            }
                            imagealphablending($wm, false);
                            imagesavealpha($wm, true);

                            $wmW = imagesx($wm);
                            $wmH = imagesy($wm);
                            
                            $max_wm_w = (int)$this->config->get('module_img_opti_wm_max_width');
                            if ($max_wm_w <= 0) $max_wm_w = 800;
                            $max_wm_h = (int)$this->config->get('module_img_opti_wm_max_height');
                            if ($max_wm_h <= 0) $max_wm_h = 800;

                            if ($wmW > $max_wm_w || $wmH > $max_wm_h) {
                                $ratio = min($max_wm_w / $wmW, $max_wm_h / $wmH);
                                $new_wm_w = intval($wmW * $ratio);
                                $new_wm_h = intval($wmH * $ratio);
                                if ($new_wm_w > 0 && $new_wm_h > 0) {
                                    $resized_wm = imagecreatetruecolor($new_wm_w, $new_wm_h);
                                    imagealphablending($resized_wm, false);
                                    imagesavealpha($resized_wm, true);
                                    $transparent = imagecolorallocatealpha($resized_wm, 255, 255, 255, 127);
                                    imagefill($resized_wm, 0, 0, $transparent);
                                    imagecopyresampled($resized_wm, $wm, 0, 0, 0, 0, $new_wm_w, $new_wm_h, $wmW, $wmH);
                                    imagedestroy($wm);
                                    $wm = $resized_wm;
                                    $wmW = $new_wm_w;
                                    $wmH = $new_wm_h;
                                }
                            }
                            if ($size_type === 'px' && $size_px > 0) {
                                $targetW = min($imgW, $size_px);
                                $targetH = intval(($wmH / $wmW) * $targetW);
                                if ($targetW > 0 && $targetH > 0) {
                                    $resized_wm = imagecreatetruecolor($targetW, $targetH);
                                    imagealphablending($resized_wm, false);
                                    imagesavealpha($resized_wm, true);
                                    $transparent = imagecolorallocatealpha($resized_wm, 255, 255, 255, 127);
                                    imagefill($resized_wm, 0, 0, $transparent);
                                    imagecopyresampled($resized_wm, $wm, 0, 0, 0, 0, $targetW, $targetH, $wmW, $wmH);
                                    imagedestroy($wm);
                                    $wm = $resized_wm;
                                    $wmW = $targetW;
                                    $wmH = $targetH;
                                }
                            } elseif ($size_type === 'percent' && $size_percent > 0) {
                                $targetW = intval(($imgW * $size_percent) / 100);
                                $targetH = intval(($wmH / $wmW) * $targetW);
                                if ($targetW > 0 && $targetH > 0) {
                                    $resized_wm = imagecreatetruecolor($targetW, $targetH);
                                    imagealphablending($resized_wm, false);
                                    imagesavealpha($resized_wm, true);
                                    $transparent = imagecolorallocatealpha($resized_wm, 255, 255, 255, 127);
                                    imagefill($resized_wm, 0, 0, $transparent);
                                    imagecopyresampled($resized_wm, $wm, 0, 0, 0, 0, $targetW, $targetH, $wmW, $wmH);
                                    imagedestroy($wm);
                                    $wm = $resized_wm;
                                    $wmW = $targetW;
                                    $wmH = $targetH;
                                }
                            }
                            if ($corner_radius > 0) {
                                $wm = $this->roundCornersGD($wm, $corner_radius);
                            }
                            if ($angle != 0) {
                                $gd_angle = -1 * $angle;
                                $transparent = imagecolorallocatealpha($wm, 255, 255, 255, 127);
                                $rotated = imagerotate($wm, $gd_angle, $transparent);
                                if ($rotated) {
                                    imagealphablending($rotated, false);
                                    imagesavealpha($rotated, true);
                                    imagedestroy($wm);
                                    $wm = $rotated;
                                    $wmW = imagesx($wm);
                                    $wmH = imagesy($wm);
                                }
                            }
                            $posX = 0; $posY = 0; $pad = 10;
                            if (in_array($position, array(1, 4, 7))) $posX = $pad;
                            elseif (in_array($position, array(2, 5, 8))) $posX = ($imgW - $wmW) / 2;
                            elseif (in_array($position, array(3, 6, 9))) $posX = $imgW - $wmW - $pad;

                            if (in_array($position, array(1, 2, 3))) $posY = $pad;
                            elseif (in_array($position, array(4, 5, 6))) $posY = ($imgH - $wmH) / 2;
                            elseif (in_array($position, array(7, 8, 9))) $posY = $imgH - $wmH - $pad;

                            $this->imagecopymerge_alpha($img, $wm, $posX, $posY, 0, 0, $wmW, $wmH, $opacity);
                            imagedestroy($wm);
                        }
                    } else {
                        $fontFile = $text_font;
                        if (!empty($fontFile) && !is_file($fontFile)) {
                            $base_font = basename($fontFile);
                            if (is_file(DIR_SYSTEM . 'library/font/' . $base_font)) {
                                $fontFile = DIR_SYSTEM . 'library/font/' . $base_font;
                            } elseif (is_file(DIR_SYSTEM . 'fonts/' . $base_font)) {
                                $fontFile = DIR_SYSTEM . 'fonts/' . $base_font;
                            } elseif (is_file(DIR_SYSTEM . 'font/' . $base_font)) {
                                $fontFile = DIR_SYSTEM . 'font/' . $base_font;
                            }
                        }
                        if (empty($fontFile) || !is_file($fontFile)) {
                            $fontFile = DIR_SYSTEM . 'library/font/Roboto-Regular.ttf';
                        }
                        if (!is_file($fontFile)) {
                            $open_basedir = ini_get('open_basedir');
                            $fallback_dirs = array(
                                DIR_SYSTEM . 'library/font/',
                                DIR_SYSTEM . 'fonts/',
                                DIR_SYSTEM . 'font/',
                                DIR_CATALOG . 'view/theme/default/fonts/'
                            );
                            if (DIRECTORY_SEPARATOR === '/') {
                                if (!$open_basedir) {
                                    $fallback_dirs[] = '/usr/share/fonts/truetype/dejavu/';
                                    $fallback_dirs[] = '/usr/share/fonts/truetype/liberation/';
                                    $fallback_dirs[] = '/usr/share/fonts/truetype/freefont/';
                                }
                            } else {
                                if (!$open_basedir) {
                                    $fallback_dirs[] = 'C:/Windows/Fonts/';
                                }
                            }
                            foreach ($fallback_dirs as $f_dir) {
                                if (@is_dir($f_dir)) {
                                    $glob = @glob($f_dir . '*.ttf');
                                    if ($glob) {
                                        $fontFile = $glob[0];
                                        break;
                                    }
                                }
                            }
                        }
                        
                        $userFontSize = ($text_size > 0) ? $text_size : 24;

                        if (!is_file($fontFile)) {
                            $gdFont = 3;
                            if ($userFontSize <= 14) $gdFont = 1;
                            elseif ($userFontSize <= 20) $gdFont = 2;
                            elseif ($userFontSize <= 28) $gdFont = 3;
                            elseif ($userFontSize <= 38) $gdFont = 4;
                            else $gdFont = 5;

                            $fontWidth = imagefontwidth($gdFont) * strlen($textVal);
                            $fontHeight = imagefontheight($gdFont);
                            $posX = 0; $posY = 0; $pad = 10;
                            if (in_array($position, array(1, 4, 7))) $posX = $pad;
                            elseif (in_array($position, array(2, 5, 8))) $posX = ($imgW - $fontWidth) / 2;
                            elseif (in_array($position, array(3, 6, 9))) $posX = $imgW - $fontWidth - $pad;

                            if (in_array($position, array(1, 2, 3))) $posY = $pad;
                            elseif (in_array($position, array(4, 5, 6))) $posY = ($imgH - $fontHeight) / 2;
                            elseif (in_array($position, array(7, 8, 9))) $posY = $imgH - $fontHeight - $pad;

                            $alpha = intval(127 - (127 * ($opacity / 100)));
                            $color = imagecolorallocatealpha($img, 255, 255, 255, $alpha);
                            imagestring($img, $gdFont, $posX, $posY, $textVal, $color);
                        } else {
                            $fontSize = $userFontSize;
                            $colorHex = $text_color;
                            list($r, $g, $b) = $this->hex2rgb($colorHex);
                            $alpha = intval(127 - (127 * ($opacity / 100)));
                            $color = imagecolorallocatealpha($img, $r, $g, $b, $alpha);
                            
                            $bbox = imagettfbbox($fontSize, $angle, $fontFile, $textVal);
                            $textW = abs($bbox[4] - $bbox[0]);
                            $textH = abs($bbox[5] - $bbox[1]);
                            
                            $posX = 0; $posY = 0; $pad = 10;
                            if (in_array($position, array(1, 4, 7))) $posX = $pad;
                            elseif (in_array($position, array(2, 5, 8))) $posX = ($imgW - $textW) / 2;
                            elseif (in_array($position, array(3, 6, 9))) $posX = $imgW - $textW - $pad;

                            if (in_array($position, array(1, 2, 3))) $posY = $pad + $textH;
                            elseif (in_array($position, array(4, 5, 6))) $posY = ($imgH - $textH) / 2 + $textH;
                            elseif (in_array($position, array(7, 8, 9))) $posY = $imgH - $pad;
                            
                            imagettftext($img, $fontSize, $angle, $posX, $posY, $color, $fontFile, $textVal);
                        }
                    }
                }

                if ($ext === 'png' || $ext === 'webp') {
                    imagealphablending($img, false);
                    imagesavealpha($img, true);
                }
                if ($ext === 'jpg' || $ext === 'jpeg') { imagejpeg($img, $realCachedFile, 90); }
                elseif ($ext === 'png') { imagepng($img, $realCachedFile, 9); }
                elseif ($ext === 'webp') { imagewebp($img, $realCachedFile, 90); }
                imagedestroy($img);
            }
        }
        return true;
    }

private function roundCornersGD($im, $radius) {
        $w = imagesx($im);
        $h = imagesy($im);
        $new_im = imagecreatetruecolor($w, $h);
        imagealphablending($new_im, false);
        imagesavealpha($new_im, true);
        $transparent = imagecolorallocatealpha($new_im, 255, 255, 255, 127);
        imagefill($new_im, 0, 0, $transparent);
        for ($x = 0; $x < $w; $x++) {
            for ($y = 0; $y < $h; $y++) {
                $rgba = imagecolorat($im, $x, $y);
                $in_corner = false;
                if ($x < $radius && $y < $radius) {
                    if (pow($radius - $x, 2) + pow($radius - $y, 2) > pow($radius, 2)) $in_corner = true;
                } elseif ($x >= $w - $radius && $y < $radius) {
                    if (pow($x - ($w - $radius - 1), 2) + pow($radius - $y, 2) > pow($radius, 2)) $in_corner = true;
                } elseif ($x < $radius && $y >= $h - $radius) {
                    if (pow($radius - $x, 2) + pow($y - ($h - $radius - 1), 2) > pow($radius, 2)) $in_corner = true;
                } elseif ($x >= $w - $radius && $y >= $h - $radius) {
                    if (pow($x - ($w - $radius - 1), 2) + pow($y - ($h - $radius - 1), 2) > pow($radius, 2)) $in_corner = true;
                }
                if ($in_corner) {
                    imagesetpixel($new_im, $x, $y, $transparent);
                } else {
                    imagesetpixel($new_im, $x, $y, $rgba);
                }
            }
        }
        imagedestroy($im);
        return $new_im;
    }

    private function hex2rgb($hex) {
        $hex = str_replace('#', '', $hex);
        if (strlen($hex) == 3) {
            $r = hexdec(substr($hex, 0, 1) . substr($hex, 0, 1));
            $g = hexdec(substr($hex, 1, 1) . substr($hex, 1, 1));
            $b = hexdec(substr($hex, 2, 1) . substr($hex, 2, 1));
        } else {
            $r = hexdec(substr($hex, 0, 2));
            $g = hexdec(substr($hex, 2, 2));
            $b = hexdec(substr($hex, 4, 2));
        }
        return array($r, $g, $b);
    }

    private function imagecopymerge_alpha($dst_im, $src_im, $dst_x, $dst_y, $src_x, $src_y, $src_w, $src_h, $pct) {
        $opacity = $pct / 100;
        for ($x = 0; $x < $src_w; $x++) {
            for ($y = 0; $y < $src_h; $y++) {
                $src_color_idx = imagecolorat($src_im, $src_x + $x, $src_y + $y);
                $src_color = imagecolorsforindex($src_im, $src_color_idx);
                $src_alpha = (127 - $src_color['alpha']) / 127;
                $src_alpha = $src_alpha * $opacity;
                if ($src_alpha <= 0) {
                    continue;
                }
                $dst_x_pos = $dst_x + $x;
                $dst_y_pos = $dst_y + $y;
                if ($dst_x_pos < 0 || $dst_x_pos >= imagesx($dst_im) || $dst_y_pos < 0 || $dst_y_pos >= imagesy($dst_im)) {
                    continue;
                }
                $dst_color_idx = imagecolorat($dst_im, $dst_x_pos, $dst_y_pos);
                $dst_color = imagecolorsforindex($dst_im, $dst_color_idx);
                $dst_alpha = (127 - $dst_color['alpha']) / 127;
                $out_alpha = $src_alpha + $dst_alpha * (1 - $src_alpha);
                if ($out_alpha > 0) {
                    $out_r = ($src_color['red'] * $src_alpha + $dst_color['red'] * $dst_alpha * (1 - $src_alpha)) / $out_alpha;
                    $out_g = ($src_color['green'] * $src_alpha + $dst_color['green'] * $dst_alpha * (1 - $src_alpha)) / $out_alpha;
                    $out_b = ($src_color['blue'] * $src_alpha + $dst_color['blue'] * $dst_alpha * (1 - $src_alpha)) / $out_alpha;
                    $out_alpha_val = 127 - round($out_alpha * 127);
                } else {
                    $out_r = 0;
                    $out_g = 0;
                    $out_b = 0;
                    $out_alpha_val = 127;
                }
                $out_r = max(0, min(255, round($out_r)));
                $out_g = max(0, min(255, round($out_g)));
                $out_b = max(0, min(255, round($out_b)));
                $out_alpha_val = max(0, min(127, $out_alpha_val));
                $new_color = imagecolorallocatealpha($dst_im, $out_r, $out_g, $out_b, $out_alpha_val);
                if ($new_color === false) {
                    $new_color = imagecolorresolvealpha($dst_im, $out_r, $out_g, $out_b, $out_alpha_val);
                }
                imagesetpixel($dst_im, $dst_x_pos, $dst_y_pos, $new_color);
            }
        }
    }

    public function scan_small_photos($data) {
        $this->loadLanguageSafe();
        $rows = array();
        $dir = realpath(DIR_IMAGE . 'catalog');
        $realImageDir = realpath(DIR_IMAGE);
        $minW = isset($data['module_img_opti_min_width']) ? (int)$data['module_img_opti_min_width'] : 300;
        $minH = isset($data['module_img_opti_min_height']) ? (int)$data['module_img_opti_min_height'] : 300;
        if (!$dir || strpos(str_replace('\\', '/', $dir), str_replace('\\', '/', $realImageDir)) !== 0 || !is_dir($dir)) {
            return array('error' => $this->language->get('text_err_dir'));
        }

