<?php

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

class AIEO_DMM_Swatches_Runtime {

    
    const CACHE_READY_OPTION = 'aieo_dmm_swatches_cache_ready';

    
    private static $instance = null;

    
    private $settings = null;

    
    private $settings_hash = '';

    
    private $pending_rebuilds = array();

    
    private $one_to_one_memo = array();

    
    private $swatches_draw_memo = array();

    
    private $wc_visual_images = array();

    
    private $tables_ready = array();

    
    private static $rendered_for_product = array();

    
    private static $assets_wanted = false;

    
    private $taxonomy_cache = array();

    
    private $row_cache = array();

    
    private $product_settings_cache = array();

    public static function instance() {
        if ( self::$instance === null ) {
            self::$instance = new self();
        }
        return self::$instance;
    }

    private function __construct() {
        
        
        
        if ( ! $this->is_runtime_enabled() ) {
            return;
        }

        
        
        
        if ( ! self::cache_operational() ) {
            return;
        }

        
        

        
        
        
        
        
        
        add_action( 'wp_head', array( $this, 'output_custom_css' ), 100 );
        add_action( 'wp_head', array( $this, 'output_collapse_secondary_css' ), 101 );

        
        
        add_action( 'loop_start', array( $this, 'prime_card_loop' ) );

        
        
        
        add_action( 'wp_head', array( $this, 'output_early_multi_select_css' ), 1 );
        
        add_action( 'woocommerce_after_variations_table', array( $this, 'print_multi_select_boxes' ) );
        
        
        
        add_filter( 'woocommerce_available_variation', array( $this, 'note_variation_stock' ), 10, 3 );
        add_filter( 'rooster/used_css/safelist', array( __CLASS__, 'shades_safelist' ) );

        
        
        
        add_action( 'wp', array( $this, 'setup_archive_swatches' ) );

        
        
        add_filter( 'render_block_core/post-title', array( $this, 'title_line_in_title' ), 10, 3 );
        add_action( 'woocommerce_single_product_summary', array( $this, 'print_title_line' ), 6 );

        
        
        
        
        add_action( 'wp', array( $this, 'maybe_remove_default_add_to_cart' ), 20 );

        
        
        
        
        
        
        

        
        
        
        
        add_action( 'wp_footer', array( $this, 'output_cart_variations_data_tag' ) );
        
        
        add_filter( 'woocommerce_add_to_cart_fragments', array( $this, 'add_cart_variations_fragment' ) );

        
        
        
        
        
        add_filter( 'body_class', array( $this, 'filter_body_class' ) );

        
        
        
        
        
        
        
        
        add_filter( 'woocommerce_ajax_variation_threshold', array( $this, 'filter_ajax_variation_threshold' ), 10, 2 );

        
        
        add_action( 'wc_ajax_aieo_card_form', array( $this, 'ajax_card_form' ) );
        add_filter( 'rooster/performance/delay_keep', array( __CLASS__, 'keep_card_script' ) );

        
        
        
        add_filter( 'woocommerce_dropdown_variation_attribute_options_html',
            array( $this, 'filter_variation_attribute_options_html' ), 10, 2 );

        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        if ( class_exists( 'AIEO_Theme_Adapters' ) ) {
            add_action( 'wp', array( $this, 'arbitrate_with_theme' ), 5 );
        }

        
        add_filter( 'woocommerce_cart_item_thumbnail', array( $this, 'filter_cart_item_thumbnail' ), 10, 3 );

        
        
        add_filter( 'style_loader_src', array( $this, 'veto_swatch_skin' ), 10, 2 );

        
        
        
        
        
        add_action( 'shutdown', array( $this, 'flush_pending_rebuilds' ) );
    }

    
    private $swatch_mode = null;

    
    private $stand_down = null;

    
    const SETTINGS_OPTION = 'aieo_dmm_swatches_settings';

    
    const OLD_SWITCH = 'aieo_dmm_swatches_runtime_enabled';

    
    const ONE_SWITCH = 'aieo_dmm_swatches_one_switch';

    
    public static function on() {
        if ( ! get_option( self::ONE_SWITCH ) ) {
            self::carry_over();
        }
        $s = get_option( self::SETTINGS_OPTION, array() );
        return is_array( $s ) && 'yes' === (string) ( $s['enabled'] ?? 'no' );
    }

    
    public static function carry_over() {
        $old  = get_option( self::OLD_SWITCH, null );
        $s    = get_option( self::SETTINGS_OPTION, array() );
        $s    = is_array( $s ) ? $s : array();
        $want = 'yes' === (string) $old ? 'yes' : 'no';
        if ( ( $s['enabled'] ?? null ) !== $want ) {
            $s['enabled'] = $want;
            $hash         = get_option( 'aieo_dmm_swatches_settings_hash', null );
            update_option( self::SETTINGS_OPTION, $s, false );
            if ( null !== $hash ) {
                update_option( 'aieo_dmm_swatches_settings_hash', $hash, false );
            }
        }
        delete_option( self::OLD_SWITCH );
        update_option( self::ONE_SWITCH, 1, true );
    }

    private function is_runtime_enabled() {
        return self::on();
    }

    
    public static function cache_operational() {
        $state = get_option( self::CACHE_READY_OPTION, '' );
        if ( 'yes' !== $state && 'no' !== $state ) {
            global $wpdb;
            $table  = $wpdb->prefix . 'aieo_dmm_swatches_cache';
            $exists = function_exists( 'aieo_dmm_table_exists' )
                ? aieo_dmm_table_exists( $table )
                : ( $table === $wpdb->get_var( $wpdb->prepare( 'SHOW TABLES LIKE %s', $table ) ) );
            
            $state = ( $exists && $wpdb->get_var( "SELECT 1 FROM {$table} LIMIT 1" ) ) ? 'yes' : 'no';
            update_option( self::CACHE_READY_OPTION, $state, true );
        }
        return 'yes' === $state;
    }

    private function get_settings() {
        if ( $this->settings === null ) {
            $stored = get_option( 'aieo_dmm_swatches_settings', array() );
            $this->settings = is_array( $stored ) ? $stored : array();
            $this->settings_hash = (string) get_option( 'aieo_dmm_swatches_settings_hash', '' );
            
            
            
            if ( $this->settings_hash !== '' && class_exists( 'AIEO_DMM_Swatches' ) ) {
                $this->settings_hash .= AIEO_DMM_Swatches::SWATCH_PAYLOAD_SUFFIX;
            }
        }
        return $this->settings;
    }

    
    
    public function output_collapse_secondary_css() {
        
        if ( ! wp_style_is( 'aieo-swatches', 'enqueued' ) ) {
            return;
        }
        echo '<style>'
            . '.om-product-swatches[data-aieo-collapse-secondary="1"] .variations tr:nth-of-type(n+2),'
            . '.om-product-swatches[data-aieo-collapse-secondary="1"] .om-variations-wrapper:nth-of-type(n+2){display:none!important;}'
            . '</style>';
    }

    public function output_custom_css() {
        
        
        
        
        if ( class_exists( 'OM_Product_Swatches_Handler' ) ) { return; }

        $s = $this->get_settings();

        
        
        
        $measures = self::theme_swatch_measures();
        $v = function ( $key, $default ) use ( $s, $measures ) {
            $val = ( ! isset( $s[ $key ] ) || $s[ $key ] === '' ) ? $default : $s[ $key ];
            return self::themed_value( (string) $key, $val, $default, $measures );
        };

        $css  = '';

        
        $css .= ".om-variation-type-color :is(a,label) {"
              . "width:{$v('color_width',24)}px;height:{$v('color_height',24)}px;"
              . "border-radius:{$v('color_border_radius',50)}px;"
              . "border:{$v('color_border_size',1)}px solid {$v('color_border_color','#dedede')};"
              . "}";
        $css .= ".om-variation-type-color :is(a,label):hover{"
              . "border:{$v('color_border_size_hover',2)}px solid {$v('color_border_color_hover','#212121')};"
              . "}";
        $css .= ".om-variation-type-color :is(a,label).active,.om-variation-type-color a[aria-checked='true'],.om-variation-type-color label:has(> .om-variation-input:checked){"
              . "border:{$v('color_border_size_selected',2)}px solid {$v('color_border_color_selected','#212121')};"
              . "}";
        $css .= ".om-variation-type-color{gap:{$v('color_gap',8)}px;}";

        
        $css .= ".om-variation-type-button :is(a,label){"
              . "color:{$v('button_text_color','#212121')};"
              . "background-color:{$v('button_bg_color','#ffffff')};"
              . "border:{$v('button_border_size',1)}px solid {$v('button_border_color','#212121')};"
              . "border-radius:{$v('button_border_radius',5)}px;"
              . "padding:{$v('button_padding_top',8)}px {$v('button_padding_right',12)}px {$v('button_padding_bottom',8)}px {$v('button_padding_left',12)}px;"
              . "}";
        $css .= ".om-variation-type-button :is(a,label):hover{"
              . "color:{$v('button_text_color_hover','#ffffff')};"
              . "background-color:{$v('button_bg_color_hover','#212121')};"
              . "border-color:{$v('button_border_color_hover','#212121')};"
              . "}";
        $css .= ".om-variation-type-button :is(a,label).active,.om-variation-type-button a[aria-checked='true'],.om-variation-type-button label:has(> .om-variation-input:checked){"
              . "color:{$v('button_text_color_selected','#ffffff')};"
              . "background-color:{$v('button_bg_color_selected','#212121')};"
              . "border-color:{$v('button_border_color_selected','#212121')};"
              . "}";
        $css .= ".om-variation-type-button{gap:{$v('button_gap',8)}px;}";

        
        $css .= ".om-variation-type-image :is(a,label){"
              . "width:{$v('image_width',72)}px;height:{$v('image_height',72)}px;"
              . "border-radius:{$v('image_border_radius',0)}px;"
              . "border:{$v('image_border_size',1)}px solid {$v('image_border_color','#dedede')};"
              . "overflow:hidden;}";
        $css .= ".om-variation-type-image :is(a,label) img{border-radius:{$v('image_border_radius',0)}px;}";
        $css .= ".om-variation-type-image :is(a,label):hover{"
              . "border:{$v('image_border_size_hover',2)}px solid {$v('image_border_color_hover','#212121')};"
              . "}";
        $css .= ".om-variation-type-image :is(a,label).active,.om-variation-type-image a[aria-checked='true'],.om-variation-type-image label:has(> .om-variation-input:checked){"
              . "border:{$v('image_border_size_selected',2)}px solid {$v('image_border_color_selected','#212121')};"
              . "}";
        $css .= ".om-variation-type-image{gap:{$v('image_gap',12)}px;}";

        
        $css .= $this->build_archive_css( $v );

        
        $css .= $this->build_recommendation_css( $v );

        
        
        
        
        $css .= 'body.om-multi-select-enabled .variations_form table.variations,'
              . 'body.om-multi-select-enabled .variations_form table.variations tbody,'
              . 'body.om-multi-select-enabled .variations_form table.variations tr'
              . '{display:block;width:100%;}'
              . 'body.om-multi-select-enabled .variations_form table.variations th.label'
              . '{display:none;}'
              . 'body.om-multi-select-enabled .variations_form table.variations td.value'
              . '{display:block;padding:0;width:100%;}';

        
        
        
        $mobile_css = '';
        $mw_pdp  = (int) $v( 'image_width_mobile', 56 );
        $mh_pdp  = (int) $v( 'image_height_mobile', 56 );
        $mw_arc  = (int) $v( 'image_width_shop_archive_mobile', 22 );
        $mh_arc  = (int) $v( 'image_height_shop_archive_mobile', 22 );
        if ( $mw_pdp > 0 || $mh_pdp > 0 ) {
            $mobile_css .= '.om-variation-type-image :is(a,label){';
            if ( $mw_pdp > 0 ) { $mobile_css .= "width:{$mw_pdp}px;"; }
            if ( $mh_pdp > 0 ) { $mobile_css .= "height:{$mh_pdp}px;"; }
            $mobile_css .= '}';
        }
        if ( $mw_arc > 0 || $mh_arc > 0 ) {
            $arc_selectors = '.om-product-swatches--archive .om-variation-type-image a,'
                           . '.related.products .om-variation-type-image a,'
                           . '.cross-sells .om-variation-type-image a,'
                           . '.up-sells .om-variation-type-image a,'
                           . 'section.related .om-variation-type-image a';
            $mobile_css .= $arc_selectors . '{';
            if ( $mw_arc > 0 ) { $mobile_css .= "width:{$mw_arc}px;"; }
            if ( $mh_arc > 0 ) { $mobile_css .= "height:{$mh_arc}px;"; }
            $mobile_css .= '}';
        }
        
        $bpt = (int) $v( 'button_padding_top_mobile', 4 );
        $bpr = (int) $v( 'button_padding_right_mobile', 8 );
        $bpb = (int) $v( 'button_padding_bottom_mobile', 4 );
        $bpl = (int) $v( 'button_padding_left_mobile', 8 );
        $bfs = (int) $v( 'button_font_size_mobile', 11 );
        if ( $bpt > 0 || $bpr > 0 || $bpb > 0 || $bpl > 0 || $bfs > 0 ) {
            $mobile_css .= '.om-variation-type-button :is(a,label){';
            if ( $bpt > 0 || $bpr > 0 || $bpb > 0 || $bpl > 0 ) {
                $mobile_css .= "padding:{$bpt}px {$bpr}px {$bpb}px {$bpl}px;";
            }
            if ( $bfs > 0 ) { $mobile_css .= "font-size:{$bfs}px;"; }
            $mobile_css .= '}';
        }
        if ( $mobile_css !== '' ) {
            $css .= '@media (max-width:600px){' . $mobile_css . '}';
        }

        
        
        
        
        
        
        
        
        if ( ! empty( $v( 'button_stack_vertical_archive', 0 ) ) ) {
            $row_sel = '.wc-block-product-template .om-product-swatches--archive .variations tr:has(.om-variation-type-button),'
                     . '.wp-block-woocommerce-product-template .om-product-swatches--archive .variations tr:has(.om-variation-type-button)';
            $list_sel = '.wc-block-product-template .om-product-swatches--archive .om-variation-type-button,'
                      . '.wp-block-woocommerce-product-template .om-product-swatches--archive .om-variation-type-button';
            $css .= $row_sel . '{'
                  . 'position:absolute !important;'
                  . 'top:25% !important;'
                  . 'transform:translateY(-50%) !important;'
                  . 'left:var(--wp--preset--spacing--3,12px) !important;'
                  . 'right:auto !important;'
                  . 'z-index:5 !important;'
                  . 'width:auto !important;'
                  . 'margin:0 !important;'
                  . '}';
            $css .= $list_sel . '{'
                  . 'display:flex !important;'
                  . 'flex-direction:column !important;'
                  . 'align-items:center !important;'
                  . 'justify-content:flex-start !important;'
                  . '}';

            
            
            
            
            if ( ! empty( $v( 'button_circle_archive', 0 ) ) ) {
                $diam = max( 20, (int) $v( 'button_circle_diameter_archive', 36 ) );
                $fs   = max( 6,  (int) $v( 'button_font_size_shop_archive', 11 ) );
                $a_sel = '.wc-block-product-template .om-product-swatches--archive .om-variation-type-button a,'
                       . '.wp-block-woocommerce-product-template .om-product-swatches--archive .om-variation-type-button a';
                $css .= $a_sel . '{'
                      . 'width:' . $diam . 'px !important;'
                      . 'height:' . $diam . 'px !important;'
                      . 'border-radius:50% !important;'
                      . 'padding:0 !important;'
                      . 'font-size:' . $fs . 'px !important;'
                      . 'display:flex !important;'
                      . 'align-items:center !important;'
                      . 'justify-content:center !important;'
                      . 'line-height:1 !important;'
                      . 'overflow:hidden !important;'
                      . 'white-space:nowrap !important;'
                      . 'text-align:center !important;'
                      . '}';
            }
        }

