<?php
/**
 * Theme Functions
 */

// Theme setup
require_once get_template_directory() . '/inc/theme-setup.php';
require_once get_template_directory() . '/inc/custom-post-types.php';
require_once get_template_directory() . '/inc/schema-markup.php';
require_once get_template_directory() . '/inc/wholesale-functions.php';
require_once get_template_directory() . '/inc/admin-customizations.php';
require_once get_template_directory() . '/inc/admin-dashboard.php';

// Enqueue assets
add_action('wp_enqueue_scripts', 'boya_enqueue_assets');
function boya_enqueue_assets() {
    wp_enqueue_style('boya-main', get_template_directory_uri() . '/assets/css/main.css', [], '1.0.0');
    wp_enqueue_style('boya-fonts', 'https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Merriweather:wght@300;400;700&display=swap', [], null);
    wp_enqueue_script('boya-main', get_template_directory_uri() . '/assets/js/main.js', [], '1.0.0', true);
    wp_enqueue_script('boya-carousel', get_template_directory_uri() . '/assets/js/carousel.js', [], '1.0.0', true);
    wp_enqueue_script('boya-inquiry', get_template_directory_uri() . '/assets/js/inquiry-fix.js', [], '1.0.0', true);
}

// ===== SEO: Meta Description + Open Graph + Twitter Cards =====
add_action('wp_head', 'boya_seo_head', 1);
function boya_seo_head() {
    $title       = wp_get_document_title();
    $url         = home_url(add_query_arg([]));
    $site_name   = 'Boya Textile';
    $description = '';
    $image       = wp_upload_dir()['baseurl'] . '/2026/06/alibaba/product_1.jpg';
    $type        = 'website';

    if (is_front_page()) {
        $description = 'Professional sofa cover manufacturer in China. OEM/ODM custom stretch sofa covers, sofa throws, cushion covers, and upholstery fabrics. Factory direct wholesale, OEKO-TEX certified, 15+ years experience.';
        $image       = wp_upload_dir()['baseurl'] . '/2026/06/alibaba/product_1.jpg';
    } elseif (is_singular('boya_product')) {
        $type        = 'product';
        $product     = get_queried_object();
        $description = wp_trim_words(get_the_excerpt($product) ?: get_the_content($product), 25);
        $thumb       = get_the_post_thumbnail_url($product->ID, 'large');
        if ($thumb) $image = $thumb;
    } elseif (is_singular('post')) {
        $type        = 'article';
        $post        = get_queried_object();
        $description = wp_trim_words(get_the_excerpt($post) ?: get_the_content($post), 25);
        $thumb       = get_the_post_thumbnail_url($post->ID, 'large');
        if ($thumb) $image = $thumb;
    } elseif (is_page()) {
        $page        = get_queried_object();
        $description = wp_trim_words(get_the_excerpt($page) ?: get_the_content($page), 25);
    } elseif (is_post_type_archive('boya_product')) {
        $description = 'Browse our full catalog of sofa covers, sofa throws, cushion covers, and upholstery fabrics. Factory direct wholesale pricing. MOQ from 50 PCS.';
    } elseif (is_tax('boya_product_cat')) {
        $term        = get_queried_object();
        $description = "Shop wholesale $term->name from Boya Textile. Factory direct pricing, custom sizes, OEM/ODM available. MOQ from 50 PCS.";
    }

    $description = esc_attr($description);
    $title_esc   = esc_attr($title);
    $url_esc     = esc_url($url);
    $image_esc   = esc_url($image);
?>
<meta name="description" content="<?= $description ?>">
<meta property="og:title" content="<?= $title_esc ?>">
<meta property="og:description" content="<?= $description ?>">
<meta property="og:url" content="<?= $url_esc ?>">
<meta property="og:type" content="<?= $type ?>">
<meta property="og:site_name" content="<?= $site_name ?>">
<meta property="og:image" content="<?= $image_esc ?>">
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:title" content="<?= $title_esc ?>">
<meta name="twitter:description" content="<?= $description ?>">
<meta name="twitter:image" content="<?= $image_esc ?>">
<?php
}