        $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS));
        $this->load->model('tool/image');

        foreach ($iterator as $file) {
            if ($file->isFile() && in_array(strtolower($file->getExtension()), array('jpg', 'jpeg', 'png', 'webp'))) {
                $realPath = realpath($file->getPathname());
                if (!$realPath || strpos(str_replace('\\', '/', $realPath), str_replace('\\', '/', $dir)) !== 0) continue;
                $size = @getimagesize($realPath);
                if ($size && ($size[0] < $minW || $size[1] < $minH)) {
                    $relPath = $this->getRelativeImagePath($realPath);
                    $thumb = $this->model_tool_image->resize($relPath, 100, 100);
                    $entities = $this->getEntitiesByImagePath($relPath);
                    $entities_html = !empty($entities) ? implode('<br>', $entities) : '<i>' . $this->language->get('text_no_relations') . '</i>';

                    $rows[] = array(
                        'id' => 'small_photo-' . md5($relPath),
                        'preview' => '<img src="' . $thumb . '" class="img-thumbnail" style="max-width:100px; max-height:100px;">',
                        'name' => '<b>' . htmlspecialchars($relPath, ENT_QUOTES, 'UTF-8') . '</b><br>' . $entities_html,
                        'before' => $this->language->get('text_grid_too_small') . ': ' . $size[0] . 'x' . $size[1] . ' px',
                        'after' => $this->language->get('text_grid_small_photo_after'),
                        'actions' => array(
                            'delete' => $this->language->get('text_action_delete'),
                            'placeholder' => $this->language->get('text_action_placeholder'),
                            'ignore' => $this->language->get('text_action_ignore')
                        ),
                        'selected_action' => 'ignore',
                        'meta' => array(
                            'path' => $relPath
                        )
                    );
                }
            }
        }

        file_put_contents(DIR_CACHE . 'img_opti_small_photos_grid.json', json_encode($rows));

        return array(
            'success' => true,
            'headers' => array(
                $this->language->get('text_th_preview'),
                $this->language->get('text_th_entity'),
                $this->language->get('text_th_before'),
                $this->language->get('text_th_after'),
                $this->language->get('text_th_action')
            ),
            'rows' => $rows,
            'backup_available' => false,
            'quarantine_available' => true,
            'description' => sprintf($this->language->get('text_description_small_photos'), $minW, $minH)
        );
    }

    public function fix_small_photos($data) {
        $selected = isset($data['selected']) ? (array)$data['selected'] : array();
        $fix_all = isset($data['fix_all']) ? (int)$data['fix_all'] : 0;

        $cache_file = DIR_CACHE . 'img_opti_small_photos_grid.json';
        if (!file_exists($cache_file)) {
            return array('error' => $this->language->get('error_no_scan_data'));
        }

        $grid = json_decode(file_get_contents($cache_file), true);
        $rows_map = array();
        foreach ($grid as $row) {
            $rows_map[$row['id']] = $row;
            if ($fix_all === 1 || empty($selected)) {
                $selected[$row['id']] = $row['selected_action'];
            }
        }

        $ph_product_path = DIR_IMAGE . (string)$this->config->get('module_img_opti_ph_product');
        if (!is_file($ph_product_path)) {
            $ph_product_path = DIR_IMAGE . 'no_image.png';
        }

        foreach ($selected as $row_id => $act) {
            if ($act === 'ignore' || !isset($rows_map[$row_id])) continue;
            $row = $rows_map[$row_id];
            $relPath = $row['meta']['path'];
            $fullPath = DIR_IMAGE . $relPath;

            if ($act === 'delete') {
                $this->quarantineFile($relPath, 'small_photos');
            } elseif ($act === 'placeholder') {
                $this->quarantineFile($relPath, 'small_photos');
                if (is_file($ph_product_path)) {
                    @copy($ph_product_path, $fullPath);
                }
            }
        }
        @unlink($cache_file);
        return array('success' => true);
    }

    public function scan_html_broken($data) {
        $this->loadLanguageSafe();
        $rows = array();
        $realImageDir = realpath(DIR_IMAGE);
        $catalog_url = (defined('HTTPS_CATALOG') && HTTPS_CATALOG) ? HTTPS_CATALOG : (defined('HTTP_CATALOG') ? HTTP_CATALOG : '');

        $tables = array(
            'product_description' => array('id' => 'product_id', 'field' => 'description', 'name_field' => 'name', 'route' => 'catalog/product/edit', 'param' => 'product_id', 'type' => 'Product'),
            'category_description' => array('id' => 'category_id', 'field' => 'description', 'name_field' => 'name', 'route' => 'catalog/category/edit', 'param' => 'category_id', 'type' => 'Category'),
            'information_description' => array('id' => 'information_id', 'field' => 'description', 'name_field' => 'title', 'route' => 'catalog/information/edit', 'param' => 'information_id', 'type' => 'Information')
        );

        foreach ($tables as $table => $cfg) {
            if ($table === 'product_description') {
                $query = $this->db->query("SELECT pd.`" . $cfg['id'] . "`, pd.`" . $cfg['field'] . "`, pd.`" . $cfg['name_field'] . "`, p.model FROM `" . DB_PREFIX . $table . "` pd LEFT JOIN `" . DB_PREFIX . "product` p ON (pd.product_id = p.product_id) WHERE pd.language_id = '" . (int)$this->config->get('config_language_id') . "'");
            } else {
                $query = $this->db->query("SELECT `" . $cfg['id'] . "`, `" . $cfg['field'] . "`, `" . $cfg['name_field'] . "` FROM `" . DB_PREFIX . $table . "` WHERE language_id = '" . (int)$this->config->get('config_language_id') . "'");
            }
            foreach ($query->rows as $row) {
                $desc = html_entity_decode($row[$cfg['field']], ENT_QUOTES, 'UTF-8');
                if (preg_match_all('/<img[^>]+src=(?:\"|\')([^"\']+)(?:\"|\')[^>]*>/i', $desc, $matches)) {
                    foreach ($matches[1] as $src) {
                        if (strpos($src, 'image/catalog') !== false) {
                            $rel_path = preg_replace('/^.*image\/(catalog\/.*)$/i', '$1', $src);
                            $rel_path = urldecode($rel_path);
                            $cleanRelPath = str_replace(array('../', '..\\', "\0"), '', $rel_path);
                            $fullPath = realpath(DIR_IMAGE . $cleanRelPath);
                            if (!$fullPath || strpos(str_replace('\\', '/', $fullPath), str_replace('\\', '/', $realImageDir)) !== 0 || !is_file($fullPath)) {
                                $admin_link = $this->url->link($cfg['route'], 'user_token=' . $this->session->data['user_token'] . '&' . $cfg['param'] . '=' . (int)$row[$cfg['id']], true);
                                $search_links = $this->getSearchLinks($row[$cfg['name_field']], ($table === 'product_description' ? $row['model'] : ''));
                                $rows[] = array(
                                    'id' => 'html_broken-' . $table . '-' . (int)$row[$cfg['id']] . '-' . md5($cleanRelPath),
                                    'preview' => '<i class="fa fa-file-code-o text-danger" style="font-size:24px;"></i>',
                                    'name' => '<span class="label label-info">' . $cfg['type'] . '</span> <a href="' . $admin_link . '" target="_blank">' . htmlspecialchars($row[$cfg['name_field']] ? $row[$cfg['name_field']] : $cfg['type'] . ' ID ' . (int)$row[$cfg['id']], ENT_QUOTES, 'UTF-8') . '</a>' . $search_links,
                                    'before' => $this->language->get('text_grid_missing_html') . ': ' . htmlspecialchars($cleanRelPath, ENT_QUOTES, 'UTF-8'),
                                    'after' => $this->language->get('text_grid_html_after'),
                                    'actions' => array(
                                        'remove' => $this->translate('text_action_remove_tag', 'Remove Tag'),
                                        'placeholder' => $this->language->get('text_action_placeholder'),
                                        'ignore' => $this->language->get('text_action_ignore')
                                    ),
                                    'selected_action' => 'remove',
                                    'meta' => array(
                                        'table' => $table,
                                        'id_field' => $cfg['id'],
                                        'id' => (int)$row[$cfg['id']],
                                        'field' => $cfg['field'],
                                        'src' => $src,
                                        'rel_path' => $cleanRelPath
                                    )
                                );
                            }
                        }
                    }
                }
            }
        }

        file_put_contents(DIR_CACHE . 'img_opti_html_broken_grid.json', json_encode($rows));

        return array(
            'success' => true,
            'headers' => array(
                $this->language->get('text_th_preview'),
                $this->language->get('text_th_entity'),
                $this->language->get('text_th_before'),
                $this->language->get('text_th_after'),
                $this->language->get('text_th_action')
            ),
            'rows' => $rows,
            'backup_available' => false,
            'quarantine_available' => false,
            'description' => $this->language->get('text_description_html_broken')
        );
    }

    public function fix_html_broken($data) {
        $selected = isset($data['selected']) ? (array)$data['selected'] : array();
        $fix_all = isset($data['fix_all']) ? (int)$data['fix_all'] : 0;

        $cache_path = DIR_CACHE . 'img_opti_html_broken_grid.json';
        if (!file_exists($cache_path)) {
            return array('success' => true);
        }

        $grid = json_decode(file_get_contents($cache_path), true);
        if (!$grid) return array('success' => true);

        $rows_map = array();
        foreach ($grid as $row) {
            $rows_map[$row['id']] = $row;
            if ($fix_all === 1 || empty($selected)) {
                $selected[$row['id']] = $row['selected_action'];
            }
        }

        $ph_product = (string)$this->config->get('module_img_opti_ph_product');
        if (!$ph_product) $ph_product = 'no_image.png';

        foreach ($selected as $row_id => $act) {
            if ($act === 'ignore' || !isset($rows_map[$row_id])) continue;
            $row = $rows_map[$row_id];
            $meta = $row['meta'];
            $table = preg_replace('/[^a-zA-Z0-9_]/', '', $meta['table']);
            $id_field = preg_replace('/[^a-zA-Z0-9_]/', '', $meta['id_field']);
            $field = preg_replace('/[^a-zA-Z0-9_]/', '', $meta['field']);
            $id = (int)$meta['id'];
            $src = $meta['src'];

            $query = $this->db->query("SELECT `" . $field . "` FROM `" . DB_PREFIX . $table . "` WHERE `" . $id_field . "` = '" . $id . "'");
            if ($query->num_rows) {
                $desc = html_entity_decode($query->row[$field], ENT_QUOTES, 'UTF-8');
                if ($act === 'remove') {
                    $desc = preg_replace('/<img[^>]+src=(?:"|\')' . preg_quote($src, '/') . '(?:"|\')[^>]*>/i', '', $desc);
                } elseif ($act === 'placeholder') {
                    $catalog_url = (defined('HTTPS_CATALOG') && HTTPS_CATALOG) ? HTTPS_CATALOG : (defined('HTTP_CATALOG') ? HTTP_CATALOG : '');
                    $new_src = $catalog_url . 'image/' . $ph_product;
                    $desc = str_replace($src, $new_src, $desc);
                }
                $this->db->query("UPDATE `" . DB_PREFIX . $table . "` SET `" . $field . "` = '" . $this->db->escape($desc) . "' WHERE `" . $id_field . "` = '" . $id . "'");
            }
        }

        @unlink($cache_path);
        return array('success' => true);
    }

    public function scan_folder_tree($data) {
        $this->loadLanguageSafe();
        $dir = realpath(DIR_IMAGE . 'catalog');
        $realImageDir = realpath(DIR_IMAGE);
        if (!$dir || strpos(str_replace('\\', '/', $dir), str_replace('\\', '/', $realImageDir)) !== 0 || !is_dir($dir)) {
            return array('error' => $this->language->get('text_err_dir'));
        }

        $sizes = array();
        $img_sizes = array();
        $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS));
        foreach ($iterator as $file) {
            if ($file->isFile()) {
                $realPath = realpath($file->getPathname());
                if (!$realPath || strpos(str_replace('\\', '/', $realPath), str_replace('\\', '/', $dir)) !== 0) continue;
                $folderPath = $this->mb_dirname($realPath);
                $rel = ltrim(str_replace(str_replace('\\', '/', $realImageDir), '', str_replace('\\', '/', $folderPath)), '/');
                if (!isset($sizes[$rel])) $sizes[$rel] = 0;
                $sizes[$rel] += filesize($realPath);

                $ext = strtolower($file->getExtension());
                if (in_array($ext, array('jpg', 'jpeg', 'png', 'webp'))) {
                    if (!isset($img_sizes[$rel])) $img_sizes[$rel] = 0;
                    $img_sizes[$rel] += filesize($realPath);
                }
            }
        }
        arsort($sizes);

        $rows = array();
        foreach ($sizes as $folder => $size) {
            $img_sz = isset($img_sizes[$folder]) ? $img_sizes[$folder] : 0;
            $estimated_size = ($size - $img_sz) + ($img_sz * 0.65);
            $after_text = $this->formatBytes($estimated_size) . ' (~' . $this->language->get('text_estimated') . ')';

            $rows[] = array(
                'id' => 'folder-' . md5($folder),
                'preview' => '<i class="fa fa-folder text-warning" style="font-size:20px;"></i>',
                'name' => '<b>' . htmlspecialchars($folder, ENT_QUOTES, 'UTF-8') . '</b>',
                'before' => $this->formatBytes($size),
                'after' => $after_text,
                'actions' => array(
                    'ignore' => $this->language->get('text_action_ignore'),
                    'compress' => $this->language->get('text_action_compress'),
                    'archive' => $this->language->get('text_action_archive'),
                    'delete' => $this->language->get('text_action_delete'),
                    'archive_delete' => $this->language->get('text_action_archive_delete')
                ),
                'selected_action' => 'ignore',
                'meta' => array(
                    'path' => $folder
                )
            );
        }

        file_put_contents(DIR_CACHE . 'img_opti_folder_tree_grid.json', json_encode($rows));

        return array(
            'success' => true,
            'headers' => array(
                $this->language->get('text_th_preview'),
                $this->language->get('text_th_entity'),
                $this->language->get('text_th_before'),
                $this->language->get('text_th_after'),
                $this->language->get('text_th_action')
            ),
            'rows' => $rows,
            'backup_available' => false,
            'quarantine_available' => false,
            'description' => $this->language->get('text_description_folder_tree')
        );
    }

    public function fix_folder_tree($data) {
        $selected = isset($data['selected']) ? (array)$data['selected'] : array();
        $fix_all = isset($data['fix_all']) ? (int)$data['fix_all'] : 0;
        
        $cache_file = DIR_CACHE . 'img_opti_folder_tree_grid.json';
        if (!file_exists($cache_file)) {
            return array('error' => $this->language->get('error_no_scan_data'));
        }
        
        $grid = json_decode(file_get_contents($cache_file), true);
        $rows_map = array();
        foreach ($grid as $row) {
            $rows_map[$row['id']] = $row;
            if ($fix_all === 1 || empty($selected)) {
                $selected[$row['id']] = $row['selected_action'];
            }
        }