        
        $css = str_replace( ')px', ')', $css );

        
        if ( 'designer' === $this->look() ) {
            $css .= self::designer_rows_css();
        }

        
        if ( $css !== '' && wp_style_is( 'aieo-swatches', 'enqueued' ) ) {
            echo '<style id="aieo-swatches-settings-css">' . $css . '</style>'; 
        }
    }

    
    public static function theme_swatch_measures() {
        static $measures = null;
        if ( null === $measures ) {
            $found    = function_exists( 'wp_get_global_settings' ) ? wp_get_global_settings( array( 'custom', 'rooster', 'swatch' ) ) : array();
            $measures = is_array( $found ) ? array_filter( $found, 'is_scalar' ) : array();
        }
        
        return (array) apply_filters( 'aieo_swatches_theme_measures', $measures );
    }

    
    public static function themed_value( $key, $value, $default, array $measures ) {
        if ( 0 !== strcasecmp( trim( (string) $value ), trim( (string) $default ) ) ) {
            return $value;
        }
        
        
        if ( false !== strpos( $key, '_color' ) ) {
            $roles = array( '#dedede' => 'line', '#212121' => 'fg', '#ffffff' => 'bg' );
            $hex   = strtolower( trim( (string) $value ) );
            return isset( $roles[ $hex ] ) ? 'var(--wp--preset--color--' . $roles[ $hex ] . ',' . $hex . ')' : $value;
        }
        $card = false !== strpos( $key, '_shop_archive' );
        $name = '';
        if ( 1 === preg_match( '/^image_(?:width|height)(?:_shop_archive)?_mobile$/', $key ) ) {
            return isset( $measures[ $card ? 'size-card' : 'size' ] ) ? '' : $value;
        } elseif ( 1 === preg_match( '/^(?:color|image)_(?:width|height)(?:_shop_archive)?$/', $key ) ) {
            $name = $card ? 'size-card' : 'size';
        } elseif ( 1 === preg_match( '/^(?:color|image|button)_gap(?:_shop_archive)?$/', $key ) ) {
            $name = $card ? 'gap-card' : 'gap';
        } elseif ( 1 === preg_match( '/^(?:color|image)_border_radius(?:_shop_archive)?$/', $key ) ) {
            $name = 'shape';
        }
        return ( '' !== $name && isset( $measures[ $name ] ) ) ? 'var(--wp--custom--rooster--swatch--' . $name . ',' . (int) $value . 'px)' : $value;
    }

    
    public static function assets_in_context( $in_context ) {
        if ( $in_context || self::$assets_wanted ) {
            return true;
        }
        $post = function_exists( 'get_post' ) ? get_post() : null;
        return $post instanceof WP_Post && ( has_block( 'aieo/product-card-swatches', $post ) || has_shortcode( (string) $post->post_content, 'aieo_product_swatches' ) );
    }

    
    public static function want_assets() {
        self::$assets_wanted = true;
    }

    
    private function look() {
        $s = $this->get_settings();
        return 'classic' === (string) ( $s['product_swatch_look'] ?? 'designer' ) ? 'classic' : 'designer';
    }

    
    private function designer_draws( $is_archive, $control, $attribute_type, $product_id ) {
        return ! $is_archive && '' !== $control && in_array( $attribute_type, array( 'color', 'image' ), true ) && 'designer' === $this->look()
            && is_singular( 'product' ) && (int) get_queried_object_id() === (int) $product_id;
    }

    
    private $low_stock = array();

    
    public function note_variation_stock( $data, $product = null, $variation = null ) {
        if ( $variation instanceof WC_Product && $variation->managing_stock() && $variation->is_in_stock() ) {
            $left = (int) $variation->get_stock_quantity();
            $low  = function_exists( 'wc_get_low_stock_amount' ) ? (int) wc_get_low_stock_amount( $variation ) : (int) get_option( 'woocommerce_notify_low_stock_amount', 2 );
            if ( $left > 0 && $left <= $low ) {
                $this->low_stock[ (int) $variation->get_id() ] = $left;
            }
        }
        return $data;
    }

    
    private function cart_variation_ids( $product_id ) {
        
        if ( empty( $_COOKIE['woocommerce_items_in_cart'] ) || ! function_exists( 'WC' ) || ! WC()->cart ) {
            return array();
        }
        $ids = array();
        foreach ( WC()->cart->get_cart() as $item ) {
            if ( (int) ( $item['product_id'] ?? 0 ) === (int) $product_id && ! empty( $item['variation_id'] ) ) {
                $ids[ (int) $item['variation_id'] ] = ( $ids[ (int) $item['variation_id'] ] ?? 0 ) + max( 1, (int) ( $item['quantity'] ?? 1 ) );
            }
        }
        return $ids;
    }

    
    private function chip_in_words( $html, $left, $bag ) {
        if ( ( $left <= 0 && $bag <= 0 ) || ! class_exists( 'WP_HTML_Tag_Processor' ) ) {
            return $html;
        }
        $tags = new WP_HTML_Tag_Processor( $html );
        if ( ! $tags->next_tag( 'label' ) ) {
            return $html;
        }
        if ( $left > 0 ) {
            $tags->set_attribute( 'data-left', (string) $left );
        }
        if ( $bag > 0 ) {
            $tags->set_attribute( 'data-in-bag', (string) $bag );
        }
        if ( $tags->next_tag( 'input' ) ) {
            $name  = (string) $tags->get_attribute( 'aria-label' );
            $words = array();
            if ( $left > 0 ) {
                
                $words[] = sprintf( __( 'Only %d left', 'ai-eshop-optimizer' ), $left );
            }
            if ( $bag > 0 ) {
                
                $words[] = sprintf( __( 'In your bag: %s', 'ai-eshop-optimizer' ), number_format_i18n( $bag ) );
            }
            $tags->set_attribute( 'aria-label', implode( ', ', array_merge( '' !== $name ? array( $name ) : array(), $words ) ) );
        }
        return $tags->get_updated_html();
    }

    
    public static function designer_rows_css() {
        $m    = self::theme_swatch_measures();
        $px   = static function ( $value, $fallback ) {
            return is_scalar( $value ) && 1 === preg_match( '/^\s*(\d+(?:\.\d+)?)\s*(?:px)?\s*$/', (string) $value, $hit ) ? (float) $hit[1] : (float) $fallback;
        };
        $size = max( 8.0, $px( $m['size'] ?? '', 40 ) );
        $gap  = max( 0.0, $px( $m['gap'] ?? '', 10 ) );
        $rows = max( 1, (int) ( $m['rows'] ?? 2 ) );
        $root = '.om-variations-wrapper[data-look="designer"]';
        $css  = '';
        for ( $n = 1; $n <= 24; $n++ ) {
            $from = $n * $size + ( $n - 1 ) * $gap;
            $to   = ( $n + 1 ) * $size + $n * $gap - 0.02;
            $when = array();
            if ( $n > 1 ) {
                $when[] = '(min-width:' . $from . 'px)';
            }
            if ( $n < 24 ) {
                $when[] = '(max-width:' . $to . 'px)';
            }
            $past = $rows * $n + 1;
            $css .= '@container aieo-shades ' . implode( ' and ', $when ) . '{'
                . $root . ' .aieo-shades__chips>.om-variation-item:nth-child(n+' . $past . '){display:none}'
                . $root . ':not(:has(.aieo-shades__chips>.om-variation-item:nth-child(' . $past . '))) .aieo-shades__more{display:none}'
                . '}';
        }
        return $css;
    }

    
    public static function shades_safelist( $list ) {
        $list   = (array) $list;
        $list[] = '/^aieo-shades/';
        $list[] = '/^om-multi-selected$/';
        return $list;
    }

    
    public static function shades_i18n() {
        
        
        
        $quote = self::quote_words();
        return array(
            
            'chooseSome'   => __( 'choose one or more', 'ai-eshop-optimizer' ),
            'chooseShade'  => __( 'Choose a shade', 'ai-eshop-optimizer' ),
            
            'chosenOne'    => __( '%s chosen', 'ai-eshop-optimizer' ),
            
            'chosenMany'   => _x( '%s chosen', 'several shades', 'ai-eshop-optimizer' ),
            
            'bagOne'       => __( '%s already in your bag', 'ai-eshop-optimizer' ),
            
            'bagMany'      => _x( '%s already in your bag', 'several shades', 'ai-eshop-optimizer' ),
            
            'stockOne'     => _n( '%s shade in stock', '%s shades in stock', 1, 'ai-eshop-optimizer' ),
            
            'stockMany'    => _n( '%s shade in stock', '%s shades in stock', 2, 'ai-eshop-optimizer' ),
            
            'named'        => __( '%1$s: %2$s', 'ai-eshop-optimizer' ),
            'inStock'      => __( 'In stock', 'ai-eshop-optimizer' ),
            'outOfStock'   => __( 'Out of stock', 'ai-eshop-optimizer' ),
            
            'inYourBag'    => __( 'In your bag: %s', 'ai-eshop-optimizer' ),
            
            'askNone'      => $quote['ask'],
            'askAddNone'   => $quote['add'],
            
            'askOne'       => __( 'Request a quote for %s shade', 'ai-eshop-optimizer' ),
            
            'askMany'      => __( 'Request a quote for %s shades', 'ai-eshop-optimizer' ),
            
            'askAddOne'    => __( 'Add %s shade to my quote', 'ai-eshop-optimizer' ),
            
            'askAddMany'   => __( 'Add %s shades to my quote', 'ai-eshop-optimizer' ),
            
            'shadeOne'   => _n( '%s shade', '%s shades', 1, 'ai-eshop-optimizer' ),
            
            'shadeMany'  => _n( '%s shade', '%s shades', 2, 'ai-eshop-optimizer' ),
            
            'allOne'     => _n( 'All %s shade', 'All %s shades', 1, 'ai-eshop-optimizer' ),
            
            'allMany'    => _n( 'All %s shade', 'All %s shades', 2, 'ai-eshop-optimizer' ),
            
            'addN'       => __( 'Add %1$s to cart · %2$s', 'ai-eshop-optimizer' ),
            'find'       => __( 'Find a shade', 'ai-eshop-optimizer' ),
            'noMatch'    => __( 'No shade matches.', 'ai-eshop-optimizer' ),
            
            'less'       => __( 'One less %s', 'ai-eshop-optimizer' ),
            
            'more'       => __( 'One more %s', 'ai-eshop-optimizer' ),
            
            'quantityOf' => __( 'Quantity of %s', 'ai-eshop-optimizer' ),
            'soldOut'    => __( 'Sold out', 'ai-eshop-optimizer' ),
            'backorder'  => __( 'Available on back-order', 'ai-eshop-optimizer' ),
            
            'left'       => __( 'Only %d left', 'ai-eshop-optimizer' ),
            
            'chosenSay'  => __( 'Chosen: %s.', 'ai-eshop-optimizer' ),
            
            'removedSay' => __( 'Removed: %s.', 'ai-eshop-optimizer' ),
            'nothing'    => __( 'Nothing chosen.', 'ai-eshop-optimizer' ),
            'cleared'    => __( 'Selections cleared.', 'ai-eshop-optimizer' ),
            'done'       => __( 'Done', 'ai-eshop-optimizer' ),
            'close'      => __( 'Close', 'ai-eshop-optimizer' ),
        );
    }

    
    private static function quote_words() {
        $ask = class_exists( 'AIEO_Catalogue_Mode' ) ? (string) AIEO_Catalogue_Mode::request_label() : '';
        $add = class_exists( 'AIEO_Product_Request_Settings' ) ? trim( (string) ( AIEO_Product_Request_Settings::get()['add_button_text'] ?? '' ) ) : '';
        return array(
            'ask' => '' !== $ask ? $ask : __( 'Request a quote', 'ai-eshop-optimizer' ),
            'add' => '' !== $add ? $add : __( 'Add to my quote as well', 'ai-eshop-optimizer' ),
        );
    }

    
    private $quote_for = 0;

    
    private $quote_one = array();

    
    public function quote_picker_draws( $product_id ) {
        $product_id = (int) $product_id;
        if ( $product_id <= 0 || ! function_exists( 'woocommerce_variable_add_to_cart' ) || ! $this->is_runtime_enabled() || ! self::cache_operational() ) {
            return false;
        }
        if ( ! is_singular( 'product' ) || (int) get_queried_object_id() !== $product_id ) {
            return false;
        }
        if ( false === has_filter( 'woocommerce_dropdown_variation_attribute_options_html', array( $this, 'filter_variation_attribute_options_html' ) ) ) {
            return false;
        }
        $ps = $this->resolve_product_settings( $product_id );
        if ( ! empty( $ps['multi_select_enabled'] ) && 'dropdown' === (string) ( $ps['display_style'] ?? 'grid' ) ) {
            return false;
        }
        return $this->swatches_draw( $product_id );
    }

    
    public function quote_form_html( $product_id ) {
        $product = function_exists( 'wc_get_product' ) ? wc_get_product( (int) $product_id ) : null;
        if ( ! $product instanceof WC_Product || ! $product->is_type( 'variable' ) || ! $this->quote_picker_draws( (int) $product_id ) ) {
            return '';
        }
        global $wp_filter;
        $pid    = (int) $product->get_id();
        $button = has_action( 'woocommerce_single_variation', 'woocommerce_single_variation_add_to_cart_button' );
        if ( false !== $button ) {
            remove_action( 'woocommerce_single_variation', 'woocommerce_single_variation_add_to_cart_button', (int) $button );
        }
        $held = array();
        foreach ( array( 'woocommerce_before_add_to_cart_form', 'woocommerce_after_add_to_cart_form' ) as $hook ) {
            if ( isset( $wp_filter[ $hook ] ) ) {
                $held[ $hook ] = $wp_filter[ $hook ];
                unset( $wp_filter[ $hook ] );
            }
        }
        add_filter( 'woocommerce_available_variation', array( __CLASS__, 'quote_variation_data' ), PHP_INT_MAX );
        $previous          = $GLOBALS['product'] ?? null;
        $GLOBALS['product'] = $product; 
        $this->quote_for   = $pid;
        ob_start();
        try {
            woocommerce_variable_add_to_cart();
        } finally {
            $html               = trim( (string) ob_get_clean() );
            $this->quote_for    = 0;
            $GLOBALS['product'] = $previous; 
            remove_filter( 'woocommerce_available_variation', array( __CLASS__, 'quote_variation_data' ), PHP_INT_MAX );
            foreach ( $held as $hook => $callbacks ) {
                $wp_filter[ $hook ] = $callbacks; 
            }
            if ( false !== $button ) {
                add_action( 'woocommerce_single_variation', 'woocommerce_single_variation_add_to_cart_button', (int) $button );
            }
        }
        if ( false === strpos( $html, '<form class="variations_form cart"' ) || false === strpos( $html, 'om-variations-wrapper' ) ) {
            return '';
        }
        $html = (string) preg_replace( '/<form class="variations_form cart"/', '<form class="variations_form cart aieo-quote-form" data-aieo-quote', $html, 1 );
        
        
        $frame = function_exists( 'wp_is_block_theme' ) && wp_is_block_theme() ? 'wp-block-add-to-cart-form wc-block-add-to-cart-form ' : '';
        return '<div class="' . $frame . 'aieo-quote-shades" data-product="' . $pid . '" data-rooster-ui="rooster-one/swatches/quote">' . $html . '</div>';
    }

    
    public static function quote_variation_data( $data ) {
        if ( ! is_array( $data ) ) {
            return $data;
        }
        unset( $data['display_price'], $data['display_regular_price'] );
        $data['price_html'] = '';
        return $data;
    }

    
    private function build_archive_css( $v ) {
        $css  = '';

        
        $css .= ".om-product-swatches--archive .om-variation-type-color a{"
              . "width:{$v('color_width_shop_archive',18)}px;height:{$v('color_height_shop_archive',18)}px;"
              . "border-radius:{$v('color_border_radius_shop_archive',50)}px;"
              . "border:{$v('color_border_size_shop_archive',1)}px solid {$v('color_border_color_shop_archive','#dedede')};"
              . "}";
        $css .= ".om-product-swatches--archive .om-variation-type-color a:hover{"
              . "border:{$v('color_border_size_hover_shop_archive',2)}px solid {$v('color_border_color_hover_shop_archive','#212121')};"
              . "}";
        $css .= ".om-product-swatches--archive .om-variation-type-color a.active{"
              . "border:{$v('color_border_size_selected_shop_archive',2)}px solid {$v('color_border_color_selected_shop_archive','#212121')};"
              . "}";
        $css .= ".om-product-swatches--archive .om-variation-type-color{gap:{$v('color_gap_shop_archive',6)}px;}";

        
        $css .= ".om-product-swatches--archive .om-variation-type-button a{"
              . "color:{$v('button_text_color_shop_archive','#212121')};"
              . "background-color:{$v('button_bg_color_shop_archive','#ffffff')};"
              . "border:{$v('button_border_size_shop_archive',1)}px solid {$v('button_border_color_shop_archive','#212121')};"
              . "border-radius:{$v('button_border_radius_shop_archive',5)}px;"
              . "padding:{$v('button_padding_top_shop_archive',6)}px {$v('button_padding_right_shop_archive',10)}px {$v('button_padding_bottom_shop_archive',6)}px {$v('button_padding_left_shop_archive',10)}px;"
              . "}";
        $css .= ".om-product-swatches--archive .om-variation-type-button a:hover{"
              . "color:{$v('button_text_color_hover_shop_archive','#ffffff')};"
              . "background-color:{$v('button_bg_color_hover_shop_archive','#212121')};"
              . "border-color:{$v('button_border_color_hover_shop_archive','#212121')};"
              . "}";
        $css .= ".om-product-swatches--archive .om-variation-type-button a.active{"
              . "color:{$v('button_text_color_selected_shop_archive','#ffffff')};"
              . "background-color:{$v('button_bg_color_selected_shop_archive','#212121')};"
              . "border-color:{$v('button_border_color_selected_shop_archive','#212121')};"
              . "}";
        $css .= ".om-product-swatches--archive .om-variation-type-button{gap:{$v('button_gap_shop_archive',6)}px;}";

        
        $css .= ".om-product-swatches--archive .om-variation-type-image a{"
              . "width:{$v('image_width_shop_archive',26)}px;height:{$v('image_height_shop_archive',26)}px;"
              . "border-radius:{$v('image_border_radius_shop_archive',0)}px;"
              . "border:{$v('image_border_size_shop_archive',1)}px solid {$v('image_border_color_shop_archive','#dedede')};"
              . "overflow:hidden;}";
        $css .= ".om-product-swatches--archive .om-variation-type-image a img{border-radius:{$v('image_border_radius_shop_archive',0)}px;}";
        $css .= ".om-product-swatches--archive .om-variation-type-image a:hover{"
              . "border:{$v('image_border_size_hover_shop_archive',2)}px solid {$v('image_border_color_hover_shop_archive','#212121')};"
              . "}";
        $css .= ".om-product-swatches--archive .om-variation-type-image a.active{"
              . "border:{$v('image_border_size_selected_shop_archive',2)}px solid {$v('image_border_color_selected_shop_archive','#212121')};"
              . "}";
        $css .= ".om-product-swatches--archive .om-variation-type-image{gap:{$v('image_gap_shop_archive',6)}px;}";

        return $css;
    }

    
    private function build_recommendation_css( $v ) {
        $roots = array(
            '.related.products .om-product-swatches',
            '.cross-sells .om-product-swatches',
            '.up-sells .om-product-swatches',
            'section.related .om-product-swatches',
            '.woocommerce-related-products .om-product-swatches',
            '.products.related .om-product-swatches',
            '.om-ppe-recently-viewed-section .om-product-swatches',
            '.merchant-recently-viewed-products .om-product-swatches',
            '.om-ppe-wishlist-page .om-product-swatches',
            '.om-ppe-wishlist-cart-section .om-product-swatches',
        );

        $join = function ( $suffix ) use ( $roots ) {
            return implode( ',', array_map( function ( $r ) use ( $suffix ) { return $r . $suffix; }, $roots ) );
        };

