<?php

if (!defined('ABSPATH')) { exit; }

class AIEO_DMM_Product_Meta extends AIEO_DMM_Module_Base {

    const OPTION_KEY = 'aieo_dmm_product_meta_settings';

    public function get_id()       { return 'product_meta'; }
    public function get_icon()     { return 'barcode'; }
    public function get_label()    { return __('SKU and barcode', 'ai-eshop-optimizer'); }
    public function get_priority() { return 50; }
    public function get_group()    { return 'product_display'; }

    public function register_hooks() {
        add_action('wp_ajax_aieo_dmm_product_meta_save', array($this, 'ajax_save'));
        
        add_shortcode('aieo_product_meta',   array($this, 'shortcode_handler'));
        add_shortcode('om_ppe_product_meta', array($this, 'shortcode_handler'));

        $s = $this->get_settings();
        if (empty($s['enabled'])) { return; }

        add_action('wp_loaded',      array($this, 'remove_default_meta'));
        add_action('woocommerce_single_product_summary', array($this, 'output'), 40);
        add_action('wp_enqueue_scripts', array($this, 'enqueue_scripts'));
    }

    public function get_settings($raw = false) {
        $stored = get_option(self::OPTION_KEY, array());
        if (!is_array($stored)) { $stored = array(); }
        
        
        
        
        
        
        
        $legacy = empty($stored) ? get_option('om_ppe_product-meta', array()) : array();
        if (!is_array($legacy)) { $legacy = array(); }
        $merged = array_merge(array(
            'enabled'              => false,
            'show_sku'             => true,
            'show_barcode'         => true,
            'sku_label'            => '',
            'sku_label_plural'     => '',
            'barcode_label'        => '',
            'barcode_label_plural' => '',
            'max_visible'          => 4,
            'more_text'            => '',
            
            'text_color'           => '',
            'label_color'          => '',
            'link_color'           => '',
            
            'title_bold'           => 'no',
            
            'font_size'            => '',
            'use_shortcode'        => false,
            'custom_class'         => '',
        ), $legacy, $stored);
        return $raw ? $merged : self::fill_i18n_defaults($merged);
    }

    
    private static function i18n_labels() {
        return array(
            'sku_label'            => __( 'SKU', 'ai-eshop-optimizer' ),
            'sku_label_plural'     => __( 'SKUs', 'ai-eshop-optimizer' ),
            'barcode_label'        => __( 'Barcode', 'ai-eshop-optimizer' ),
            'barcode_label_plural' => __( 'Barcodes', 'ai-eshop-optimizer' ),
        );
    }

    
    private static function fill_i18n_defaults( array $s ) {
        if ( ! did_action( 'init' ) ) { return $s; }
        foreach ( self::i18n_labels() as $k => $v ) {
            if ( ! isset( $s[ $k ] ) || '' === trim( (string) $s[ $k ] ) ) { $s[ $k ] = $v; }
        }
        return $s;
    }

    public function ajax_save() {
        AIEO_DMM::verify_ajax_request();
        update_option(self::OPTION_KEY, array(
            'enabled'              => !empty($_POST['enabled']),
            'show_sku'             => !empty($_POST['show_sku']),
            'show_barcode'         => !empty($_POST['show_barcode']),
            'sku_label'            => isset($_POST['sku_label']) ? sanitize_text_field(wp_unslash($_POST['sku_label'])) : '',
            'sku_label_plural'     => isset($_POST['sku_label_plural']) ? sanitize_text_field(wp_unslash($_POST['sku_label_plural'])) : '',
            'barcode_label'        => isset($_POST['barcode_label']) ? sanitize_text_field(wp_unslash($_POST['barcode_label'])) : '',
            'barcode_label_plural' => isset($_POST['barcode_label_plural']) ? sanitize_text_field(wp_unslash($_POST['barcode_label_plural'])) : '',
            'max_visible'          => max(1, min(20, isset($_POST['max_visible']) ? (int) $_POST['max_visible'] : 4)),
            'more_text'            => isset($_POST['more_text']) ? sanitize_text_field(wp_unslash($_POST['more_text'])) : '',
            'text_color'           => isset($_POST['text_color']) ? (sanitize_hex_color(wp_unslash($_POST['text_color'])) ?: '') : '',
            'label_color'          => isset($_POST['label_color']) ? (sanitize_hex_color(wp_unslash($_POST['label_color'])) ?: '') : '',
            'link_color'           => isset($_POST['link_color']) ? (sanitize_hex_color(wp_unslash($_POST['link_color'])) ?: '') : '',
            'title_bold'           => !empty($_POST['title_bold']) ? 'yes' : 'no',
            'font_size'            => (isset($_POST['font_size']) && preg_match('/^[0-9]*\.?[0-9]+\s*(rem|em|px|%|vw|vh|pt)$/i', trim((string) wp_unslash($_POST['font_size'])))) ? trim((string) wp_unslash($_POST['font_size'])) : '',
            'use_shortcode'        => !empty($_POST['use_shortcode']),
            'custom_class'         => isset($_POST['custom_class']) ? sanitize_html_class(wp_unslash($_POST['custom_class'])) : '',
        ), false);
        wp_send_json_success(array('message' => __('Product Meta settings saved.', 'ai-eshop-optimizer')));
    }