        $backup_dir = DIR_IMAGE . 'catalog_trash/backup/';
        if (!is_dir($backup_dir)) {
            @mkdir($backup_dir, 0755, true);
        }
        $this->registerModuleFolder('catalog_trash/backup');

        foreach ($selected as $row_id => $act) {
            if ($act === 'ignore' || !isset($rows_map[$row_id])) continue;
            $row = $rows_map[$row_id];
            $relPath = $row['meta']['path'];
            $fullPath = realpath(DIR_IMAGE . $relPath);
            $realImageDir = realpath(DIR_IMAGE);
            if (!$fullPath || strpos(str_replace('\\', '/', $fullPath), str_replace('\\', '/', $realImageDir)) !== 0 || !is_dir($fullPath)) continue;

            if ($relPath === 'catalog' || $relPath === 'catalog/') continue;

            if ($act === 'archive' || $act === 'archive_delete') {
                $zipName = 'archive_folder_' . str_replace('/', '_', trim($relPath, '/')) . '_' . date('Ymd_His') . '.zip';
                $zipPath = $backup_dir . $zipName;
                $this->zipDirectory($fullPath, $zipPath);
            }

            if ($act === 'delete' || $act === 'archive_delete') {
                $this->clearDbLinksForFolder($fullPath);
                $this->cleanDir($fullPath);
            }

            if ($act === 'compress') {
                $maxWidth = (int)$this->config->get('module_img_opti_max_width') ?: 1600;
                $maxHeight = (int)$this->config->get('module_img_opti_max_height') ?: 1600;
                $jpgQ = (int)$this->config->get('module_img_opti_jpg_quality') ?: 75;
                $pngQ = (int)$this->config->get('module_img_opti_png_quality') ?: 7;
                $webpQ = (int)$this->config->get('module_img_opti_webp_quality') ?: 80;
                $engine = $this->config->get('module_img_opti_engine') === 'imagick' && extension_loaded('imagick') ? 'imagick' : 'gd';

                $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($fullPath, RecursiveDirectoryIterator::SKIP_DOTS));
                foreach ($iterator as $file) {
                    $limit = $this->getMemoryLimitInBytesHelper();
                    if ($limit > 0) {
                        if (memory_get_usage(true) > $limit * 0.85) {
                            break;
                        }
                    }
                    if ($file->isFile()) {
                        $ext = strtolower($file->getExtension());
                        if (in_array($ext, array('jpg', 'jpeg', 'png', 'webp'))) {
                            $filePath = $file->getPathname();
                            $tempPath = $filePath . '.tmp';
                            if ($this->optimizeImageHelper($filePath, $tempPath, $maxWidth, $maxHeight, $jpgQ, $pngQ, $webpQ, $engine)) {
                                if (file_exists($tempPath) && filesize($tempPath) > 0 && filesize($tempPath) < filesize($filePath)) {
                                    @unlink($filePath);
                                    @rename($tempPath, $filePath);
                                    if (file_exists($tempPath)) {
                                        @unlink($tempPath);
                                    }
                                } else {
                                    @unlink($tempPath);
                                }
                            }
                        }
                    }
                }
            }
        }
        @unlink($cache_file);
        return array('success' => true);
    }

    private function clearDbLinksForFolder($dir) {
        $realDir = realpath($dir);
        $realImageDir = realpath(DIR_IMAGE);
        if (!$realDir || strpos(str_replace('\\', '/', $realDir), str_replace('\\', '/', $realImageDir)) !== 0 || !is_dir($realDir)) return;
        
        $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($realDir, RecursiveDirectoryIterator::SKIP_DOTS));
        foreach ($iterator as $file) {
            if ($file->isFile()) {
                $filePath = str_replace('\\', '/', $file->getPathname());
                $relPath = ltrim(str_replace(str_replace('\\', '/', $realImageDir), '', $filePath), '/');
                $escaped = $this->db->escape($relPath);
                
                $this->db->query("UPDATE `" . DB_PREFIX . "product` SET image = '' WHERE image = '" . $escaped . "'");
                $this->db->query("DELETE FROM `" . DB_PREFIX . "product_image` WHERE image = '" . $escaped . "'");
                $this->db->query("UPDATE `" . DB_PREFIX . "category` SET image = '' WHERE image = '" . $escaped . "'");
                $this->db->query("UPDATE `" . DB_PREFIX . "manufacturer` SET image = '' WHERE image = '" . $escaped . "'");
                
                $table_query = $this->db->query("SHOW TABLES LIKE '" . DB_PREFIX . "banner_image'");
                if ($table_query->num_rows) {
                    $this->db->query("DELETE FROM `" . DB_PREFIX . "banner_image` WHERE image = '" . $escaped . "'");
                }
                
                $blog_tables = array(
                    'oct_blog_article' => 'image',
                    'simple_blog_article' => 'image',
                    'newsblog_article' => 'image',
                    'information' => 'image'
                );
                foreach ($blog_tables as $table => $column) {
                    $table_query = $this->db->query("SHOW TABLES LIKE '" . DB_PREFIX . $table . "'");
                    if ($table_query->num_rows) {
                        $column_query = $this->db->query("SHOW COLUMNS FROM `" . DB_PREFIX . $table . "` LIKE '" . $column . "'");
                        if ($column_query->num_rows) {
                            try {
                                $this->db->query("UPDATE `" . DB_PREFIX . $table . "` SET `" . $column . "` = '' WHERE `" . $column . "` = '" . $escaped . "'");
                            } catch (Exception $e) {}
                        }
                    }
                }
            }
        }
    }

    private function zipDirectory($source, $destination) {
        if (!class_exists('ZipArchive')) {
            return false;
        }
        $zip = new ZipArchive();
        if (!$zip->open($destination, ZipArchive::CREATE | ZipArchive::OVERWRITE)) {
            return false;
        }
        $source = str_replace('\\', '/', realpath($source));
        if (is_dir($source) === true) {
            $files = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($source), RecursiveIteratorIterator::LEAVES_ONLY);
            foreach ($files as $name => $file) {
                if (!$file->isDir()) {
                    $filePath = $file->getRealPath();
                    $relativePath = substr($filePath, strlen($source) + 1);
                    $zip->addFile($filePath, $relativePath);
                }
            }
        } elseif (is_file($source) === true) {
            $zip->addFromString($this->mb_basename($source), file_get_contents($source));
        }
        return $zip->close();
    }


    private function transliterate($text) {
        $cyr = array('а','б','в','г','д','е','ё','ж','з','и','й','к','л','м','н','о','п','р','с','т','у','ф','х','ц','ч','ш','щ','ъ','ы','ь','э','ю','я','А','Б','В','Г','Д','Е','Ё','Ж','З','И','Й','К','Л','М','Н','О','П','Р','С','Т','У','Ф','Х','Ц','Ч','Ш','Щ','Ъ','Ы','Ь','Э','Ю','Я','є','і','ї','ґ','Є','І','Ї','Ґ','’',' ','!','@','#','$','%','^','&','*','(',')','+','=','[',']','{','}','|','\\',':',';','"',"'",'<','>','?','/','~','`',',');
        $lat = array('a','b','v','g','d','e','e','zh','z','i','y','k','l','m','n','o','p','r','s','t','u','f','h','ts','ch','sh','sch','','y','','e','yu','ya','A','B','V','G','D','E','E','Zh','Z','I','Y','K','L','M','N','O','P','R','S','T','U','F','H','Ts','Ch','Sh','Sch','','Y','','E','Yu','Ya','ye','i','yi','g','Ye','I','Yi','G','_','_','_','_','_','_','_','_','_','_','_','_','_','_','_','_','_','_','_','_','_','_','_','_','_','_','_','_','_','_','_');
        $text = str_replace($cyr, $lat, (string)$text);
        $text = preg_replace('/_+/', '_', $text);
        return strtolower(trim($text, '_'));
    }

    private function formatBytes($bytes) {
        if ($bytes >= 1048576) return round($bytes / 1048576, 2) . ' MB';
        if ($bytes >= 1024) return round($bytes / 1024, 0) . ' KB';
        return $bytes . ' B';
    }

    public function generateCompareUrls($tool, $id) {
        $this->loadLanguageSafe();
        
        $original_path = '';
        $type = '';
        
        if ($tool === 'png_jpg') {
            $grid_file = DIR_CACHE . 'img_opti_png_jpg_grid.json';
            if (!file_exists($grid_file)) {
                return array('error' => $this->language->get('error_no_scan_data'));
            }
            $grid = json_decode(file_get_contents($grid_file), true);
            $found = false;
            foreach ($grid as $row) {
                if ($row['id'] === $id && isset($row['meta']['path'])) {
                    $original_path = $row['meta']['path'];
                    $type = 'png_jpg';
                    $found = true;
                    break;
                }
            }
            if (!$found) {
                return array('error' => $this->language->get('error_row_not_found'));
            }
        } elseif ($tool === 'watermark') {
            if (is_file(DIR_IMAGE . $id)) {
                $original_path = $id;
                $type = 'watermark';
            }
        } elseif ($tool === 'optimization' || $tool === 'compress') {
            if (is_file(DIR_IMAGE . $id)) {
                $original_path = $id;
                $type = 'compress';
            }
        }
        
        if (empty($original_path) || !is_file(DIR_IMAGE . $original_path)) {
            $clean_id = str_replace(array('../', '..\\', "\0"), '', $id);
            if (is_file(DIR_IMAGE . $clean_id)) {
                $original_path = $clean_id;
                if (empty($type)) {
                    $type = 'compress';
                }
            } else {
                return array('error' => $this->language->get('error_file_not_found') ?: 'File not found');
            }
        }
        
        $ext = strtolower($this->mb_pathinfo($original_path, PATHINFO_EXTENSION));
        $catalog_url = (defined('HTTPS_CATALOG') && HTTPS_CATALOG) ? HTTPS_CATALOG : (defined('HTTP_CATALOG') ? HTTP_CATALOG : '');
        
        $compare_dir = DIR_IMAGE . 'cache/compare/';
        if (!is_dir($compare_dir)) {
            @mkdir($compare_dir, 0755, true);
        }
        
        $file_hash = md5($original_path . time());
        $temp_before_name = 'before_' . $file_hash . '.' . $ext;
        $temp_before_path = $compare_dir . $temp_before_name;
        
        @copy(DIR_IMAGE . $original_path, $temp_before_path);
        
        $temp_after_name = 'after_' . $file_hash . '.';
        if ($type === 'png_jpg') {
            $temp_after_name .= 'jpg';
        } else {
            $temp_after_name .= $ext;
        }
        $temp_after_path = $compare_dir . $temp_after_name;
        
        if ($type === 'png_jpg') {
            $this->convertPngToJpgHelper(DIR_IMAGE . $original_path, $temp_after_path);
        } elseif ($type === 'watermark') {
            @copy(DIR_IMAGE . $original_path, $temp_after_path);
            $this->applyDynamicWatermark($temp_after_path, $original_path);
        } else {
            $maxWidth = 1600;
            $maxHeight = 1600;
            $jpgQ = (int)$this->config->get('module_img_opti_jpg_quality') ?: 75;
            $pngQ = (int)$this->config->get('module_img_opti_png_quality') ?: 7;
            $webpQ = (int)$this->config->get('module_img_opti_webp_quality') ?: 80;
            $engine = $this->config->get('module_img_opti_engine') === 'imagick' && extension_loaded('imagick') ? 'imagick' : 'gd';
            
            if (isset($this->request->post['max_width'])) $maxWidth = (int)$this->request->post['max_width'];
            if (isset($this->request->post['max_height'])) $maxHeight = (int)$this->request->post['max_height'];
            if (isset($this->request->post['jpg_quality'])) $jpgQ = (int)$this->request->post['jpg_quality'];
            if (isset($this->request->post['png_quality'])) $pngQ = (int)$this->request->post['png_quality'];
            if (isset($this->request->post['webp_quality'])) $webpQ = (int)$this->request->post['webp_quality'];
            
            $this->optimizeImageHelper(DIR_IMAGE . $original_path, $temp_after_path, $maxWidth, $maxHeight, $jpgQ, $pngQ, $webpQ, $engine);
        }
        
        $url_before = $catalog_url . 'image/cache/compare/' . $temp_before_name;
        $url_after = $catalog_url . 'image/cache/compare/' . $temp_after_name;
        
        $size_before = filesize(DIR_IMAGE . $original_path);
        $size_after = file_exists($temp_after_path) ? filesize($temp_after_path) : 0;
        
        return array(
            'success' => true,
            'before' => $url_before,
            'after' => $url_after,
            'size_before' => $this->formatBytes($size_before),
            'size_after' => $this->formatBytes($size_after),
            'saving' => ($size_before > 0) ? round((($size_before - $size_after) / $size_before) * 100, 1) : 0
        );
    }

    public function convertPngToJpgHelper($src, $dest) {
        $img = @imagecreatefrompng($src);
        if ($img) {
            if (function_exists('imagepalettetotruecolor') && !imageistruecolor($img)) {
                imagepalettetotruecolor($img);
            }
            imagealphablending($img, true);
            $bg = imagecreatetruecolor(imagesx($img), imagesy($img));
            imagefill($bg, 0, 0, imagecolorallocate($bg, 255, 255, 255));
            imagecopy($bg, $img, 0, 0, 0, 0, imagesx($img), imagesy($img));
            $res = imagejpeg($bg, $dest, 85);
            imagedestroy($img);
            imagedestroy($bg);
            return $res;
        }
        return false;
    }

    public function optimizeImageHelper($src, $dest, $maxWidth, $maxHeight, $jpgQuality, $pngCompression, $webpQuality, $engine = 'gd') {
        if ($engine == 'imagick' && extension_loaded('imagick')) {
            try {
                $img = new Imagick($src);
                $img->transformImageColorspace(Imagick::COLORSPACE_SRGB);
                $width = $img->getImageWidth();
                $height = $img->getImageHeight();
                $ext = strtolower($this->mb_pathinfo($src, PATHINFO_EXTENSION));
                if (($maxWidth > 0 && $width > $maxWidth) || ($maxHeight > 0 && $height > $maxHeight)) {
                    $targetW = $maxWidth;
                    $targetH = $maxHeight;
                    if ($targetW == 0) {
                        $targetW = (int)round($width * ($targetH / $height));
                    }
                    if ($targetH == 0) {
                        $targetH = (int)round($height * ($targetW / $width));
                    }
                    $img->resizeImage($targetW, $targetH, Imagick::FILTER_LANCZOS, 1, true);
                }
                $img->stripImage();
                if ($ext === 'png') {
                    $img->setImageFormat('png');
                    $img->setCompressionQuality($pngCompression * 10);
                } elseif ($ext === 'webp') {
                    $img->setImageFormat('webp');
                    $img->setCompressionQuality($webpQuality);
                } else {
                    $img->setImageFormat('jpeg');
                    $img->setImageCompression(Imagick::COMPRESSION_JPEG);
                    $img->setCompressionQuality($jpgQuality);
                }
                return $img->writeImage($dest);
            } catch (Exception $e) {
                $engine = 'gd';
            }
        }

        if ($engine == 'gd') {
            $img = @imagecreatefromstring(file_get_contents($src));
            if (!$img) return false;
            if (function_exists('imagepalettetotruecolor') && !imageistruecolor($img)) {
                imagepalettetotruecolor($img);
            }
            $width = imagesx($img);
            $height = imagesy($img);
            $ext = strtolower($this->mb_pathinfo($src, PATHINFO_EXTENSION));
            if ($ext === 'png' || $ext === 'webp') {
                imagealphablending($img, false);
                imagesavealpha($img, true);
            }
            if (($maxWidth > 0 && $width > $maxWidth) || ($maxHeight > 0 && $height > $maxHeight)) {
                $ratioX = ($maxWidth > 0) ? ($maxWidth / $width) : 1;
                $ratioY = ($maxHeight > 0) ? ($maxHeight / $height) : 1;
                $ratio = min($ratioX, $ratioY);
                $newW = (int)($width * $ratio);
                $newH = (int)($height * $ratio);
                $newImg = imagecreatetruecolor($newW, $newH);
                if ($ext === 'png' || $ext === 'webp') {
                    imagealphablending($newImg, false);
                    imagesavealpha($newImg, true);
                    $transparent = imagecolorallocatealpha($newImg, 255, 255, 255, 127);
                    imagefill($newImg, 0, 0, $transparent);
                } else {
                    $white = imagecolorallocate($newImg, 255, 255, 255);
                    imagefill($newImg, 0, 0, $white);
                }
                imagecopyresampled($newImg, $img, 0, 0, 0, 0, $newW, $newH, $width, $height);
                imagedestroy($img);
                $img = $newImg;
            }
            $res = false;
            if ($ext === 'png') {
                $res = imagepng($img, $dest, $pngCompression);
            } elseif ($ext === 'webp' && function_exists('imagewebp')) {
                $res = imagewebp($img, $dest, $webpQuality);
            } else {
                $res = imagejpeg($img, $dest, $jpgQuality);
            }
            imagedestroy($img);
            return $res;
        }
        return false;
    }

    private function safe_utf8($str) {
        $str = (string)$str;
        if (mb_check_encoding($str, 'UTF-8')) {
            return $str;
        }
        $converted = @mb_convert_encoding($str, 'UTF-8', 'Windows-1251');
        return $converted ? $converted : $str;
    }

    public function scan_sanitizer($data = array()) {
        $this->loadLanguageSafe();
        $rows = array();
        $dir = realpath(DIR_IMAGE . 'catalog');
        $realImageDir = realpath(DIR_IMAGE);
        if (!$dir || strpos(str_replace('\\', '/', $dir), str_replace('\\', '/', $realImageDir)) !== 0 || !is_dir($dir)) {
            return array('error' => $this->language->get('text_err_dir'));
        }