        $css  = '';

        
        $css .= $join( ' .om-variation-type-color a' ) . "{"
              . "width:{$v('color_width_shop_archive',18)}px;height:{$v('color_height_shop_archive',18)}px;"
              . "border-radius:{$v('color_border_radius_shop_archive',50)}px;"
              . "border:{$v('color_border_size_shop_archive',1)}px solid {$v('color_border_color_shop_archive','#dedede')};}";
        $css .= $join( ' .om-variation-type-color a:hover' ) . "{"
              . "border:{$v('color_border_size_hover_shop_archive',2)}px solid {$v('color_border_color_hover_shop_archive','#212121')};}";
        $css .= $join( ' .om-variation-type-color a.active' ) . "{"
              . "border:{$v('color_border_size_selected_shop_archive',2)}px solid {$v('color_border_color_selected_shop_archive','#212121')};}";
        $css .= $join( ' .om-variation-type-color' ) . "{gap:{$v('color_gap_shop_archive',6)}px;}";

        
        $css .= $join( ' .om-variation-type-button a' ) . "{"
              . "color:{$v('button_text_color_shop_archive','#212121')};"
              . "background-color:{$v('button_bg_color_shop_archive','#ffffff')};"
              . "border:{$v('button_border_size_shop_archive',1)}px solid {$v('button_border_color_shop_archive','#212121')};"
              . "border-radius:{$v('button_border_radius_shop_archive',5)}px;"
              . "padding:{$v('button_padding_top_shop_archive',6)}px {$v('button_padding_right_shop_archive',10)}px {$v('button_padding_bottom_shop_archive',6)}px {$v('button_padding_left_shop_archive',10)}px;}";
        $css .= $join( ' .om-variation-type-button a:hover' ) . "{"
              . "color:{$v('button_text_color_hover_shop_archive','#ffffff')};"
              . "background-color:{$v('button_bg_color_hover_shop_archive','#212121')};"
              . "border-color:{$v('button_border_color_hover_shop_archive','#212121')};}";
        $css .= $join( ' .om-variation-type-button a.active' ) . "{"
              . "color:{$v('button_text_color_selected_shop_archive','#ffffff')};"
              . "background-color:{$v('button_bg_color_selected_shop_archive','#212121')};"
              . "border-color:{$v('button_border_color_selected_shop_archive','#212121')};}";
        $css .= $join( ' .om-variation-type-button' ) . "{gap:{$v('button_gap_shop_archive',6)}px;}";

        
        $css .= $join( ' .om-variation-type-image a' ) . "{"
              . "width:{$v('image_width_shop_archive',26)}px;height:{$v('image_height_shop_archive',26)}px;"
              . "border-radius:{$v('image_border_radius_shop_archive',0)}px;"
              . "border:{$v('image_border_size_shop_archive',1)}px solid {$v('image_border_color_shop_archive','#dedede')};"
              . "overflow:hidden;}";
        $css .= $join( ' .om-variation-type-image a img' ) . "{border-radius:{$v('image_border_radius_shop_archive',0)}px;}";
        $css .= $join( ' .om-variation-type-image a:hover' ) . "{"
              . "border:{$v('image_border_size_hover_shop_archive',2)}px solid {$v('image_border_color_hover_shop_archive','#212121')};}";
        $css .= $join( ' .om-variation-type-image a.active' ) . "{"
              . "border:{$v('image_border_size_selected_shop_archive',2)}px solid {$v('image_border_color_selected_shop_archive','#212121')};}";
        $css .= $join( ' .om-variation-type-image' ) . "{gap:{$v('image_gap_shop_archive',6)}px;}";

        return $css;
    }

    
    public function output_early_multi_select_css() {
        if ( ! is_product() ) { return; }

        
        
        if ( class_exists( 'OM_Product_Swatches_Handler' ) ) { return; }

        $pid = (int) get_the_ID();
        if ( $pid <= 0 ) { return; }
        if ( ! $this->multi_select_draws( $pid ) ) { return; }

        echo '<style id="aieo-multi-select-early-css">'
           . '.om-multi-select-enabled .variations_form .single_add_to_cart_button,'
           . '.om-multi-select-enabled .variations_form .woocommerce-variation-add-to-cart,'
           . '.om-multi-select-enabled .variations_form .woocommerce-variation-add-to-cart .quantity'
           . '{display:none !important;}'
           . '</style>';
    }

    
    public function filter_ajax_variation_threshold( $threshold, $product ) {
        return (int) apply_filters( 'aieo_swatches_ajax_variation_threshold', 200, $product );
    }

    
    
    private function swatch_mode() {
        if ( null === $this->swatch_mode ) {
            $this->swatch_mode = class_exists( 'AIEO_Theme_Adapters' )
                ? (string) AIEO_Theme_Adapters::mode( 'swatches' )
                : '';
        }
        return $this->swatch_mode;
    }

    
    private function host_class( $slot, $type = '' ) {
        if ( 'inherit' !== $this->swatch_mode() || ! class_exists( 'AIEO_Theme_Adapters' ) ) {
            return '';
        }

        $map = AIEO_Theme_Adapters::adapter_surface( 'swatches', 'style_map', array() );
        if ( ! is_array( $map ) || empty( $map[ $slot ] ) ) {
            return '';
        }

        $classes = (string) $map[ $slot ];

        
        if ( '' !== $type && ! empty( $map[ $slot . '_type' ] ) ) {
            $template = (string) $map[ $slot . '_type' ];
            if ( false !== strpos( $template, '%s' ) ) {
                $classes .= ' ' . sprintf( $template, $type );
            }
        }

        return $classes;
    }

    
    private function host_class_suffix( $slot, $type = '' ) {
        $classes = $this->host_class( $slot, $type );
        return '' === $classes ? '' : ' ' . $classes;
    }

    
    public function veto_swatch_skin( $src, $handle ) {
        if ( 'aieo-swatches' !== $handle ) {
            return $src;
        }
        return ( 'inherit' === $this->swatch_mode() ) ? false : $src;
    }

    
    private function resolve_attribute_type( $tax, $attribute ) {
        $type = isset( $tax->attribute_type ) ? (string) $tax->attribute_type : '';

        
        
        
        
        if ( 'wc-visual' === $type ) {
            return $this->wc_visual_has_images( $this->get_attribute_taxonomy_name( $tax, $attribute ) ) ? 'image' : 'color';
        }

        if ( ! class_exists( 'AIEO_Swatch_Type_Detector' ) ) {
            return $type;
        }

        $taxonomy = $this->get_attribute_taxonomy_name( $tax, $attribute );

        return (string) AIEO_Swatch_Type_Detector::resolve( $type, $taxonomy );
    }

    
    private function wc_visual_has_images( $taxonomy ) {
        if ( ! isset( $this->wc_visual_images[ $taxonomy ] ) ) {
            global $wpdb;
            $this->wc_visual_images[ $taxonomy ] = (bool) $wpdb->get_var( $wpdb->prepare(
                "SELECT 1 FROM {$wpdb->termmeta} tm
                 JOIN {$wpdb->term_taxonomy} tt ON tt.term_id = tm.term_id
                 WHERE tt.taxonomy = %s AND tm.meta_key = 'image' AND tm.meta_value NOT IN ('', '0')
                 LIMIT 1",
                (string) $taxonomy
            ) );
        }
        return $this->wc_visual_images[ $taxonomy ];
    }

    
    private function get_attribute_taxonomy_name( $tax, $attribute ) {
        if ( isset( $tax->attribute_name ) && '' !== (string) $tax->attribute_name ) {
            return 'pa_' . (string) $tax->attribute_name;
        }
        $attribute = (string) $attribute;
        return 0 === strpos( $attribute, 'pa_' ) ? $attribute : 'pa_' . $attribute;
    }

    public function arbitrate_with_theme() {
        if ( ! class_exists( 'AIEO_Theme_Adapters' ) ) {
            return;
        }

        
        
        
        
        
        if ( AIEO_Theme_Adapters::should_stand_down( 'swatches' ) ) {
            $this->stand_down = true;
            remove_filter( 'woocommerce_dropdown_variation_attribute_options_html',
                array( $this, 'filter_variation_attribute_options_html' ), 10 );
            return;
        }

        $this->stand_down = false;

        $priority = (int) AIEO_Theme_Adapters::adapter_surface( 'swatches', 'filter_priority', 10 );
        if ( 10 === $priority ) {
            
            return;
        }

        remove_filter( 'woocommerce_dropdown_variation_attribute_options_html',
            array( $this, 'filter_variation_attribute_options_html' ), 10 );
        add_filter( 'woocommerce_dropdown_variation_attribute_options_html',
            array( $this, 'filter_variation_attribute_options_html' ), $priority, 2 );
    }

    
    public function filter_body_class( $classes ) {
        if ( ! is_product() ) { return $classes; }
        $pid = (int) get_the_ID();
        if ( $pid <= 0 ) { return $classes; }
        if ( $this->multi_select_draws( $pid ) ) {
            $classes[] = 'om-multi-select-enabled';
        }
        return $classes;
    }

    
    public function swatches_draw( $product_id ) {
        $product_id = (int) $product_id;
        if ( isset( $this->swatches_draw_memo[ $product_id ] ) ) {
            return $this->swatches_draw_memo[ $product_id ];
        }

        $draws = false;
        if ( true !== $this->stand_down ) {
            $product = wc_get_product( $product_id );
            
            
            
            $cache = ( $product && $product->is_type( 'variable' ) )
                ? ( $this->read_cache_row( $product_id, 'single' ) ?: $this->fallback_cache( $product, 'single' ) )
                : null;
            $ready = ! empty( $cache['variations'] );
            if ( $ready ) {
                foreach ( array_keys( (array) $product->get_variation_attributes() ) as $attribute ) {
                    $tax = $this->get_attribute_taxonomy( $attribute );
                    if ( $tax && in_array( $this->resolve_attribute_type( $tax, $attribute ), array( 'color', 'image', 'button' ), true ) ) {
                        $draws = true;
                        break;
                    }
                }
            }
        }

        return $this->swatches_draw_memo[ $product_id ] = $draws;
    }

    
    private function multi_select_draws( $product_id ) {
        $ps = $this->resolve_product_settings( (int) $product_id );
        return ! empty( $ps['multi_select_enabled'] ) && $this->swatches_draw( (int) $product_id );
    }

    
    public function multi_select_on( $product_id ) {
        return $this->is_runtime_enabled() && self::cache_operational() && $this->multi_select_draws( (int) $product_id );
    }

    
    private $title_line_done = false;

    
    public function title_line_draws( $product ) {
        if ( ! $product instanceof WC_Product || ! $product->is_type( 'variable' ) ) { return false; }
        if ( ! is_singular( 'product' ) || (int) get_queried_object_id() !== (int) $product->get_id() ) { return false; }
        $settings = $this->get_settings();
        if ( empty( $settings['display_variation_name_on_product_title'] ) ) { return false; }
        if ( ! $this->swatches_draw( $product->get_id() ) || $this->multi_select_draws( $product->get_id() ) ) { return false; }
        return ! ( class_exists( 'AIEO_Catalogue_Mode' ) && AIEO_Catalogue_Mode::cart_off( $product ) );
    }

    
    public function title_line_html( $product, $tag = 'span' ) {
        $tag   = 'p' === $tag ? 'p' : 'span';
        $parts = array();
        $cache = $this->read_cache_row( (int) $product->get_id(), 'single' ) ?: $this->fallback_cache( $product, 'single' );
        $variations = ( is_array( $cache ) && is_array( $cache['variations'] ?? null ) ) ? $cache['variations'] : array();
        foreach ( (array) $product->get_variation_attributes() as $attribute => $options ) {
            $key = 'attribute_' . sanitize_title( (string) $attribute );
            
            $slug = isset( $_REQUEST[ $key ] ) ? wc_clean( wp_unslash( $_REQUEST[ $key ] ) ) : $product->get_variation_default_attribute( $attribute );
            if ( ! is_string( $slug ) || '' === $slug || ! in_array( $slug, (array) $options, true ) ) { continue; }
            $term = taxonomy_exists( (string) $attribute ) ? get_term_by( 'slug', $slug, (string) $attribute ) : false;
            if ( ! $term ) {
                $parts[] = $slug;
                continue;
            }
            $tax     = $this->get_attribute_taxonomy( $attribute );
            $swatch  = $tax && in_array( $this->resolve_attribute_type( $tax, $attribute ), array( 'color', 'image', 'button' ), true );
            $parts[] = $swatch ? $this->term_caption( $variations, $attribute, $term ) : (string) apply_filters( 'woocommerce_variation_option_name', $term->name, $term, $attribute, $product );
        }
        $name = trim( (string) preg_replace( '/\s+/u', ' ', implode( ' · ', $parts ) ) );
        return '<' . $tag . ' class="om-ptitle-variation-name om-ptitle-variation-name--page" data-rooster-ui="rooster-one/swatches/title" data-product="' . esc_attr( (string) $product->get_id() ) . '" aria-hidden="true">'
            . ( '' === $name ? '&nbsp;' : esc_html( $name ) ) . '</' . $tag . '>';
    }

    
    public function title_line_in_title( $content, $block = array(), $instance = null ) {
        if ( $this->title_line_done || is_admin() || ! is_singular( 'product' ) ) { return $content; }
        $level = (int) ( $block['attrs']['level'] ?? 2 );
        $id    = ( $instance instanceof WP_Block && isset( $instance->context['postId'] ) ) ? (int) $instance->context['postId'] : 0;
        if ( 1 !== $level || $id !== (int) get_queried_object_id() || ! preg_match( '~</h1>\s*$~', (string) $content ) ) { return $content; }
        $product = wc_get_product( $id );
        if ( ! $this->title_line_draws( $product ) ) { return $content; }
        $this->title_line_done = true;
        return (string) preg_replace( '~</h1>\s*$~', $this->title_line_html( $product ) . '</h1>', (string) $content, 1 );
    }

    
    public function print_title_line() {
        if ( $this->title_line_done || ! has_action( 'woocommerce_single_product_summary', 'woocommerce_template_single_title' ) ) { return; }
        $product = wc_get_product( get_queried_object_id() );
        if ( ! $this->title_line_draws( $product ) ) { return; }
        $this->title_line_done = true;
        echo $this->title_line_html( $product, 'p' ); 
    }

    
    private function term_caption( array $variations, $attribute, $term, $variation_ids = null ) {
        $ids   = is_array( $variation_ids ) ? $variation_ids : $this->get_variation_ids_by_term( $variations, $attribute, $term->slug );
        $vdesc = $this->get_variation_description_by_ids( $variations, $ids );
        return ( $vdesc !== '' ) ? ( $vdesc . ' - ' . $term->name ) : $term->name;
    }

    
    public function maybe_remove_default_add_to_cart() {
        if ( is_admin() || ! is_product() ) { return; }

        $pid = (int) get_the_ID();
        if ( $pid <= 0 ) { return; }

        if ( ! $this->multi_select_draws( $pid ) ) { return; }

        
        
        remove_action( 'woocommerce_single_variation', 'woocommerce_single_variation_add_to_cart_button', 20 );
    }

    
    private function get_all_cart_variations_data() {
        $out = array();
        if ( ! function_exists( 'WC' ) || ! WC()->cart ) { return $out; }

        foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) {
            $product_id   = isset( $cart_item['product_id'] )   ? (int) $cart_item['product_id']   : 0;
            $variation_id = isset( $cart_item['variation_id'] ) ? (int) $cart_item['variation_id'] : 0;
            $quantity     = isset( $cart_item['quantity'] )     ? (int) $cart_item['quantity']     : 1;
            if ( $product_id <= 0 || $variation_id <= 0 ) { continue; }

            if ( ! isset( $out[ $product_id ] ) ) { $out[ $product_id ] = array(); }

            if ( isset( $out[ $product_id ][ $variation_id ] ) ) {
                
                $out[ $product_id ][ $variation_id ]['qty'] += $quantity;
                continue;
            }

            
            
            
            $variation_name = '';
            if ( isset( $cart_item['variation'] ) && is_array( $cart_item['variation'] ) ) {
                $parts = array();
                foreach ( $cart_item['variation'] as $attr_key => $attr_value ) {
                    if ( $attr_value === '' ) { continue; }
                    $taxonomy = str_replace( 'attribute_', '', (string) $attr_key );
                    $term     = get_term_by( 'slug', (string) $attr_value, $taxonomy );
                    $parts[]  = ( $term && ! is_wp_error( $term ) )
                        ? (string) $term->name
                        : ucfirst( str_replace( '-', ' ', (string) $attr_value ) );
                }
                $variation_name = implode( ', ', $parts );
            }

            $out[ $product_id ][ $variation_id ] = array(
                'qty'           => $quantity,
                'name'          => $variation_name,
                'cart_item_key' => (string) $cart_item_key,
            );
        }

        return $out;
    }

    
    public function output_cart_variations_data_tag() {
        
        
        $aieo_product_search = is_search() && ( 'product' === get_query_var( 'post_type' ) || is_post_type_archive( 'product' ) );
        if ( ! is_product() && ! is_shop() && ! is_product_taxonomy() && ! $aieo_product_search ) { return; }