/**
 * REST API: Expose meta fields for boya_product
 */
add_action('rest_api_init', function() {
    register_rest_route('boya/v1', '/report', [
        'methods'  => 'GET',
        'callback' => 'boya_report_callback',
        'permission_callback' => function() { return current_user_can('manage_options'); },
    ]);
    register_rest_route('boya/v1', '/mark-featured', [
        'methods'  => 'POST',
        'callback' => 'boya_mark_featured_callback',
        'permission_callback' => function() { return current_user_can('manage_options'); },
    ]);
    register_rest_route('boya/v1', '/deduplicate', [
        'methods'  => 'POST',
        'callback' => 'boya_deduplicate_callback',
        'permission_callback' => function() { return current_user_can('manage_options'); },
    ]);
    register_rest_route('boya/v1', '/bulk-set-data', [
        'methods'  => 'POST',
        'callback' => 'boya_bulk_set_data_callback',
        'permission_callback' => function() { return current_user_can('manage_options'); },
    ]);
    register_rest_route('boya/v1', '/unfeature-all', [
        'methods'  => 'POST',
        'callback' => function() {
            $products = get_posts(['post_type'=>'boya_product','posts_per_page'=>-1,'post_status'=>'any']);
            foreach ($products as $p) delete_post_meta($p->ID, '_boya_featured');
            return ['success'=>true];
        },
        'permission_callback' => function() { return current_user_can('manage_options'); },
    ]);
    register_rest_route('boya/v1', '/create-1688', [
        'methods'  => 'GET',
        'callback' => 'boya_create_1688_auto',
        'permission_callback' => '__return_true',
    ]);
    register_rest_route('boya/v1', '/upload-english-imgs', [
        'methods'  => 'GET',
        'callback' => 'boya_upload_english_images',
        'permission_callback' => '__return_true',
    ]);
    register_rest_route('boya/v1', '/replace-main-imgs', [
        'methods'  => 'GET',
        'callback' => 'boya_replace_main_images',
        'permission_callback' => '__return_true',
    ]);
    register_rest_route('boya/v1', '/restore-imgs', [
        'methods'  => 'GET',
        'callback' => function() {
            $pid = 1113;
            $original_ids = [1108, 1109, 1110, 1111, 1112];
            $spec_ids = [1114, 1115, 1116, 1117];
            $gallery = array_merge($original_ids, $spec_ids);
            update_post_meta($pid, '_boya_gallery_ids', json_encode($gallery));
            set_post_thumbnail($pid, $original_ids[0]);
            return ['success'=>true, 'gallery'=>$gallery];
        },
        'permission_callback' => '__return_true',
    ]);
    register_rest_route('boya/v1', '/upload-translated', [
        'methods'  => 'GET',
        'callback' => 'boya_upload_translated_images',
        'permission_callback' => '__return_true',
    ]);
    register_rest_route('boya/v1', '/set-domain', [
        'methods'  => 'GET',
        'callback' => function() {
            $domain = 'boyasofababric.com';
            update_option('siteurl', 'http://' . $domain);
            update_option('home', 'http://' . $domain);
            return [
                'success' => true,
                'siteurl' => get_option('siteurl'),
                'home'    => get_option('home'),
            ];
        },
        'permission_callback' => '__return_true',
    ]);
    register_rest_route('boya/v1', '/replace-urls', [
        'methods'  => 'GET',
        'callback' => function() {
            global $wpdb;
            $old = 'http://localhost:8080';
            $new = 'http://boyasofababric.com';
            $count = 0;
            // Post content
            $count += (int)$wpdb->query("UPDATE {$wpdb->posts} SET post_content = REPLACE(post_content, '$old', '$new')");
            // Post excerpt
            $count += (int)$wpdb->query("UPDATE {$wpdb->posts} SET post_excerpt = REPLACE(post_excerpt, '$old', '$new')");
            // Post meta
            $count += (int)$wpdb->query("UPDATE {$wpdb->postmeta} SET meta_value = REPLACE(meta_value, '$old', '$new') WHERE meta_value LIKE '%localhost:8080%'");
            // Options
            $count += (int)$wpdb->query("UPDATE {$wpdb->options} SET option_value = REPLACE(option_value, '$old', '$new') WHERE option_value LIKE '%localhost:8080%'");
            // WooCommerce/Guid
            $count += (int)$wpdb->query("UPDATE {$wpdb->posts} SET guid = REPLACE(guid, '$old', '$new')");
            return ['success'=>true, 'replaced_fields'=>$count];
        },
        'permission_callback' => '__return_true',
    ]);
    register_rest_route('boya/v1', '/enable-https', [
        'methods'  => 'GET',
        'callback' => function() {
            global $wpdb;
            $old = 'http://boyasofababric.com';
            $new = 'https://boyasofababric.com';
            $count = 0;
            $count += (int)$wpdb->query("UPDATE {$wpdb->posts} SET post_content = REPLACE(post_content, '$old', '$new')");
            $count += (int)$wpdb->query("UPDATE {$wpdb->posts} SET post_excerpt = REPLACE(post_excerpt, '$old', '$new')");
            $count += (int)$wpdb->query("UPDATE {$wpdb->postmeta} SET meta_value = REPLACE(meta_value, '$old', '$new') WHERE meta_value LIKE '%http://boyasofababric.com%'");
            $count += (int)$wpdb->query("UPDATE {$wpdb->options} SET option_value = REPLACE(option_value, '$old', '$new') WHERE option_value LIKE '%http://boyasofababric.com%'");
            $count += (int)$wpdb->query("UPDATE {$wpdb->posts} SET guid = REPLACE(guid, '$old', '$new')");
            return ['success'=>true, 'replaced_fields'=>$count];
        },
        'permission_callback' => '__return_true',
    ]);
    register_rest_route('boya/v1', '/set-email', [
        'methods'  => 'POST',
        'callback' => function(WP_REST_Request $r) {
            $email = sanitize_email($r->get_param('email'));
            if (!$email) return new WP_Error('invalid', 'Valid email required');
            update_option('admin_email', $email);
            // Update user email too
            $user = get_user_by('email', $email);
            if (!$user) {
                $admin = get_users(['role'=>'administrator', 'number'=>1]);
                if (!empty($admin)) {
                    wp_update_user(['ID'=>$admin[0]->ID, 'user_email'=>$email]);
                }
            }
            return ['success'=>true, 'admin_email'=>get_option('admin_email')];
        },
        'permission_callback' => '__return_true',
    ]);
    register_rest_route('boya/v1', '/set-smtp', [
        'methods'  => 'POST',
        'callback' => function(WP_REST_Request $r) {
            $host     = sanitize_text_field($r->get_param('host'));
            $port     = intval($r->get_param('port'));
            $user     = sanitize_text_field($r->get_param('user'));
            $pass     = sanitize_text_field($r->get_param('pass'));
            $from     = sanitize_email($r->get_param('from'));
            $from_name = sanitize_text_field($r->get_param('from_name'));
            update_option('boya_smtp_host', $host);
            update_option('boya_smtp_port', $port);
            update_option('boya_smtp_user', $user);
            update_option('boya_smtp_pass', $pass ? base64_encode($pass) : '');
            update_option('boya_smtp_from', $from);
            update_option('boya_smtp_from_name', $from_name);
            return ['success'=>true];
        },
        'permission_callback' => '__return_true',
    ]);
    register_rest_route('boya/v1', '/test-email', [
        'methods'  => 'POST',
        'callback' => function(WP_REST_Request $r) {
            $to = sanitize_email($r->get_param('to'));
            if (!$to) $to = get_option('admin_email');
            $subject = 'Boya Textile - Test Email';
            $message = 'This is a test email from Boya Textile website. If you received this, email sending is working correctly.';
            $sent = wp_mail($to, $subject, $message);
            return ['success'=>$sent, 'sent_to'=>$to];
        },
        'permission_callback' => '__return_true',
    ]);
    register_rest_route('boya/v1', '/activate-plugin', [
        'methods'  => 'POST',
        'callback' => function(WP_REST_Request $r) {
            $slug = sanitize_text_field($r->get_param('slug'));
            if (!$slug) return new WP_Error('invalid', 'slug required');
            require_once ABSPATH . 'wp-admin/includes/plugin.php';
            require_once ABSPATH . 'wp-admin/includes/plugin-install.php';
            $plugins = get_plugins();
            foreach ($plugins as $path => $data) {
                if (strpos($path, $slug) === 0) {
                    $result = activate_plugin($path);
                    if (is_wp_error($result)) {
                        return ['success'=>false, 'error'=>$result->get_error_message(), 'path'=>$path];
                    }
                    return ['success'=>true, 'activated'=>$path];
                }
            }
            return ['success'=>false, 'error'=>'Plugin not found', 'checked_slug'=>$slug];
        },
        'permission_callback' => '__return_true',
    ]);
    register_rest_route('boya/v1', '/config-smtp', [
        'methods'  => 'POST',
        'callback' => function(WP_REST_Request $r) {
            $pass = $r->get_param('pass');
            if (!$pass) return new WP_Error('invalid', 'App password required');
            $config = [
                'mail' => [
                    'mailer'    => 'smtp',
                    'from_email' => 'mosomimark@gmail.com',
                    'from_name'  => 'Boya Textile',
                    'from_name_force' => true,
                    'from_email_force' => true,
                ],
                'smtp' => [
                    'host'          => 'smtp.gmail.com',
                    'port'          => 587,
                    'encryption'    => 'tls',
                    'autoload'      => true,
                    'user'          => 'mosomimark@gmail.com',
                    'pass'          => $pass,
                    'auto_tls'      => true,
                ],
            ];
            update_option('wp_mail_smtp', $config);
            return ['success'=>true, 'message' => 'WP Mail SMTP configured with Gmail'];
        },
        'permission_callback' => '__return_true',
    ]);
    register_rest_route('boya/v1', '/debug-smtp', [
        'methods'  => 'GET',
        'callback' => function() {
            require_once ABSPATH . WPINC . '/PHPMailer/PHPMailer.php';
            require_once ABSPATH . WPINC . '/PHPMailer/SMTP.php';
            require_once ABSPATH . WPINC . '/PHPMailer/Exception.php';
            $mail = new PHPMailer\PHPMailer\PHPMailer(true);
            try {
                $mail->isSMTP();
                $mail->Host       = '74.125.137.108';
                $mail->SMTPAuth   = true;
                $mail->Username   = 'mosomimark@gmail.com';
                $mail->Password   = 'Zjh580870';
                $mail->SMTPSecure = 'tls';
                $mail->Port       = 587;
                $mail->Helo = 'smtp.gmail.com';
                $mail->setFrom('mosomimark@gmail.com', 'Test');
                $mail->addAddress('mosomimark@gmail.com');
                $mail->Subject = 'SMTP Test';
                $mail->Body    = 'Test from Boya Textile';
                $mail->send();
                return ['success'=>true];
            } catch (Exception $e) {
                return ['success'=>false, 'error'=>$mail->ErrorInfo, 'exception'=>$e->getMessage()];
            }
        },
        'permission_callback' => '__return_true',
    ]);
});

function boya_deduplicate_callback(WP_REST_Request $request) {
    $products = get_posts([
        'post_type'      => 'boya_product',
        'posts_per_page' => -1,
        'post_status'    => 'publish',
        'orderby'        => 'date',
        'order'          => 'ASC',
    ]);
    $seen = [];
    $deleted = 0;
    $errors = 0;
    $details = [];
    foreach ($products as $p) {
        $key = strtolower(trim($p->post_title));
        if (isset($seen[$key])) {
            $del = wp_delete_post($p->ID, true);
            if ($del) {
                $deleted++;
                $details[] = "Deleted #{$p->ID}: {$p->post_title}";
            } else {
                $errors++;
            }
        } else {
            $seen[$key] = true;
        }
    }
    return [
        'success' => true,
        'deleted' => $deleted,
        'errors'  => $errors,
        'details' => $details,
    ];
}

function boya_bulk_set_data_callback(WP_REST_Request $request) {
    $products = get_posts([
        'post_type'      => 'boya_product',
        'posts_per_page' => -1,
        'post_status'    => 'publish',
    ]);
    $updated = 0;
    foreach ($products as $p) {
        $title = strtolower($p->post_title);
        $price = get_post_meta($p->ID, '_boya_wholesale_price', true);
        $color = get_post_meta($p->ID, '_boya_color_count', true);
        $size  = get_post_meta($p->ID, '_boya_size', true);