        $limit = isset($data['module_img_opti_sanitizer_limit']) ? (int)$data['module_img_opti_sanitizer_limit'] : 100;
        if ($limit <= 0) $limit = 100;

        $sz_translit = isset($data['module_img_opti_sz_translit']) ? (int)$data['module_img_opti_sz_translit'] : 1;
        $sz_spaces = isset($data['module_img_opti_sz_spaces']) ? (int)$data['module_img_opti_sz_spaces'] : 1;
        $sz_special = isset($data['module_img_opti_sz_special']) ? (int)$data['module_img_opti_sz_special'] : 1;
        $sz_lowercase_name = isset($data['module_img_opti_sz_lowercase_name']) ? (int)$data['module_img_opti_sz_lowercase_name'] : 1;
        $sz_lowercase_ext = isset($data['module_img_opti_sz_lowercase_ext']) ? (int)$data['module_img_opti_sz_lowercase_ext'] : 1;
        $sz_normalize_ext = isset($data['module_img_opti_sz_normalize_ext']) ? (int)$data['module_img_opti_sz_normalize_ext'] : 1;

        $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS));
        $this->load->model('tool/image');

        $assigned_paths = array();
        foreach ($iterator as $file) {
            if ($file->isFile()) {
                $realPath = realpath($file->getPathname());
                if ($realPath && strpos(str_replace('\\', '/', $realPath), str_replace('\\', '/', $dir)) === 0) {
                    $relPath = $this->getRelativeImagePath($realPath);
                    $filename = $this->mb_basename($relPath);
                    $proposedRel = $this->sanitizeRelativePath($relPath, $sz_translit, $sz_spaces, $sz_special, $sz_lowercase_name, $sz_lowercase_ext, $sz_normalize_ext);

                    if ($relPath !== $proposedRel) {
                        $proposedFullPath = DIR_IMAGE . $proposedRel;
                        if (file_exists($proposedFullPath) || isset($assigned_paths[$proposedRel]) || $this->isPathUsedInDb($proposedRel)) {
                            $ext = $this->mb_pathinfo($proposedRel, PATHINFO_EXTENSION);
                            $filename_no_ext = $this->mb_pathinfo($proposedRel, PATHINFO_FILENAME);
                            $dirname = $this->mb_pathinfo($proposedRel, PATHINFO_DIRNAME);
                            $dir_prefix = ($dirname === '.' || $dirname === '') ? '' : $dirname . '/';
                            
                            $counter = 1;
                            while (true) {
                                $candidate = $dir_prefix . $filename_no_ext . '_' . $counter . ($ext !== '' ? '.' . $ext : '');
                                if (!file_exists(DIR_IMAGE . $candidate) && !isset($assigned_paths[$candidate]) && !$this->isPathUsedInDb($candidate)) {
                                    $proposedRel = $candidate;
                                    break;
                                }
                                $counter++;
                            }
                        }
                        
                        $assigned_paths[$proposedRel] = true;
                        
                        $thumb = $this->model_tool_image->resize($relPath, 100, 100);
                        $entities = $this->getEntitiesByImagePath($relPath);
                        $entities_html = !empty($entities) ? implode('<br>', $entities) : '<i>' . $this->language->get('text_no_relations') . '</i>';

                        $rows[] = array(
                            'id' => 'sanitizer-' . md5($relPath),
                            'preview' => '<img src="' . $thumb . '" class="img-thumbnail" style="max-width:100px; max-height:100px;">',
                            'name' => '<b>' . htmlspecialchars($relPath, ENT_QUOTES, 'UTF-8') . '</b><br>' . $entities_html,
                            'before' => $filename,
                            'after' => $this->mb_basename($proposedRel),
                            'actions' => array(
                                'rename' => $this->language->get('text_action_apply_changes'),
                                'ignore' => $this->language->get('text_action_ignore')
                            ),
                            'selected_action' => 'rename',
                            'meta' => array(
                                'path' => $relPath,
                                'new_path' => $proposedRel
                            )
                        );
                        if (count($rows) >= $limit) {
                            break;
                        }
                    }
                }
            }
        }

        file_put_contents(DIR_CACHE . 'img_opti_sanitizer_grid.json', json_encode($rows));

        return array(
            'success' => true,
            'headers' => array(
                $this->language->get('text_th_preview'),
                $this->language->get('text_th_entity'),
                $this->language->get('text_th_before'),
                $this->language->get('text_th_after'),
                $this->language->get('text_th_action')
            ),
            'rows' => $rows,
            'backup_available' => true,
            'quarantine_available' => true,
            'description' => $this->language->get('text_description_sanitizer')
        );
    }

    public function fix_sanitizer($data) {
        $this->backupCatalogTables('sanitizer');
        $selected = isset($data['selected']) ? (array)$data['selected'] : array();
        $fix_all = isset($data['fix_all']) ? (int)$data['fix_all'] : 0;

        $grid = json_decode(file_get_contents(DIR_CACHE . 'img_opti_sanitizer_grid.json'), true);
        $rows_map = array();
        foreach ($grid as $row) {
            $rows_map[$row['id']] = $row;
            if ($fix_all === 1 || empty($selected)) {
                $selected[$row['id']] = $row['selected_action'];
            }
        }

        $realImageDir = realpath(DIR_IMAGE);

        foreach ($selected as $row_id => $act) {
            if ($act !== 'rename' || !isset($rows_map[$row_id])) continue;
            $row = $rows_map[$row_id];
            $cleanBadFile = str_replace(array('../', '..\\', "\0"), '', (string)$row['meta']['path']);
            $fullPath = realpath(DIR_IMAGE . $cleanBadFile);
            if (!$fullPath || strpos(str_replace('\\', '/', $fullPath), str_replace('\\', '/', $realImageDir)) !== 0 || !is_file($fullPath)) continue;

            $newRel = (string)$row['meta']['new_path'];
            $newFullPathStr = DIR_IMAGE . $newRel;
            $newDirStr = $this->mb_dirname($newFullPathStr);
            if (!is_dir($newDirStr)) {
                @mkdir($newDirStr, 0755, true);
            }
            $realNewDir = realpath($newDirStr);
            if (!$realNewDir || strpos(str_replace('\\', '/', $realNewDir), str_replace('\\', '/', $realImageDir)) !== 0) continue;
            $newFullPath = $realNewDir . DIRECTORY_SEPARATOR . $this->mb_basename($newFullPathStr);

            if (@copy($fullPath, $newFullPath)) {
                $dbOld = $this->db->escape($cleanBadFile);
                $dbNew = $this->db->escape($newRel);
                
                $this->db->query("UPDATE `" . DB_PREFIX . "product` SET image = '" . $dbNew . "' WHERE image = '" . $dbOld . "'");
                $this->db->query("UPDATE `" . DB_PREFIX . "product_image` SET image = '" . $dbNew . "' WHERE image = '" . $dbOld . "'");
                $this->db->query("UPDATE `" . DB_PREFIX . "category` SET image = '" . $dbNew . "' WHERE image = '" . $dbOld . "'");
                $this->db->query("UPDATE `" . DB_PREFIX . "manufacturer` SET image = '" . $dbNew . "' WHERE image = '" . $dbOld . "'");
                
                $table_query = $this->db->query("SHOW TABLES LIKE '" . DB_PREFIX . "banner_image'");
                if ($table_query->num_rows) {
                    $this->db->query("UPDATE `" . DB_PREFIX . "banner_image` SET image = '" . $dbNew . "' WHERE image = '" . $dbOld . "'");
                }
                
                $blog_tables = array(
                    'oct_blog_article' => 'image',
                    'simple_blog_article' => 'image',
                    'newsblog_article' => 'image',
                    'information' => 'image'
                );
                foreach ($blog_tables as $table => $column) {
                    $table_query = $this->db->query("SHOW TABLES LIKE '" . DB_PREFIX . $table . "'");
                    if ($table_query->num_rows) {
                        $column_query = $this->db->query("SHOW COLUMNS FROM `" . DB_PREFIX . $table . "` LIKE '" . $column . "'");
                        if ($column_query->num_rows) {
                            try {
                                $this->db->query("UPDATE `" . DB_PREFIX . $table . "` SET `" . $column . "` = '" . $dbNew . "' WHERE `" . $column . "` = '" . $dbOld . "'");
                            } catch (Exception $e) {}
                        }
                    }
                }
                
                $this->quarantineFile($cleanBadFile, 'sanitizer');
            }
        }
        @unlink(DIR_CACHE . 'img_opti_sanitizer_grid.json');
        return array('success' => true);
    }

    private function sanitizeRelativePath($relPath, $sz_translit, $sz_spaces, $sz_special, $sz_lowercase_name, $sz_lowercase_ext, $sz_normalize_ext) {
        $parts = explode('/', str_replace('\\', '/', $relPath));
        $newParts = array();
        for ($i = 0; $i < count($parts) - 1; $i++) {
            $part = $parts[$i];
            if ($part === 'catalog' || $part === '') {
                $newParts[] = $part;
            } else {
                $newParts[] = $this->sanitizePathSegment($part, $sz_translit, $sz_spaces, $sz_special, $sz_lowercase_name);
            }
        }
        $filename = end($parts);
        if ($filename !== '') {
            $ext = $this->mb_pathinfo($filename, PATHINFO_EXTENSION);
            $nameOnly = $this->mb_pathinfo($filename, PATHINFO_FILENAME);
            $newName = $this->sanitizePathSegment($nameOnly, $sz_translit, $sz_spaces, $sz_special, $sz_lowercase_name);
            $newExt = $ext;
            if ($sz_lowercase_ext) {
                $newExt = function_exists('mb_strtolower') ? mb_strtolower($newExt, 'UTF-8') : strtolower($newExt);
            }
            if ($sz_normalize_ext) {
                if (strtolower($newExt) === 'jpeg') {
                    $newExt = 'jpg';
                }
            }
            $cleanName = $newName . ($newExt !== '' ? '.' . $newExt : '');
            $newParts[] = $cleanName;
        }
        return implode('/', $newParts);
    }

    private function sanitizePathSegment($segment, $sz_translit, $sz_spaces, $sz_special, $sz_lowercase) {
        $newSegment = $segment;
        if ($sz_translit) {
            $newSegment = $this->transliterate($newSegment);
        }
        if ($sz_spaces) {
            $newSegment = str_replace(' ', '_', $newSegment);
        }
        if ($sz_special) {
            $newSegment = preg_replace('/[^a-zA-Z0-9_\-\.]/', '', $newSegment);
        }
        if ($sz_lowercase) {
            $newSegment = function_exists('mb_strtolower') ? mb_strtolower($newSegment, 'UTF-8') : strtolower($newSegment);
        }
        $newSegment = preg_replace('/_+/', '_', $newSegment);
        $newSegment = preg_replace('/\-+/', '-', $newSegment);
        $newSegment = trim($newSegment, '_-');
        
        if ($newSegment === '') {
            $fallback = $this->transliterate($segment);
            if ($sz_special) {
                $fallback = preg_replace('/[^a-zA-Z0-9_\-\.]/', '', $fallback);
            }
            if ($sz_lowercase) {
                $fallback = function_exists('mb_strtolower') ? mb_strtolower($fallback, 'UTF-8') : strtolower($fallback);
            }
            $fallback = trim(preg_replace('/_+/', '_', str_replace(' ', '_', $fallback)), '_-');
            if ($fallback !== '') {
                $newSegment = $fallback;
            } else {
                $newSegment = 'img_' . substr(md5($segment), 0, 8);
            }
        }
        return $newSegment;
    }

    private function translate($key, $default = '') {
        if (isset($this->translations[$key])) {
            return $this->translations[$key];
        }
        return $default ? $default : $key;
    }

    private function loadLanguageSafe() {
        $data = array();
        $en_paths = array(
            DIR_LANGUAGE . 'en-gb/extension/module/img_opti.php',
            DIR_LANGUAGE . 'english/extension/module/img_opti.php'
        );
        foreach ($en_paths as $path) {
            if (is_file($path)) {
                $_ = array();
                require($path);
                $data = array_merge($data, $_);
                break;
            }
        }
        $lang = $this->config->get('config_admin_language');
        if (!$lang) {
            $lang = $this->config->get('config_language');
        }
        if (isset($this->session->data['language'])) {
            $lang = $this->session->data['language'];
        }
        if (!$lang) {
            $lang = 'en-gb';
        }
        $lang_lower = strtolower((string)$lang);
        if ($lang_lower && $lang_lower !== 'en-gb' && $lang_lower !== 'english') {
            $paths = array(
                DIR_LANGUAGE . $lang . '/extension/module/img_opti.php',
                DIR_LANGUAGE . $lang_lower . '/extension/module/img_opti.php'
            );
            
            if (isset($this->db)) {
                try {
                    $escaped_lang = $this->db->escape($lang);
                    $query_lang = $this->db->query("SELECT directory FROM `" . DB_PREFIX . "language` WHERE code = '" . $escaped_lang . "' OR directory = '" . $escaped_lang . "' LIMIT 1");
                    if ($query_lang && $query_lang->num_rows && !empty($query_lang->row['directory'])) {
                        $db_dir = $query_lang->row['directory'];
                        $paths[] = DIR_LANGUAGE . $db_dir . '/extension/module/img_opti.php';
                        $paths[] = DIR_LANGUAGE . strtolower($db_dir) . '/extension/module/img_opti.php';
                    }
                } catch (Exception $e) {}
            }

            if (strpos($lang_lower, 'ru') !== false || strpos($lang_lower, 'rus') !== false) {
                $paths[] = DIR_LANGUAGE . 'ru-ru/extension/module/img_opti.php';
                $paths[] = DIR_LANGUAGE . 'russian/extension/module/img_opti.php';
                $paths[] = DIR_LANGUAGE . 'ru-RU/extension/module/img_opti.php';
                $paths[] = DIR_LANGUAGE . 'ru/extension/module/img_opti.php';
            } elseif (strpos($lang_lower, 'uk') !== false || strpos($lang_lower, 'ua') !== false || strpos($lang_lower, 'ukr') !== false) {
                $paths[] = DIR_LANGUAGE . 'uk-ua/extension/module/img_opti.php';
                $paths[] = DIR_LANGUAGE . 'ukrainian/extension/module/img_opti.php';
                $paths[] = DIR_LANGUAGE . 'uk-UA/extension/module/img_opti.php';
                $paths[] = DIR_LANGUAGE . 'uk/extension/module/img_opti.php';
                $paths[] = DIR_LANGUAGE . 'ua/extension/module/img_opti.php';
                $paths[] = DIR_LANGUAGE . 'uk_ua/extension/module/img_opti.php';
                $paths[] = DIR_LANGUAGE . 'uk_UA/extension/module/img_opti.php';
            }
            foreach ($paths as $path) {
                if (is_file($path)) {
                    $_ = array();
                    require($path);
                    $data = array_merge($data, $_);
                    break;
                }
            }
        }
        foreach ($data as $key => $value) {
            $this->language->set($key, $value);
        }
        $this->translations = $data;
        return $data;
    }

    private function getMemoryLimitInBytesHelper() {
        $limit = ini_get('memory_limit');
        if (!$limit || (int)$limit === -1) return 512 * 1024 * 1024;
        $unit = strtolower(substr($limit, -1));
        $bytes = (int)$limit;
        switch ($unit) {
            case 'g': $bytes *= 1024;
            case 'm': $bytes *= 1024;
            case 'k': $bytes *= 1024;
        }
        return $bytes;
    }

    public function scan_cmyk($data) {
        $this->loadLanguageSafe();
        $rows = array();
        $dir = realpath(DIR_IMAGE . 'catalog');
        $realImageDir = realpath(DIR_IMAGE);
        if (!$dir || strpos(str_replace('\\', '/', $dir), str_replace('\\', '/', $realImageDir)) !== 0 || !is_dir($dir)) {
            return array('error' => $this->language->get('text_err_dir'));
        }