    public function remove_default_meta() {
        
        remove_action('woocommerce_single_product_summary', 'woocommerce_template_single_meta', 40);
    }

    public function enqueue_scripts() {
        if (!function_exists('is_product') || !is_product()) { return; }
        
        
        
        
        $js = '(function(){function tip(b){return document.getElementById(b.getAttribute("aria-controls")||"");}function set(b,open){var t=tip(b);if(!t)return;var tp=open&&t.querySelector("template");if(tp){t.appendChild(tp.content.cloneNode(true));tp.remove();}t.classList.toggle("visible",open);b.setAttribute("aria-expanded",open?"true":"false");}function closeAll(except){document.querySelectorAll(".aieo-product-meta__more[aria-expanded=\"true\"]").forEach(function(b){if(b!==except)set(b,false);});}function toggle(b){var open=b.getAttribute("aria-expanded")!=="true";closeAll(b);set(b,open);}document.addEventListener("click",function(e){var t=e.target.nodeType===1?e.target:e.target.parentElement;if(!t)return;var b=t.closest(".aieo-product-meta__more");if(b){e.preventDefault();toggle(b);return;}if(!t.closest(".aieo-product-meta__tooltip"))closeAll(null);});document.addEventListener("keydown",function(e){var t=e.target;var b=t&&t.closest?t.closest(".aieo-product-meta__more"):null;if(b&&(e.key==="Enter"||e.key===" ")){e.preventDefault();toggle(b);return;}if(e.key==="Escape"){var o=document.querySelector(".aieo-product-meta__more[aria-expanded=\"true\"]");if(o){set(o,false);o.focus();}}});})();';
        wp_register_script('aieo-product-meta', false, array(), defined('AIEO_VERSION') ? AIEO_VERSION : '1.0', true);
        wp_enqueue_script('aieo-product-meta');
        wp_add_inline_script('aieo-product-meta', $js);
        self::enqueue_table();
        $picks = self::picks_css('.aieo-product-meta.aieo-product-meta--codes', $this->get_settings());
        if ('' !== $picks) {
            wp_add_inline_style('aieo-product-meta', $picks);
        }
    }

    
    const SHIPPED_COLOURS = array(
        'label_color' => array('--aieo-product-meta-label', '#333333'),
        'text_color'  => array('--aieo-product-meta-text', '#666666'),
        'link_color'  => array('--aieo-product-meta-link', '#0073aa'),
    );

    
    const SHIPPED_FONT_SIZE = '0.92em';

    
    public static function colour_vars(array $s) {
        $vars = array();
        foreach (self::SHIPPED_COLOURS as $key => $def) {
            $c = sanitize_hex_color(trim((string) ($s[$key] ?? '')));
            if (!$c) { continue; }
            $long = 4 === strlen($c) ? '#' . $c[1] . $c[1] . $c[2] . $c[2] . $c[3] . $c[3] : $c; 
            if (0 !== strcasecmp($long, $def[1])) { $vars[$def[0]] = $c; }
        }
        return $vars;
    }

    
    public static function picks_css($selector, array $s) {
        $decl = '';
        foreach (self::colour_vars($s) as $name => $c) {
            $decl .= $name . ':' . $c . ';';
        }
        $size = trim((string) ($s['font_size'] ?? ''));
        if ('' !== $size && self::SHIPPED_FONT_SIZE !== $size && preg_match('/^[0-9]*\.?[0-9]+\s*(rem|em|px|%|vw|vh|pt)$/i', $size)) {
            $decl .= 'font-size:' . $size . ';';
        }
        return '' === $decl ? '' : $selector . '{' . $decl . '}';
    }