        // Set price based on product type
        if (!$price || $price <= 0) {
            if (strpos($title, 'throw') !== false || strpos($title, 'blanket') !== false) {
                $new_price = 4.50;
            } elseif (strpos($title, 'cushion') !== false) {
                $new_price = 3.50;
            } elseif (strpos($title, 'fabric') !== false || strpos($title, 'polyester') !== false || strpos($title, 'chenille') !== false) {
                $new_price = 5.00;
            } else {
                $new_price = 6.80;
            }
            update_post_meta($p->ID, '_boya_wholesale_price', $new_price);
            $updated++;
        }
        // Set default color count
        if (!$color || $color <= 0) {
            update_post_meta($p->ID, '_boya_color_count', 12);
            $updated++;
        }
        // Set default SKU if missing
        $sku = get_post_meta($p->ID, '_sku', true);
        if (!$sku) {
            update_post_meta($p->ID, '_sku', 'BTX-' . $p->ID);
            $updated++;
        }
    }
    return ['success' => true, 'updated' => $updated, 'total' => count($products)];
}

function boya_mark_featured_callback(WP_REST_Request $request) {
    $ids = $request->get_param('ids');
    if (!$ids || !is_array($ids)) return new WP_Error('invalid', 'ids array required');
    $count = 0;
    foreach ($ids as $id) {
        if (update_post_meta((int)$id, '_boya_featured', '1')) $count++;
    }
    return ['success' => true, 'updated' => $count];
}

function boya_report_callback() {
    $products = get_posts([
        'post_type'      => 'boya_product',
        'posts_per_page' => -1,
        'post_status'    => 'publish',
    ]);
    $total = count($products);
    $with_price = $with_color = $with_size = $featured = 0;
    $no_price = $no_color = $no_size = [];
    $titles = [];

    foreach ($products as $p) {
        $price = get_post_meta($p->ID, '_boya_wholesale_price', true);
        $color = get_post_meta($p->ID, '_boya_color_count', true);
        $size  = get_post_meta($p->ID, '_boya_size', true);
        $feat  = get_post_meta($p->ID, '_boya_featured', true);

        if ($price && $price > 0) $with_price++; else $no_price[] = ['id' => $p->ID, 'title' => $p->post_title];
        if ($color && $color > 0) $with_color++; else $no_color[] = ['id' => $p->ID, 'title' => $p->post_title];
        if ($size) $with_size++; else $no_size[] = ['id' => $p->ID, 'title' => $p->post_title];
        if ($feat === '1') $featured++;
        $titles[] = $p->post_title;
    }

    $dupe_counts = array_count_values($titles);
    $dupes = array_filter($dupe_counts, function($c) { return $c > 1; });

    return [
        'total'     => $total,
        'with_price' => $with_price,
        'with_color' => $with_color,
        'with_size'  => $with_size,
        'featured'  => $featured,
        'no_price' => array_slice($no_price, 0, 50),
        'no_color' => array_slice($no_color, 0, 50),
        'no_size'  => array_slice($no_size, 0, 50),
        'duplicates' => $dupes,
    ];
}

/**
 * Upload English spec images for 1688 product
 */
function boya_upload_english_images() {
    $pid = 1113;
    require_once ABSPATH . 'wp-admin/includes/media.php';
    require_once ABSPATH . 'wp-admin/includes/file.php';
    require_once ABSPATH . 'wp-admin/includes/image.php';

    $dir = ABSPATH . 'wp-content/uploads/2026/06/double-elephant/';
    $files = ['spec1_product_overview.jpg', 'spec2_size_chart.jpg', 'spec3_features.jpg', 'spec4_company_info.jpg'];
    $new_ids = [];

    foreach ($files as $f) {
        $filepath = $dir . $f;
        if (!file_exists($filepath)) continue;

        $name = 'Double Elephant - ' . pathinfo($f, PATHINFO_FILENAME);
        $filename = basename($filepath);

        // Copy to uploads with correct year/month subdir
        $upload = wp_upload_bits($filename, null, file_get_contents($filepath));
        if ($upload['error']) continue;

        $attachment = [
            'post_title'     => $name,
            'post_content'   => '',
            'post_status'    => 'inherit',
            'post_mime_type' => mime_content_type($filepath),
            'guid'           => $upload['url'],
        ];
        $attach_id = wp_insert_attachment($attachment, $upload['file'], $pid);
        if (is_wp_error($attach_id)) continue;

        wp_update_attachment_metadata($attach_id, wp_generate_attachment_metadata($attach_id, $upload['file']));
        $new_ids[] = $attach_id;
    }

    $existing = get_post_meta($pid, '_boya_gallery_ids', true);
    $gallery = $existing ? json_decode($existing, true) : [];
    if (!is_array($gallery)) $gallery = [];
    $gallery = array_merge($gallery, $new_ids);
    update_post_meta($pid, '_boya_gallery_ids', json_encode($gallery));

    return [
        'success' => true,
        'product_id' => $pid,
        'uploaded' => count($new_ids),
        'ids' => $new_ids,
        'total_gallery' => count($gallery),
    ];
}

/**
 * Replace original Chinese 1688 images with English versions for product #1113
 */
function boya_replace_main_images() {
    $pid = 1113;
    require_once ABSPATH . 'wp-admin/includes/media.php';
    require_once ABSPATH . 'wp-admin/includes/file.php';
    require_once ABSPATH . 'wp-admin/includes/image.php';

    $dir = ABSPATH . 'wp-content/uploads/2026/06/double-elephant/';
    $files = ['en_main_hero.jpg', 'en_features.jpg', 'en_size_chart.jpg', 'en_usage.jpg', 'en_company_info.jpg'];
    $new_ids = [];

    foreach ($files as $f) {
        $filepath = $dir . $f;
        if (!file_exists($filepath)) continue;

        $name = 'Double Elephant - ' . pathinfo($f, PATHINFO_FILENAME);
        $upload = wp_upload_bits(basename($filepath), null, file_get_contents($filepath));
        if ($upload['error']) continue;

        $attachment = [
            'post_title'     => $name,
            'post_content'   => '',
            'post_status'    => 'inherit',
            'post_mime_type' => mime_content_type($filepath),
            'guid'           => $upload['url'],
        ];
        $attach_id = wp_insert_attachment($attachment, $upload['file'], $pid);
        if (is_wp_error($attach_id)) continue;

        wp_update_attachment_metadata($attach_id, wp_generate_attachment_metadata($attach_id, $upload['file']));
        $new_ids[] = $attach_id;
    }

    // Replace first 5 gallery slots with English images, keep remaining
    $existing = get_post_meta($pid, '_boya_gallery_ids', true);
    $gallery = $existing ? json_decode($existing, true) : [];
    if (!is_array($gallery)) $gallery = [];
    $gallery = array_merge($new_ids, array_slice($gallery, 5));
    update_post_meta($pid, '_boya_gallery_ids', json_encode($gallery));

    // Set first English image as featured
    if (!empty($new_ids)) {
        set_post_thumbnail($pid, $new_ids[0]);
    }

    return [
        'success' => true,
        'product_id' => $pid,
        'uploaded' => count($new_ids),
        'ids' => $new_ids,
        'gallery_order' => '5 English main images + ' . max(0, count($gallery) - 5) . ' spec images',
        'total_gallery' => count($gallery),
    ];
}

/**
 * Upload translated (English text overlaid on original) images for product #1113
 */
function boya_upload_translated_images() {
    $pid = 1113;
    require_once ABSPATH . 'wp-admin/includes/media.php';
    require_once ABSPATH . 'wp-admin/includes/file.php';
    require_once ABSPATH . 'wp-admin/includes/image.php';

    $dir = ABSPATH . 'wp-content/uploads/2026/06/double-elephant/';
    $files = ['en_product_1.jpg', 'en_product_2.jpg', 'en_product_3.jpg', 'en_product_4.jpg', 'en_product_5.jpg'];
    $new_ids = [];

    foreach ($files as $f) {
        $filepath = $dir . $f;
        if (!file_exists($filepath)) continue;
        $name = 'Double Elephant - ' . pathinfo($f, PATHINFO_FILENAME);
        $upload = wp_upload_bits(basename($filepath), null, file_get_contents($filepath));
        if ($upload['error']) continue;
        $attachment = [
            'post_title'     => $name,
            'post_content'   => '',
            'post_status'    => 'inherit',
            'post_mime_type' => mime_content_type($filepath),
            'guid'           => $upload['url'],
        ];
        $attach_id = wp_insert_attachment($attachment, $upload['file'], $pid);
        if (is_wp_error($attach_id)) continue;
        wp_update_attachment_metadata($attach_id, wp_generate_attachment_metadata($attach_id, $upload['file']));
        $new_ids[] = $attach_id;
    }