        $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS));
        $this->load->model('tool/image');

        foreach ($iterator as $file) {
            if ($file->isFile() && in_array(strtolower($file->getExtension()), array('jpg', 'jpeg'))) {
                $realPath = realpath($file->getPathname());
                if ($realPath && strpos(str_replace('\\', '/', $realPath), str_replace('\\', '/', $dir)) === 0) {
                    $imgSize = @getimagesize($realPath);
                    if ($imgSize) {
                        $is_cmyk = false;
                        if (isset($imgSize['channels']) && $imgSize['channels'] == 4) {
                            $is_cmyk = true;
                        }
                        if (extension_loaded('imagick')) {
                            try {
                                $img = new Imagick($realPath);
                                if ($img->getImageColorspace() == Imagick::COLORSPACE_CMYK) {
                                    $is_cmyk = true;
                                }
                                $img->clear(); $img->destroy();
                            } catch (Exception $e) {}
                        }
                        if ($is_cmyk) {
                            $relPath = $this->getRelativeImagePath($realPath);
                            $thumb = $this->model_tool_image->resize($relPath, 100, 100);
                            $entities = $this->getEntitiesByImagePath($relPath);
                            $entities_html = !empty($entities) ? implode('<br>', $entities) : '<i>' . $this->language->get('text_no_relations') . '</i>';
                            $size = filesize($realPath);
                            $rows[] = array(
                                'id' => 'cmyk-' . md5($relPath),
                                'preview' => '<img src="' . $thumb . '" class="img-thumbnail" style="max-width:100px; max-height:100px;">',
                                'name' => '<b>' . htmlspecialchars($relPath, ENT_QUOTES, 'UTF-8') . '</b><br>' . $entities_html,
                                'before' => 'CMYK',
                                'after' => 'sRGB',
                                'actions' => array(
                                    'convert' => $this->translate('text_action_convert_rgb', 'Convert to RGB'),
                                    'ignore' => $this->language->get('text_action_ignore')
                                ),
                                'selected_action' => 'convert',
                                'meta' => array(
                                    'path' => $relPath
                                )
                            );
                        }
                    }
                }
            }
        }

        file_put_contents(DIR_CACHE . 'img_opti_cmyk_grid.json', json_encode($rows));

        return array(
            'success' => true,
            'headers' => array(
                $this->language->get('text_th_preview'),
                $this->language->get('text_th_entity'),
                $this->language->get('text_th_before'),
                $this->language->get('text_th_after'),
                $this->language->get('text_th_action')
            ),
            'rows' => $rows,
            'backup_available' => true,
            'quarantine_available' => false,
            'description' => $this->translate('text_description_cmyk', 'Found JPEGs in CMYK colorspace. Conversion to sRGB ensures they are displayed correctly on all platforms, including iOS/macOS.')
        );
    }

    public function fix_cmyk($data) {
        $this->backupCatalogTables('cmyk');
        $selected = isset($data['selected']) ? (array)$data['selected'] : array();
        $fix_all = isset($data['fix_all']) ? (int)$data['fix_all'] : 0;

        $grid = json_decode(file_get_contents(DIR_CACHE . 'img_opti_cmyk_grid.json'), true);
        $rows_map = array();
        if ($grid) {
            foreach ($grid as $row) {
                $rows_map[$row['id']] = $row;
                if ($fix_all === 1 || empty($selected)) {
                    $selected[$row['id']] = $row['selected_action'];
                }
            }
        }

        $realImageDir = realpath(DIR_IMAGE);

        foreach ($selected as $row_id => $act) {
            if ($act !== 'convert' || !isset($rows_map[$row_id])) continue;
            $row = $rows_map[$row_id];
            $relPath = str_replace(array('../', '..\\', "\0"), '', (string)$row['meta']['path']);
            $fullPath = realpath(DIR_IMAGE . $relPath);
            if (!$fullPath || strpos(str_replace('\\', '/', $fullPath), str_replace('\\', '/', $realImageDir)) !== 0 || !is_file($fullPath)) continue;

            if ($this->normalizeCmykToRgbJpeg($fullPath, 90)) {
                $this->deleteImageCache($relPath);
            }
        }
        @unlink(DIR_CACHE . 'img_opti_cmyk_grid.json');
        return array('success' => true);
    }

    public function scan_heavy_files($data) {
        $this->loadLanguageSafe();
        $rows = array();
        $dir = realpath(DIR_IMAGE . 'catalog');
        $realImageDir = realpath(DIR_IMAGE);
        if (!$dir || strpos(str_replace('\\', '/', $dir), str_replace('\\', '/', $realImageDir)) !== 0 || !is_dir($dir)) {
            return array('error' => $this->language->get('text_err_dir'));
        }

        $limit = isset($data['module_img_opti_heavy_limit']) ? (int)$data['module_img_opti_heavy_limit'] : 20;
        if ($limit <= 0) $limit = 20;

        $min_size = isset($data['module_img_opti_heavy_min_size']) ? (int)$data['module_img_opti_heavy_min_size'] : 500;
        if ($min_size < 0) $min_size = 500;
        $min_size_bytes = $min_size * 1024;

        $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS));
        
        $all_files = array();
        foreach ($iterator as $file) {
            if ($file->isFile() && in_array(strtolower($file->getExtension()), array('jpg', 'jpeg', 'png', 'webp'))) {
                $realPath = realpath($file->getPathname());
                if ($realPath && strpos(str_replace('\\', '/', $realPath), str_replace('\\', '/', $dir)) === 0) {
                    $size = filesize($realPath);
                    if ($size >= $min_size_bytes) {
                        $all_files[$realPath] = $size;
                    }
                }
            }
        }

        arsort($all_files);
        $top_files = array_slice($all_files, 0, $limit, true);

        $this->load->model('tool/image');

        foreach ($top_files as $realPath => $size) {
            $relPath = $this->getRelativeImagePath($realPath);
            $thumb = $this->model_tool_image->resize($relPath, 100, 100);
            $entities = $this->getEntitiesByImagePath($relPath);
            $entities_html = !empty($entities) ? implode('<br>', $entities) : '<i>' . $this->language->get('text_no_relations') . '</i>';
            
            $w = 0; $h = 0;
            $imgSize = @getimagesize($realPath);
            if ($imgSize) {
                $w = $imgSize[0];
                $h = $imgSize[1];
            }

            $rows[] = array(
                'id' => 'heavy-' . md5($relPath),
                'preview' => '<img src="' . $thumb . '" class="img-thumbnail" style="max-width:100px; max-height:100px;">',
                'name' => '<b>' . htmlspecialchars($relPath, ENT_QUOTES, 'UTF-8') . '</b><br>' . $entities_html,
                'before' => $this->formatBytes($size) . ($w ? ' (' . $w . 'x' . $h . 'px)' : ''),
                'after' => $this->translate('text_action_compress', 'Compress'),
                'actions' => array(
                    'compress' => $this->translate('text_action_compress', 'Compress'),
                    'ignore' => $this->language->get('text_action_ignore')
                ),
                'selected_action' => 'compress',
                'meta' => array(
                    'path' => $relPath
                )
            );
        }

        file_put_contents(DIR_CACHE . 'img_opti_heavy_files_grid.json', json_encode($rows));

        return array(
            'success' => true,
            'headers' => array(
                $this->language->get('text_th_preview'),
                $this->language->get('text_th_entity'),
                $this->language->get('text_th_before'),
                $this->language->get('text_th_after'),
                $this->language->get('text_th_action')
            ),
            'rows' => $rows,
            'backup_available' => true,
            'quarantine_available' => false,
            'description' => sprintf($this->translate('text_description_heavy', 'List of the top %d heaviest files in the image directory. You can optimize them here directly.'), $limit)
        );
    }

    public function fix_heavy_files($data) {
        $this->backupCatalogTables('heavy_files');
        $selected = isset($data['selected']) ? (array)$data['selected'] : array();
        $fix_all = isset($data['fix_all']) ? (int)$data['fix_all'] : 0;

        $grid = json_decode(file_get_contents(DIR_CACHE . 'img_opti_heavy_files_grid.json'), true);
        $rows_map = array();
        if ($grid) {
            foreach ($grid as $row) {
                $rows_map[$row['id']] = $row;
                if ($fix_all === 1 || empty($selected)) {
                    $selected[$row['id']] = $row['selected_action'];
                }
            }
        }

        $realImageDir = realpath(DIR_IMAGE);
        
        $maxWidth = (int)$this->config->get('module_img_opti_max_width');
        if (!$maxWidth) $maxWidth = 1600;
        $maxHeight = (int)$this->config->get('module_img_opti_max_height');
        if (!$maxHeight) $maxHeight = 1600;
        $jpgQ = (int)$this->config->get('module_img_opti_jpg_quality');
        if (!$jpgQ) $jpgQ = 72;
        $pngQ = (int)$this->config->get('module_img_opti_png_quality');
        if (!$pngQ) $pngQ = 7;
        $webpQ = (int)$this->config->get('module_img_opti_webp_quality');
        if (!$webpQ) $webpQ = 80;
        $engine = $this->config->get('module_img_opti_engine') == 'imagick' && extension_loaded('imagick') ? 'imagick' : 'gd';

        foreach ($selected as $row_id => $act) {
            if ($act !== 'compress' || !isset($rows_map[$row_id])) continue;
            $row = $rows_map[$row_id];
            $relPath = str_replace(array('../', '..\\', "\0"), '', (string)$row['meta']['path']);
            $fullPath = realpath(DIR_IMAGE . $relPath);
            if (!$fullPath || strpos(str_replace('\\', '/', $fullPath), str_replace('\\', '/', $realImageDir)) !== 0 || !is_file($fullPath)) continue;

            $tempPath = DIR_CACHE . 'opti_temp_heavy_' . md5($fullPath);
            if ($this->optimizeImageHelper($fullPath, $tempPath, $maxWidth, $maxHeight, $jpgQ, $pngQ, $webpQ, $engine)) {
                if (file_exists($tempPath)) {
                    @unlink($fullPath);
                    if (@rename($tempPath, $fullPath)) {
                        $this->deleteImageCache($relPath);
                    } else {
                        if (@copy($tempPath, $fullPath)) {
                            @unlink($tempPath);
                            $this->deleteImageCache($relPath);
                        }
                    }
                }
            }
        }
        @unlink(DIR_CACHE . 'img_opti_heavy_files_grid.json');
        return array('success' => true);
    }

    private function deleteImageCache($relPath) {
        $info = $this->mb_pathinfo($relPath);
        if (!isset($info['filename'])) return;
        $filename = $info['filename'];
        $cache_dir = realpath(DIR_IMAGE . 'cache');
        if (!$cache_dir || !is_dir($cache_dir)) return;

        try {
            $iterator = new RecursiveIteratorIterator(
                new RecursiveDirectoryIterator($cache_dir, RecursiveDirectoryIterator::SKIP_DOTS),
                RecursiveIteratorIterator::CHILD_FIRST
            );

            foreach ($iterator as $file) {
                if ($file->isFile()) {
                    $fn = $file->getFilename();
                    if (strpos($fn, $filename . '-') === 0 || strpos($fn, $filename . '.') === 0 || strpos($fn, $filename . '_') === 0) {
                        @unlink($file->getPathname());
                    }
                }
            }
        } catch (\Exception $e) {}
    }

    private function mb_pathinfo($path, $options = null) {
        $ret = array('dirname' => '', 'basename' => '', 'extension' => '', 'filename' => '');
        $path = str_replace('\\', '/', $path);
        $last_slash = strrpos($path, '/');
        if ($last_slash !== false) {
            $ret['dirname'] = substr($path, 0, $last_slash);
            $basename = substr($path, $last_slash + 1);
        } else {
            $basename = $path;
        }
        $ret['basename'] = $basename;
        $last_dot = strrpos($basename, '.');
        if ($last_dot !== false) {
            $ret['filename'] = substr($basename, 0, $last_dot);
            $ret['extension'] = substr($basename, $last_dot + 1);
        } else {
            $ret['filename'] = $basename;
        }
        if ($options === PATHINFO_DIRNAME) return $ret['dirname'];
        if ($options === PATHINFO_BASENAME) return $ret['basename'];
        if ($options === PATHINFO_EXTENSION) return $ret['extension'];
        if ($options === PATHINFO_FILENAME) return $ret['filename'];
        return $ret;
    }

    private function isPathUsedInDb($path) {
        $escaped = $this->db->escape((string)$path);
        $query = $this->db->query("SELECT product_id FROM `" . DB_PREFIX . "product` WHERE image = '" . $escaped . "' LIMIT 1");
        if ($query->num_rows) return true;
        $query = $this->db->query("SELECT product_id FROM `" . DB_PREFIX . "product_image` WHERE image = '" . $escaped . "' LIMIT 1");
        if ($query->num_rows) return true;
        $query = $this->db->query("SELECT category_id FROM `" . DB_PREFIX . "category` WHERE image = '" . $escaped . "' LIMIT 1");
        if ($query->num_rows) return true;
        $query = $this->db->query("SELECT manufacturer_id FROM `" . DB_PREFIX . "manufacturer` WHERE image = '" . $escaped . "' LIMIT 1");
        if ($query->num_rows) return true;
        return false;
    }

    private function mb_dirname($path) {
        $path = str_replace('\\', '/', $path);
        $last_slash = strrpos($path, '/');
        if ($last_slash !== false) {
            return substr($path, 0, $last_slash);
        }
        return '.';
    }

    private function mb_basename($path) {
        $path = str_replace('\\', '/', $path);
        $parts = explode('/', $path);
        return end($parts);
    }