    
    public static function label_bold(array $s) {
        return 'yes' === ($s['title_bold'] ?? '');
    }

    
    public static function table_css() {
        return '.aieo-product-meta{display:grid;grid-template-columns:var(--aieo-meta-label-w,8.5rem) minmax(0,1fr);gap:6px var(--wp--preset--spacing--4,1rem);margin:var(--wp--preset--spacing--4,1rem) 0 0;padding:0;font-size:var(--wp--preset--font-size--sm,0.875rem);}'
            . '.aieo-product-meta__row{display:grid;grid-column:1/-1;grid-template-columns:subgrid;margin:0;}'
            . '.aieo-product-meta__label{margin:0;font-weight:normal;color:var(--aieo-product-meta-label,var(--wp--preset--color--muted,color-mix(in srgb,currentColor 70%,transparent)));}'
            . '.aieo-product-meta--bold .aieo-product-meta__label{font-weight:600;}'
            . '.aieo-product-meta__codes{position:relative;min-width:0;margin:0;color:var(--aieo-product-meta-text,currentColor);font-variant-numeric:tabular-nums;overflow-wrap:anywhere;}'
            . '.aieo-product-meta__code{display:inline-block;max-width:100%;}'
            . '.aieo-product-meta a{color:var(--aieo-product-meta-link,currentColor);text-decoration:none;}'
            . '.aieo-product-meta a:is(:hover,:focus-visible){text-decoration:underline;}'
            
            . '.aieo-product-meta__more{display:inline;padding-block:2px;color:var(--aieo-product-meta-link,currentColor);cursor:pointer;text-decoration:underline dotted;text-underline-offset:2px;white-space:nowrap;user-select:none;}'
            . '.aieo-product-meta__more:is(:hover,[aria-expanded="true"]){text-decoration-style:solid;}'
            . '.aieo-product-meta__more:focus-visible{outline:0;border-radius:2px;box-shadow:var(--wp--custom--rooster--focus-ring,0 0 0 2px currentColor);}'
            
            . '.aieo-product-meta__tooltip{display:none;position:absolute;inset-inline:0;top:calc(100% + 6px);z-index:10;max-height:280px;overflow:auto;padding:var(--wp--preset--spacing--2,0.5rem) var(--wp--preset--spacing--3,0.75rem);background:var(--wp--preset--color--bg,Canvas);color:var(--wp--preset--color--fg,CanvasText);border:1px solid var(--wp--preset--color--line,color-mix(in srgb,currentColor 20%,transparent));border-radius:var(--wp--custom--rooster--shape--panel,0);box-shadow:var(--wp--custom--rooster--shadow--md,none);}'
            . '.aieo-product-meta__tooltip.visible{display:block;}'
            . '.aieo-product-meta__tooltip:focus-visible{outline:0;box-shadow:var(--wp--custom--rooster--focus-ring,0 0 0 2px currentColor);}'
            . self::joined_css();
    }

    
    public static function joined_css() {
        if (!class_exists('AIEO_DMM_Product_Display')) { return ''; }
        $parts = array(
            'product_meta'       => '.wp-block-aieo-post-meta',
            'product_categories' => '.aieo-dmm-bridge--product_categories',
            'brand_display'      => '.aieo-dmm-bridge--brand_display',
        );
        $dom   = array_flip(array_keys($parts));
        $zones = (array) AIEO_DMM_Product_Display::get_cluster_zones();
        $zone  = static function ($id) use ($zones) {
            return (isset($zones[$id]) && 'under' === $zones[$id]) ? 'under' : 'info';
        };
        $pairs = array();
        $run   = array();
        foreach (array_values((array) AIEO_DMM_Product_Display::get_layout_order()) as $id) {
            $last = end($run);
            if (isset($parts[$id]) && false !== $last && $zone($id) === $zone($last) && $dom[$id] > $dom[$last]) {
                foreach ($run as $before) {
                    $pairs[] = $parts[$before] . '+' . $parts[$id] . '>.aieo-product-meta';
                }
                $run[] = $id;
                continue;
            }
            $run = isset($parts[$id]) ? array($id) : array();
        }
        return $pairs ? implode(',', $pairs) . '{margin-top:6px;}' : '';
    }