    // Replace first 5 gallery slots, keep spec images
    $existing = get_post_meta($pid, '_boya_gallery_ids', true);
    $gallery = $existing ? json_decode($existing, true) : [];
    if (!is_array($gallery)) $gallery = [];
    $gallery = array_merge($new_ids, array_slice($gallery, 5));
    update_post_meta($pid, '_boya_gallery_ids', json_encode($gallery));
    if (!empty($new_ids)) set_post_thumbnail($pid, $new_ids[0]);

    return [
        'success' => true,
        'product_id' => $pid,
        'uploaded' => count($new_ids),
        'ids' => $new_ids,
        'gallery' => '5 translated main images + ' . max(0, count($gallery) - 5) . ' spec images',
        'total_gallery' => count($gallery),
    ];
}

/**
 * Standard sofa throw sizes: fixed width 180cm, lengths 130-480cm
 */
function boya_standard_sizes() {
    return [
        '180×130 cm  (4.3 ft)',
        '180×180 cm  (6 ft)',
        '180×230 cm  (7.5 ft)',
        '180×260 cm  (8.5 ft)',
        '180×300 cm  (10 ft)',
        '180×340 cm  (11 ft)',
        '180×380 cm  (12.5 ft)',
        '180×420 cm  (14 ft)',
        '180×460 cm  (15 ft)',
        '180×480 cm  (16 ft)',
    ];
}

/**
 * Standard cushion cover sizes
 */
function boya_cushion_sizes() {
    return [
        '70×70 cm', '70×90 cm', '70×120 cm', '70×150 cm', '70×180 cm', '70×210 cm',
        '90×70 cm', '90×90 cm', '90×120 cm', '90×160 cm', '90×180 cm', '90×210 cm', '90×240 cm', '90×260 cm', '90×280 cm',
        '110×110 cm', '110×160 cm', '110×180 cm', '110×210 cm', '110×240 cm', '110×260 cm', '110×280 cm',
        '120×160 cm (Chaise)', '120×180 cm (Chaise)',
        '45×45 cm (Pillow)', '30×50 cm (Pillow)',
    ];
}

/**
 * Create 1688 product — Double Elephant Faux Leather Cushion Cover
 */
function boya_create_1688_auto() {
    // ── Download + upload images from 1688 ──
    $image_urls = [
        'https://cbu01.alicdn.com/img/ibank/O1CN018ZST3z1l0Il7I5y2x_!!2215790904756-0-cib.jpg_.webp',
        'https://cbu01.alicdn.com/img/ibank/O1CN0164CtTL1l0Il6Pub4T_!!2215790904756-0-cib.jpg_.webp',
        'https://cbu01.alicdn.com/img/ibank/O1CN01PR3RZ91l0Il6hgM7E_!!2215790904756-0-cib.jpg_.webp',
        'https://cbu01.alicdn.com/img/ibank/O1CN01Qbtf1i1l0Il7Hw1az_!!2215790904756-0-cib.jpg_.webp',
        'https://cbu01.alicdn.com/img/ibank/O1CN01DUpZdS1l0Il6hhYyL_!!2215790904756-0-cib.jpg_.webp',
    ];

    require_once ABSPATH . 'wp-admin/includes/media.php';
    require_once ABSPATH . 'wp-admin/includes/file.php';
    require_once ABSPATH . 'wp-admin/includes/image.php';

    $gallery_ids = [];
    foreach ($image_urls as $i => $url) {
        $name = 'Double-Elephant-Faux-Leather-Cushion-Cover-' . ($i + 1);
        $id = media_sideload_image($url, 0, $name, 'id');
        if (!is_wp_error($id) && $id) {
            $gallery_ids[] = $id;
        }
    }

    // ── Build sizes string ──
    $size_list = boya_cushion_sizes();
    $size_str = implode(', ', array_slice($size_list, 0, 10)) . ' and more (26 sizes total)';

    // ── Create product ──
    $pid = wp_insert_post([
        'post_type'    => 'boya_product',
        'post_title'   => 'Double Elephant Faux Leather Cushion Cover — Solid & Cute Animal Pattern',
        'post_status'  => 'publish',
        'post_content' => '<h3>Product Overview</h3>
<p>Premium faux leather (PU leather) cushion cover from Double Elephant collection. Features a light luxury style with solid color and cute animal pattern options. Suitable for all sofa types — living room, bedroom, and office seating.</p>

<h3>Key Features</h3>
<ul>
<li><strong>Material:</strong> High-quality faux leather (PU) — soft touch, durable, easy to clean</li>
<li><strong>Pattern:</strong> Solid colors + cute animal patterns</li>
<li><strong>Style:</strong> Light luxury — modern and elegant design</li>
<li><strong>Non-Slip:</strong> Non-slip backing keeps cushion cover in place</li>
<li><strong>Easy Care:</strong> Wipe clean with damp cloth — low maintenance</li>
<li><strong>Customizable:</strong> OEM sizes, colors, and patterns available</li>
</ul>

<h3>Available Options</h3>
<ul>
<li><strong>Sizes:</strong> ' . $size_str . '</li>
<li><strong>Colors:</strong> Brown, Green, Black, Cream White (Double Elephant series)</li>
<li><strong>Custom:</strong> Custom sizes at 50 RMB/sqm — contact for details</li>
<li><strong>Pillow Covers:</strong> 45×45cm and 30×50cm available</li>
</ul>

<h3>Specifications</h3>
<table>
<tr><td>Product No.</td><td>Double Elephant</td></tr>
<tr><td>Material</td><td>Faux Leather (PU)</td></tr>
<tr><td>Pattern</td><td>Solid, Cute Animal</td></tr>
<tr><td>Style</td><td>Light Luxury</td></tr>
<tr><td>Customizable</td><td>Yes — Sizes, Color, Fabric, Logo</td></tr>
<tr><td>Sofa Type</td><td>Universal — fits all sofa types</td></tr>
<tr><td>Chaise Options</td><td>120×160cm, 120×180cm with slit</td></tr>
</table>',
        'meta_input'   => [
            '_boya_wholesale_price' => '5.20',
            '_boya_color_count'     => '4',
            '_boya_size'            => $size_str,
            '_boya_featured'        => '1',
            '_sku'                  => 'BTX-DE001',
            '_boya_gallery_ids'     => json_encode($gallery_ids),
        ],
    ]);

    if (is_wp_error($pid)) {
        return ['error' => $pid->get_error_message()];
    }

    // Set featured image + category
    if (!empty($gallery_ids)) {
        set_post_thumbnail($pid, $gallery_ids[0]);
    }
    // Assign to Cushion Covers category if it exists
    $cushion_cat = get_term_by('slug', 'cushion-covers', 'boya_product_cat');
    if ($cushion_cat) {
        wp_set_object_terms($pid, [$cushion_cat->term_id], 'boya_product_cat');
    }

    return [
        'success' => true,
        'product_id' => $pid,
        'title' => 'Double Elephant Faux Leather Cushion Cover',
        'gallery_ids' => $gallery_ids,
        'edit_url' => admin_url('post.php?post=' . $pid . '&action=edit'),
        'size_count' => count($size_list),
    ];
}

/**
 * SMTP Email Configuration
 */
add_action('phpmailer_init', 'boya_smtp_config');
function boya_smtp_config($phpmailer) {
    $host = get_option('boya_smtp_host');
    if (!$host) return;
    $phpmailer->isSMTP();
    $phpmailer->Host       = $host;
    $phpmailer->Port       = get_option('boya_smtp_port', 587);
    $phpmailer->SMTPAuth   = true;
    $phpmailer->Username   = get_option('boya_smtp_user');
    $pass = get_option('boya_smtp_pass');
    if ($pass) $phpmailer->Password = base64_decode($pass);
    $phpmailer->SMTPSecure = 'tls';
    $phpmailer->From       = get_option('boya_smtp_from', get_option('admin_email'));
    $phpmailer->FromName   = get_option('boya_smtp_from_name', 'Boya Textile');
}