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

        $data = $this->get_all_cart_variations_data();
        echo '<script type="application/json" class="om-cart-variations-data">'
           . wp_json_encode( $data )
           . '</script>';
    }

    
    public function add_cart_variations_fragment( $fragments ) {
        $s = $this->get_settings();
        if ( isset( $s['cart_sync_enabled'] ) && empty( $s['cart_sync_enabled'] ) ) {
            return $fragments;
        }
        if ( ! is_array( $fragments ) ) { $fragments = array(); }
        $data = $this->get_all_cart_variations_data();
        $fragments['.om-cart-variations-data'] =
            '<script type="application/json" class="om-cart-variations-data">'
            . wp_json_encode( $data )
            . '</script>';
        return $fragments;
    }

    
    public function output_see_all_variations_modal() {
        
        
        if ( class_exists( 'OM_Product_Swatches_Handler' ) ) { return; }

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

        if ( ! is_shop() && ! is_product_taxonomy() && ! is_search() ) { return; }

        $title = self::copy_or( $s['see_all_modal_title'] ?? '', __( 'All Variations', 'ai-eshop-optimizer' ) );
        $view  = self::copy_or( $s['see_all_view_product_text'] ?? '', __( 'View product page', 'ai-eshop-optimizer' ) );
        ?>
<div id="om-see-all-variations-modal" class="om-modal" style="display:none;">
    <div class="om-modal-overlay"></div>
    <div class="om-modal-container">
        <div class="om-modal-header">
            <h3 class="om-modal-title"><?php echo esc_html( $title ); ?></h3>
            <button type="button" class="om-modal-close" aria-label="<?php esc_attr_e( 'Close', 'ai-eshop-optimizer' ); ?>">
                <span aria-hidden="true">&times;</span>
            </button>
        </div>
        <div class="om-modal-body">
            <div class="om-modal-product-info">
                <div class="om-modal-image-wrapper">
                    <img class="om-modal-product-image" src="" alt="" />
                </div>
                <div class="om-modal-product-details">
                    <h4 class="om-modal-product-title"></h4>
                    <a href="#" class="om-modal-view-product"><?php echo esc_html( $view ); ?></a>
                </div>
            </div>
            <div class="om-modal-variations-grid">
                <div class="om-modal-loading">
                    <span class="om-spinner"></span>
                    <?php esc_html_e( 'Loading variations...', 'ai-eshop-optimizer' ); ?>
                </div>
            </div>
        </div>
    </div>
</div>
        <?php
    }

    public function setup_archive_swatches() {
        
        
        
        
        if ( true === $this->stand_down ) { return; }

        if ( is_admin() ) { return; }
        
        
        
        
        
        
        $is_archive = is_shop()
            || ( function_exists( 'is_product_taxonomy' ) && is_product_taxonomy() )
            || is_search();
        if ( ! $is_archive ) { return; }

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

        
        
        remove_action( 'woocommerce_after_shop_loop_item', 'woocommerce_template_loop_add_to_cart', 10 );
        add_action( 'woocommerce_after_shop_loop_item', array( $this, 'render_archive_swatches' ), 10 );
        if ( class_exists( 'AIEO_Theme_Adapters' ) && method_exists( 'AIEO_Theme_Adapters', 'draw' ) ) { AIEO_Theme_Adapters::draw( 'archive_swatches', 'woocommerce_after_shop_loop_item' ); }

        
        
        
        
        
        
        
        add_action( 'woocommerce_after_shop_loop_item', static function () {
            remove_action( 'woocommerce_after_shop_loop_item', 'woocommerce_template_loop_add_to_cart', 10 );
        }, 9 );
    }

    
    public function render_archive_swatches() {
        global $product;
        if ( ! $product instanceof WC_Product ) { return; }
        
        if ( class_exists( 'AIEO_Card', false ) && AIEO_Card::draws_block_card() ) { return; }

        $product_id = (int) $product->get_id();

        
        
        
        
        
        
        
        
        
        if ( isset( self::$rendered_for_product[ $product_id ] ) ) {
            return;
        }

        if ( ! $product->is_type( 'variable' ) ) {
            
            
            
            
            self::$rendered_for_product[ $product_id ] = 'classic_loop';
            woocommerce_template_loop_add_to_cart();
            return;
        }

        self::$rendered_for_product[ $product_id ] = 'classic_loop';

        $cache      = $this->read_cache_row( $product_id, 'archive' );

        if ( ! $cache ) {
            
            
            $cache = $this->fallback_cache( $product, 'archive' );
        }

        if ( ! $cache || empty( $cache['variations'] ) ) {
            woocommerce_template_loop_add_to_cart();
            return;
        }

        
        
        
        
        $this->render_archive_product_wrapper( $product, $cache );
    }

    
    public function render_card_swatches_html( WC_Product $product, $context = 'archive' ) {
        if ( ! $this->is_runtime_enabled() ) { return ''; }
        if ( 'archive' === $context && class_exists( 'AIEO_Card', false ) && AIEO_Card::draws_block_card() ) { return ''; }

        $context_key = ( $context === 'product' ) ? 'product' : 'archive';
        $product_id  = (int) $product->get_id();

        
        self::want_assets();

        
        
        
        
        
        
        if ( isset( self::$rendered_for_product[ $product_id ] ) ) {
            return '';
        }

        
        
        
        
        
        
        
        
        
        if ( ! $product->is_type( 'variable' ) || ! self::cache_operational() ) {
            self::$rendered_for_product[ $product_id ] = 'block';
            return $this->card_cta_only_html( $product );
        }

        self::$rendered_for_product[ $product_id ] = 'block';

        $cache = $this->read_cache_row( $product_id, $context_key );
        if ( ! $cache ) {
            $cache = $this->fallback_cache( $product, $context_key );
        }
        if ( ! $cache || empty( $cache['variations'] ) ) {
            
            return $this->card_cta_only_html( $product );
        }

        
        
        
        $previous = isset( $GLOBALS['product'] ) ? $GLOBALS['product'] : null;
        $GLOBALS['product'] = $product;

        ob_start();
        $this->render_archive_product_wrapper( $product, $cache );
        $html = (string) ob_get_clean();

        if ( $previous === null ) {
            unset( $GLOBALS['product'] );
        } else {
            $GLOBALS['product'] = $previous;
        }

        return $html;
    }

    
    private function card_cta_only_html( WC_Product $product ) {
        $previous = isset( $GLOBALS['product'] ) ? $GLOBALS['product'] : null;
        $GLOBALS['product'] = $product;
        ob_start();
        echo '<div class="om-product-swatches om-product-swatches--archive om-product-swatches--simple">';
        $this->render_archive_cta_link( $product );
        echo '</div>';
        $html = (string) ob_get_clean();
        if ( $previous === null ) { unset( $GLOBALS['product'] ); } else { $GLOBALS['product'] = $previous; }
        return $html;
    }

    
    
    public function render_card_row_html( WC_Product $product, $cap = 8 ) {
        if ( ! $this->is_runtime_enabled() || ! $product->is_type( 'variable' ) || ! self::cache_operational() ) { return ''; }
        $cache = $this->read_cache_row( (int) $product->get_id(), 'archive' );
        if ( ! $cache ) {
            
            $cache = $this->fallback_cache( $product, 'archive' );
        }
        if ( ! $cache || empty( $cache['variations'] ) ) { return ''; }
        $variations = (array) $cache['variations'];

        $attribute = '';
        $tax       = null;
        $type      = '';
        $options   = array();
        foreach ( (array) $product->get_variation_attributes() as $name => $opts ) {
            $t = $this->get_attribute_taxonomy( (string) $name );
            if ( ! $t ) { continue; }
            $ty = $this->resolve_attribute_type( $t, (string) $name );
            if ( 'select' === $ty ) { continue; }
            $attribute = (string) $name;
            $tax       = $t;
            $type      = $ty;
            $options   = array_map( 'strval', (array) $opts );
            break;
        }
        if ( '' === $attribute || empty( $options ) ) { return ''; }

        $terms = wc_get_product_terms( (int) $product->get_id(), $attribute, array( 'fields' => 'all' ) );
        if ( is_wp_error( $terms ) || ! is_array( $terms ) ) { return ''; }
        $term_ids = array();
        foreach ( $terms as $t ) { $term_ids[] = (int) $t->term_id; }
        if ( $term_ids && function_exists( 'update_termmeta_cache' ) ) { update_termmeta_cache( $term_ids ); }
        
        
        $pics = array();
        foreach ( $term_ids as $tid ) {
            $pic = (int) get_term_meta( $tid, '_aieo_swatch_image_id', true ) ?: (int) get_term_meta( $tid, 'product_attribute_image', true ) ?: (int) get_term_meta( $tid, 'image', true );
            if ( $pic > 0 ) { $pics[] = $pic; }
        }
        if ( $pics ) { update_meta_cache( 'post', array_unique( $pics ) ); }

        $url   = (string) get_permalink( $product->get_id() );
        $key   = 'attribute_' . sanitize_title( $attribute );
        
        $single = 1 === count( (array) $product->get_variation_attributes() );
        $total = 0;
        $items = array();
        $rules = array();
        static $printed = array();
        foreach ( $terms as $term ) {
            if ( ! in_array( $term->slug, $options, true ) ) { continue; }
            $total++;
            if ( count( $items ) >= max( 1, (int) $cap ) ) { continue; }
            $ids = $this->get_variation_ids_by_term( $variations, $attribute, $term->slug );
            if ( empty( $ids ) || $this->is_term_out_of_stock( $variations, $ids ) ) { continue; }

            $class = 'rc-swatch';
            $inner = '';
            if ( 'button' === $type ) {
                $inner = esc_html( $term->name );
            } elseif ( 'color' === $type
                || ( ! empty( $this->wc_visual_images[ $this->get_attribute_taxonomy_name( null, $attribute ) ] )
                    && (int) get_term_meta( (int) $term->term_id, 'image', true ) <= 0
                    && '' !== (string) get_term_meta( (int) $term->term_id, 'color', true ) ) ) {
                $cls   = 'rs-t-' . (int) $term->term_id;
                $class .= ' ' . $cls;
                if ( ! isset( $printed[ $cls ] ) ) {
                    $printed[ $cls ] = true;
                    $rules[]         = '.rc-swatch.' . $cls . '{' . str_replace( array( '{', '}', '<', '>' ), '', $this->resolve_term_color_style( (int) $term->term_id ) ) . '}';
                }
            } else {
                
                list( $sw_w, $sw_h ) = class_exists( 'AIEO_Swatch_Sizes' ) ? AIEO_Swatch_Sizes::dims( 'om_swatch_archive_2x' ) : array( 64, 64 );
                $img = $this->resolve_term_image_src( (int) $term->term_id, $variations, $attribute, $term->slug, $sw_w ?: 64, $sw_h ?: 64, true );
                if ( ! empty( $img['url'] ) ) {
                    $cls   = 'rs-i-' . substr( md5( (string) $img['url'] ), 0, 10 );
                    $class .= ' ' . $cls;
                    if ( ! isset( $printed[ $cls ] ) ) {
                        $printed[ $cls ] = true;
                        $rules[]         = '.rc-swatch.' . $cls . '{--rc-sw:url("' . esc_url( (string) $img['url'] ) . '")}';
                    }
                }
            }
            $items[] = array(
                'class' => $class,
                'href'  => add_query_arg( $key, rawurlencode( $term->slug ), $url ),
                'name'  => $term->name,
                'vid'   => ( $single && 1 === count( $ids ) ) ? (int) reset( $ids ) : 0,
                'inner' => $inner,
            );
        }
        if ( empty( $items ) ) { return ''; }

        
        $shown      = count( $items );
        $capacities = array( 3, 4, 5, 6, 7, 8 );
        $rest       = '';
        foreach ( $capacities as $k ) {
            $fits = ( $total <= $k && $shown >= $total );
            $left = $fits ? 0 : $total - min( $shown, $k - 1 );
            $rest .= ' data-rest-' . $k . '="' . ( $left > 0 ? '+' . $left : '' ) . '"';
        }
        
        
        
        $pickable = $total <= max( $capacities ) && $shown >= $total;
        foreach ( $items as $i => $it ) {
            $items[ $i ] = sprintf(
                '<a class="%1$s" href="%2$s"%3$s aria-label="%4$s"%5$s>%6$s</a>',
                esc_attr( $it['class'] ),
                esc_url( $it['href'] ),
                ( $pickable && $it['vid'] ) ? ' role="button" aria-pressed="false"' : '',
                esc_attr( $it['name'] ),
                $it['vid'] ? ' data-variation-id="' . (int) $it['vid'] . '"' : '',
                $it['inner']
            );
        }
        
        $more = sprintf( '<a class="rc-more" href="%1$s"%2$s aria-label="%3$s"></a>', esc_url( $url ), $rest, esc_attr( sprintf( __( 'See all %d variations', 'ai-eshop-optimizer' ), $total ) ) );

        $style = $rules ? '<style>' . implode( '', $rules ) . '</style>' : '';
        
        
        
        
        return $style . sprintf(
            '<div class="rc-swatches%1$s" data-type="%2$s" data-product="%6$d" data-total="%7$d" data-rows="%8$d" aria-label="%3$s">%4$s%5$s</div>',
            'button' === $type ? ' rc-swatches--text' : '',
            esc_attr( $type ),
            esc_attr( wc_attribute_label( $attribute, $product ) ),
            implode( '', $items ),
            $more,
            (int) $product->get_id(),
            (int) $total,
            count( (array) $product->get_children() )
        );
    }

    
    public function card_list_rows( WC_Product $product ) {
        $out = array( 'rows' => array(), 'styles' => '' );
        if ( ! $product->is_type( 'variable' ) ) { return $out; }

        
        $card_attr = '';
        foreach ( array_keys( (array) $product->get_variation_attributes() ) as $name ) {
            $t = $this->get_attribute_taxonomy( (string) $name );
            if ( $t && 'select' !== $this->resolve_attribute_type( $t, (string) $name ) ) { $card_attr = (string) $name; break; }
        }
        $card_type = '';
        if ( '' !== $card_attr ) {
            $card_type = $this->resolve_attribute_type( $this->get_attribute_taxonomy( $card_attr ), $card_attr );
        }

        $in_cart = array();
        if ( function_exists( 'WC' ) && WC()->cart ) {
            foreach ( WC()->cart->get_cart() as $item ) {
                $vid = isset( $item['variation_id'] ) ? (int) $item['variation_id'] : 0;
                if ( $vid > 0 ) { $in_cart[ $vid ] = ( $in_cart[ $vid ] ?? 0 ) + (int) $item['quantity']; }
            }
        }

        $ids = array_map( 'intval', (array) $product->get_children() );
        if ( $ids && function_exists( '_prime_post_caches' ) ) { _prime_post_caches( $ids ); }
        $rules = array();
        
        $no_price = class_exists( 'AIEO_Catalogue_Mode' ) && AIEO_Catalogue_Mode::prices_off( $product );
        
        $ask = class_exists( 'AIEO_Product_Request_Settings' ) && method_exists( 'AIEO_Product_Request_Settings', 'quote_only' ) && AIEO_Product_Request_Settings::quote_only( $product );
        foreach ( $ids as $vid ) {
            $v = wc_get_product( $vid );
            if ( ! $v instanceof WC_Product_Variation || ( $ask ? 'publish' !== $v->get_status() : ! $v->variation_is_visible() ) ) { continue; }
            $names = array();
            $cls   = '';
            foreach ( (array) $v->get_variation_attributes() as $key => $slug ) {
                $tax  = substr( (string) $key, 10 ); 
                $term = ( '' !== (string) $slug && taxonomy_exists( $tax ) ) ? get_term_by( 'slug', (string) $slug, $tax ) : null;
                $names[] = $term ? $term->name : (string) $slug;
                if ( $term && '' === $cls && sanitize_title( $card_attr ) === sanitize_title( $tax ) && 'button' !== $card_type ) {
                    if ( 'color' === $card_type || ( (int) get_term_meta( (int) $term->term_id, 'image', true ) <= 0 && '' !== (string) get_term_meta( (int) $term->term_id, 'color', true ) && ! empty( $this->wc_visual_images[ $this->get_attribute_taxonomy_name( null, $card_attr ) ] ) ) ) {
                        $cls = 'rs-t-' . (int) $term->term_id;
                        $rules[ $cls ] = '.rc-swatch.' . $cls . '{' . str_replace( array( '{', '}', '<', '>' ), '', $this->resolve_term_color_style( (int) $term->term_id ) ) . '}';
                    } else {
                        
                        list( $sw_w, $sw_h ) = class_exists( 'AIEO_Swatch_Sizes' ) ? AIEO_Swatch_Sizes::dims( 'om_swatch_product_2x' ) : array( 150, 150 );
                        $img = $this->resolve_term_image_src( (int) $term->term_id, array(), $card_attr, $term->slug, $sw_w ?: 150, $sw_h ?: 150, false );
                        
                        if ( empty( $img['id'] ) || empty( $img['url'] ) ) { continue; }
                        $cls = 'rs-i-' . substr( md5( (string) $img['url'] ), 0, 10 );
                        $rules[ $cls ] = '.rc-swatch.' . $cls . '{--rc-sw:url("' . esc_url( (string) $img['url'] ) . '")}';
                    }
                }
            }
            if ( '' === $cls && $v->get_image_id() ) {
                $src = wp_get_attachment_image_src( (int) $v->get_image_id(), 'thumbnail' );
                if ( is_array( $src ) && ! empty( $src[0] ) ) {
                    $cls = 'rs-i-' . substr( md5( (string) $src[0] ), 0, 10 );
                    $rules[ $cls ] = '.rc-swatch.' . $cls . '{--rc-sw:url("' . esc_url( (string) $src[0] ) . '")}';
                }
            }
            $buys = $v->is_purchasable();
            $max  = $buys ? $v->get_max_purchase_quantity() : 0;
            $out['rows'][] = array(
                'id'      => (int) $vid,
                'name'    => implode( ' · ', array_filter( $names, 'strlen' ) ),
                'code'    => (string) $v->get_sku(),
                'price'   => $no_price ? 0.0 : (float) wc_get_price_to_display( $v ),
                'html'    => ( $ask && $no_price ) ? '' : (string) $v->get_price_html(),
                'stock'   => $buys && $v->is_in_stock(),
                'max'     => ( $max > 0 ) ? (int) $max : 0,
                'in_cart' => (int) ( $in_cart[ $vid ] ?? 0 ),
                'sw'      => $cls,
                'ask'     => $ask,
            );
        }
        $out['styles'] = implode( '', $rules );
        return $out;
    }

    
    private function is_one_to_one_variation_mapping( WC_Product $product ) {
        $pid = (int) $product->get_id();
        if ( isset( $this->one_to_one_memo[ $pid ] ) ) {
            return $this->one_to_one_memo[ $pid ];
        }
        $variation_ids = $product->get_children();
        $vcount = count( $variation_ids );
        if ( $vcount < 2 ) { return $this->one_to_one_memo[ $pid ] = false; }