    private function getRelativeImagePath($absolutePath) {
        $absolutePath = str_replace('\\', '/', $absolutePath);
        $dirImageNorm = str_replace('\\', '/', DIR_IMAGE);
        $rel = $absolutePath;
        if (substr($absolutePath, 0, strlen($dirImageNorm)) === $dirImageNorm) {
            $rel = substr($absolutePath, strlen($dirImageNorm));
        } elseif (strtolower(substr($absolutePath, 0, 3)) === strtolower(substr($dirImageNorm, 0, 3))) {
            $dirImageNormLower = strtolower($dirImageNorm);
            $absLower = strtolower($absolutePath);
            if (substr($absLower, 0, strlen($dirImageNormLower)) === $dirImageNormLower) {
                $rel = substr($absolutePath, strlen($dirImageNorm));
            }
        }
        $rel = ltrim($rel, '/');
        return $this->safe_utf8($rel);
    }

    public function autoRotateImage($filePath, $im = null) {
        if (!function_exists('exif_read_data')) {
            return $im;
        }
        $ext = strtolower(pathinfo($filePath, PATHINFO_EXTENSION));
        if (!in_array($ext, array('jpg', 'jpeg', 'tiff'))) {
            return $im;
        }
        $exif = @exif_read_data($filePath);
        if (!$exif || !isset($exif['Orientation'])) {
            return $im;
        }
        $orientation = (int)$exif['Orientation'];
        $angle = 0;
        switch ($orientation) {
            case 3:
                $angle = 180;
                break;
            case 6:
                $angle = -90;
                break;
            case 8:
                $angle = 90;
                break;
        }
        if ($angle !== 0) {
            if ($im !== null) {
                $im = @imagerotate($im, $angle, 0);
            } else {
                $img = @imagecreatefromjpeg($filePath);
                if ($img) {
                    $img = @imagerotate($img, $angle, 0);
                    @imagejpeg($img, $filePath, 95);
                    @imagedestroy($img);
                }
            }
        }
        return $im;
    }

    public function convertPngToJpgClean($sourcePngPath, $targetJpgPath, $quality = 100, $bgColorHex = '#ffffff') {
        if (extension_loaded('imagick')) {
            try {
                $im = new \Imagick($sourcePngPath);
                $bg = new \Imagick();
                $fillColor = new \ImagickPixel($bgColorHex);
                $bg->newImage($im->getImageWidth(), $im->getImageHeight(), $fillColor);
                $bg->compositeImage($im, \Imagick::COMPOSITE_OVER, 0, 0);
                $bg->setImageFormat('jpg');
                $bg->setImageCompressionQuality($quality);
                $bg->writeImage($targetJpgPath);
                $bg->clear(); $bg->destroy();
                $im->clear(); $im->destroy();
                return true;
            } catch (\Exception $e) {}
        }

        $img = @imagecreatefrompng($sourcePngPath);
        if (!$img) return false;

        if (function_exists('imagepalettetotruecolor') && !imageistruecolor($img)) {
            imagepalettetotruecolor($img);
        }

        $width = imagesx($img);
        $height = imagesy($img);

        $canvas = imagecreatetruecolor($width, $height);

        $hex = ltrim($bgColorHex, '#');
        if (strlen($hex) === 3) {
            $r = hexdec(substr($hex, 0, 1) . substr($hex, 0, 1));
            $g = hexdec(substr($hex, 1, 1) . substr($hex, 1, 1));
            $b = hexdec(substr($hex, 2, 1) . substr($hex, 2, 1));
        } else {
            $r = hexdec(substr($hex, 0, 2));
            $g = hexdec(substr($hex, 2, 2));
            $b = hexdec(substr($hex, 4, 2));
        }

        $bgColor = imagecolorallocate($canvas, $r, $g, $b);
        imagefill($canvas, 0, 0, $bgColor);
        imagealphablending($canvas, true);

        imagecopy($canvas, $img, 0, 0, 0, 0, $width, $height);

        $success = @imagejpeg($canvas, $targetJpgPath, $quality);

        imagedestroy($img);
        imagedestroy($canvas);

        return $success;
    }

    public function convertPngToWebpClean($sourcePngPath, $targetWebpPath, $quality = 80) {
        if (!function_exists('imagewebp')) return false;
        $img = @imagecreatefrompng($sourcePngPath);
        if (!$img) return false;

        if (function_exists('imagepalettetotruecolor') && !imageistruecolor($img)) {
            imagepalettetotruecolor($img);
        }

        imagealphablending($img, false);
        imagesavealpha($img, true);

        $success = @imagewebp($img, $targetWebpPath, $quality);
        imagedestroy($img);

        return $success;
    }

    public function normalizePngPalette($img) {
        if ($img && function_exists('imagepalettetotruecolor') && !imageistruecolor($img)) {
            imagepalettetotruecolor($img);
        }
        return $img;
    }

    public function normalizeCmykToRgbJpeg($fullPath, $quality = 90) {
        if (!is_file($fullPath)) return false;

        if (extension_loaded('imagick')) {
            try {
                $img = new \Imagick($fullPath);
                if ($img->getImageColorspace() == \Imagick::COLORSPACE_CMYK) {
                    $img->transformImageColorspace(\Imagick::COLORSPACE_SRGB);
                    $img->setImageFormat('jpeg');
                    $img->writeImage($fullPath);
                    $img->clear();
                    $img->destroy();
                    return true;
                }
                $img->clear();
                $img->destroy();
            } catch (\Exception $e) {}
        }

        $info = @getimagesize($fullPath);
        if (isset($info['channels']) && $info['channels'] == 4) {
            $img = @imagecreatefromjpeg($fullPath);
            if ($img) {
                $width = imagesx($img);
                $height = imagesy($img);
                $rgbCanvas = imagecreatetruecolor($width, $height);
                for ($x = 0; $x < $width; $x++) {
                    for ($y = 0; $y < $height; $y++) {
                        $pixel = imagecolorat($img, $x, $y);
                        $c = ($pixel >> 16) & 0xFF;
                        $m = ($pixel >> 8) & 0xFF;
                        $y_val = $pixel & 0xFF;
                        
                        $r = (int)(($c * $y_val) / 255);
                        $g = (int)(($m * $y_val) / 255);
                        $b = (int)($y_val);
                        
                        $color = imagecolorallocate($rgbCanvas, min(255, max(0, $r)), min(255, max(0, $g)), min(255, max(0, $b)));
                        imagesetpixel($rgbCanvas, $x, $y, $color);
                    }
                }
                @imagejpeg($rgbCanvas, $fullPath, $quality);
                imagedestroy($img);
                imagedestroy($rgbCanvas);
                return true;
            }
        }
        return false;
    }

    public function sanitizeSvgFile($filePath) {
        if (!is_file($filePath)) {
            return false;
        }
        $content = @file_get_contents($filePath);
        if ($content === false) {
            return false;
        }
        $clean = $this->sanitizeSvgContent($content);
        return (@file_put_contents($filePath, $clean) !== false);
    }

    public function sanitizeSvgContent($content) {
        if (empty($content)) {
            return $content;
        }

        $content = preg_replace('/<!DOCTYPE[^>]*\[.*?\]>/si', '', $content);
        $content = preg_replace('/<!ENTITY[^>]*>/i', '', $content);

        $previous_libxml_state = false;
        if (PHP_VERSION_ID < 80000 && function_exists('libxml_disable_entity_loader')) {
            $previous_libxml_state = @libxml_disable_entity_loader(true);
        }

        $dom = new \DOMDocument();
        $dom->formatOutput = true;
        $libxml_flags = LIBXML_NONET | LIBXML_NOWARNING | LIBXML_NOERROR;
        if (defined('LIBXML_NOENT')) {
            $libxml_flags |= LIBXML_NOENT;
        }

        $loaded = @$dom->loadXML($content, $libxml_flags);

        if ($previous_libxml_state !== false && PHP_VERSION_ID < 80000 && function_exists('libxml_disable_entity_loader')) {
            @libxml_disable_entity_loader($previous_libxml_state);
        }

        if ($loaded) {
            $disallowed_tags = array('script', 'foreignobject', 'object', 'embed', 'iframe', 'applet', 'meta', 'link');
            foreach ($disallowed_tags as $tag) {
                $nodes = $dom->getElementsByTagName($tag);
                while ($nodes->length > 0) {
                    $item = $nodes->item(0);
                    if ($item && $item->parentNode) {
                        $item->parentNode->removeChild($item);
                    }
                }
            }

            $xpath = new \DOMXPath($dom);
            
            $nodes = $xpath->query('//@*[starts-with(name(), "on") or starts-with(name(), "ON")]');
            if ($nodes) {
                $attrs_to_remove = array();
                foreach ($nodes as $attr) {
                    $attrs_to_remove[] = $attr;
                }
                foreach ($attrs_to_remove as $attr) {
                    if ($attr->ownerElement) {
                        $attr->ownerElement->removeAttribute($attr->name);
                    }
                }
            }

            $nodes = $xpath->query('//@*[name()="href" or name()="xlink:href" or name()="src" or name()="action" or name()="formaction" or name()="data" or name()="values"]');
            if ($nodes) {
                foreach ($nodes as $attr) {
                    $val = strtolower(trim($attr->value));
                    if (strpos($val, 'javascript:') !== false || strpos($val, 'data:text/html') !== false || strpos($val, 'data:application/javascript') !== false) {
                        if ($attr->ownerElement) {
                            $attr->ownerElement->removeAttribute($attr->name);
                        }
                    }
                }
            }

            $styles = $dom->getElementsByTagName('style');
            foreach ($styles as $styleNode) {
                $styleText = $styleNode->nodeValue;
                if ($styleText) {
                    $styleText = preg_replace('/expression\s*\(/i', 'blocked(', $styleText);
                    $styleText = preg_replace('/url\s*\(\s*["\']?\s*javascript:[^"\']*\s*["\']?\s*\)/i', 'none', $styleText);
                    $styleText = preg_replace('/url\s*\(\s*["\']?\s*data:text\/html[^"\']*\s*["\']?\s*\)/i', 'none', $styleText);
                    $styleNode->nodeValue = $styleText;
                }
            }

            $clean_content = $dom->saveXML();
            if ($clean_content !== false) {
                return $clean_content;
            }
        }

        $content = preg_replace('/<script\b[^>]*>(.*?)<\/script>/is', '', $content);
        $content = preg_replace('/\bon\w+\s*=\s*(?:"[^"]*"|\'[^\']*\')/i', '', $content);
        $content = preg_replace('/(?:href|xlink:href|src)\s*=\s*["\']\s*javascript:[^"\']*["\']/i', '', $content);
        $content = preg_replace('/<\s*(?:foreignObject|object|embed|iframe|applet)\b[^>]*>.*?<\/\s*\1\s*>/is', '', $content);
        $content = preg_replace('/<\s*(?:foreignObject|object|embed|iframe|applet)\b[^>]*\/?\s*>/i', '', $content);
        $content = preg_replace('/expression\s*\(/i', 'blocked(', $content);

        return $content;
    }

    public function detectSvgThreats($content) {
        $threats = array();
        if (empty($content)) return $threats;

        if (preg_match('/<!DOCTYPE[^>]*\[.*?\]>/si', $content) || preg_match('/<!ENTITY/i', $content)) {
            $threats[] = 'xxe_entity';
        }
        if (preg_match('/<script\b[^>]*>/i', $content)) {
            $threats[] = 'script_tag';
        }
        if (preg_match('/\bon[a-z]+\s*=/i', $content)) {
            $threats[] = 'event_handler';
        }
        if (preg_match('/(?:href|xlink:href|src|action|data)\s*=\s*["\']\s*javascript:/i', $content)) {
            $threats[] = 'javascript_uri';
        }
        if (preg_match('/<\s*foreignObject\b/i', $content)) {
            $threats[] = 'foreign_object';
        }
        if (preg_match('/<\s*(?:object|embed|iframe|applet)\b/i', $content)) {
            $threats[] = 'embed_object';
        }
        if (preg_match('/expression\s*\(|url\s*\(\s*["\']?\s*javascript:/i', $content)) {
            $threats[] = 'css_injection';
        }
        return $threats;
    }

    public function scan_svg_security($data = array()) {
        $this->loadLanguageSafe();
        $rows = array();
        $dir = realpath(DIR_IMAGE . 'catalog');
        $realImageDir = realpath(DIR_IMAGE);
        if (!$dir || strpos(str_replace('\\', '/', $dir), str_replace('\\', '/', $realImageDir)) !== 0 || !is_dir($dir)) {
            return array('error' => $this->language->get('text_err_dir'));
        }

        $limit = isset($data['module_img_opti_svg_security_limit']) ? (int)$data['module_img_opti_svg_security_limit'] : 100;
        if ($limit <= 0) $limit = 100;

        $iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($dir, \RecursiveDirectoryIterator::SKIP_DOTS));
        
        foreach ($iterator as $file) {
            if ($file->isFile()) {
                $realPath = realpath($file->getPathname());
                if ($realPath && strpos(str_replace('\\', '/', $realPath), str_replace('\\', '/', $dir)) === 0) {
                    $ext = strtolower(pathinfo($realPath, PATHINFO_EXTENSION));
                    if ($ext === 'svg') {
                        $content = @file_get_contents($realPath);
                        if ($content !== false) {
                            $threats = $this->detectSvgThreats($content);
                            if (!empty($threats)) {
                                $relPath = $this->getRelativeImagePath($realPath);
                                $filename = $this->mb_basename($relPath);

                                $threat_badges = array();
                                foreach ($threats as $t) {
                                    $lang_key = 'text_svg_threat_' . $t;
                                    $label = $this->language->get($lang_key);
                                    if ($label === $lang_key) $label = $t;
                                    $threat_badges[] = '<span class="label label-danger" style="margin-right:2px; display:inline-block; margin-bottom:2px;">' . htmlspecialchars($label, ENT_QUOTES, 'UTF-8') . '</span>';
                                }

                                $preview_url = '../image/' . str_replace('\\', '/', $relPath);
                                $entities = $this->getEntitiesByImagePath($relPath);
                                $entities_html = !empty($entities) ? implode('<br>', $entities) : '<i>' . $this->language->get('text_no_relations') . '</i>';

                                $rows[] = array(
                                    'id' => 'svg_security-' . md5($relPath),
                                    'preview' => '<img src="' . $preview_url . '" class="img-thumbnail" style="max-width:100px; max-height:100px; object-fit:contain;">',
                                    'name' => '<b>' . htmlspecialchars($relPath, ENT_QUOTES, 'UTF-8') . '</b><br>' . $entities_html,
                                    'before' => '<span class="text-danger"><b>' . sprintf($this->language->get('text_svg_threats_found'), count($threats)) . '</b></span><br>' . implode(' ', $threat_badges),
                                    'after' => '<span class="label label-success"><i class="fa fa-shield"></i> ' . $this->language->get('text_svg_clean_success') . '</span>',
                                    'actions' => array(
                                        'sanitize' => $this->language->get('text_action_apply_changes'),
                                        'ignore'   => $this->language->get('text_action_ignore')
                                    ),
                                    'selected_action' => 'sanitize',
                                    'meta' => array(
                                        'path' => $relPath
                                    )
                                );

                                if (count($rows) >= $limit) {
                                    break;
                                }
                            }
                        }
                    }
                }
            }
        }

        file_put_contents(DIR_CACHE . 'img_opti_svg_security_grid.json', json_encode($rows));

        return array(
            'success' => true,
            'headers' => array(
                $this->language->get('text_th_preview'),
                $this->language->get('text_th_entity'),
                $this->language->get('text_th_before'),
                $this->language->get('text_th_after'),
                $this->language->get('text_th_action')
            ),
            'rows' => $rows,
            'backup_available' => true,
            'quarantine_available' => true,
            'description' => $this->language->get('text_description_svg_security')
        );
    }

    public function fix_svg_security($data) {
        $this->backupCatalogTables('svg_security');
        $selected = isset($data['selected']) ? (array)$data['selected'] : array();
        $fix_all = isset($data['fix_all']) ? (int)$data['fix_all'] : 0;