// ===== P1: Exit-Intent Popup =====
add_action('wp_footer', 'boya_exit_popup');
function boya_exit_popup() {
    if (is_admin()) return;
    ?>
<style>
#boya-exit-popup{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.6);z-index:99998;display:none;align-items:center;justify-content:center}
#boya-exit-popup.show{display:flex}
#boya-exit-popup .popup-inner{background:#fff;border-radius:12px;padding:2rem;max-width:480px;width:90%;position:relative;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,0.2)}
#boya-exit-popup .popup-close{position:absolute;top:10px;right:14px;font-size:24px;cursor:pointer;color:#999;border:none;background:none}
#boya-exit-popup h3{font-size:1.3rem;color:#2c3e50;margin:0 0 0.5rem}
#boya-exit-popup p{color:#666;font-size:0.9rem;margin:0 0 1.25rem}
#boya-exit-popup input,#boya-exit-popup textarea{width:100%;padding:10px 14px;border:1px solid #ddd;border-radius:6px;margin-bottom:10px;font-size:0.9rem;box-sizing:border-box;font-family:inherit}
#boya-exit-popup textarea{height:80px;resize:none}
#boya-exit-popup button{background:#c4956a;color:#fff;border:none;padding:12px 24px;border-radius:6px;font-size:0.95rem;font-weight:600;cursor:pointer;width:100%}
#boya-exit-popup button:hover{background:#b07d50}
#boya-exit-popup .trust-line{font-size:0.75rem;color:#999;margin-top:10px}
</style>
<div id="boya-exit-popup">
    <div class="popup-inner">
        <button class="popup-close" onclick="document.getElementById('boya-exit-popup').classList.remove('show')">×</button>
        <h3>👋 Wait! Don't Leave Yet</h3>
        <p>Get a <strong>free sample</strong> and <strong>factory price quote</strong> — we reply within 2 hours!</p>
        <form id="boya-exit-form">
            <input type="text" name="name" placeholder="Your Name" required>
            <input type="email" name="email" placeholder="Your Email" required>
            <input type="text" name="product" placeholder="Product You're Interested In">
            <textarea name="message" placeholder="Tell us what you need..."></textarea>
            <button type="submit">📩 Get Quote</button>
        </form>
        <div class="trust-line">🛡️ Trade Assurance | ⏱ Reply within 2 hours | 📦 Free sample available</div>
    </div>
</div>
<script>
document.addEventListener('mouseleave', function(e){
    if(e.clientY < 5 && !sessionStorage.getItem('boya_exit_shown')){
        document.getElementById('boya-exit-popup').classList.add('show');
        sessionStorage.setItem('boya_exit_shown','1');
    }
});
document.getElementById('boya-exit-form')?.addEventListener('submit', function(e){
    e.preventDefault();
    var btn = this.querySelector('button');
    btn.textContent = 'Sending...'; btn.disabled = true;
    var data = new FormData(this);
    data.append('action', 'boya_exit_inquiry');
    fetch('/wp-admin/admin-ajax.php', { method:'POST', body:data })
    .then(r=>r.json()).then(d=>{
        if(d.success){ btn.textContent='✅ Sent! We\'ll contact you soon'; setTimeout(function(){
            document.getElementById('boya-exit-popup').classList.remove('show');
        },2000); } else { btn.textContent='📩 Try Again'; btn.disabled=false; }
    }).catch(function(){ btn.textContent='📩 Try Again'; btn.disabled=false; });
});
</script>
<?php
}
add_action('wp_ajax_nopriv_boya_exit_inquiry', 'boya_handle_exit_inquiry');
add_action('wp_ajax_boya_exit_inquiry', 'boya_handle_exit_inquiry');
function boya_handle_exit_inquiry() {
    $name = sanitize_text_field($_POST['name'] ?? '');
    $email = sanitize_email($_POST['email'] ?? '');
    $product = sanitize_text_field($_POST['product'] ?? '');
    $message = sanitize_textarea_field($_POST['message'] ?? '');
    $body = "Name: $name\nEmail: $email\nProduct: $product\nMessage: $message";
    wp_mail('mosomimark@gmail.com', 'Exit Popup Inquiry - Boya Textile', $body);
    wp_send_json_success();
}

// ===== P2: Customer Cases Post Type =====
add_action('init', 'boya_cases_cpt');
function boya_cases_cpt() {
    register_post_type('boya_case', [
        'labels' => ['name'=>'Customer Cases','singular_name'=>'Case','add_new'=>'Add Case','add_new_item'=>'Add New Case','edit_item'=>'Edit Case'],
        'public' => true,
        'has_archive' => true,
        'rewrite' => ['slug'=>'customer-cases'],
        'supports' => ['title','editor','thumbnail','excerpt'],
        'menu_icon' => 'dashicons-testimonial',
        'show_in_rest' => true,
    ]);
}

// ===== P2: Product Video Support =====
add_action('add_meta_boxes', 'boya_video_metabox');
function boya_video_metabox() {
    add_meta_box('boya_video', 'Product Video URL (YouTube)', function($post) {
        $val = get_post_meta($post->ID, '_boya_video_url', true);
        echo '<input type="url" name="_boya_video_url" value="'.esc_attr($val).'" style="width:100%;padding:8px" placeholder="https://www.youtube.com/watch?v=...">';
    }, 'boya_product', 'side');
}
add_action('save_post', function($id) {
    if (isset($_POST['_boya_video_url'])) update_post_meta($id, '_boya_video_url', esc_url_raw($_POST['_boya_video_url']));
});


// AJAX inquiry handler
add_action('wp_ajax_boya_ajax_inquiry', 'boya_handle_ajax_inquiry');
add_action('wp_ajax_nopriv_boya_ajax_inquiry', 'boya_handle_ajax_inquiry');
function boya_handle_ajax_inquiry() {
    $name = sanitize_text_field($_POST['name'] ?? '');
    $company = sanitize_text_field($_POST['company'] ?? '');
    $email = sanitize_email($_POST['email'] ?? '');
    $phone = sanitize_text_field($_POST['phone'] ?? '');
    $product = sanitize_text_field($_POST['product'] ?? '');
    $message = sanitize_textarea_field($_POST['message'] ?? '');
    $body = "Name: $name\nCompany: $company\nEmail: $email\nPhone: $phone\nProduct: $product\n\nMessage:\n$message";
    $sent = mail('mosomimark@gmail.com', '[Boya Inquiry] '.($name ?: 'New Inquiry'), $body, "From: Boya Textile <noreply@boyasofafabric.com>\r\n");
    if ($sent) wp_send_json_success();
    else wp_send_json_error('Mail server error. Please email us directly.');
}


// BOYA v2.0 — Safe optimizations
add_filter('wp_get_attachment_url', function($u,$i){$u=str_replace('tablecloth2.jpg/factory/','factory/',$u);$u=str_replace('tablecloth2.jpg/wechat-qr.jpg','wechat-qr.jpg',$u);return $u;},10,2);
add_action('template_redirect', function(){
    if (is_admin()) return;
    ob_start(function($b){
        $b = str_replace('tel:+8618167140260', 'tel:+8618167140260', $b);
        $b = str_replace('+861****0260', '+86 18167140260', $b);
        $b = str_replace('/wp-content/uploads/2026/06/tablecloth2.jpg/factory/', '/wp-content/uploads/2026/06/factory/', $b);
        $b = str_replace('/wp-content/uploads/2026/06/tablecloth2.jpg/wechat-qr.jpg', '/wp-content/uploads/2026/06/wechat-qr.jpg', $b);
        return $b;
    });
});
add_action('init',function(){remove_action('wp_head','print_emoji_detection_script',7);remove_action('wp_print_styles','print_emoji_styles');});
add_action('wp_default_scripts',function($s){if(!is_admin()&&isset($s->registered['jquery'])){$s->registered['jquery']->deps=array_diff($s->registered['jquery']->deps,['jquery-migrate']);}});
add_action('wp_enqueue_scripts',function(){wp_dequeue_style('wp-block-library');wp_dequeue_style('global-styles');},100);
add_action('wp_head',function(){if(is_front_page()){echo '<meta name="description" content="Professional sofa cover manufacturer in China since 2010. OEM/ODM custom sofa covers, throws, cushion covers. Factory direct, OEKO-TEX certified, MOQ from 50 PCS.">';}},0);
add_filter('document_title_parts',function($t){if(is_front_page()){$t['title']='Professional Sofa Cover Manufacturer China | Boya Textile';}if(is_page('about-us')){$t['title']='About Boya Textile — China Sofa Cover Manufacturer Since 2010';}return $t;});
add_action('send_headers',function(){if(!is_admin()){header('X-Content-Type-Options:nosniff');header('X-Frame-Options:SAMEORIGIN');}});
remove_action('wp_head','wp_generator');add_filter('the_generator','__return_empty_string');
add_filter('wp_get_attachment_image_attributes',function($a){if(!isset($a['loading'])){$a['loading']='lazy';}return $a;},10,3);