        $attrs = $product->get_attributes();
        $var_attr_keys = array();
        foreach ( $attrs as $key => $attr ) {
            if ( is_object( $attr ) && method_exists( $attr, 'get_variation' ) && $attr->get_variation() ) {
                $var_attr_keys[] = (string) $key;
            }
        }
        if ( count( $var_attr_keys ) < 2 ) { return $this->one_to_one_memo[ $pid ] = false; }

        
        $distinct = array_fill_keys( $var_attr_keys, array() );
        foreach ( $variation_ids as $vid ) {
            $v = wc_get_product( $vid );
            if ( ! $v ) { continue; }
            $va = $v->get_attributes();
            foreach ( $var_attr_keys as $k ) {
                $val = isset( $va[ $k ] ) ? (string) $va[ $k ] : '';
                if ( $val !== '' ) { $distinct[ $k ][ $val ] = true; }
            }
        }
        
        
        foreach ( $distinct as $values ) {
            if ( count( $values ) !== $vcount ) {
                return $this->one_to_one_memo[ $pid ] = false;
            }
        }
        return $this->one_to_one_memo[ $pid ] = true;
    }

    private function render_archive_product_wrapper( WC_Product $product, array $cache ) {
        $product_id = (int) $product->get_id();

        $button_select_text = (string) $product->add_to_cart_text();
        $button_add_text    = (string) $product->single_add_to_cart_text();
        if ( $button_select_text === $button_add_text ) {
            $button_add_text = __( 'Add to cart', 'woocommerce' );
        }

        
        
        remove_action( 'woocommerce_single_variation', 'woocommerce_single_variation_add_to_cart_button', 20 );
        add_filter( 'woocommerce_reset_variations_link', '__return_empty_string' );

        
        
        
        
        
        $collapse      = $this->is_one_to_one_variation_mapping( $product );
        $collapse_attr = $collapse ? ' data-aieo-collapse-secondary="1"' : '';

        
        
        
        
        
        
        
        
        
        $lean  = (bool) apply_filters( 'aieo_card_swatches_lean', true, $product );
        $chips = '';
        if ( $lean ) {
            $defaults = (array) $product->get_default_attributes();
            $i        = 0;
            $rows     = '';
            foreach ( (array) $product->get_variation_attributes() as $attribute => $options ) {
                if ( $collapse && $i > 0 ) { break; }
                $key      = sanitize_title( (string) $attribute );
                $selected = isset( $defaults[ $key ] ) ? (string) $defaults[ $key ] : '';
                ob_start();
                $this->render_attribute_wrapper( $product, $cache, (string) $attribute, (array) $options, $selected, 'archive' );
                $row = trim( (string) ob_get_clean() );
                if ( '' !== $row ) {
                    
                    
                    
                    
                    
                    
                    $rows .= '<tr><td class="value">' . $row . '</td></tr>';
                }
                $i++;
            }
            if ( '' !== $rows ) {
                $chips = '<table class="variations" role="presentation"><tbody>' . $rows . '</tbody></table>';
            }
        }

        printf(
            '<div class="om-product-swatches om-product-swatches--archive" data-button-select-text="%1$s" data-button-add-text="%2$s"%3$s%4$s>',
            esc_attr( $button_select_text ),
            esc_attr( $button_add_text ),
            $collapse_attr, 
            ( $lean && '' !== $chips ) ? ' data-aieo-lazy-form="1"' : '' 
        );

        if ( $lean ) {
            echo $chips; 
            $this->render_archive_cta_link( $product );
            if ( '' !== $chips ) {
                
                
                
                
                wp_enqueue_script( 'wc-add-to-cart-variation' );
                printf( '<template class="aieo-card-swatches__form" data-aieo-form-src="%s"></template>', esc_url( self::card_form_url( $product_id ) ) );
            }
        } else {
            ob_start();
            add_filter( 'woocommerce_available_variation', array( __CLASS__, 'card_variation_data' ), PHP_INT_MAX );
            woocommerce_template_single_add_to_cart();
            remove_filter( 'woocommerce_available_variation', array( __CLASS__, 'card_variation_data' ), PHP_INT_MAX );
            echo trim( ob_get_clean() ); 
            $this->render_archive_cta_link( $product );
        }

        remove_filter( 'woocommerce_reset_variations_link', '__return_empty_string' );

        echo '</div>';
    }

    
    public static function card_variation_data( $data ) {
        if ( ! is_array( $data ) ) {
            return $data;
        }
        unset( $data['gallery_images_html'], $data['gallery_image_ids'], $data['dimensions'], $data['dimensions_html'], $data['weight'], $data['weight_html'] );
        if ( isset( $data['image'] ) && is_array( $data['image'] ) ) {
            $data['image'] = array_intersect_key( $data['image'], array_flip( array( 'src', 'srcset', 'sizes', 'alt', 'title', 'src_w', 'src_h', 'thumb_src' ) ) );
        }
        return $data;
    }

    
    public static function keep_card_script( $handles ) {
        $handles   = (array) $handles;
        $handles[] = 'aieo-card-swatches';
        return $handles;
    }

    
    public static function card_form_url( $product_id ) {
        return add_query_arg( 'product_id', (int) $product_id, WC_AJAX::get_endpoint( 'aieo_card_form' ) );
    }

    
    private function card_form_html( WC_Product $product ) {
        $previous           = isset( $GLOBALS['product'] ) ? $GLOBALS['product'] : null;
        $GLOBALS['product'] = $product;
        remove_action( 'woocommerce_single_variation', 'woocommerce_single_variation_add_to_cart_button', 20 );
        add_filter( 'woocommerce_reset_variations_link', '__return_empty_string' );
        add_filter( 'woocommerce_available_variation', array( __CLASS__, 'card_variation_data' ), PHP_INT_MAX );
        ob_start();
        woocommerce_template_single_add_to_cart();
        $this->render_archive_cta_link( $product );
        $form = trim( (string) ob_get_clean() );
        remove_filter( 'woocommerce_available_variation', array( __CLASS__, 'card_variation_data' ), PHP_INT_MAX );
        remove_filter( 'woocommerce_reset_variations_link', '__return_empty_string' );
        if ( null === $previous ) {
            unset( $GLOBALS['product'] );
        } else {
            $GLOBALS['product'] = $previous;
        }
        return $form;
    }

    
    public function ajax_card_form() {
        
        $product = wc_get_product( isset( $_GET['product_id'] ) ? absint( wp_unslash( $_GET['product_id'] ) ) : 0 );
        if ( ! $product instanceof WC_Product || ! $product->is_type( 'variable' ) || 'publish' !== $product->get_status() || ! $product->is_visible() ) {
            wp_die( '', '', array( 'response' => 404 ) );
        }
        echo $this->card_form_html( $product ); 
    }

    
    private function render_archive_cta_link( WC_Product $product ) {
        $product_id        = (int) $product->get_id();
        $add_to_cart_text  = (string) $product->add_to_cart_text();
        $add_to_cart_url   = (string) $product->add_to_cart_url();

        
        
        
        
        
        
        
        
        
        
        
        $classes = array( 'button', 'om-add-to-cart-button', 'add_to_cart_button', 'aieo-archive-add-to-cart' );

        
        
        
        
        
        
        $is_in_cart       = $this->is_product_in_cart( $product_id );
        $is_variable      = $product->is_type( 'variable' );
        $has_defaults     = ! empty( $product->get_default_attributes() );
        $is_see_options   = $is_variable && ! $has_defaults && ! $is_in_cart;
        $extra_attrs      = '';
        if ( $is_in_cart ) {
            $classes[] = 'aieo-archive-add-to-cart--in-cart';
            
            
            $extra_attrs = ' aria-disabled="true" tabindex="-1"';
        } elseif ( $is_see_options ) {
            $classes[] = 'aieo-archive-add-to-cart--see-options';
        }

        if (
            $product->is_purchasable()
            && $product->is_in_stock()
            && $product->supports( 'ajax_add_to_cart' )
        ) {
            $classes[] = 'ajax_add_to_cart';
        }
        
        
        if ( $has_defaults ) {
            $add_to_cart_text = (string) $product->single_add_to_cart_text();
        }
        $add_to_cart_class = implode( ' ', $classes );

        printf(
            '<a href="%1$s" class="%2$s"%6$s data-product_id="%3$d" data-product_sku="%4$s">%5$s</a>',
            esc_url( $add_to_cart_url ),
            esc_attr( $add_to_cart_class ),
            $product_id,
            esc_attr( (string) $product->get_sku() ),
            esc_html( $add_to_cart_text ),
            $extra_attrs 
        );
    }

    
    private function is_product_in_cart( $product_id ) {
        if ( ! function_exists( 'WC' ) ) { return false; }
        $cart = WC()->cart;
        if ( ! $cart ) { return false; }
        $pid = (int) $product_id;
        if ( $pid <= 0 ) { return false; }
        foreach ( $cart->get_cart() as $item ) {
            $ipid = (int) ( $item['product_id']   ?? 0 );
            $ivid = (int) ( $item['variation_id'] ?? 0 );
            if ( ( $ipid === $pid || $ivid === $pid ) && (int) ( $item['quantity'] ?? 0 ) > 0 ) {
                return true;
            }
        }
        return false;
    }

    
    public function filter_variation_attribute_options_html( $html, $args ) {
        $args = wp_parse_args( $args, array(
            'options'          => false,
            'attribute'        => false,
            'product'          => false,
            'selected'         => false,
            'name'             => '',
            'id'               => '',
            'class'            => '',
            'show_option_none' => '',
        ) );

        $product   = $args['product'];
        $attribute = (string) $args['attribute'];
        if ( ! $product instanceof WC_Product || $attribute === '' ) {
            return $html;
        }

        
        if ( false === $args['selected'] ) {
            $selected_key = 'attribute_' . sanitize_title( $attribute );
            
            $args['selected'] = isset( $_REQUEST[ $selected_key ] )
                ? wc_clean( wp_unslash( $_REQUEST[ $selected_key ] ) )
                : $product->get_variation_default_attribute( $attribute );
        }

        $tax = $this->get_attribute_taxonomy( $attribute );
        if ( ! $tax ) {
            return $html;
        }
        $attribute_type = $this->resolve_attribute_type( $tax, $attribute );

        
        if ( $attribute_type === 'select' ) {
            $classes = array( 'om-variation-item' );
            if ( ! empty( $args['class'] ) ) {
                $classes = array_merge( $classes, array_filter( explode( ' ', (string) $args['class'] ) ) );
            }
            if ( ! empty( $args['selected'] ) ) {
                $classes[] = 'active';
            }
            $replaced = str_replace( '<select ', '<select class="' . esc_attr( implode( ' ', $classes ) ) . '" ', $html );
            return '<div class="om-variation-type-select">' . $replaced . '</div>';
        }

        $options = is_array( $args['options'] ) ? $args['options'] : array();
        if ( empty( $options ) ) {
            $attrs = $product->get_variation_attributes();
            $options = isset( $attrs[ $attribute ] ) ? (array) $attrs[ $attribute ] : array();
        }

        
        
        
        
        
        
        $product_id       = (int) $product->get_id();
        $is_main_product  = is_singular( 'product' ) && get_queried_object_id() === $product_id;
        $is_modal_context = (bool) apply_filters( 'aieo_product_swatches_modal_context', apply_filters( 'om_product_swatches_modal_context', false ) );
        $is_archive       = ! $is_main_product && ! $is_modal_context;
        $context_key      = $is_archive ? 'archive' : 'single';
        $render_context   = $is_archive ? 'archive' : 'product';

        $cache = $this->read_cache_row( $product_id, $context_key );
        if ( ! $cache ) {
            $cache = $this->fallback_cache( $product, $context_key );
        }
        if ( ! $cache ) {
            
            return $html;
        }

        return $this->render_attribute_wrapper_html(
            $product,
            $cache,
            $attribute,
            $options,
            (string) $args['selected'],
            $render_context,
            $html,
            $attribute_type
        );
    }

    
    private function render_attribute_wrapper( WC_Product $product, array $cache, $attribute, array $options, $selected, $context ) {
        $tax = $this->get_attribute_taxonomy( $attribute );
        if ( ! $tax ) { return; }
        $attribute_type = $this->resolve_attribute_type( $tax, $attribute );
        if ( $attribute_type === 'select' ) {
            return; 
        }
        echo $this->render_attribute_wrapper_html( 
            $product, $cache, $attribute, $options, $selected, $context, '', $attribute_type
        );
    }

    
    private function render_attribute_wrapper_html( WC_Product $product, array $cache, $attribute, array $options, $selected, $context, $original_select_html, $attribute_type ) {
        $settings   = $this->get_settings();
        $variations = is_array( $cache['variations'] ) ? $cache['variations'] : array();

        $is_archive      = $context === 'archive';
        $tooltip         = ! empty( $settings['tooltip'] );
        $mouseover       = ! empty( $settings['mouseover'] );

        $wrapper_classes = array( 'om-variations-wrapper' );
        $host_wrapper = $this->host_class( 'wrapper', $attribute_type );
        if ( '' !== $host_wrapper ) { $wrapper_classes[] = $host_wrapper; }
        if ( $mouseover ) { $wrapper_classes[] = 'om-variations-mouseover'; }

        $extra_attrs = '';
        if ( $is_archive ) {
            $extra_attrs .= ' data-context="archive"';
            $total_available = (int) ( $cache['total_available'] ?? 0 );
            $stored_count    = (int) ( $cache['stored_count'] ?? count( $variations ) );
            if ( $total_available > $stored_count ) {
                $extra_attrs .= ' data-server-swatch-limit="1" data-total-variations="' . esc_attr( (string) $total_available ) . '"';
            }
        }

        
        
        
        $ps = $this->resolve_product_settings( (int) $product->get_id() );
        
        $designer = $this->designer_draws( $is_archive, $this->control_for_page( $is_archive, $settings, $ps ), $attribute_type, (int) $product->get_id() );
        if ( $designer ) {
            $wrapper_classes[] = 'aieo-shades';
            $extra_attrs      .= ' data-look="designer"';
        }
        
        $quote = ! $is_archive && $this->quote_for > 0 && $this->quote_for === (int) $product->get_id();
        if ( ! $is_archive && ! empty( $ps['multi_select_enabled'] ) ) {
            if ( ! $designer ) {
                $wrapper_classes[] = 'om-multi-select-mode';
            }
            if ( $ps['display_style'] === 'dropdown' ) {
                $wrapper_classes[] = 'om-multi-select-dropdown-mode';
            }
            $extra_attrs .= ' data-multi-select="1"';
            $extra_attrs .= ' data-display-style="' . esc_attr( (string) $ps['display_style'] ) . '"';
            
            
            $g            = $this->get_settings();
            $extra_attrs .= ' data-ms-place="' . ( 'below' === ( $g['multi_select_button_position'] ?? 'above' ) ? 'below' : 'above' ) . '"';
            if ( $ps['display_style'] === 'dropdown' ) {
                $extra_attrs .= ' data-show-quantity="' . ( ! empty( $ps['show_quantity'] ) ? '1' : '0' ) . '"';
                
                if ( class_exists( 'AIEO_Card' ) ) { AIEO_Card::load(); }
            }
        }

        $cart_sync = ! $quote && ! empty( $ps['cart_sync_enabled'] );
        $extra_attrs .= ' data-cart-sync="' . ( $cart_sync ? '1' : '0' ) . '"';
        if ( $quote ) {
            $extra_attrs .= ' data-quote="1"';
        }
        
        
        if ( '' !== $this->control_for_page( $is_archive, $settings, $ps ) ) {
            $extra_attrs .= ' data-controls="inputs"';
            if ( 'checkbox' === $this->control_for_page( $is_archive, $settings, $ps ) ) {
                $this->boxes_for[ (int) $product->get_id() ] = true;
                if ( $designer ) {
                    $this->designer_boxes[ (int) $product->get_id() ] = true;
                }
            }
        }
        
        if ( $quote && 'checkbox' !== $this->control_for_page( $is_archive, $settings, $ps ) ) {
            $this->quote_one[ (int) $product->get_id() ] = $designer;
        }

        $output  = '<div class="' . esc_attr( implode( ' ', $wrapper_classes ) ) . '" data-type="' . esc_attr( $attribute_type ) . '" data-attribute="' . esc_attr( $attribute ) . '" data-rooster-ui="rooster-one/swatches"' . $extra_attrs . '>';

        
        
        
        
        
        
        
        if ( $original_select_html !== '' ) {
            $output .= str_replace(
                '<select',
                '<select style="display:none !important;position:absolute !important;visibility:hidden !important;"',
                $original_select_html
            );
        }

        
        $head_at = strlen( $output );
        $label   = $designer ? wp_strip_all_tags( (string) wc_attribute_label( (string) $attribute, $product ) ) : '';
        if ( $designer ) {
            $output .= '<div class="om-variation-type-' . esc_attr( $attribute_type ) . ' aieo-shades__chips" role="group" aria-label="' . esc_attr( $label ) . '">';
        } else {
            $output .= '<div class="om-variation-type-' . esc_attr( $attribute_type ) . '">';
        }

        
        
        $terms = wc_get_product_terms( (int) $product->get_id(), $attribute, array( 'fields' => 'all' ) );
        if ( is_wp_error( $terms ) || ! is_array( $terms ) ) { $terms = array(); }

        
        
        
        
        
        
        
        if ( ! empty( $terms ) && ( $attribute_type === 'color' || $attribute_type === 'image' ) ) {
            $term_ids = array();
            foreach ( $terms as $t ) {
                if ( isset( $t->term_id ) ) { $term_ids[] = (int) $t->term_id; }
            }
            if ( ! empty( $term_ids ) && function_exists( 'update_termmeta_cache' ) ) {
                update_termmeta_cache( $term_ids );
            }
            