        $cache_file = DIR_CACHE . 'img_opti_svg_security_grid.json';
        if (!is_file($cache_file)) {
            return $this->formatFixResult(0, 0);
        }

        $grid = json_decode(file_get_contents($cache_file), true);
        if (!is_array($grid)) {
            return $this->formatFixResult(0, 0);
        }

        $rows_map = array();
        foreach ($grid as $row) {
            $rows_map[$row['id']] = $row;
            if ($fix_all === 1 || empty($selected)) {
                $selected[$row['id']] = $row['selected_action'];
            }
        }

        $realImageDir = realpath(DIR_IMAGE);
        $processed = 0;

        foreach ($selected as $row_id => $act) {
            if ($act !== 'sanitize' || !isset($rows_map[$row_id])) continue;
            $row = $rows_map[$row_id];
            $relPath = (string)$row['meta']['path'];
            $cleanBadFile = str_replace(array('../', '..\\', "\0"), '', $relPath);
            $fullPath = DIR_IMAGE . $cleanBadFile;

            if (!is_file($fullPath)) continue;
            $realFullPath = realpath($fullPath);
            if (!$realFullPath || strpos(str_replace('\\', '/', $realFullPath), str_replace('\\', '/', $realImageDir)) !== 0) continue;

            $svgContent = @file_get_contents($fullPath);
            if ($svgContent === false) continue;

            $this->quarantineFile($relPath, 'svg_security');

            $cleanSvg = $this->sanitizeSvgContent($svgContent);
            if (@file_put_contents($fullPath, $cleanSvg) !== false) {
                $processed++;
            }
        }

        return $this->formatFixResult($processed, count($selected));
    }

    public function replaceBlackBackground($img, $bgColorHex = '#FFFFFF', $darkness = 30) {
        return $this->replaceBlackBackgroundAdaptive($img, $bgColorHex, $darkness, 'edges_only');
    }

    public function replaceBlackBackgroundAdaptive($img, $bgColorHex = '#FFFFFF', $darkness = 30, $mode = 'edges_only') {
        if (!$img) return $img;

        $width = imagesx($img);
        $height = imagesy($img);
        if ($width <= 0 || $height <= 0) return $img;

        $r_target = 255; $g_target = 255; $b_target = 255;
        if (preg_match('/^#?([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})$/i', $bgColorHex, $m)) {
            $r_target = hexdec($m[1]);
            $g_target = hexdec($m[2]);
            $b_target = hexdec($m[3]);
        }

        $sample_points = array();
        for ($i = 0; $i < 20; $i++) {
            $sample_points[] = array((int)($i * ($width - 1) / 19), 0);
            $sample_points[] = array((int)($i * ($width - 1) / 19), $height - 1);
            $sample_points[] = array(0, (int)($i * ($height - 1) / 19));
            $sample_points[] = array($width - 1, (int)($i * ($height - 1) / 19));
        }

        $sum_r = 0; $sum_g = 0; $sum_b = 0; $bg_samples = 0;
        foreach ($sample_points as $p) {
            $rgb = imagecolorat($img, $p[0], $p[1]);
            $alpha = ($rgb & 0x7F000000) >> 24;
            if ($alpha <= 10) {
                $r = ($rgb >> 16) & 0xFF;
                $g = ($rgb >> 8) & 0xFF;
                $b = $rgb & 0xFF;
                if ($r <= $darkness + 35 && $g <= $darkness + 35 && $b <= $darkness + 35) {
                    $sum_r += $r;
                    $sum_g += $g;
                    $sum_b += $b;
                    $bg_samples++;
                }
            }
        }

        $base_r = ($bg_samples > 0) ? (int)($sum_r / $bg_samples) : 0;
        $base_g = ($bg_samples > 0) ? (int)($sum_g / $bg_samples) : 0;
        $base_b = ($bg_samples > 0) ? (int)($sum_b / $bg_samples) : 0;

        $tolerance_inner = ($mode === 'all_smooth') ? max(45.0, (float)$darkness * 1.3) : max(30.0, (float)$darkness * 0.9);
        $tolerance_outer = ($mode === 'all_smooth') ? ($tolerance_inner + 45.0) : ($tolerance_inner + 25.0); // Feathering range for anti-aliasing

        $fillColor = imagecolorallocate($img, $r_target, $g_target, $b_target);

        if ($mode === 'all' || $mode === 'all_smooth') {
            for ($y = 0; $y < $height; $y++) {
                for ($x = 0; $x < $width; $x++) {
                    $rgb = imagecolorat($img, $x, $y);
                    $alpha = ($rgb & 0x7F000000) >> 24;
                    if ($alpha > 10) continue;

                    $r = ($rgb >> 16) & 0xFF;
                    $g = ($rgb >> 8) & 0xFF;
                    $b = $rgb & 0xFF;

                    $dist = sqrt(pow($r - $base_r, 2) + pow($g - $base_g, 2) + pow($b - $base_b, 2));

                    if ($dist <= $tolerance_inner) {
                        imagesetpixel($img, $x, $y, $fillColor);
                    } elseif ($dist <= $tolerance_outer) {
                        $blendFactor = ($dist - $tolerance_inner) / ($tolerance_outer - $tolerance_inner);
                        $r_new = (int)($r * $blendFactor + $r_target * (1.0 - $blendFactor));
                        $g_new = (int)($g * $blendFactor + $g_target * (1.0 - $blendFactor));
                        $b_new = (int)($b * $blendFactor + $b_target * (1.0 - $blendFactor));
                        $blendedColor = imagecolorallocate($img, $r_new, $g_new, $b_new);
                        imagesetpixel($img, $x, $y, $blendedColor);
                    }
                }
            }
        } else {
            $seeds = array();
            for ($x = 0; $x < $width; $x += 10) {
                $seeds[] = array($x, 0);
                $seeds[] = array($x, $height - 1);
            }
            for ($y = 0; $y < $height; $y += 10) {
                $seeds[] = array(0, $y);
                $seeds[] = array($width - 1, $y);
            }
            $seeds[] = array($width - 1, $height - 1);

            $queue = array();
            $visited = array_fill(0, $height, array_fill(0, $width, false));

            foreach ($seeds as $c) {
                $x = $c[0]; $y = $c[1];
                $rgb = imagecolorat($img, $x, $y);
                $r = ($rgb >> 16) & 0xFF; $g = ($rgb >> 8) & 0xFF; $b = $rgb & 0xFF;
                $dist = sqrt(pow($r - $base_r, 2) + pow($g - $base_g, 2) + pow($b - $base_b, 2));
                if ($dist <= $tolerance_outer && !$visited[$y][$x]) {
                    $queue[] = array($x, $y);
                    $visited[$y][$x] = true;
                }
            }

            while (!empty($queue)) {
                $curr = array_pop($queue);
                $cx = $curr[0]; $cy = $curr[1];

                $rgb = imagecolorat($img, $cx, $cy);
                $r = ($rgb >> 16) & 0xFF; $g = ($rgb >> 8) & 0xFF; $b = $rgb & 0xFF;
                $dist = sqrt(pow($r - $base_r, 2) + pow($g - $base_g, 2) + pow($b - $base_b, 2));

                if ($dist <= $tolerance_inner) {
                    imagesetpixel($img, $cx, $cy, $fillColor);
                } else {
                    $blendFactor = ($dist - $tolerance_inner) / ($tolerance_outer - $tolerance_inner);
                    $r_new = (int)($r * $blendFactor + $r_target * (1.0 - $blendFactor));
                    $g_new = (int)($g * $blendFactor + $g_target * (1.0 - $blendFactor));
                    $b_new = (int)($b * $blendFactor + $b_target * (1.0 - $blendFactor));
                    $blendedColor = imagecolorallocate($img, $r_new, $g_new, $b_new);
                    imagesetpixel($img, $cx, $cy, $blendedColor);
                }

                $neighbors = array(
                    array($cx + 1, $cy), array($cx - 1, $cy),
                    array($cx, $cy + 1), array($cx, $cy - 1)
                );

                foreach ($neighbors as $n) {
                    $nx = $n[0]; $ny = $n[1];
                    if ($nx >= 0 && $nx < $width && $ny >= 0 && $ny < $height && !$visited[$ny][$nx]) {
                        $visited[$ny][$nx] = true;
                        $nrgb = imagecolorat($img, $nx, $ny);
                        $nr = ($nrgb >> 16) & 0xFF; $ng = ($nrgb >> 8) & 0xFF; $nb = $nrgb & 0xFF;
                        $ndist = sqrt(pow($nr - $base_r, 2) + pow($ng - $base_g, 2) + pow($nb - $base_b, 2));
                        if ($ndist <= $tolerance_outer) {
                            $queue[] = array($nx, $ny);
                        }
                    }
                }
            }
        }

        return $img;
    }

    public function replaceBlackBackgroundImagick($filePath, $bgColorHex = '#FFFFFF', $darkness = 30, $mode = 'all_smooth') {
        if (!extension_loaded('imagick') || !is_file($filePath)) {
            return false;
        }

        try {
            $im = new \Imagick($filePath);

            $r_target = 255; $g_target = 255; $b_target = 255;
            if (preg_match('/^#?([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})$/i', $bgColorHex, $m)) {
                $r_target = hexdec($m[1]);
                $g_target = hexdec($m[2]);
                $b_target = hexdec($m[3]);
            }

            $fillColor = new \ImagickPixel("rgb($r_target, $g_target, $b_target)");
            $fuzz = (\Imagick::getQuantum() * (max(30, $darkness * 1.3) / 255));

            if ($mode === 'edges_only') {
                $w = $im->getImageWidth();
                $h = $im->getImageHeight();
                $seeds = array();
                for ($x = 0; $x < $w; $x += 15) {
                    $seeds[] = array($x, 0);
                    $seeds[] = array($x, $h - 1);
                }
                for ($y = 0; $y < $h; $y += 15) {
                    $seeds[] = array(0, $y);
                    $seeds[] = array($w - 1, $y);
                }
                $seeds[] = array($w - 1, $h - 1);

                foreach ($seeds as $c) {
                    $borderPixel = $im->getImagePixelColor($c[0], $c[1]);
                    $colorArray = $borderPixel->getColor();
                    if ($colorArray['r'] <= ($darkness + 40) && $colorArray['g'] <= ($darkness + 40) && $colorArray['b'] <= ($darkness + 40)) {
                        @$im->floodfillPaintImage($fillColor, $fuzz, $borderPixel, $c[0], $c[1], false);
                    }
                }
            } else {
                $im->transparentPaintImage(new \ImagickPixel('rgb(0,0,0)'), 0.0, $fuzz, false);
                $bg = new \Imagick();
                $bg->newImage($im->getImageWidth(), $im->getImageHeight(), $fillColor);
                $bg->compositeImage($im, \Imagick::COMPOSITE_OVER, 0, 0);
                $im = $bg;
            }

            $ext = strtolower(pathinfo($filePath, PATHINFO_EXTENSION));
            if ($ext === 'png') {
                $im->setImageFormat('png');
            } else {
                $im->setImageFormat('jpeg');
                $im->setImageCompression(\Imagick::COMPRESSION_JPEG);
                $im->setImageCompressionQuality(100);
                $im->setOption('jpeg:sampling-factor', '4:4:4');
            }
            $im->writeImage($filePath);
            $im->clear();
            $im->destroy();
            return true;
        } catch (\Exception $e) {
            return false;
        }
    }

    public function scan_black_bg($data = array()) {
        $this->loadLanguageSafe();
        $rows = array();
        $dir = realpath(DIR_IMAGE . 'catalog');
        $realImageDir = realpath(DIR_IMAGE);
        if (!$dir || strpos(str_replace('\\', '/', $dir), str_replace('\\', '/', $realImageDir)) !== 0 || !is_dir($dir)) {
            return array('error' => $this->language->get('text_err_dir'));
        }

        $limit = isset($data['module_img_opti_bb_limit']) ? (int)$data['module_img_opti_bb_limit'] : 100;
        if ($limit <= 0) $limit = 100;

        $darkness = isset($data['module_img_opti_bb_darkness']) ? (int)$data['module_img_opti_bb_darkness'] : 30;
        $threshold = isset($data['module_img_opti_bb_threshold']) ? (int)$data['module_img_opti_bb_threshold'] : 60;
        $scan_fake = isset($data['module_img_opti_bb_scan_fake']) ? (int)$data['module_img_opti_bb_scan_fake'] : 1;
        $scan_black = isset($data['module_img_opti_bb_scan_black']) ? (int)$data['module_img_opti_bb_scan_black'] : 1;

        $iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($dir, \RecursiveDirectoryIterator::SKIP_DOTS));
        $this->load->model('tool/image');

        foreach ($iterator as $file) {
            if ($file->isFile()) {
                $realPath = realpath($file->getPathname());
                if ($realPath && strpos(str_replace('\\', '/', $realPath), str_replace('\\', '/', $dir)) === 0) {
                    $ext = strtolower(pathinfo($realPath, PATHINFO_EXTENSION));
                    if (!in_array($ext, array('jpg', 'jpeg'))) continue;

                    $relPath = $this->getRelativeImagePath($realPath);
                    if (preg_match('/(wp-content|elementor|thumbs|templates?)/i', $relPath)) continue;

                    $is_fake = false;
                    $is_black = false;

                    if ($scan_fake && in_array($ext, array('jpg', 'jpeg'))) {
                        $header = @file_get_contents($realPath, false, null, 0, 8);
                        if ($header === "\x89PNG\r\n\x1a\n") {
                            $is_fake = true;
                        }
                    }

                    if ($scan_black && !$is_fake) {
                        $img = @imagecreatefromstring(@file_get_contents($realPath));
                        if ($img) {
                            $w = imagesx($img);
                            $h = imagesy($img);
                            if ($w >= 20 && $h >= 20) {
                                $corners = array(
                                    array(0, 0), array($w - 1, 0),
                                    array(0, $h - 1), array($w - 1, $h - 1)
                                );
                                $black_corners = 0;
                                foreach ($corners as $c) {
                                    $rgb = imagecolorat($img, $c[0], $c[1]);
                                    $alpha = ($rgb & 0x7F000000) >> 24;
                                    $r = ($rgb >> 16) & 0xFF;
                                    $g = ($rgb >> 8) & 0xFF;
                                    $b = $rgb & 0xFF;
                                    if ($alpha <= 10 && $r <= ($darkness + 15) && $g <= ($darkness + 15) && $b <= ($darkness + 15)) {
                                        $black_corners++;
                                    }
                                }