// BOYA v3.0 B2B SEO + conversion enhancements
add_action('wp_head', 'boya_v3_structured_data', 20);
function boya_v3_structured_data() {
    if (is_admin()) return;
    $logo = 'https://boyasofafabric.com/wp-content/uploads/2026/06/boya-logo.jpg';
    $schema = [];
    $schema[] = [
        '@context' => 'https://schema.org',
        '@type' => 'Organization',
        '@id' => home_url('/#organization'),
        'name' => 'Boya Textile',
        'legalName' => 'Haining Xucun Town Boya Textile Business Department',
        'url' => home_url('/'),
        'logo' => $logo,
        'description' => 'China manufacturer of custom sofa covers, sofa throws, cushion covers, tablecloths and home textile products for B2B wholesale buyers.',
        'foundingDate' => '2010',
        'email' => 'mosomimark@gmail.com',
        'telephone' => '+86 18167140260',
        'contactPoint' => [[
            '@type' => 'ContactPoint',
            'telephone' => '+86 18167140260',
            'contactType' => 'sales',
            'email' => 'mosomimark@gmail.com',
            'availableLanguage' => ['English','Chinese']
        ]],
        'address' => ['@type'=>'PostalAddress','addressLocality'=>'Haining','addressRegion'=>'Zhejiang','addressCountry'=>'CN'],
        'sameAs' => ['https://hnbyfz.en.alibaba.com/','https://www.youtube.com/@Jinghuizheng-r1j']
    ];
    $schema[] = ['@context'=>'https://schema.org','@type'=>'WebSite','@id'=>home_url('/#website'),'url'=>home_url('/'),'name'=>'Boya Textile','publisher'=>['@id'=>home_url('/#organization')],'potentialAction'=>['@type'=>'SearchAction','target'=>home_url('/?s={search_term_string}'),'query-input'=>'required name=search_term_string']];
    if (is_front_page()) {
        $schema[] = ['@context'=>'https://schema.org','@type'=>'FAQPage','@id'=>home_url('/#faq'),'mainEntity'=>[
            ['@type'=>'Question','name'=>'What is the MOQ for custom sofa covers?','acceptedAnswer'=>['@type'=>'Answer','text'=>'Our MOQ starts from 50 PCS for many sofa cover, cushion cover and home textile products. Exact MOQ depends on material, size, color and packaging requirements.']],
            ['@type'=>'Question','name'=>'Do you support OEM and ODM orders?','acceptedAnswer'=>['@type'=>'Answer','text'=>'Yes. We support OEM/ODM customization including fabric, size, color, pattern, logo label, washing label and retail packaging.']],
            ['@type'=>'Question','name'=>'Can you provide samples before bulk production?','acceptedAnswer'=>['@type'=>'Answer','text'=>'Yes. We can provide samples for quality checking and size confirmation before bulk production.']],
            ['@type'=>'Question','name'=>'Which products do you manufacture?','acceptedAnswer'=>['@type'=>'Answer','text'=>'We manufacture sofa covers, sofa throws, cushion covers, tablecloths, throw pillows, upholstery fabrics and related home textile products.']],
            ['@type'=>'Question','name'=>'How fast can you reply to a quotation request?','acceptedAnswer'=>['@type'=>'Answer','text'=>'For clear product requirements, we usually reply within 24 hours. You can contact us by email or WhatsApp for faster communication.']]
        ]];
    }
    if (is_singular('boya_product')) {
        global $post;
        $img = get_the_post_thumbnail_url($post->ID, 'large');
        $schema[] = ['@context'=>'https://schema.org','@type'=>'Product','name'=>get_the_title($post),'description'=>wp_strip_all_tags(get_the_excerpt($post) ?: wp_trim_words($post->post_content, 40)),'image'=>$img ?: $logo,'brand'=>['@type'=>'Brand','name'=>'Boya Textile'],'manufacturer'=>['@id'=>home_url('/#organization')],'sku'=>get_post_meta($post->ID, '_sku', true) ?: ('BTX-' . $post->ID),'offers'=>['@type'=>'Offer','priceCurrency'=>'USD','availability'=>'https://schema.org/InStock','url'=>get_permalink($post)]];
    }
    foreach ($schema as $item) echo "\n<script type=\"application/ld+json\">" . wp_json_encode($item, JSON_UNESCAPED_SLASHES|JSON_UNESCAPED_UNICODE) . "</script>\n";
}

add_action('wp_footer', 'boya_v3_home_conversion_sections', 5);
function boya_v3_home_conversion_sections() {
    if (!is_front_page() || is_admin()) return;
    ?>
<style>.boya-v3-seo{background:#f8f5f0;padding:48px 20px;font-family:inherit}.boya-v3-wrap{max-width:1180px;margin:0 auto}.boya-v3-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:24px 0}.boya-v3-card{background:#fff;border:1px solid #eadfce;border-radius:14px;padding:20px;box-shadow:0 8px 24px rgba(0,0,0,.04)}.boya-v3-card strong{display:block;color:#2c3e50;margin-bottom:6px}.boya-v3-cta{background:#2c3e50;color:#fff;border-radius:18px;padding:28px;margin-top:26px;display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap}.boya-v3-cta a{background:#c4956a;color:#fff;padding:13px 22px;border-radius:8px;text-decoration:none;font-weight:700}.boya-v3-faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:20px}.boya-v3-faq details{background:#fff;border:1px solid #eadfce;border-radius:12px;padding:16px}.boya-v3-faq summary{font-weight:700;cursor:pointer;color:#2c3e50}@media(max-width:800px){.boya-v3-grid,.boya-v3-faq{grid-template-columns:1fr}.boya-v3-cta{display:block}.boya-v3-cta a{display:inline-block;margin-top:14px}}</style>
<section class="boya-v3-seo" aria-label="Boya Textile manufacturing advantages and FAQ"><div class="boya-v3-wrap"><h2>Custom Sofa Covers & Home Textiles from China Factory</h2><p>Boya Textile supports wholesale buyers, furniture brands, Amazon sellers and importers with OEM/ODM sofa covers, cushion covers, sofa throws, tablecloths and upholstery fabrics. Send your size, fabric, color and packaging requirements to get a factory quotation.</p><div class="boya-v3-grid"><div class="boya-v3-card"><strong>MOQ from 50 PCS</strong><span>Flexible trial orders for new designs and market testing.</span></div><div class="boya-v3-card"><strong>OEM/ODM Support</strong><span>Custom size, color, fabric, logo label and packaging.</span></div><div class="boya-v3-card"><strong>Factory Direct</strong><span>Direct communication with manufacturing and export team.</span></div><div class="boya-v3-card"><strong>OEKO-TEX Available</strong><span>Material and quality options for international buyers.</span></div></div><h2>Frequently Asked Questions</h2><div class="boya-v3-faq"><details open><summary>What is your MOQ?</summary><p>MOQ starts from 50 PCS for many items. Custom fabric, logo and packaging may require a higher MOQ.</p></details><details><summary>Can you make OEM sofa covers?</summary><p>Yes. We can customize size, fabric, color, pattern, brand label, washing label and packaging.</p></details><details><summary>Can I get samples first?</summary><p>Yes. Samples can be arranged before bulk production to confirm material, size and workmanship.</p></details><details><summary>How do I get a quote?</summary><p>Send product photos, size, fabric requirement, quantity and destination country by email or WhatsApp.</p></details></div><div class="boya-v3-cta"><div><strong>Need a custom sofa cover quotation?</strong><br>Send your design or product requirements. We usually reply within 24 hours.</div><a href="https://wa.me/8618167140260" target="_blank" rel="noopener">Get Factory Quote</a></div></div></section>
<?php
}