            
            
            if ( 'image' === $attribute_type && ! empty( $term_ids ) ) {
                $pics = array();
                foreach ( $term_ids as $tid ) {
                    $pic = (int) get_term_meta( $tid, '_aieo_swatch_image_id', true ) ?: (int) get_term_meta( $tid, 'product_attribute_image', true ) ?: (int) get_term_meta( $tid, 'image', true );
                    if ( $pic > 0 ) { $pics[] = $pic; }
                }
                if ( $pics && function_exists( '_prime_post_caches' ) ) { _prime_post_caches( array_unique( $pics ), false, true ); }
            }
        }

        $img_w = $is_archive
            ? (int) ( $settings['image_width_shop_archive']  ?? 26 )
            : (int) ( $settings['image_width']  ?? 72 );
        $img_h = $is_archive
            ? (int) ( $settings['image_height_shop_archive'] ?? 26 )
            : (int) ( $settings['image_height'] ?? 72 );
        $loading = isset( $settings['image_loading_strategy'] ) ? (string) $settings['image_loading_strategy'] : 'lazy';
        if ( ! in_array( $loading, array( 'lazy', 'eager', 'auto' ), true ) ) {
            $loading = 'lazy';
        }

        
        
        
        
        $pressed_slug = ( ! $is_archive && empty( $ps['multi_select_enabled'] ) && '' !== (string) $selected ) ? sanitize_title( (string) $selected ) : '';

        
        
        
        
        
        $control = $this->control_for_page( $is_archive, $settings, $ps );
        $control_name = 'om_swatch_' . sanitize_key( (string) $attribute );

        
        
        $shades       = 0;
        $in_stock     = 0;
        $chosen       = '';
        $chosen_stock = '';
        $in_bag       = array();
        $bag_shades   = 0;
        if ( $designer ) {
            $tooltip = false;
            $in_bag  = $cart_sync ? $this->cart_variation_ids( (int) $product->get_id() ) : array();
        }

        foreach ( $terms as $term ) {
            if ( ! in_array( $term->slug, $options, true ) ) { continue; }

            $variation_ids  = $this->get_variation_ids_by_term( $variations, $attribute, $term->slug );
            if ( empty( $variation_ids ) ) { continue; }

            $is_oos = $this->is_term_out_of_stock( $variations, $variation_ids );
            if ( $is_archive && $is_oos ) { continue; }
            
            
            $state = $is_oos ? 'sold_out' : ( $this->is_term_on_backorder( $variations, $variation_ids ) ? 'backorder' : '' );

            $base_label    = $term->name;
            $display_label = $term->name;
            $visible_label = $tooltip ? $base_label : $display_label;

            
            
            
            
            $tooltip_label = $this->term_caption( $variations, $attribute, $term, $variation_ids );

            $item_class  = $is_oos ? 'om-variation-item permanent-disabled' : ( 'backorder' === $state ? 'om-variation-item is-backorder' : 'om-variation-item' );
            $item_class .= $this->host_class_suffix( 'item', $attribute_type );
            $pressed     = '' !== $pressed_slug && $pressed_slug === (string) $term->slug;
            if ( $pressed ) {
                $item_class .= ' active';
            }
            $left = 0;
            $bag  = 0;
            if ( $designer ) {
                ++$shades;
                $ids = array_map( 'intval', $variation_ids );
                if ( '' === $state ) {
                    ++$in_stock;
                    if ( array() === array_diff( $ids, array_keys( $this->low_stock ) ) ) {
                        $item_class .= ' is-low';
                        $left        = (int) array_sum( array_intersect_key( $this->low_stock, array_flip( $ids ) ) );
                    }
                }
                $bag = (int) array_sum( array_intersect_key( $in_bag, array_flip( $ids ) ) );
                if ( $bag > 0 ) {
                    $item_class .= ' is-in-bag';
                    ++$bag_shades;
                }
                if ( $pressed ) {
                    $chosen       = $tooltip_label;
                    $chosen_stock = $this->stock_words( $state, $left );
                }
            }

            $chip = '';
            switch ( $attribute_type ) {
                case 'color':
                    $style = $this->resolve_term_color_style( (int) $term->term_id );
                    $chip  = $this->render_color_swatch_term( $term, (string) $selected, $item_class, $style, $base_label, $display_label, $visible_label, $tooltip, $is_oos, $tooltip_label, $state, $pressed, $control, $control_name, $designer );
                    break;
                case 'button':
                    $chip = $this->render_button_swatch_term( $term, (string) $selected, $item_class, $base_label, $display_label, $visible_label, $tooltip, $is_oos, $tooltip_label, $state, $pressed, $control, $control_name );
                    break;
                case 'image':
                    
                    
                    if ( ! empty( $this->wc_visual_images[ $this->get_attribute_taxonomy_name( null, $attribute ) ] )
                        && (int) get_term_meta( (int) $term->term_id, 'image', true ) <= 0
                        && '' !== (string) get_term_meta( (int) $term->term_id, 'color', true ) ) {
                        $style = $this->resolve_term_color_style( (int) $term->term_id );
                        $chip  = $this->render_color_swatch_term( $term, (string) $selected, $item_class, $style, $base_label, $display_label, $visible_label, $tooltip, $is_oos, $tooltip_label, $state, $pressed, $control, $control_name, $designer );
                        break;
                    }
                    $image_data = $this->resolve_term_image_src(
                        (int) $term->term_id,
                        $variations,
                        $attribute,
                        $term->slug,
                        $img_w,
                        $img_h,
                        $is_archive
                    );
                    $chip = $this->render_image_swatch_term( $term, (string) $selected, $item_class, $image_data, $base_label, $display_label, $loading, $tooltip, $is_oos, $tooltip_label, $state, ! $is_archive, $pressed, $control, $control_name );
                    break;
            }
            
            
            if ( $designer ) {
                $chip = $this->chip_in_words( $chip, $left, $bag );
            }
            if ( $quote && 1 === count( $variation_ids ) ) {
                $chip = (string) preg_replace( '/^<(label|a) /', '<$1 data-vid="' . (int) reset( $variation_ids ) . '" ', $chip, 1 );
            }
            $output .= $chip;
        }

        $output .= '</div>';

        if ( $designer ) {
            $multi   = 'checkbox' === $control;
            $output  = substr_replace( $output, $this->designer_head_html( $label, $chosen, $multi, $in_stock, $bag_shades, $chosen_stock ), $head_at, 0 );
            
            $output .= '<p class="aieo-shades__more"><button type="button" class="aieo-shades__all" aria-haspopup="dialog" data-count="' . (int) $shades . '">' . esc_html( sprintf( _n( 'See all %s shade', 'See all %s shades', $shades, 'ai-eshop-optimizer' ), number_format_i18n( $shades ) ) ) . '</button></p>';
        }

        
        if ( $is_archive ) {
            $total_available = (int) ( $cache['total_available'] ?? 0 );
            $stored_count    = (int) ( $cache['stored_count'] ?? count( $variations ) );
            if ( $total_available > $stored_count && $total_available > 0 ) {
                $mode = isset( $settings['see_all_display_mode'] ) ? (string) $settings['see_all_display_mode'] : 'swatches_only';
                if ( $mode === 'text_only' || $mode === 'both' ) {
                    $template = self::copy_or( $settings['see_all_text'] ?? '', __( 'See all {count} variations', 'ai-eshop-optimizer' ) );
                    $label    = str_replace( '{count}', (string) $total_available, $template );
                    $output  .= sprintf(
                        '<a href="#" class="om-see-all-variations-link" data-product-id="%1$d" data-total-variations="%2$d">%3$s</a>',
                        (int) $product->get_id(),
                        $total_available,
                        esc_html( $label )
                    );
                }
            }
        }

        $output .= '</div>';
        return $output;
    }

    
    private function resolve_term_color_style( $term_id ) {
        $all = get_term_meta( (int) $term_id );
        if ( ! is_array( $all ) ) { $all = array(); }

        $sidecar_type = isset( $all['_aieo_swatch_color_type'][0] )
            ? (string) $all['_aieo_swatch_color_type'][0]
            : '';
        $legacy_type  = isset( $all['product_attribute_color_type'][0] )
            ? (string) $all['product_attribute_color_type'][0]
            : '';
        $type = $sidecar_type !== '' ? $sidecar_type : $legacy_type;

        if ( $type === 'gradient' ) {
            $payload = isset( $all['_aieo_swatch_gradient'][0] )
                ? maybe_unserialize( $all['_aieo_swatch_gradient'][0] )
                : array();
            $c1  = is_array( $payload ) && isset( $payload['color_1'] ) ? (string) $payload['color_1']
                : ( isset( $all['product_attribute_color_gradient_color_1'][0] ) ? (string) $all['product_attribute_color_gradient_color_1'][0] : '' );
            $c2  = is_array( $payload ) && isset( $payload['color_2'] ) ? (string) $payload['color_2']
                : ( isset( $all['product_attribute_color_gradient_color_2'][0] ) ? (string) $all['product_attribute_color_gradient_color_2'][0] : '' );
            $dir = is_array( $payload ) && isset( $payload['direction'] ) ? (string) $payload['direction']
                : ( isset( $all['product_attribute_color_gradient_direction'][0] ) ? (string) $all['product_attribute_color_gradient_direction'][0] : 'to bottom' );
            return sprintf( 'background: linear-gradient(%s,%s 0%%,%s 100%%);', $dir, $c1, $c2 );
        }

        if ( $type === 'multiple' ) {
            $payload = isset( $all['_aieo_swatch_multiple'][0] )
                ? maybe_unserialize( $all['_aieo_swatch_multiple'][0] )
                : array();
            $colors = is_array( $payload ) && isset( $payload['colors'] ) && is_array( $payload['colors'] )
                ? array_values( array_filter( array_map( 'strval', $payload['colors'] ) ) )
                : array_values( array_filter( array(
                    isset( $all['product_attribute_color_multiple_color_1'][0] ) ? (string) $all['product_attribute_color_multiple_color_1'][0] : '',
                    isset( $all['product_attribute_color_multiple_color_2'][0] ) ? (string) $all['product_attribute_color_multiple_color_2'][0] : '',
                    isset( $all['product_attribute_color_multiple_color_3'][0] ) ? (string) $all['product_attribute_color_multiple_color_3'][0] : '',
                    isset( $all['product_attribute_color_multiple_color_4'][0] ) ? (string) $all['product_attribute_color_multiple_color_4'][0] : '',
                ) ) );
            $dir = is_array( $payload ) && isset( $payload['direction'] ) ? (string) $payload['direction']
                : ( isset( $all['product_attribute_color_multiple_direction'][0] ) ? (string) $all['product_attribute_color_multiple_direction'][0] : 'to bottom' );

            switch ( count( $colors ) ) {
                case 1:
                    return sprintf( 'background-color: %s;', $colors[0] );
                case 2:
                    return sprintf( 'background: linear-gradient(%s, %s 50%%, %s 50%%);', $dir, $colors[0], $colors[1] );
                case 3:
                    return sprintf(
                        'background: linear-gradient(%s, %s 33.333%%, %s 33.333%% 66.666%%, %s 66.666%% 100%%);',
                        $dir, $colors[0], $colors[1], $colors[2]
                    );
                case 4:
                    return sprintf(
                        'background: linear-gradient(135deg, %1$s, %1$s), linear-gradient(135deg, %2$s, %2$s), linear-gradient(225deg, %3$s, %3$s), linear-gradient(225deg, %4$s, %4$s); background-position: 0%% 0%%, 0%% 100%%, 100%% 0%%, 100%% 100%%; background-size: 50%% 50%%; background-repeat: no-repeat;',
                        $colors[0], $colors[1], $colors[2], $colors[3]
                    );
                default:
                    return 'background-color: transparent;';
            }
        }

        
        
        $color = isset( $all['color'][0] ) ? (string) $all['color'][0] : '';
        if ( $color === '' && isset( $all['product_attribute_color'][0] ) ) {
            $color = (string) $all['product_attribute_color'][0];
        }
        return sprintf( 'background-color: %s;', $color );
    }

    
    private function resolve_term_image_src( $term_id, array $variations, $attribute, $slug, $img_w, $img_h, $is_archive ) {
        
        
        
        
        
        
        
        
        
        
        
        
        $sidecar_id = (int) get_term_meta( (int) $term_id, '_aieo_swatch_image_id', true );
        $legacy_id  = (int) get_term_meta( (int) $term_id, 'product_attribute_image', true );
        $image_id   = $sidecar_id > 0 ? $sidecar_id : $legacy_id;
        if ( $image_id <= 0 ) {
            $image_id = (int) get_term_meta( (int) $term_id, 'image', true );
        }
        
        $image_id = (int) apply_filters( 'aieo_swatch_image_id_for_term', $image_id, (int) $term_id, (string) $attribute );
        if ( $image_id > 0 ) {
            $size = $is_archive ? 'om_swatch_archive' : 'om_swatch_product';
            if ( class_exists( 'AIEO_Swatch_Sizes' ) && AIEO_Swatch_Sizes::dims( $size . '_2x' ) === array( (int) $img_w, (int) $img_h ) ) {
                $size .= '_2x';
            }
            $inter = image_get_intermediate_size( $image_id, array( $img_w, $img_h ) );
            if ( is_array( $inter ) && ! empty( $inter['url'] ) ) {
                return array(
                    'id'     => $image_id,
                    'url'    => (string) $inter['url'],
                    'width'  => (int) ( $inter['width']  ?? $img_w ),
                    'height' => (int) ( $inter['height'] ?? $img_h ),
                );
            }
            $full = wp_get_attachment_image_src( $image_id, $size );
            if ( is_array( $full ) && ! empty( $full[0] ) ) {
                return array(
                    'id'     => $image_id,
                    'url'    => (string) $full[0],
                    'width'  => (int) ( $full[1] ?? $img_w ),
                    'height' => (int) ( $full[2] ?? $img_h ),
                );
            }
        }

        
        
        foreach ( $variations as $v ) {
            $attrs = isset( $v['attributes'] ) && is_array( $v['attributes'] ) ? $v['attributes'] : array();
            $key   = 'attribute_' . $this->encode_attribute_slug( (string) $attribute );
            if ( ! isset( $attrs[ $key ] ) ) { continue; }
            if ( (string) $attrs[ $key ] !== (string) $slug ) { continue; }
            if ( ! empty( $v['img_url'] ) ) {
                return array(
                    'url'    => (string) $v['img_url'],
                    'width'  => (int) ( $v['img_w'] ?? $img_w ),
                    'height' => (int) ( $v['img_h'] ?? $img_h ),
                );
            }
            break;
        }

        
        return array(
            'url'    => function_exists( 'wc_placeholder_img_src' ) ? (string) wc_placeholder_img_src( 'thumbnail' ) : '',
            'width'  => (int) $img_w,
            'height' => (int) $img_h,
        );
    }

    
    private function render_color_swatch_term( $term, $selected, $item_class, $style, $base_label, $display_label, $visible_label, $tooltip, $is_oos, $tooltip_label = '', $state = '', $pressed = false, $control = '', $control_name = '', $chip = false ) {
        
        
        
        
        
        
        $hover        = ( (string) $tooltip_label !== '' ) ? (string) $tooltip_label : $display_label;
        $title_label  = $is_oos ? ( $display_label . ' - ' . __( 'Out of stock', 'ai-eshop-optimizer' ) ) : ( 'backorder' === $state ? ( $display_label . ' - ' . __( 'Available on back-order', 'ai-eshop-optimizer' ) ) : $hover );
        $title_attr   = ' title="' . esc_attr( $title_label ) . '"';
        
        
        
        $title_attr  .= ' data-swatch-label="' . esc_attr( $hover ) . '"';
        $tooltip_attr = ( $tooltip && ! $is_oos ) ? ' data-tooltip="' . esc_attr( $hover ) . '"' : '';
        $tooltip_attr .= self::state_attrs( $is_oos ? 'sold_out' : $state, $title_label );

        $html  = $this->item_open( $control, $control_name, $term->slug, $item_class, $base_label, $title_attr . $tooltip_attr, $pressed, $selected, $is_oos, $title_label );
        $html .= '<span class="om-variation-text' . $this->host_class_suffix( 'item_content' ) . '" style="' . esc_attr( $style ) . '" data-original-text="' . esc_attr( $base_label ) . '">';
        
        if ( $tooltip && ! $is_oos ) {
            $html .= '<span class="om-variation-tooltip" data-original-tooltip="' . esc_attr( $hover ) . '"></span>';
        } elseif ( ! $tooltip && ! $chip ) {
            $html .= esc_html( $visible_label );
        }
        $html .= '</span>' . ( '' !== $control ? '</label>' : '</a>' );

        return $html;
    }

    
    private function render_button_swatch_term( $term, $selected, $item_class, $base_label, $display_label, $visible_label, $tooltip, $is_oos, $tooltip_label = '', $state = '', $pressed = false, $control = '', $control_name = '' ) {
        
        $hover        = ( (string) $tooltip_label !== '' ) ? (string) $tooltip_label : $display_label;
        $title_label  = $is_oos ? ( $display_label . ' - ' . __( 'Out of stock', 'ai-eshop-optimizer' ) ) : ( 'backorder' === $state ? ( $display_label . ' - ' . __( 'Available on back-order', 'ai-eshop-optimizer' ) ) : $hover );
        $title_attr   = ' title="' . esc_attr( $title_label ) . '"';
        
        
        
        $title_attr  .= ' data-swatch-label="' . esc_attr( $hover ) . '"';
        $tooltip_attr = ( $tooltip && ! $is_oos ) ? ' data-tooltip="' . esc_attr( $hover ) . '"' : '';
        $tooltip_attr .= self::state_attrs( $is_oos ? 'sold_out' : $state, $title_label );