                                if ($black_corners >= 3) {
                                    $sample_points = array();
                                    for ($i = 0; $i < 20; $i++) {
                                        $sample_points[] = array((int)($i * ($w - 1) / 19), 0);
                                        $sample_points[] = array((int)($i * ($w - 1) / 19), $h - 1);
                                        $sample_points[] = array(0, (int)($i * ($h - 1) / 19));
                                        $sample_points[] = array($w - 1, (int)($i * ($h - 1) / 19));
                                    }
                                    $black_count = 0;
                                    foreach ($sample_points as $p) {
                                        $rgb = imagecolorat($img, $p[0], $p[1]);
                                        $alpha = ($rgb & 0x7F000000) >> 24;
                                        $r = ($rgb >> 16) & 0xFF;
                                        $g = ($rgb >> 8) & 0xFF;
                                        $b = $rgb & 0xFF;
                                        if ($alpha <= 10 && $r <= $darkness && $g <= $darkness && $b <= $darkness) {
                                            $black_count++;
                                        }
                                    }
                                    $pct = ($black_count / count($sample_points)) * 100;
                                    if ($pct >= $threshold) {
                                        $is_black = true;
                                    }
                                }
                            }
                            imagedestroy($img);
                        }
                    }

                    if ($is_fake || $is_black) {
                        $thumb = $this->model_tool_image->resize($relPath, 100, 100);
                        $entities = $this->getEntitiesByImagePath($relPath);
                        $entities_html = !empty($entities) ? implode('<br>', $entities) : '<i>' . $this->language->get('text_no_relations') . '</i>';

                        $issue_type = $is_fake ? 'fake_jpg' : 'black_bg';
                        $issue_title = $is_fake ? $this->language->get('text_bb_fake_jpg') : $this->language->get('text_bb_black_bg');
                        $before_desc = $is_fake ? '<span class="label label-danger">' . $this->language->get('text_bb_type_fake') . '</span>' : '<span class="label label-warning">' . $this->language->get('text_bb_type_black') . '</span>';

                        if ($is_fake) {
                            $after_desc = '<span class="label label-success"><i class="fa fa-check"></i> ' . $this->language->get('text_bb_fix_flatten_white') . '</span>';
                            $actions = array(
                                'fix_flatten_white' => $this->language->get('text_bb_fix_flatten_white'),
                                'fix_convert_png'   => $this->language->get('text_bb_fix_convert_png'),
                                'ignore'            => $this->language->get('text_action_ignore')
                            );
                            $default_action = 'fix_flatten_white';
                        } else {
                            $after_desc = '<span class="label label-success"><i class="fa fa-check"></i> ' . $this->language->get('text_bb_fix_white') . '</span>';
                            $actions = array(
                                'fix_white'        => $this->language->get('text_bb_fix_white'),
                                'fix_white_all'    => $this->language->get('text_bb_fix_white_all'),
                                'fix_white_smooth' => $this->language->get('text_bb_fix_white_smooth')
                            );
                            if (extension_loaded('imagick')) {
                                $actions['fix_white_imagick']        = $this->language->get('text_bb_fix_white_imagick');
                                $actions['fix_white_all_imagick']    = $this->language->get('text_bb_fix_white_all_imagick');
                                $actions['fix_white_smooth_imagick'] = $this->language->get('text_bb_fix_white_smooth_imagick');
                            }
                            $actions['ignore'] = $this->language->get('text_action_ignore');
                            $default_action = extension_loaded('imagick') ? 'fix_white_smooth_imagick' : 'fix_white_smooth';
                        }

                        $rows[] = array(
                            'id' => 'black_bg-' . md5($relPath),
                            'preview' => '<img src="' . $thumb . '" class="img-thumbnail" style="max-width:100px; max-height:100px;">',
                            'name' => '<b>' . htmlspecialchars($relPath, ENT_QUOTES, 'UTF-8') . '</b><br>' . $entities_html,
                            'before' => $issue_title . '<br>' . $before_desc,
                            'after' => $after_desc,
                            'actions' => $actions,
                            'selected_action' => $default_action,
                            'meta' => array(
                                'path' => $relPath,
                                'type' => $issue_type
                            )
                        );

                        if (count($rows) >= $limit) {
                            break;
                        }
                    }
                }
            }
        }

        file_put_contents(DIR_CACHE . 'img_opti_black_bg_grid.json', json_encode($rows));

        return array(
            'success' => true,
            'headers' => array(
                $this->language->get('text_th_preview'),
                $this->language->get('text_th_entity'),
                $this->language->get('text_th_before'),
                $this->language->get('text_th_after'),
                $this->language->get('text_th_action')
            ),
            'rows' => $rows,
            'backup_available' => true,
            'quarantine_available' => true,
            'description' => $this->language->get('text_description_black_bg')
        );
    }

    public function fix_black_bg($data) {
        $this->backupCatalogTables('black_bg');
        $selected = isset($data['selected']) ? (array)$data['selected'] : array();
        $fix_all = isset($data['fix_all']) ? (int)$data['fix_all'] : 0;
        $darkness = isset($data['module_img_opti_bb_darkness']) ? (int)$data['module_img_opti_bb_darkness'] : 30;

        $cache_file = DIR_CACHE . 'img_opti_black_bg_grid.json';
        if (!is_file($cache_file)) {
            return $this->formatFixResult(0, 0);
        }

        $grid = json_decode(file_get_contents($cache_file), true);
        if (!is_array($grid)) {
            return $this->formatFixResult(0, 0);
        }

        $rows_map = array();
        foreach ($grid as $row) {
            $rows_map[$row['id']] = $row;
            if ($fix_all === 1 || empty($selected)) {
                $selected[$row['id']] = $row['selected_action'];
            }
        }

        $realImageDir = realpath(DIR_IMAGE);
        $processed = 0;
        $allowed_actions = array('fix_flatten_white', 'fix_convert_png', 'fix_white', 'fix_white_all', 'fix_white_smooth', 'fix_white_imagick', 'fix_white_all_imagick', 'fix_white_smooth_imagick');

        foreach ($selected as $row_id => $act) {
            if (!in_array($act, $allowed_actions) || !isset($rows_map[$row_id])) continue;
            $row = $rows_map[$row_id];
            $relPath = (string)$row['meta']['path'];
            $issueType = (string)$row['meta']['type'];
            $cleanBadFile = str_replace(array('../', '..\\', "\0"), '', $relPath);
            $fullPath = DIR_IMAGE . $cleanBadFile;

            if (!is_file($fullPath)) continue;
            $realFullPath = realpath($fullPath);
            if (!$realFullPath || strpos(str_replace('\\', '/', $realFullPath), str_replace('\\', '/', $realImageDir)) !== 0) continue;

            $imgData = @file_get_contents($fullPath);
            if ($imgData === false) continue;

            $this->quarantineFile($relPath, 'black_bg');

            if ($act === 'fix_flatten_white') {
                $pngImg = @imagecreatefromstring($imgData);
                if ($pngImg) {
                    $w = imagesx($pngImg);
                    $h = imagesy($pngImg);
                    $jpgCanvas = imagecreatetruecolor($w, $h);
                    imagealphablending($jpgCanvas, true);
                    $white = imagecolorallocate($jpgCanvas, 255, 255, 255);
                    imagefilledrectangle($jpgCanvas, 0, 0, $w - 1, $h - 1, $white);
                    imagealphablending($pngImg, true);
                    imagesavealpha($pngImg, true);
                    imagecopy($jpgCanvas, $pngImg, 0, 0, 0, 0, $w, $h);
                    $jpgCanvas = $this->replaceBlackBackgroundAdaptive($jpgCanvas, '#FFFFFF', $darkness, 'edges_only');
                    @imagejpeg($jpgCanvas, $fullPath, 100);
                    imagedestroy($pngImg);
                    imagedestroy($jpgCanvas);
                    $this->deleteImageCache($relPath);
                    $this->load->model('tool/image');
                    @$this->model_tool_image->resize($cleanBadFile, 100, 100);
                    $processed++;
                }
            } elseif ($act === 'fix_convert_png') {
                $pngImg = @imagecreatefromstring($imgData);
                if ($pngImg) {
                    imagesavealpha($pngImg, true);
                    imagealphablending($pngImg, false);
                    $newRelPath = preg_replace('/\.(jpe?g)$/i', '.png', $relPath);
                    $newFullPath = DIR_IMAGE . str_replace(array('../', '..\\', "\0"), '', $newRelPath);
                    $newDir = dirname($newFullPath);
                    if (!is_dir($newDir)) {
                        @mkdir($newDir, 0755, true);
                    }
                    @imagepng($pngImg, $newFullPath, 9);
                    imagedestroy($pngImg);
                    if (is_file($fullPath)) {
                        @unlink($fullPath);
                    }
                    $this->updateImagePathInDb($relPath, $newRelPath);
                    $this->deleteImageCache($relPath);
                    $this->load->model('tool/image');
                    @$this->model_tool_image->resize($newRelPath, 100, 100);
                    $processed++;
                }
            } elseif ($act === 'fix_white') {
                $img = @imagecreatefromstring($imgData);
                if ($img) {
                    $img = $this->replaceBlackBackgroundAdaptive($img, '#FFFFFF', $darkness, 'edges_only');
                    $ext = strtolower(pathinfo($fullPath, PATHINFO_EXTENSION));
                    if ($ext === 'png') {
                        @imagepng($img, $fullPath, 9);
                    } else {
                        @imagejpeg($img, $fullPath, 100);
                    }
                    imagedestroy($img);
                    $this->deleteImageCache($relPath);
                    $this->load->model('tool/image');
                    @$this->model_tool_image->resize($cleanBadFile, 100, 100);
                    $processed++;
                }
            } elseif ($act === 'fix_white_all') {
                $img = @imagecreatefromstring($imgData);
                if ($img) {
                    $img = $this->replaceBlackBackgroundAdaptive($img, '#FFFFFF', $darkness, 'all');
                    $ext = strtolower(pathinfo($fullPath, PATHINFO_EXTENSION));
                    if ($ext === 'png') {
                        @imagepng($img, $fullPath, 9);
                    } else {
                        @imagejpeg($img, $fullPath, 100);
                    }
                    imagedestroy($img);
                    $this->deleteImageCache($relPath);
                    $this->load->model('tool/image');
                    @$this->model_tool_image->resize($cleanBadFile, 100, 100);
                    $processed++;
                }
            } elseif ($act === 'fix_white_smooth') {
                $img = @imagecreatefromstring($imgData);
                if ($img) {
                    $img = $this->replaceBlackBackgroundAdaptive($img, '#FFFFFF', $darkness, 'all_smooth');
                    $ext = strtolower(pathinfo($fullPath, PATHINFO_EXTENSION));
                    if ($ext === 'png') {
                        @imagepng($img, $fullPath, 9);
                    } else {
                        @imagejpeg($img, $fullPath, 100);
                    }
                    imagedestroy($img);
                    $this->deleteImageCache($relPath);
                    $this->load->model('tool/image');
                    @$this->model_tool_image->resize($cleanBadFile, 100, 100);
                    $processed++;
                }
            } elseif (in_array($act, array('fix_white_imagick', 'fix_white_all_imagick', 'fix_white_smooth_imagick'))) {
                $imagick_mode = 'all_smooth';
                if ($act === 'fix_white_imagick') {
                    $imagick_mode = 'edges_only';
                } elseif ($act === 'fix_white_all_imagick') {
                    $imagick_mode = 'all';
                }
                if ($this->replaceBlackBackgroundImagick($fullPath, '#FFFFFF', $darkness, $imagick_mode)) {
                    $this->deleteImageCache($relPath);
                    $this->load->model('tool/image');
                    @$this->model_tool_image->resize($cleanBadFile, 100, 100);
                    $processed++;
                } else {
                    $img = @imagecreatefromstring($imgData);
                    if ($img) {
                        $img = $this->replaceBlackBackgroundAdaptive($img, '#FFFFFF', $darkness, $imagick_mode);
                        @imagejpeg($img, $fullPath, 100);
                        imagedestroy($img);
                        $this->deleteImageCache($relPath);
                        $this->load->model('tool/image');
                        @$this->model_tool_image->resize($cleanBadFile, 100, 100);
                        $processed++;
                    }
                }
            }
        }

        return $this->formatFixResult($processed, count($selected));
    }

    public function preview_black_bg_row($data) {
        $row_id = isset($data['row_id']) ? (string)$data['row_id'] : '';
        $act = isset($data['action_type']) ? (string)$data['action_type'] : 'fix_white';
        $darkness = isset($data['module_img_opti_bb_darkness']) ? (int)$data['module_img_opti_bb_darkness'] : 30;

        $cache_file = DIR_CACHE . 'img_opti_black_bg_grid.json';
        if (!is_file($cache_file)) {
            return array('error' => 'Cache file not found');
        }

        $grid = json_decode(file_get_contents($cache_file), true);
        if (!is_array($grid)) {
            return array('error' => 'Invalid grid cache');
        }

        $targetRow = null;
        foreach ($grid as $row) {
            if ($row['id'] === $row_id) {
                $targetRow = $row;
                break;
            }
        }

        if (!$targetRow) {
            return array('error' => 'Row not found');
        }

        $relPath = (string)$targetRow['meta']['path'];
        $cleanBadFile = str_replace(array('../', '..\\', "\0"), '', $relPath);
        $fullPath = DIR_IMAGE . $cleanBadFile;

        if (!is_file($fullPath)) {
            return array('error' => 'Original image file not found on disk');
        }

        $imgData = @file_get_contents($fullPath);
        if ($imgData === false) {
            return array('error' => 'Failed to read image file');
        }

        $this->load->model('tool/image');
        $thumbBefore = $this->model_tool_image->resize($cleanBadFile, 350, 350);

        $cache_dir = DIR_IMAGE . 'cache';
        if (!is_dir($cache_dir)) {
            @mkdir($cache_dir, 0755, true);
        }

        $old_previews = glob($cache_dir . '/img_opti_preview_*.jpg');
        if ($old_previews) {
            $now = time();
            foreach ($old_previews as $old_file) {
                if (($now - filemtime($old_file)) > 300) {
                    @unlink($old_file);
                }
            }
        }

        $tempFilename = 'img_opti_preview_' . md5($relPath . '_' . $act . '_' . microtime(true)) . '.jpg';
        $tempRelPath = 'cache/' . $tempFilename;
        $tempFullPath = DIR_IMAGE . $tempRelPath;

        if ($act === 'ignore') {
            $thumbAfter = $thumbBefore;
        } elseif (in_array($act, array('fix_white_imagick', 'fix_white_all_imagick', 'fix_white_smooth_imagick'))) {
            $imagick_mode = 'all_smooth';
            if ($act === 'fix_white_imagick') {
                $imagick_mode = 'edges_only';
            } elseif ($act === 'fix_white_all_imagick') {
                $imagick_mode = 'all';
            }
            @copy($fullPath, $tempFullPath);
            if (!$this->replaceBlackBackgroundImagick($tempFullPath, '#FFFFFF', $darkness, $imagick_mode)) {
                $img = @imagecreatefromstring($imgData);
                if ($img) {
                    $img = $this->replaceBlackBackgroundAdaptive($img, '#FFFFFF', $darkness, $imagick_mode);
                    @imagejpeg($img, $tempFullPath, 100);
                    @imagedestroy($img);
                }
            }
            $thumbAfter = $this->model_tool_image->resize($tempRelPath, 350, 350);
        } else {
            $gd_mode = 'edges_only';
            if ($act === 'fix_white_all') {
                $gd_mode = 'all';
            } elseif ($act === 'fix_white_smooth') {
                $gd_mode = 'all_smooth';
            }
            $img = @imagecreatefromstring($imgData);
            if ($img) {
                $img = $this->replaceBlackBackgroundAdaptive($img, '#FFFFFF', $darkness, $gd_mode);
                @imagejpeg($img, $tempFullPath, 100);
                @imagedestroy($img);
            }
            $thumbAfter = $this->model_tool_image->resize($tempRelPath, 350, 350);
        }

        return array(
            'success' => true,
            'title' => $relPath,
            'thumb_before' => $thumbBefore,
            'thumb_after' => $thumbAfter
        );
    }
}