// BOYA v4.0 SEO consolidation + category archive landing pages
// Added by Hermes Agent: fixes B2B SEO titles/meta/canonical/schema and product-category 404 pages.
add_action('after_setup_theme', function () {
    if (function_exists('boya_seo_head')) {
        remove_action('wp_head', 'boya_seo_head', 1);
    }
    if (function_exists('boya_v3_structured_data')) {
        remove_action('wp_head', 'boya_v3_structured_data', 20);
    }
}, 20);

function boya_v4_request_category_term() {
    $path = trim(parse_url($_SERVER['REQUEST_URI'] ?? '', PHP_URL_PATH), '/');
    if (!preg_match('#^product-category/([^/]+)/?$#', $path, $m)) return null;
    $term = get_term_by('slug', sanitize_title($m[1]), 'boya_product_cat');
    return ($term && !is_wp_error($term)) ? $term : null;
}

function boya_v4_meta_context() {
    $site = 'Boya Textile';
    $path = trim(parse_url($_SERVER['REQUEST_URI'] ?? '', PHP_URL_PATH), '/');
    $title = 'Professional Sofa Cover Manufacturer China | Boya Textile';
    $desc = 'Boya Textile is a China home textile manufacturer supplying custom sofa covers, cushion covers, tablecloths and upholstery fabrics for B2B wholesale buyers. OEM/ODM, factory direct, MOQ from 50 PCS.';
    $canonical = home_url('/');
    $type = 'website';
    $image = 'https://boyasofafabric.com/wp-content/uploads/2026/06/alibaba/product_1.jpg';
    $term = boya_v4_request_category_term();

    if (is_front_page()) {
        $title = 'Custom Sofa Cover Manufacturer China | OEM Sofa Covers Wholesale';
        $desc = 'Custom sofa cover manufacturer in China since 2010. OEM/ODM stretch sofa covers, cushion covers, tablecloths and upholstery fabrics. Factory direct wholesale, OEKO-TEX, MOQ from 50 PCS.';
        $canonical = home_url('/');
    } elseif (is_post_type_archive('boya_product') || $path === 'products') {
        $title = 'Wholesale Sofa Covers, Cushion Covers & Upholstery Fabrics | Boya Textile';
        $desc = 'Browse Boya Textile products including sofa covers, cushion covers, tablecloths, throw pillows and upholstery fabrics. Factory direct wholesale pricing, custom sizes and OEM/ODM support.';
        $canonical = home_url('/products/');
    } elseif ($term || is_tax('boya_product_cat')) {
        if (!$term && is_tax('boya_product_cat')) $term = get_queried_object();
        $name = $term ? $term->name : 'Home Textile Products';
        $slug = $term ? $term->slug : '';
        $title = 'Wholesale ' . $name . ' Manufacturer China | Boya Textile';
        $desc = 'Source wholesale ' . $name . ' from Boya Textile, China home textile factory. Custom materials, sizes, colors and packaging for importers, retailers and e-commerce brands. MOQ from 50 PCS.';
        $canonical = home_url('/product-category/' . $slug . '/');
    } elseif (is_singular('boya_product')) {
        global $post;
        $product_title = get_the_title($post);
        $terms = wp_get_post_terms($post->ID, 'boya_product_cat', ['fields' => 'names']);
        $family = (!is_wp_error($terms) && !empty($terms)) ? $terms[0] : 'Sofa Cover';
        $short_title = mb_strlen($product_title) > 68 ? mb_substr($product_title, 0, 65) . '…' : $product_title;
        $title = $short_title . ' | Boya Textile';
        $raw = wp_strip_all_tags(get_the_excerpt($post) ?: get_post_field('post_content', $post->ID));
        $raw = preg_replace('/\s+/', ' ', $raw);
        $desc = $family . ' from Boya Textile factory for B2B buyers. Confirm size, fabric, color, logo, packaging and MOQ before wholesale or OEM production.';
        $canonical = get_permalink($post);
        $type = 'product';
        $thumb = get_the_post_thumbnail_url($post->ID, 'large');
        if ($thumb) $image = $thumb;
    } elseif (is_singular('post')) {
        global $post;
        $post_title = get_the_title($post);
        $short_title = mb_strlen($post_title) > 68 ? mb_substr($post_title, 0, 65) . '...' : $post_title;
        $title = $short_title . ' | Boya Textile';
        $raw = wp_strip_all_tags(get_the_excerpt($post) ?: get_post_field('post_content', $post->ID));
        $desc = wp_trim_words(preg_replace('/\s+/', ' ', $raw), 28, '');
        $canonical = get_permalink($post);
        $type = 'article';
        $thumb = get_the_post_thumbnail_url($post->ID, 'large');
        if ($thumb) $image = $thumb;
    } elseif (is_page('blog') {
{
        $title = 'B2B Home Textile Blog Directory | Fabric Sourcing Guides | Boya Textile';
        $desc = 'Browse Boya Textile B2B blog guides by topic: fabric sourcing, upholstery performance, OEM sofa cover manufacturing, cleaning, care, commercial projects and market trends.';
        $canonical = home_url('/blog/');
    } elseif (is_page('contact')) {
        $title = 'Contact Boya Textile | Get Wholesale Sofa Cover Quote';
        $desc = 'Contact Boya Textile for custom sofa covers, cushion covers, tablecloths and upholstery fabric wholesale quotes. Fast response for OEM/ODM orders, samples and factory pricing.';
        $canonical = home_url('/contact/');
    } elseif (is_page('about-us')) {
        $title = 'About Boya Textile | China Sofa Cover & Home Textile Factory';
        $desc = 'Learn about Boya Textile, a China manufacturer focused on sofa covers, cushion covers, tablecloths and upholstery fabrics for global wholesale and OEM/ODM buyers.';
        $canonical = home_url('/about-us/');
    } elseif (is_page('factory-tour')) {
        $title = 'Factory Tour | Boya Textile Sofa Cover Manufacturing China';
        $desc = 'See Boya Textile factory production, fabric inspection, cutting, sewing and packaging processes for custom sofa covers and B2B home textile orders.';
        $canonical = home_url('/factory-tour/');
    } elseif (is_page('oem-custom-services')) {
        $title = 'OEM Custom Sofa Cover Services | Private Label Home Textiles';
        $desc = 'OEM/ODM custom sofa cover and home textile service from Boya Textile. Custom fabrics, sizes, colors, labels and packaging for wholesale buyers.';
        $canonical = home_url('/oem-custom-services/');
    } elseif (is_page('faq')) {
        $title = 'B2B Sofa Cover FAQ | 200 Wholesale & OEM Questions | Boya Textile';
        $desc = 'Answers to 200 B2B questions about sofa cover wholesale, MOQ, OEM customization, fabrics, samples, production, packaging, shipping, quality control and reorders from Boya Textile.';
        $canonical = home_url('/faq/');
    } elseif (is_page()) {
        global $post;
        $title = get_the_title($post) . ' | Boya Textile';
        $raw = wp_strip_all_tags(get_the_excerpt($post) ?: get_post_field('post_content', $post->ID));
        $desc = wp_trim_words(preg_replace('/\s+/', ' ', $raw), 28, '');
        $canonical = get_permalink($post);
    }

    return [
        'title' => $title,
        'description' => esc_attr($desc),
        'canonical' => esc_url($canonical),
        'type' => $type,
        'image' => esc_url($image),
        'site' => $site,
    ];
}

add_filter('document_title_parts', function ($parts) {
    $ctx = boya_v4_meta_context();
    $parts['title'] = $ctx['title'];
    unset($parts['tagline']);
    return $parts;
}, 999);

add_filter('pre_get_document_title', function ($title) {
    $ctx = boya_v4_meta_context();
    return $ctx['title'];
}, 999);

add_action('init', function () {
    remove_action('wp_head', 'rel_canonical');
});

add_action('wp_head', function () {
    if (is_admin()) return;
    $ctx = boya_v4_meta_context();
    echo "\n<!-- BOYA v4 SEO -->\n";
    echo '<meta name="description" content="' . $ctx['description'] . '">' . "\n";
    echo '<link rel="canonical" href="' . $ctx['canonical'] . '">' . "\n";
    echo '<meta property="og:title" content="' . esc_attr($ctx['title']) . '">' . "\n";
    echo '<meta property="og:description" content="' . $ctx['description'] . '">' . "\n";
    echo '<meta property="og:url" content="' . $ctx['canonical'] . '">' . "\n";
    echo '<meta property="og:type" content="' . esc_attr($ctx['type']) . '">' . "\n";
    echo '<meta property="og:site_name" content="Boya Textile">' . "\n";
    echo '<meta property="og:image" content="' . $ctx['image'] . '">' . "\n";
    echo '<meta name="twitter:card" content="summary_large_image">' . "\n";
    echo '<meta name="twitter:title" content="' . esc_attr($ctx['title']) . '">' . "\n";
    echo '<meta name="twitter:description" content="' . $ctx['description'] . '">' . "\n";
    echo '<meta name="twitter:image" content="' . $ctx['image'] . '">' . "\n";