        $html = $this->item_open( $control, $control_name, $term->slug, $item_class, $base_label, $title_attr . $tooltip_attr, $pressed, $selected, $is_oos, $title_label );
        if ( $tooltip && ! $is_oos ) {
            $html .= '<span class="om-variation-tooltip" data-original-tooltip="' . esc_attr( $hover ) . '">' . esc_html( $base_label ) . '</span>';
        } else {
            $html .= esc_html( $visible_label );
        }
        $html .= '' !== $control ? '</label>' : '</a>';

        return $html;
    }

    
    private function product_swatch_img( $img_tag, $attachment_id ) {
        $one = wp_get_attachment_image_src( $attachment_id, 'om_swatch_product' );
        $two = wp_get_attachment_image_src( $attachment_id, 'om_swatch_product_2x' );
        if ( is_array( $one ) && is_array( $two ) && ! empty( $one[3] ) && ! empty( $two[3] ) ) {
            $tags = new WP_HTML_Tag_Processor( $img_tag );
            if ( $tags->next_tag( 'img' ) && $tags->get_attribute( 'srcset' ) ) {
                $tags->set_attribute( 'srcset', $one[0] . ' ' . (int) $one[1] . 'w, ' . $two[0] . ' ' . (int) $two[1] . 'w' );
                $img_tag = $tags->get_updated_html();
            }
        }
        if ( class_exists( 'Rooster\Core\Defer', false ) && method_exists( 'Rooster\Core\Defer', 'later_image' ) ) {
            $img_tag = \Rooster\Core\Defer::later_image( $img_tag );
        }
        return $img_tag;
    }

    
    private function render_image_swatch_term( $term, $selected, $item_class, array $image_data, $base_label, $display_label, $loading, $tooltip, $is_oos, $tooltip_label = '', $state = '', $product_page = false, $pressed = false, $control = '', $control_name = '' ) {
        
        $hover        = ( (string) $tooltip_label !== '' ) ? (string) $tooltip_label : $display_label;
        $title_label  = $is_oos ? ( $display_label . ' - ' . __( 'Out of stock', 'ai-eshop-optimizer' ) ) : ( 'backorder' === $state ? ( $display_label . ' - ' . __( 'Available on back-order', 'ai-eshop-optimizer' ) ) : $hover );
        $title_attr   = ' title="' . esc_attr( $title_label ) . '"';
        
        
        
        $title_attr  .= ' data-swatch-label="' . esc_attr( $hover ) . '"';
        $tooltip_attr = ( $tooltip && ! $is_oos ) ? ' data-tooltip="' . esc_attr( $hover ) . '"' : '';
        $tooltip_attr .= self::state_attrs( $is_oos ? 'sold_out' : $state, $title_label );

        $html  = $this->item_open( $control, $control_name, $term->slug, $item_class, $base_label, $title_attr . $tooltip_attr, $pressed, $selected, $is_oos, $title_label );
        $html .= '<span class="om-variation-text' . $this->host_class_suffix( 'item_content' ) . '" data-original-text="' . esc_attr( $base_label ) . '">';
        
        
        
        $img_tag = '';
        if ( ! empty( $image_data['id'] ) ) {
            $img_tag = wp_get_attachment_image(
                (int) $image_data['id'],
                array( (int) $image_data['width'], (int) $image_data['height'] ),
                false,
                array( 'class' => 'om-swatch-image', 'alt' => $display_label, 'loading' => $loading, 'decoding' => 'async' )
            );
        }
        if ( '' === $img_tag ) {
            $img_tag = sprintf(
                '<img width="%1$d" height="%2$d" src="%3$s" class="om-swatch-image" alt="%4$s" loading="%5$s" decoding="async" />',
                (int) $image_data['width'],
                (int) $image_data['height'],
                esc_url( (string) $image_data['url'] ),
                esc_attr( $display_label ),
                esc_attr( $loading )
            );
        }
        if ( $product_page && ! empty( $image_data['id'] ) ) {
            $img_tag = $this->product_swatch_img( $img_tag, (int) $image_data['id'] );
        }
        $html .= $img_tag;
        if ( $tooltip && ! $is_oos ) {
            $html .= '<span class="om-variation-tooltip" data-original-tooltip="' . esc_attr( $hover ) . '"></span>';
        }
        $html .= '</span>' . ( '' !== $control ? '</label>' : '</a>' );

        return $html;
    }

    
    private function get_variation_ids_by_term( array $variations, $attribute, $slug ) {
        $out = array();
        $key = 'attribute_' . $this->encode_attribute_slug( (string) $attribute );
        foreach ( $variations as $v ) {
            $attrs = isset( $v['attributes'] ) && is_array( $v['attributes'] ) ? $v['attributes'] : array();
            if ( ! isset( $attrs[ $key ] ) ) { continue; }
            
            if ( (string) $attrs[ $key ] === '' || (string) $attrs[ $key ] === (string) $slug ) {
                $vid = (int) ( $v['variation_id'] ?? 0 );
                if ( $vid > 0 ) { $out[] = $vid; }
            }
        }
        return $out;
    }

    
    private function get_variation_description_by_ids( array $variations, array $variation_ids ) {
        if ( empty( $variation_ids ) ) { return ''; }
        $lookup = array_flip( array_map( 'intval', $variation_ids ) );
        foreach ( $variations as $v ) {
            $vid = (int) ( $v['variation_id'] ?? 0 );
            if ( ! isset( $lookup[ $vid ] ) ) { continue; }
            $d = isset( $v['variation_description'] ) ? trim( (string) $v['variation_description'] ) : '';
            if ( $d !== '' ) { return $d; }
        }
        return '';
    }

    
    
    
    private $boxes_for = array();

    
    public function print_multi_select_boxes() {
        global $product;
        if ( ! $product instanceof WC_Product ) { return; }
        $pid   = (int) $product->get_id();
        $quote = $this->quote_for > 0 && $this->quote_for === $pid;
        
        if ( $quote && isset( $this->quote_one[ $pid ] ) ) {
            $designer = (bool) $this->quote_one[ $pid ];
            unset( $this->quote_one[ $pid ] );
            echo $this->quote_one_html( $designer ); 
            return;
        }
        if ( empty( $this->boxes_for[ $pid ] ) ) { return; }
        unset( $this->boxes_for[ $pid ] );
        $g      = $this->get_settings();
        $button = trim( (string) ( $g['multi_select_button_text'] ?? '' ) );
        if ( '' === $button ) {
            $button = __( 'Add Selected to Cart', 'ai-eshop-optimizer' );
        }
        
        if ( $quote ) {
            $button = self::quote_words()['ask'];
        }
        if ( ! empty( $this->designer_boxes[ $pid ] ) ) {
            unset( $this->designer_boxes[ $pid ] );
            echo $this->designer_boxes_html( $button, $quote ); 
            return;
        }
        if ( $quote ) {
            echo '<div class="om-multi-select-container om-multi-select-message-container"><div class="om-multi-select-summary"><div class="om-multi-select-prompt">' . esc_html__( 'Choose one or more; none asks about the product in general.', 'ai-eshop-optimizer' ) . '</div></div></div>'
                . '<div class="om-multi-select-container om-multi-select-button-container"><div class="om-multi-select-button-row">'
                . '<button type="button" class="om-multi-select-add-to-cart button alt has-background" data-aieo-quote-ask data-label="' . esc_attr( $button ) . '">' . esc_html( $button ) . '</button>'
                . '<a href="#" class="om-multi-select-reset">' . esc_html__( 'Clear selections', 'ai-eshop-optimizer' ) . '</a>'
                . '</div></div><p class="aieo-shades__note" role="status"></p>';
            return;
        }
        $prompt = (string) apply_filters( 'aieo_swatches_prompt_message', (string) ( ! empty( $g['multi_select_prompt_message'] ) ? $g['multi_select_prompt_message'] : __( 'Select the variations you want to add to your cart', 'ai-eshop-optimizer' ) ) );
        echo '<div class="om-multi-select-container om-multi-select-message-container"><div class="om-multi-select-summary"><div class="om-multi-select-prompt">' . wp_kses_post( $prompt ) . '</div></div></div>'
            . '<div class="om-multi-select-container om-multi-select-button-container"><div class="om-multi-select-button-row">'
            . '<button type="button" class="om-multi-select-add-to-cart button alt disabled has-background" disabled>' . esc_html( $button ) . '</button>'
            . '<a href="#" class="om-multi-select-reset">' . esc_html__( 'Clear selections', 'ai-eshop-optimizer' ) . '</a>'
            . '</div></div>';
    }

    
    private function quote_one_html( $designer ) {
        $ask    = self::quote_words()['ask'];
        $button = '<button type="button" class="button alt wp-element-button' . ( $designer ? ' aieo-shades__add' : '' ) . '" data-aieo-quote-ask data-label="' . esc_attr( $ask ) . '">' . esc_html( $ask ) . '</button>';
        if ( $designer ) {
            return '<div class="aieo-shades__box aieo-shades__box--one" data-rooster-ui="rooster-one/swatches/picked">'
                . '<p class="aieo-shades__note" role="status"></p>'
                . '<div class="aieo-shades__buy">' . $button . '</div></div>';
        }
        return '<div class="om-multi-select-container om-multi-select-button-container"><div class="om-multi-select-button-row">' . $button . '</div></div>'
            . '<p class="aieo-shades__note" role="status"></p>';
    }

    
    private function stock_words( $state, $left ) {
        if ( 'sold_out' === $state ) {
            return __( 'Out of stock', 'ai-eshop-optimizer' );
        }
        if ( 'backorder' === $state ) {
            return __( 'Available on back-order', 'ai-eshop-optimizer' );
        }
        
        return $left > 0 ? sprintf( __( 'Only %d left', 'ai-eshop-optimizer' ), $left ) : __( 'In stock', 'ai-eshop-optimizer' );
    }

    
    private $designer_boxes = array();

    
    private function designer_head_html( $label, $chosen, $multi, $in_stock, $in_bag = 0, $stock = '' ) {
        if ( $multi ) {
            $name = $label;
        } elseif ( '' === $chosen ) {
            $name = __( 'Choose a shade', 'ai-eshop-optimizer' );
        } else {
            
            $name = sprintf( __( '%1$s: %2$s', 'ai-eshop-optimizer' ), $label, $chosen );
        }
        if ( $multi || '' === $chosen ) {
            if ( $in_bag > 0 ) {
                
                $stock = sprintf( 1 === $in_bag ? __( '%s already in your bag', 'ai-eshop-optimizer' ) : _x( '%s already in your bag', 'several shades', 'ai-eshop-optimizer' ), number_format_i18n( $in_bag ) );
            } else {
                
                $stock = sprintf( _n( '%s shade in stock', '%s shades in stock', $in_stock, 'ai-eshop-optimizer' ), number_format_i18n( $in_stock ) );
            }
        }
        $what = '<b class="aieo-shades__name" data-label="' . esc_attr( $label ) . '">' . esc_html( $name ) . '</b>';
        if ( $multi ) {
            
            $what = '<span class="aieo-shades__what">' . $what
                . ' <span class="aieo-shades__count">· ' . esc_html__( 'choose one or more', 'ai-eshop-optimizer' ) . '</span></span>';
        }
        return '<p class="aieo-shades__head">'
            . $what
            . ' <span class="aieo-shades__stock" data-n="' . (int) $in_stock . '">' . esc_html( $stock ) . '</span>'
            . '</p>';
    }

    
    private function designer_boxes_html( $button, $quote = false ) {
        return '<div class="aieo-shades__box" data-rooster-ui="rooster-one/swatches/picked">'
            . '<ul class="aieo-shades__picked" aria-label="' . esc_attr__( 'Chosen shades', 'ai-eshop-optimizer' ) . '" hidden></ul>'
            . '<p class="aieo-shades__sum" hidden><span class="aieo-shades__units"></span>' . ( $quote ? '' : ' <b class="aieo-shades__total"></b>' ) . '</p>'
            . '<p class="aieo-shades__note" role="status"></p>'
            . '<div class="om-multi-select-button-row aieo-shades__buy">'
            . '<button type="button" class="om-multi-select-add-to-cart button alt wp-element-button aieo-shades__add"' . ( $quote ? ' data-aieo-quote-ask' : '' ) . ' data-label="' . esc_attr( $button ) . '"' . ( $quote ? '' : ' aria-disabled="true"' ) . '>' . esc_html( $button ) . '</button>'
            . '<button type="button" class="om-multi-select-reset aieo-shades__clear">' . esc_html__( 'Clear selections', 'ai-eshop-optimizer' ) . '</button>'
            . '</div></div>';
    }

    
    private function control_for_page( $is_archive, array $settings, array $ps ) {
        if ( $is_archive || 'links' === (string) ( $settings['product_swatch_controls'] ?? 'inputs' ) ) {
            return '';
        }
        if ( ! empty( $ps['multi_select_enabled'] ) ) {
            return 'dropdown' === (string) ( $ps['display_style'] ?? 'grid' ) ? '' : 'checkbox';
        }
        return 'radio';
    }

    
    private function item_open( $control, $name, $slug, $item_class, $base_label, $attrs, $pressed, $selected, $is_oos, $label ) {
        if ( '' === $control ) {
            return '<a href="#" role="button"' . self::pressed_attr( $pressed ) . ' class="' . esc_attr( $item_class ) . '" data-original-text="' . esc_attr( $base_label ) . '" value="' . esc_attr( $slug ) . '"' . $attrs . ' ' . selected( sanitize_title( $selected ), $slug, false ) . '>';
        }
        
        $attrs = (string) preg_replace( '/ aria-(disabled|label)="[^"]*"/', '', (string) $attrs );
        return '<label class="' . esc_attr( $item_class ) . '" data-original-text="' . esc_attr( $base_label ) . '" value="' . esc_attr( $slug ) . '"' . $attrs . '>'
            . '<input type="' . ( 'checkbox' === $control ? 'checkbox' : 'radio' ) . '" class="om-variation-input" name="' . esc_attr( $name ) . '" value="' . esc_attr( $slug ) . '" aria-label="' . esc_attr( $label ) . '"' . ( $pressed ? ' checked' : '' ) . ( $is_oos ? ' disabled' : '' ) . '>';
    }

    private static function pressed_attr( $pressed ) {
        return ' aria-pressed="' . ( $pressed ? 'true' : 'false' ) . '"';
    }

    private static function state_attrs( $state, $title_label ) {
        if ( 'sold_out' === $state ) {
            return ' aria-disabled="true"';
        }
        return 'backorder' === $state ? ' aria-label="' . esc_attr( $title_label ) . '"' : '';
    }

    
    private function is_term_on_backorder( array $variations, array $variation_ids ) {
        $lookup    = array_flip( array_map( 'intval', $variation_ids ) );
        $backorder = false;
        foreach ( $variations as $v ) {
            if ( ! isset( $lookup[ (int) ( $v['variation_id'] ?? 0 ) ] ) ) { continue; }
            $status = (string) ( $v['stock_status'] ?? '' );
            if ( 'onbackorder' === $status ) {
                $backorder = true;
            } elseif ( 'outofstock' !== $status ) {
                return false;
            }
        }
        return $backorder;
    }

    
    private function is_term_out_of_stock( array $variations, array $variation_ids ) {
        if ( empty( $variation_ids ) ) { return true; }
        $lookup = array_flip( array_map( 'intval', $variation_ids ) );
        foreach ( $variations as $v ) {
            $vid = (int) ( $v['variation_id'] ?? 0 );
            if ( ! isset( $lookup[ $vid ] ) ) { continue; }
            if ( ! empty( $v['available'] ) ) { return false; }
        }
        return true;
    }

    
    private function resolve_product_settings( $product_id ) {
        $product_id = (int) $product_id;
        if ( isset( $this->product_settings_cache[ $product_id ] ) ) {
            return $this->product_settings_cache[ $product_id ];
        }

        $g = $this->get_settings();
        $global = array(
            'display_style'        => isset( $g['multi_select_display_style'] ) ? (string) $g['multi_select_display_style'] : 'grid',
            'multi_select_enabled' => ! empty( $g['multi_select_enabled'] ),
            'show_quantity'        => ! empty( $g['multi_select_show_quantity'] ),
            'cart_sync_enabled'    => ! isset( $g['cart_sync_enabled'] ) || ! empty( $g['cart_sync_enabled'] ),
            'source'               => 'global',
        );

        
        if ( get_post_type( $product_id ) !== 'product' ) {
            if ( $global['display_style'] !== 'dropdown' ) { $global['show_quantity'] = false; }
            $this->product_settings_cache[ $product_id ] = $global;
            return $global;
        }
        $type = class_exists( 'WC_Product_Factory' ) ? WC_Product_Factory::get_product_type( $product_id ) : '';
        if ( $type !== 'variable' ) {
            if ( $global['display_style'] !== 'dropdown' ) { $global['show_quantity'] = false; }
            $this->product_settings_cache[ $product_id ] = $global;
            return $global;
        }

        $resolved             = $global;
        $display_style_source = 'global';
        $show_quantity_source = 'global';

        
        $p_display  = get_post_meta( $product_id, '_om_swatch_display_style', true );
        $p_multi    = get_post_meta( $product_id, '_om_swatch_multi_select',  true );
        $p_qty      = get_post_meta( $product_id, '_om_swatch_show_quantity', true );

        if ( $p_display === 'grid' || $p_display === 'dropdown' ) {
            $resolved['display_style'] = $p_display;
            $resolved['source']        = 'product';
            $display_style_source      = 'product';
        }
        if ( $p_multi === 'yes' ) {
            $resolved['multi_select_enabled'] = true;
            $resolved['source']               = 'product';
        } elseif ( $p_multi === 'no' ) {
            $resolved['multi_select_enabled'] = false;
            $resolved['source']               = 'product';
        }
        if ( $p_qty === 'yes' ) {
            $resolved['show_quantity'] = true;
            $show_quantity_source      = 'product';
        } elseif ( $p_qty === 'no' ) {
            $resolved['show_quantity'] = false;
            $show_quantity_source      = 'product';
        }

        
        if ( $display_style_source === 'global' ) {
            $dropdown_cats = isset( $g['dropdown_style_categories'] ) ? (array) $g['dropdown_style_categories'] : array();
            $grid_cats     = isset( $g['grid_style_categories']     ) ? (array) $g['grid_style_categories']     : array();
            if ( ! empty( $dropdown_cats ) || ! empty( $grid_cats ) ) {
                $product_cats = wc_get_product_cat_ids( $product_id );
                if ( ! empty( $product_cats ) ) {
                    if ( ! empty( $dropdown_cats ) && array_intersect( $product_cats, $dropdown_cats ) ) {
                        $resolved['display_style'] = 'dropdown';
                        $resolved['source']        = 'category';
                        $display_style_source      = 'category';
                    }
                    
                    if ( ! empty( $grid_cats ) && array_intersect( $product_cats, $grid_cats ) ) {
                        $resolved['display_style'] = 'grid';
                        $resolved['source']        = 'category';
                        $display_style_source      = 'category';
                    }
                }
            }
        }

