<?php

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

if ( ! class_exists( 'AIEO_Card', false ) ) :

class AIEO_Card {

	const OPTION = 'aieo_card_design';

	
	const CAP = 8;

	
	private static $booted = false;

	
	private static $depth = 0;

	public static function enabled() {
		return 'rooster' === (string) get_option( self::OPTION, '' );
	}

	
	public static function draws_block_card() {
		return self::$depth > 0 && self::enabled();
	}

	public static function boot() {
		if ( self::$booted ) { return; }
		self::$booted = true;
		add_action( 'wp_ajax_aieo_card_variations', array( __CLASS__, 'ajax_variations' ) );
		add_action( 'wp_ajax_nopriv_aieo_card_variations', array( __CLASS__, 'ajax_variations' ) );
		if ( ! self::enabled() ) { return; }
		add_filter( 'render_block_data', array( __CLASS__, 'enter_template' ), 10, 2 );
		add_filter( 'render_block_woocommerce/product-template', array( __CLASS__, 'leave_template' ), 10, 2 );
		
		add_filter( 'render_block_woocommerce/product-image', array( __CLASS__, 'after_picture' ), 20, 3 );
		add_action( 'wp_enqueue_scripts', array( __CLASS__, 'enqueue' ) );
		
		add_filter( 'rooster/performance/delay_keep', array( __CLASS__, 'keep_script' ) );
	}

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

	
	public static function enter_template( $parsed, $source = array() ) {
		if ( isset( $parsed['blockName'] ) && 'woocommerce/product-template' === $parsed['blockName'] ) {
			self::$depth++;
		}
		return $parsed;
	}

	
	public static function leave_template( $html, $block ) {
		self::$depth = max( 0, self::$depth - 1 );
		self::load();
		
		$tags = new WP_HTML_Tag_Processor( (string) $html );
		if ( ! $tags->next_tag( 'ul' ) ) {
			return $html;
		}
		$tags->add_class( 'rc-grid' );
		
		if ( 'swatches' === get_option( 'aieo_card_under_picture', 'stars' ) ) {
			$tags->add_class( 'rc-grid--swatches-first' );
		}
		$tags->set_attribute( 'data-rooster-ui', 'rooster-one/product_archive_card' );
		
		$choose = self::categories_choose() && '' === self::page_category_options_in();
		$store  = $choose ? self::store_options_in() : '';
		$far    = self::far_cards( (string) $html );
		$card   = -1;
		while ( $tags->next_tag( array( 'tag_name' => 'li', 'class_name' => 'wc-block-product' ) ) ) {
			$tags->add_class( 'rc-card' );
			if ( ! empty( $far[ ++$card ] ) ) {
				$tags->set_attribute( 'data-rc-far', '' );
			}
			if ( $choose && preg_match( '/\bpost-(\d+)\b/', (string) $tags->get_attribute( 'class' ), $id ) ) {
				$open = self::product_options_in( (int) $id[1] );
				if ( '' !== $open && $open !== $store ) {
					$tags->set_attribute( 'data-rc-open', $open );
				}
			}
		}
		return $tags->get_updated_html();
	}

	
	private static function far_cards( $html ) {
		$far  = array();
		$scan = new WP_HTML_Tag_Processor( $html );
		$card = -1;
		$seen = true;
		while ( $scan->next_tag() ) {
			if ( 'LI' === $scan->get_tag() && $scan->has_class( 'wc-block-product' ) ) {
				$card++;
				$seen = false;
			} elseif ( ! $seen && 'IMG' === $scan->get_tag() ) {
				$seen         = true;
				$far[ $card ] = 'lazy' === strtolower( (string) $scan->get_attribute( 'loading' ) );
			}
		}
		return $far;
	}

	

	private static function store_options_in() {
		return 'side_cart' === get_option( 'aieo_card_options_in', 'list' ) ? 'side_cart' : 'list';
	}

	private static function categories_choose() {
		$terms = get_option( 'aieo_card_options_in_terms', array() );
		return ! empty( $terms ) && is_array( $terms );
	}

	
	private static function category_options_in( $term_id ) {
		$terms = get_option( 'aieo_card_options_in_terms', array() );
		if ( empty( $terms ) || ! is_array( $terms ) ) { return ''; }
		foreach ( array_merge( array( (int) $term_id ), get_ancestors( (int) $term_id, 'product_cat', 'taxonomy' ) ) as $id ) {
			if ( isset( $terms[ $id ] ) ) { return 'side_cart' === $terms[ $id ] ? 'side_cart' : 'list'; }
		}
		return '';
	}