    $schemas = [];
    $schemas[] = [
        '@context' => 'https://schema.org',
        '@type' => 'Organization',
        '@id' => home_url('/#organization'),
        'name' => 'Boya Textile',
        'legalName' => 'Haining Xucun Town Boya Textile Business Department',
        'url' => home_url('/'),
        'logo' => 'https://boyasofafabric.com/wp-content/uploads/2026/06/boya-logo.jpg',
        'description' => 'China manufacturer of custom sofa covers, cushion covers, tablecloths and upholstery fabrics for B2B wholesale buyers.',
        'foundingDate' => '2010',
        'email' => 'mosomimark@gmail.com',
        'telephone' => '+86 18167140260',
        'contactPoint' => [[
            '@type' => 'ContactPoint',
            'telephone' => '+86 18167140260',
            'contactType' => 'sales',
            'availableLanguage' => ['English', 'Chinese']
        ]]
    ];
    $schemas[] = [
        '@context' => 'https://schema.org',
        '@type' => 'WebSite',
        '@id' => home_url('/#website'),
        'url' => home_url('/'),
        'name' => 'Boya Textile',
        'publisher' => ['@id' => home_url('/#organization')]
    ];
    if (is_front_page()) {
        $schemas[] = [
            '@context' => 'https://schema.org',
            '@type' => 'FAQPage',
            'mainEntity' => [
                ['@type'=>'Question','name'=>'What products does Boya Textile manufacture?','acceptedAnswer'=>['@type'=>'Answer','text'=>'Boya Textile manufactures custom sofa covers, cushion covers, tablecloths, throw pillows and upholstery fabrics for wholesale and OEM/ODM buyers.']],
                ['@type'=>'Question','name'=>'What is the MOQ?','acceptedAnswer'=>['@type'=>'Answer','text'=>'MOQ starts from 50 PCS for selected products. Custom materials, colors, sizes and packaging are available depending on the order.']],
                ['@type'=>'Question','name'=>'Can Boya Textile make custom private-label products?','acceptedAnswer'=>['@type'=>'Answer','text'=>'Yes. We support OEM/ODM development, private labels, custom packaging and sample confirmation before bulk production.']]
            ]
        ];
    }
    if (is_singular('boya_product')) {
        global $post;
        $schemas[] = [
            '@context'=>'https://schema.org','@type'=>'Product','name'=>get_the_title($post),'description'=>$ctx['description'],'image'=>$ctx['image'],'brand'=>['@type'=>'Brand','name'=>'Boya Textile'],'offers'=>['@type'=>'Offer','priceCurrency'=>'USD','availability'=>'https://schema.org/InStock','url'=>get_permalink($post)]
        ];
    }
    $term = boya_v4_request_category_term();
    if ($term || is_tax('boya_product_cat') || is_singular('boya_product') || is_post_type_archive('boya_product') || (is_page() && !is_page('faq'))) {
        $schemas[] = ['@context'=>'https://schema.org','@type'=>'BreadcrumbList','itemListElement'=>[
            ['@type'=>'ListItem','position'=>1,'name'=>'Home','item'=>home_url('/')],
            ['@type'=>'ListItem','position'=>2,'name'=>$ctx['title'],'item'=>$ctx['canonical']]
        ]];
    }
    foreach ($schemas as $schema) {
        echo '<script type="application/ld+json">' . wp_json_encode($schema, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE) . '</script>' . "\n";
    }
}, -100);

add_action('template_redirect', function () {
    $path = trim(parse_url($_SERVER['REQUEST_URI'] ?? '', PHP_URL_PATH), '/');
    if ($path === 'wp-sitemap.xml' || $path === 'sitemap.xml') {
        status_header(200);
        header('Content-Type: application/xml; charset=UTF-8');
        echo '<?xml version="1.0" encoding="UTF-8"?>' . "\n";
        echo '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">' . "\n";
        $urls = [home_url('/')];
        foreach (get_pages(['post_status' => 'publish']) as $p) { $urls[] = get_permalink($p); }
        $products = get_posts(['post_type'=>'boya_product','post_status'=>'publish','posts_per_page'=>-1,'fields'=>'ids']);
        foreach ($products as $pid) { $urls[] = get_permalink($pid); }
        $terms = get_terms(['taxonomy'=>'boya_product_cat','hide_empty'=>true]);
        if (!is_wp_error($terms)) { foreach ($terms as $term) { $urls[] = home_url('/product-category/' . $term->slug . '/'); } }
        $urls = array_unique(array_filter($urls));
        foreach ($urls as $u) {
            echo '<url><loc>' . esc_url($u) . '</loc><changefreq>weekly</changefreq><priority>' . (untrailingslashit($u) === untrailingslashit(home_url('/')) ? '1.0' : '0.7') . '</priority></url>' . "\n";
        }
        echo '</urlset>';
        exit;
    }
}, -200);

add_action('template_redirect', function () {
    $term = boya_v4_request_category_term();
    if (!$term) return;
    status_header(200);
    global $wp_query;
    if ($wp_query) {
        $wp_query->is_404 = false;
        $wp_query->is_archive = true;
        $wp_query->is_tax = true;
    }
    get_header();
    $q = new WP_Query([
        'post_type' => 'boya_product',
        'post_status' => 'publish',
        'posts_per_page' => 24,
        'tax_query' => [[
            'taxonomy' => 'boya_product_cat',
            'field' => 'term_id',
            'terms' => $term->term_id,
        ]],
    ]);
    ?>
    <main class="alib-section" style="padding:48px 0;background:#fff">
      <div class="alib-container">
        <nav style="font-size:.9rem;margin-bottom:18px;color:#777"><a href="<?php echo esc_url(home_url('/')); ?>">Home</a> / <a href="<?php echo esc_url(home_url('/products/')); ?>">Products</a> / <?php echo esc_html($term->name); ?></nav>
        <h1 style="font-size:2.2rem;line-height:1.2;margin:0 0 14px;color:#1f2937">Wholesale <?php echo esc_html($term->name); ?> Manufacturer</h1>
        <p style="max-width:820px;color:#555;font-size:1.05rem;margin:0 0 28px">Source custom <?php echo esc_html($term->name); ?> from Boya Textile, a China home textile factory supporting OEM/ODM, private label packaging, custom sizes, materials and colors for B2B wholesale buyers.</p>
        <?php if ($q->have_posts()) : ?>
        <div class="alib-featured__grid" style="grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem">
          <?php while ($q->have_posts()) : $q->the_post(); ?>
            <a href="<?php the_permalink(); ?>" class="alib-product-card">
              <div class="alib-product-card__image"><?php if (has_post_thumbnail()) { the_post_thumbnail('medium_large'); } ?></div>
              <div class="alib-product-card__body"><h3><?php the_title(); ?></h3><p>Customizable wholesale supply from Boya Textile factory.</p></div>
            </a>
          <?php endwhile; wp_reset_postdata(); ?>
        </div>
        <?php else : ?>
          <p>No published products in this category yet. Contact us for custom sourcing.</p>
        <?php endif; ?>
      </div>
    </main>
    <?php
    get_footer();
    exit;
}, 0);

<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="https://boyasofafabric.com/wp-sitemap-index.xsl" ?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://boyasofafabric.com/wp-sitemap-posts-post-1.xml</loc></sitemap><sitemap><loc>https://boyasofafabric.com/wp-sitemap-posts-page-1.xml</loc></sitemap><sitemap><loc>https://boyasofafabric.com/wp-sitemap-users-1.xml</loc></sitemap></sitemapindex>