    
    public static function enqueue_table() {
        if (!wp_style_is('aieo-product-meta', 'registered')) {
            wp_register_style('aieo-product-meta', false, array(), defined('AIEO_VERSION') ? AIEO_VERSION : '1.0');
        }
        wp_enqueue_style('aieo-product-meta');
        $css = self::table_css();
        if (!in_array($css, (array) wp_styles()->get_data('aieo-product-meta', 'after'), true)) {
            wp_add_inline_style('aieo-product-meta', $css);
        }
    }

    
    public function is_active() {
        $s = $this->get_settings();
        return !empty($s['enabled']);
    }

    public function output() {
        if (!$this->is_active()) { return; }
        $s = $this->get_settings();
        if (!empty($s['use_shortcode'])) { return; }
        echo $this->get_html(); 
    }

    public function shortcode_handler($atts = array()) {
        $s = $this->get_settings();
        if (empty($s['enabled']) || empty($s['use_shortcode'])) { return ''; }
        return $this->get_html();
    }

    
    public function render_for_block($product_id = 0) {
        if (empty($this->get_settings()['enabled']))           { return ''; }
        return $this->get_html($product_id > 0 && function_exists('wc_get_product') ? wc_get_product((int) $product_id) : null);
    }

    
    private function get_html($product = null) {
        if (!$product instanceof WC_Product) {
            require_once dirname(__DIR__) . '/blocks/class-aieo-block-item.php';
            $product = AIEO_Block_Item::current_product();
        }
        if (!$product) { return ''; }

        $s = $this->get_settings();
        if (empty($s['show_sku']) && empty($s['show_barcode'])) { return ''; }

        $is_variable = $product->is_type('variable');
        $codes = $this->get_codes($product, $is_variable);
        if (empty($codes['sku']) && empty($codes['barcode'])) { return ''; }

        
        $cls = 'aieo-product-meta aieo-product-meta--codes'
            . (self::label_bold($s) ? ' aieo-product-meta--bold' : '')
            . (!empty($s['custom_class']) ? ' ' . (string) $s['custom_class'] : '');
        $sku_label     = $is_variable ? (string) $s['sku_label_plural'] : (string) $s['sku_label'];
        $barcode_label = $is_variable ? (string) $s['barcode_label_plural'] : (string) $s['barcode_label'];

        $rows = '';
        if (!empty($s['show_sku']) && !empty($codes['sku'])) {
            $rows .= self::row_html('aieo-product-meta__row--sku', $sku_label, $this->render_codes($codes['sku'], $is_variable, $codes['sku_total']));
        }
        if (!empty($s['show_barcode']) && !empty($codes['barcode'])) {
            $rows .= self::row_html('aieo-product-meta__row--barcode', $barcode_label, $this->render_codes($codes['barcode'], $is_variable, $codes['barcode_total']));
        }
        if ('' === $rows) { return ''; }
        return '<dl class="' . esc_attr($cls) . '">' . $rows . '</dl>';
    }

    
    public static function row_html($modifier, $label, $value, $fallback = '', $dd_class = '') {
        $dt = '' !== trim((string) $label)
            ? esc_html((string) $label)
            : ('' !== $fallback ? '<span class="screen-reader-text">' . esc_html($fallback) . '</span>' : '');
        return '<div class="' . esc_attr(trim('aieo-product-meta__row ' . $modifier)) . '">'
            . '<dt class="aieo-product-meta__label">' . $dt . '</dt>'
            . '<dd class="' . esc_attr(trim('aieo-product-meta__codes ' . $dd_class)) . '">' . $value . '</dd>'
            . '</div>';
    }

    private function get_codes($product, $is_variable) {
        global $wpdb;
        $sku = trim((string) $product->get_sku());
        $barcode = trim((string) get_post_meta($product->get_id(), '_global_unique_id', true));
        if ($barcode === '') { $barcode = trim((string) get_post_meta($product->get_id(), '_barcode', true)); }

        
        
        
        