	
	private static function page_category_options_in() {
		if ( ! function_exists( 'is_product_category' ) || ! is_product_category() ) { return ''; }
		$term = get_queried_object();
		return $term instanceof WP_Term ? self::category_options_in( $term->term_id ) : '';
	}

	
	private static function product_options_in( $product_id ) {
		$terms = get_the_terms( $product_id, 'product_cat' );
		if ( ! is_array( $terms ) ) { return ''; }
		$choices = array();
		foreach ( $terms as $term ) {
			$choice = self::category_options_in( $term->term_id );
			if ( '' !== $choice ) { $choices[ $choice ] = true; }
		}
		return 1 === count( $choices ) ? (string) key( $choices ) : '';
	}

	
	public static function page_options_in() {
		$own = self::page_category_options_in();
		return '' !== $own ? $own : self::store_options_in();
	}

	
	public static function after_picture( $html, $block, $instance = null ) {
		if ( self::$depth <= 0 || false === strpos( (string) $html, 'data-is-descendent-of-query-loop="true"' ) ) { return $html; }
		$pid = ( $instance instanceof WP_Block && ! empty( $instance->context['postId'] ) ) ? (int) $instance->context['postId'] : 0;
		if ( $pid <= 0 || ! class_exists( 'AIEO_DMM_Swatches_Runtime' ) || ! function_exists( 'wc_get_product' ) ) { return $html; }
		$product = wc_get_product( $pid );
		if ( ! $product instanceof WC_Product ) { return $html; }
		return $html . AIEO_DMM_Swatches_Runtime::instance()->render_card_row_html( $product, self::CAP );
	}

	
	public static function ajax_variations() {
		$pid     = isset( $_REQUEST['product_id'] ) ? absint( $_REQUEST['product_id'] ) : 0; 
		$product = $pid > 0 && function_exists( 'wc_get_product' ) ? wc_get_product( $pid ) : null;
		if ( ! $product instanceof WC_Product || ! $product->is_type( 'variable' ) || 'publish' !== get_post_status( $pid ) || ! class_exists( 'AIEO_DMM_Swatches_Runtime' ) ) {
			wp_send_json_error( array( 'message' => __( 'Invalid product.', 'ai-eshop-optimizer' ) ), 404 );
		}
		
		
		
		$key  = 'aieo_card_rows_' . $pid . '_' . ( class_exists( 'WC_Cache_Helper' ) ? WC_Cache_Helper::get_transient_version( 'product' ) : '0' ) . '_' . determine_locale();
		$data = get_transient( $key );
		if ( ! is_array( $data ) || ! isset( $data['rows'] ) ) {
			$data = AIEO_DMM_Swatches_Runtime::instance()->card_list_rows( $product );
			foreach ( $data['rows'] as &$row ) { $row['in_cart'] = 0; }
			unset( $row );
			set_transient( $key, $data, HOUR_IN_SECONDS );
		}
		if ( function_exists( 'WC' ) && WC()->cart && ! WC()->cart->is_empty() ) {
			$in_cart = array();
			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']; }
			}
			foreach ( $data['rows'] as &$row ) { $row['in_cart'] = (int) ( $in_cart[ $row['id'] ] ?? 0 ); }
			unset( $row );
		}
		$thumb = wp_get_attachment_image_src( (int) $product->get_image_id(), 'thumbnail' );
		wp_send_json_success( array(
			'id'     => $pid,
			'name'   => html_entity_decode( (string) $product->get_name(), ENT_QUOTES, 'UTF-8' ),
			'url'    => (string) get_permalink( $pid ),
			'thumb'  => is_array( $thumb ) ? (string) $thumb[0] : '',
			'rows'   => $data['rows'],
			'styles' => $data['styles'],
			'nonce'  => wp_create_nonce( 'aieo_swatches_frontend' ),
		) );
	}

	
	private static function script_config() {
		return array(
			'addUrl'  => class_exists( 'WC_AJAX' ) ? WC_AJAX::get_endpoint( 'add_to_cart' ) : '',
			'ajaxUrl' => admin_url( 'admin-ajax.php' ),
			'cartUrl' => function_exists( 'wc_get_cart_url' ) ? wc_get_cart_url() : '',
			