        
        
        if ( $resolved['source'] !== 'product' && $resolved['multi_select_enabled'] ) {
            $ms_cats = isset( $g['multi_select_categories'] ) ? (array) $g['multi_select_categories'] : array();
            if ( ! empty( $ms_cats ) ) {
                $product_cats = wc_get_product_cat_ids( $product_id );
                if ( empty( $product_cats ) || ! array_intersect( $product_cats, $ms_cats ) ) {
                    $resolved['multi_select_enabled'] = false;
                }
            }
        }

        
        
        if ( $show_quantity_source === 'global' && $resolved['show_quantity'] && $resolved['display_style'] === 'dropdown' ) {
            $q_cats = isset( $g['quantity_selector_categories'] ) ? (array) $g['quantity_selector_categories'] : array();
            if ( ! empty( $q_cats ) ) {
                $product_cats = wc_get_product_cat_ids( $product_id );
                if ( empty( $product_cats ) || ! array_intersect( $product_cats, $q_cats ) ) {
                    $resolved['show_quantity'] = false;
                }
            }
        }

        
        if ( $resolved['display_style'] !== 'dropdown' ) {
            $resolved['show_quantity'] = false;
        }

        $this->product_settings_cache[ $product_id ] = $resolved;
        return $resolved;
    }

    
    public function product_settings( $product_id ) {
        return $this->resolve_product_settings( $product_id );
    }

    
    public function row_layout() {
        $g     = $this->get_settings();
        $parts = array( 'check', 'image', 'name', 'price', 'qty' );
        $order = array_values( array_intersect( array_map( 'strval', (array) ( $g['multi_select_row_order'] ?? array() ) ), $parts ) );
        return array(
            'order' => array_values( array_unique( array_merge( $order, $parts ) ) ),
            'image' => ! isset( $g['multi_select_row_image'] ) || ! empty( $g['multi_select_row_image'] ),
            'price' => ! isset( $g['multi_select_row_price'] ) || ! empty( $g['multi_select_row_price'] ),
            'qty'   => ! isset( $g['multi_select_row_qty'] ) || ! empty( $g['multi_select_row_qty'] ),
        );
    }

    
    private function get_attribute_taxonomy( $attribute_name ) {
        $name = (string) $attribute_name;
        $key  = sanitize_title( $name );
        if ( array_key_exists( $key, $this->taxonomy_cache ) ) {
            return $this->taxonomy_cache[ $key ] ?: null;
        }
        $all = function_exists( 'wc_get_attribute_taxonomies' ) ? wc_get_attribute_taxonomies() : array();
        $short = str_replace( 'pa_', '', $name );
        foreach ( $all as $tax ) {
            if ( isset( $tax->attribute_name ) && (string) $tax->attribute_name === $short ) {
                $this->taxonomy_cache[ $key ] = $tax;
                return $tax;
            }
        }
        $this->taxonomy_cache[ $key ] = false;
        return null;
    }

    
    private function encode_attribute_slug( $attribute ) {
        $s = sanitize_title( (string) $attribute );
        
        return $s;
    }

    
    private function read_cache_row( $product_id, $context ) {
        $memo_key = ( (int) $product_id ) . '|' . (string) $context;
        if ( array_key_exists( $memo_key, $this->row_cache ) ) {
            return $this->row_cache[ $memo_key ];
        }

        if ( ! $this->swatch_table_ready( 'aieo_dmm_swatches_cache' ) ) {
            $this->row_cache[ $memo_key ] = null;
            return null;
        }

        global $wpdb;
        $table = $wpdb->prefix . 'aieo_dmm_swatches_cache';

        $row = $wpdb->get_row( $wpdb->prepare(
            "SELECT variations_json, variation_ids_json, variations_map_json,
                    total_available, stored_count, cache_hash
             FROM {$table}
             WHERE product_id = %d AND context = %s
             LIMIT 1",
            (int) $product_id,
            (string) $context
        ), ARRAY_A );

        if ( ! $row ) {
            
            
            
            if ( '' !== (string) $wpdb->last_error && false !== stripos( (string) $wpdb->last_error, "doesn't exist" ) ) {
                update_option( self::CACHE_READY_OPTION, 'no', true );
                if ( function_exists( 'aieo_dmm_forget_known_tables' ) ) { aieo_dmm_forget_known_tables(); }
            }
            $this->row_cache[ $memo_key ] = null;
            return null;
        }

        $decoded = $this->decode_cache_row( (int) $product_id, $row );
        $this->row_cache[ $memo_key ] = $decoded;
        return $decoded;
    }

    
    private function decode_cache_row( $product_id, array $row ) {
        $current_hash = $this->get_settings_hash_cached();
        if ( $current_hash !== '' && $row['cache_hash'] !== '' && $row['cache_hash'] !== $current_hash ) {
            $this->pending_rebuilds[ (int) $product_id ] = true;
        }

        $variations = json_decode( (string) $row['variations_json'], true );
        $ids        = json_decode( (string) $row['variation_ids_json'], true );
        $map        = json_decode( (string) $row['variations_map_json'], true );

        return array(
            'variations'      => is_array( $variations ) ? $variations : array(),
            'ids'             => is_array( $ids ) ? $ids : array(),
            'map'             => is_array( $map ) ? $map : array(),
            'total_available' => (int) $row['total_available'],
            'stored_count'    => (int) $row['stored_count'],
        );
    }

    
    public function prime_card_loop( $query ) {
        if ( is_admin() || ! ( $query instanceof WP_Query ) ) { return; }
        $typed = in_array( 'product', (array) $query->get( 'post_type' ), true );
        $ids   = array();
        foreach ( (array) $query->posts as $p ) {
            if ( is_object( $p ) ? 'product' !== $p->post_type : ! $typed ) { continue; }
            $ids[] = is_object( $p ) ? (int) $p->ID : (int) $p;
        }
        if ( count( $ids ) < 2 ) { return; }
        $this->prime_archive_rows( $query );
        update_object_term_cache( $ids, 'product' );
        update_postmeta_cache( $ids );
        $pictures = array();
        foreach ( $ids as $id ) {
            $pictures[] = (int) get_post_meta( $id, '_thumbnail_id', true );
        }

        $variable = array();
        foreach ( $ids as $id ) {
            $types = get_object_term_cache( $id, 'product_type' );
            if ( is_array( $types ) && $types && 'variable' === $types[0]->slug ) { $variable[] = $id; }
        }
        if ( $variable ) {
            
            if ( ! wp_using_ext_object_cache() ) {
                $keys = array();
                foreach ( $variable as $id ) {
                    foreach ( array( 'wc_var_prices_', 'wc_product_children_', 'wc_child_has_weight_', 'wc_child_has_dimensions_', 'wc_related_' ) as $name ) {
                        $keys[] = '_transient_' . $name . $id;
                        $keys[] = '_transient_timeout_' . $name . $id;
                    }
                }
                wp_prime_option_caches( $keys );
            }
            $children = array();
            foreach ( $variable as $id ) {
                $known = get_transient( 'wc_product_children_' . $id );
                if ( is_array( $known ) && ! empty( $known['all'] ) ) {
                    $children = array_merge( $children, array_map( 'intval', (array) $known['all'] ) );
                }
            }
            if ( $children ) { _prime_post_caches( array_values( array_unique( $children ) ), true, true ); }

            
            $term_ids = array();
            foreach ( $variable as $id ) {
                foreach ( get_object_taxonomies( 'product' ) as $tax ) {
                    if ( 0 !== strpos( $tax, 'pa_' ) ) { continue; }
                    $terms = get_object_term_cache( $id, $tax );
                    if ( is_array( $terms ) ) {
                        foreach ( $terms as $t ) { $term_ids[] = (int) $t->term_id; }
                    }
                }
            }
            if ( $term_ids ) {
                $term_ids = array_values( array_unique( $term_ids ) );
                update_termmeta_cache( $term_ids );
                foreach ( $term_ids as $tid ) {
                    $pictures[] = (int) get_term_meta( $tid, '_aieo_swatch_image_id', true ) ?: (int) get_term_meta( $tid, 'product_attribute_image', true ) ?: (int) get_term_meta( $tid, 'image', true );
                }
            }
        }
        $pictures = array_values( array_unique( array_filter( $pictures ) ) );
        if ( $pictures ) { _prime_post_caches( $pictures, false, true ); }
    }

    
    public function prime_archive_rows( $query ) {
        if ( is_admin() || ! ( $query instanceof WP_Query ) ) { return; }
        $typed = in_array( 'product', (array) $query->get( 'post_type' ), true );
        $ids   = array();
        foreach ( (array) $query->posts as $p ) {
            if ( is_object( $p ) ? 'product' !== $p->post_type : ! $typed ) { continue; }
            $pid = is_object( $p ) ? (int) $p->ID : (int) $p;
            if ( $pid > 0 && ! array_key_exists( $pid . '|archive', $this->row_cache ) ) { $ids[] = $pid; }
        }
        if ( count( $ids ) < 2 || ! $this->swatch_table_ready( 'aieo_dmm_swatches_cache' ) ) { return; }
        global $wpdb;
        $table = $wpdb->prefix . 'aieo_dmm_swatches_cache';
        $rows  = $wpdb->get_results(
            "SELECT product_id, variations_json, variation_ids_json, variations_map_json,
                    total_available, stored_count, cache_hash
             FROM {$table}
             WHERE context = 'archive' AND product_id IN (" . implode( ',', array_map( 'intval', $ids ) ) . ')',
            ARRAY_A
        );
        foreach ( (array) $rows as $row ) {
            $this->row_cache[ (int) $row['product_id'] . '|archive' ] = $this->decode_cache_row( (int) $row['product_id'], $row );
        }
    }

    
    private function swatch_table_ready( $table ) {
        if ( ! isset( $this->tables_ready[ $table ] ) ) {
            global $wpdb;
            $this->tables_ready[ $table ] = ! function_exists( 'aieo_dmm_table_exists' )
                || aieo_dmm_table_exists( $wpdb->prefix . $table );
        }
        return $this->tables_ready[ $table ];
    }

    private function get_settings_hash_cached() {
        if ( $this->settings === null ) { $this->get_settings(); }
        return $this->settings_hash;
    }

    
    
    private function fallback_cache( WC_Product $product, $context ) {
        $this->pending_rebuilds[ (int) $product->get_id() ] = true;
        $has_runner = function_exists( 'as_enqueue_async_action' ) || function_exists( 'as_schedule_single_action' );
        if ( $has_runner && ! apply_filters( 'aieo_swatches_build_inline', false, $product, $context ) ) {
            return null;
        }
        $built = $this->build_inline_fallback( $product, $context );
        $this->row_cache[ ( (int) $product->get_id() ) . '|' . (string) $context ] = $built;
        return $built;
    }

    private function build_inline_fallback( WC_Product $product, $context ) {
        $s        = $this->get_settings();
        $hide_oos = get_option( 'woocommerce_hide_out_of_stock_items', 'no' ) === 'yes';
        $img_w    = $context === 'archive'
            ? (int) ( $s['image_width_shop_archive']  ?? 26 )
            : (int) ( $s['image_width']  ?? 72 );
        $img_h    = $context === 'archive'
            ? (int) ( $s['image_height_shop_archive'] ?? 26 )
            : (int) ( $s['image_height'] ?? 72 );
        $max_limit = $context === 'archive'
            ? max( (int) ( $s['image_swatch_limit_desktop'] ?? 5 ), (int) ( $s['image_swatch_limit_mobile'] ?? 3 ) )
            : 0;

        $all_ids = $product->get_children();
        if ( ! is_array( $all_ids ) ) { $all_ids = array(); }

        $to_process      = array();
        $total_available = 0;

        if ( $context === 'archive' && $hide_oos ) {
            foreach ( $all_ids as $vid ) {
                $stock = get_post_meta( (int) $vid, '_stock_status', true );
                if ( $stock === 'instock' || $stock === 'onbackorder' ) {
                    $to_process[] = (int) $vid;
                }
            }
            $total_available = count( $to_process );
        } else {
            $to_process      = array_map( 'intval', $all_ids );
            $total_available = count( $to_process );
        }

        $variations      = array();
        $map             = array();
        $parent_image_id = (int) $product->get_image_id();
        $count           = 0;

        foreach ( $to_process as $vid ) {
            if ( $context === 'archive' && $max_limit > 0 && $count >= $max_limit ) { break; }

            $meta = get_post_meta( (int) $vid );
            if ( ! is_array( $meta ) ) { continue; }

            $attributes = array();
            foreach ( $meta as $mkey => $mval ) {
                if ( strpos( $mkey, 'attribute_' ) === 0 ) {
                    $attributes[ $mkey ] = isset( $mval[0] ) ? wc_clean( $mval[0] ) : '';
                }
            }
            $stock_status = isset( $meta['_stock_status'][0] ) ? (string) $meta['_stock_status'][0] : '';
            $image_id     = isset( $meta['_thumbnail_id'][0] )  ? (int) $meta['_thumbnail_id'][0] : $parent_image_id;
            $img_url      = '';
            if ( $image_id > 0 ) {
                $inter = image_get_intermediate_size( $image_id, array( $img_w, $img_h ) );
                if ( is_array( $inter ) && ! empty( $inter['url'] ) ) {
                    $img_url = (string) $inter['url'];
                } else {
                    $full = wp_get_attachment_image_src( $image_id, 'full' );
                    $img_url = is_array( $full ) ? (string) $full[0] : '';
                }
            }

            $vdesc        = isset( $meta['_variation_description'][0] ) ? trim( wp_strip_all_tags( (string) $meta['_variation_description'][0] ) ) : '';
            $swatch_label = class_exists( 'AIEO_DMM_Swatches' ) ? AIEO_DMM_Swatches::compose_swatch_label( $vdesc, $attributes ) : $vdesc;

            $variations[] = array(
                'variation_id'          => (int) $vid,
                'available'             => ( $stock_status === 'instock' || $stock_status === 'onbackorder' ),
                'img_url'               => $img_url,
                'img_w'                 => $img_w,
                'img_h'                 => $img_h,
                'attributes'            => $attributes,
                'price_html'            => '',
                'sku'                   => isset( $meta['_sku'][0] ) ? (string) $meta['_sku'][0] : '',
                'stock_status'          => $stock_status,
                'variation_description' => $vdesc,
                'swatch_label'          => $swatch_label,
            );
            $map[ sha1( (string) wp_json_encode( $attributes ) ) ] = (int) $vid;
            $count++;
        }

        return array(
            'variations'      => $variations,
            'ids'             => array_column( $variations, 'variation_id' ),
            'map'             => $map,
            'total_available' => $total_available,
            'stored_count'    => count( $variations ),
        );
    }

    
    public function filter_cart_item_thumbnail( $thumbnail, $cart_item, $cart_item_key ) {
        $s    = $this->get_settings();
        $mode = (string) ( $s['cart_variation_image'] ?? 'swatch' );
        if ( $mode === 'product' ) { return $thumbnail; }

        $variation_id = isset( $cart_item['variation_id'] ) ? (int) $cart_item['variation_id'] : 0;
        if ( $variation_id <= 0 ) { return $thumbnail; }

        
        
        
        
        if ( ! $this->swatch_table_ready( 'aieo_dmm_swatches_variation_map' ) ) { return $thumbnail; }
        global $wpdb;
        $table = $wpdb->prefix . 'aieo_dmm_swatches_variation_map';
        $row   = $wpdb->get_row( $wpdb->prepare(
            "SELECT swatch_image_url, image_url FROM {$table} WHERE variation_id = %d LIMIT 1",
            $variation_id
        ), ARRAY_A );

        
        $url = '';
        if ( $mode === 'swatch' ) {
            $url = is_array( $row ) ? (string) ( $row['swatch_image_url'] ?? '' ) : '';
            
            if ( $url === '' && is_array( $row ) ) {
                $url = (string) ( $row['image_url'] ?? '' );
            }
        } elseif ( $mode === 'variation' ) {
            $url = is_array( $row ) ? (string) ( $row['image_url'] ?? '' ) : '';
        }

        if ( $url === '' ) { return $thumbnail; }

        return sprintf(
            '<img src="%1$s" class="attachment-woocommerce_thumbnail" alt="" />',
            esc_url( $url )
        );
    }

    
    public function flush_pending_rebuilds() {
        if ( empty( $this->pending_rebuilds ) || ! $this->swatch_table_ready( 'aieo_dmm_swatches_cache' ) ) { return; }
        $ids = array_keys( $this->pending_rebuilds );
        $this->pending_rebuilds = array();

        if ( function_exists( 'as_enqueue_async_action' ) ) {
            
            
            
            
            as_enqueue_async_action( 'aieo_dmm_swatches_rebuild_batch', array( $ids ), 'aieo-dmm-swatches', true );
        } else {
            wp_schedule_single_event( time() + 1, 'aieo_dmm_swatches_rebuild_batch', array( $ids ) );
        }
    }

    
    private static function copy_or($value, $fallback) {
        $value = trim((string) $value);
        return '' !== $value ? $value : (string) $fallback;
    }
}