        if ($is_variable) {
            $tbl = $wpdb->prefix . 'aieo_core_product_vitals';
            $exists = (string) $wpdb->get_var($wpdb->prepare('SHOW TABLES LIKE %s', $tbl)) === $tbl;
            if ($exists) {
                $pid = (int) $product->get_id();
                $row = $wpdb->get_row($wpdb->prepare(
                    "SELECT sku_index, barcode_index FROM {$tbl} WHERE product_id = %d AND parent_id = %d LIMIT 1",
                    $pid, $pid
                ), ARRAY_A);
                if (!$row) {
                    $row = $wpdb->get_row($wpdb->prepare(
                        "SELECT sku_index, barcode_index FROM {$tbl} WHERE product_id = %d LIMIT 1", $pid
                    ), ARRAY_A);
                }
                $sku_csv = isset($row['sku_index']) ? (string) $row['sku_index'] : '';
                $bar_csv = isset($row['barcode_index']) ? (string) $row['barcode_index'] : '';
                return array(
                    'sku'           => $this->csv_to_list($sku_csv),
                    'barcode'       => $this->csv_to_list($bar_csv),
                    'sku_total'     => null,
                    'barcode_total' => null,
                );
            }
        }
        return array(
            'sku'           => $sku !== '' ? array($sku) : array(),
            'barcode'       => $barcode !== '' ? array($barcode) : array(),
            'sku_total'     => null,
            'barcode_total' => null,
        );
    }

    private function csv_to_list($csv) {
        if (!is_string($csv) || $csv === '') { return array(); }
        return array_values(array_filter(array_map('trim', explode(',', $csv)), function($v){ return $v !== ''; }));
    }

    
    private function render_codes($codes, $is_variable, $total = null) {
        $codes = array_values(array_filter(array_unique(array_map('trim', $codes))));
        if (empty($codes)) { return ''; }
        $s = $this->get_settings();
        $max = max(1, (int) $s['max_visible']);
        
        
        
        
        $units = static function (array $list) {
            $last = count($list) - 1;
            $out  = array();
            foreach (array_values($list) as $i => $code) {
                $out[] = '<span class="aieo-product-meta__code">' . esc_html($code . ($i < $last ? ',' : '')) . '</span>';
            }
            return implode(' ', $out);
        };
        if (!$is_variable) {
            return $units($codes);
        }
        $first = array_slice($codes, 0, $max);
        $rest  = array_slice($codes, $max);
        $html  = $units($first);
        $remaining = is_numeric($total) ? max(0, (int) $total - count($first)) : count($rest);
        if ($remaining > 0) {
            
            
            
            
            
            $more_tpl = trim((string) $s['more_text']);
            if ('' === $more_tpl) {
                
                $more_tpl = _n('and %d other', 'and %d others', $remaining, 'ai-eshop-optimizer');
            }
            $label = sprintf($more_tpl, $remaining);
            if (!empty($rest)) {
                $list  = wp_unique_id('aieo-pm-more-');
                $html .= ' <span class="aieo-product-meta__more" role="button" tabindex="0" aria-expanded="false" aria-controls="' . esc_attr($list) . '">' . esc_html($label) . '</span>'
                    
                    . '<div class="aieo-product-meta__tooltip" id="' . esc_attr($list) . '" tabindex="0"><template>' . $units($rest) . '</template></div>';
            } else {
                
                $html .= ' ' . esc_html($label);
            }
        }
        return $html;
    }

    public function render_subtab() {
        
        
        $s    = $this->get_settings(true);
        $hint = self::i18n_labels();
        
        
        
        
        
        
        
        $form_id = 'aieo-card-product-meta-overview-form';
        list($aieo_card_open, $aieo_card_close) = AIEO_DMM_UI::card(array(
            'anchor'      => 'product-meta-overview',
            'title'       => __('Labels, overflow and colours', 'ai-eshop-optimizer'),
            'description' => __('Show SKU + barcode below the price on single product pages. For variable products with the Rooster One/Pods vitals table, displays an aggregated index across all variations with an "and N more" overflow pill.', 'ai-eshop-optimizer'),
            'footer'      => class_exists('\Rooster\Admin\States') ? \Rooster\Admin\States::save_button($form_id) : '',
        ));
        echo $aieo_card_open; 

        $id_of  = static function ($name) {
            return 'aieo-pm-' . str_replace('_', '-', $name);
        };
        $row    = static function ($name, $label, $control, $help = '') use ($id_of) {
            $field = array('id' => $id_of($name), 'label' => $label, 'control' => $control);
            if ('' !== $help) { $field['help'] = $help; }
            return \Rooster\Admin\Ui::field_row($field);
        };
        $switch = static function ($name, $text, $hidden_label = false) use ($s, $id_of) {
            