			
			'openIn'  => self::page_options_in(),
			
			
			'rowLayout' => class_exists( 'AIEO_DMM_Swatches_Runtime' ) ? AIEO_DMM_Swatches_Runtime::instance()->row_layout() : null,
			'price'   => array(
				'decimals' => function_exists( 'wc_get_price_decimals' ) ? wc_get_price_decimals() : 2,
				'decimal'  => function_exists( 'wc_get_price_decimal_separator' ) ? wc_get_price_decimal_separator() : ',',
				'thousand' => function_exists( 'wc_get_price_thousand_separator' ) ? wc_get_price_thousand_separator() : '.',
				'symbol'   => function_exists( 'get_woocommerce_currency_symbol' ) ? html_entity_decode( get_woocommerce_currency_symbol(), ENT_QUOTES, 'UTF-8' ) : '',
				'pos'      => (string) get_option( 'woocommerce_currency_pos', 'right_space' ),
			),
			'i18n'    => array(
				'addText'     => __( 'Add to cart', 'woocommerce' ),
				'addSelected' => __( 'Add selected to cart', 'ai-eshop-optimizer' ),
				'viewCart'    => __( 'View cart', 'woocommerce' ),
				'done'        => __( 'Done', 'ai-eshop-optimizer' ),
				'close'       => __( 'Close', 'ai-eshop-optimizer' ),
				'find'        => __( 'Find an option', 'ai-eshop-optimizer' ),
				
				'each'        => __( '%s each', 'ai-eshop-optimizer' ),
				
				'from'        => __( 'from %s', 'ai-eshop-optimizer' ),
				
				'option'      => __( '%d option', 'ai-eshop-optimizer' ),
				
				'options'     => __( '%d options', 'ai-eshop-optimizer' ),
				
				'item'        => __( '%d item', 'ai-eshop-optimizer' ),
				
				'items'       => __( '%d items', 'ai-eshop-optimizer' ),
				
				'inCart'      => __( '%d in cart', 'ai-eshop-optimizer' ),
				'outOfStock'  => __( 'Out of stock', 'woocommerce' ),
				
				'onlyLeft'    => __( 'Only %d left', 'ai-eshop-optimizer' ),
				'fewer'       => __( 'Fewer', 'ai-eshop-optimizer' ),
				'more'        => __( 'More', 'ai-eshop-optimizer' ),
				'tick'        => __( 'Tick at least one option.', 'ai-eshop-optimizer' ),
				'addedOne'    => __( '1 item added to your cart', 'ai-eshop-optimizer' ),
				
				'added'       => __( '%d items added to your cart', 'ai-eshop-optimizer' ),
				'addedSome'   => __( 'Some of the items could not be added. Your cart shows what was added.', 'ai-eshop-optimizer' ),
				
				'noMatch'     => __( 'No option matches “%s”', 'ai-eshop-optimizer' ),
				'failed'      => __( 'We could not reach the cart. Your selection is kept: try again.', 'ai-eshop-optimizer' ),
			),
		);
	}

	public static function enqueue() {
		$wants = function_exists( 'is_woocommerce' ) && is_woocommerce();
		if ( ! $wants ) {
			$post  = get_post();
			$wants = $post instanceof WP_Post && ( has_block( 'woocommerce/product-collection', $post ) || has_block( 'woocommerce/product-template', $post ) );
		}
		if ( $wants ) { self::load(); }
	}

	
	public static function load() {
		self::load_style();
		if ( wp_script_is( 'aieo-card', 'enqueued' ) ) { return; }
		$root = dirname( __DIR__ );
		$js   = ( ! defined( 'SCRIPT_DEBUG' ) || ! SCRIPT_DEBUG ) && file_exists( $root . '/assets/js/aieo-card.min.js' ) ? 'assets/js/aieo-card.min.js' : 'assets/js/aieo-card.js';
		wp_enqueue_script( 'aieo-card', plugins_url( $js, __DIR__ ), array(), (string) filemtime( $root . '/' . $js ), array( 'in_footer' => true, 'strategy' => 'async' ) );
		wp_add_inline_script( 'aieo-card', 'window.aieoCardCfg=' . wp_json_encode( self::script_config() ) . ';', 'before' );
	}

	
	public static function load_style() {
		if ( wp_style_is( 'aieo-card', 'enqueued' ) ) { return; }
		$root = dirname( __DIR__ );
		$rel  = ( ! defined( 'SCRIPT_DEBUG' ) || ! SCRIPT_DEBUG ) && file_exists( $root . '/assets/css/aieo-card.min.css' ) ? 'assets/css/aieo-card.min.css' : 'assets/css/aieo-card.css';
		wp_enqueue_style( 'aieo-card', plugins_url( $rel, __DIR__ ), array(), (string) filemtime( $root . '/' . $rel ) );
	}
}

endif;