            $on = 'title_bold' === $name ? self::label_bold($s) : !empty($s[$name]);
            return \Rooster\Admin\Ui::toggle($name, $on, array('id' => $id_of($name), 'hidden' => false, 'label' => $text, 'label_hidden' => $hidden_label));
        };
        $colour = static function ($name, $fallback) use ($s, $id_of) {
            return \Rooster\Admin\Fields::color($name, (string) $s[$name], array('id' => $id_of($name), 'default' => $fallback));
        };
        $pair   = static function ($key, $label) use ($s, $hint, $id_of) {
            $parts = array();
            foreach (array($key => __('Singular', 'ai-eshop-optimizer'), $key . '_plural' => __('Plural', 'ai-eshop-optimizer')) as $name => $sub) {
                $parts[] = array(
                    'label'   => $sub,
                    'id'      => $id_of($name),
                    'control' => \Rooster\Admin\Ui::input($name, (string) $s[$name], array('id' => $id_of($name), 'medium' => true, 'placeholder' => isset($hint[$name]) ? $hint[$name] : '')),
                );
            }
            return \Rooster\Admin\Ui::field_row(array('id' => $id_of($key) . '-pair', 'label' => $label, 'parts' => $parts));
        };

        $fields  = $row('enabled', __('Enable', 'ai-eshop-optimizer'), $switch('enabled', __('On', 'ai-eshop-optimizer'), true));
        $fields .= $row('show_sku', __('Show SKU', 'ai-eshop-optimizer'), $switch('show_sku', __('On', 'ai-eshop-optimizer'), true));
        $fields .= $row('show_barcode', __('Show barcode', 'ai-eshop-optimizer'), $switch('show_barcode', __('On', 'ai-eshop-optimizer'), true));
        $fields .= $pair('sku_label', __('SKU label (singular / plural)', 'ai-eshop-optimizer'));
        $fields .= $pair('barcode_label', __('Barcode label (singular / plural)', 'ai-eshop-optimizer'));
        $fields .= $row('max_visible', __('Max visible (variable products)', 'ai-eshop-optimizer'), \Rooster\Admin\Ui::input('max_visible', (string) (int) $s['max_visible'], array('id' => $id_of('max_visible'), 'type' => 'number', 'xs' => true, 'min' => 1, 'max' => 20)));
        
        $more_hint = sprintf(_n('and %d other', 'and %d others', 2, 'ai-eshop-optimizer'), 2);
        
        $more_help = __('Use %d for the count.', 'ai-eshop-optimizer');
        $fields   .= $row('more_text', __('Overflow text', 'ai-eshop-optimizer'), \Rooster\Admin\Ui::input('more_text', (string) $s['more_text'], array('id' => $id_of('more_text'), 'medium' => true, 'placeholder' => $more_hint)), $more_help);
        $fields .= $row('text_color', __('Text colour', 'ai-eshop-optimizer'), $colour('text_color', '#666666'));
        $fields .= $row('label_color', __('Label colour', 'ai-eshop-optimizer'), $colour('label_color', '#333333'));
        $fields .= $row('link_color', __('Link colour', 'ai-eshop-optimizer'), $colour('link_color', '#0073aa'), __('Colour of the “and N more” link. Leave blank to inherit.', 'ai-eshop-optimizer'));
        $advanced = '';
        $advanced .= $row('title_bold', __('Bold the title', 'ai-eshop-optimizer'), $switch('title_bold', __('Render the label (e.g. “SKUs:”) in bold', 'ai-eshop-optimizer')));
        $advanced .= $row('font_size', __('Font size', 'ai-eshop-optimizer'), \Rooster\Admin\Ui::input('font_size', (string) $s['font_size'], array('id' => $id_of('font_size'), 'short' => true, 'placeholder' => '0.92em')), __('CSS size, e.g. 0.92em or 13px. Match Categories / Brand for a consistent info column.', 'ai-eshop-optimizer'));
        $advanced .= $row('custom_class', __('Custom CSS class', 'ai-eshop-optimizer'), \Rooster\Admin\Ui::input('custom_class', (string) $s['custom_class'], array('id' => $id_of('custom_class'), 'medium' => true, 'code' => true)));
        $advanced .= $row('use_shortcode', __('Use shortcode', 'ai-eshop-optimizer'), $switch('use_shortcode', '[aieo_product_meta]'));
        
        
        $fold = \Rooster\Admin\Ui::fold(__('Advanced', 'ai-eshop-optimizer'), '<div class="rooster-admin-fields">' . $advanced . '</div>');
        echo AIEO_DMM_UI::card_form('aieo_dmm_product_meta_save', $this->get_id(), $form_id, '<div class="rooster-admin-fields">' . $fields . '</div>' . $fold); 
        echo $aieo_card_close; 
    }
}