<?php

defined( 'ABSPATH' ) || exit;

final class AIEO_Engine_Mega_Menu {

	const OPTION = 'aieo_menu_version';

	const DIR = 'rooster-menu';

	const QUERY = 'rooster-menu';

	
	const TRANSIENT = 'aieo_menu_json_';

	const META_FAMILY  = '_rooster_family';
	const META_TAGLINE = '_rooster_tagline';
	const META_CTA     = '_rooster_cta';
	const META_IMAGE   = '_rooster_image';
	const META_LAYOUT  = '_rooster_layout';

	const LAYOUTS = array( 'columns', 'featured', 'list' );

	
	const MEGA = 'mega';

	
	const PLACES = array( 'feature', 'foot', 'foot-end' );

	
	const CONTEXT = 'rooster/menuLayout';

	
	const TOKEN_FREE_SHIPPING = '{free_shipping}';

	
	const SHIPPING_OPTION = 'aieo_dmm_free_shipping';

	
	const LIST_ROWS = 8;

	
	const COMPACT_COLUMNS = 5;

	
	const KEEP = 3;

	
	private static $data = null;

	public static function boot() {
		add_filter( 'block_type_metadata', array( __CLASS__, 'navigation_attributes' ) );
		add_filter( 'render_block_core/navigation-link', array( __CLASS__, 'placed_entry' ), 10, 3 );
		add_filter( 'render_block_core/navigation-submenu', array( __CLASS__, 'placed_entry' ), 10, 3 );
		add_action( 'save_post_wp_navigation', array( __CLASS__, 'on_save' ), 20, 3 );
		add_action( 'deleted_post', array( __CLASS__, 'on_delete' ), 10, 2 );
		add_action( 'template_redirect', array( __CLASS__, 'serve' ), 0 );
		add_action( 'update_option_' . self::SHIPPING_OPTION, array( __CLASS__, 'on_shipping' ), 10, 2 );
		add_action( 'add_option_' . self::SHIPPING_OPTION, array( __CLASS__, 'on_shipping' ), 10, 2 );
	}

	

	
	public static function navigation_attributes( $metadata ) {
		$name = (string) ( $metadata['name'] ?? '' );
		if ( 'core/navigation-link' !== $name && 'core/navigation-submenu' !== $name ) {
			return $metadata;
		}
		$attributes = array(
			'roosterIcon'      => array( 'type' => 'string', 'default' => '' ),
			'roosterBadge'     => array( 'type' => 'string', 'default' => '' ),
			'roosterAccent'    => array( 'type' => 'string', 'default' => '' ),
			
			'roosterSeparator' => array( 'type' => 'string', 'default' => '' ),
			'roosterGroup'     => array( 'type' => 'string', 'default' => '' ),
			
			'roosterColumn'    => array( 'type' => 'integer', 'default' => 0 ),
			
			'roosterPlace'     => array( 'type' => 'string', 'default' => '' ),
		);
		if ( 'core/navigation-submenu' === $name ) {
			$attributes['roosterImage']  = array( 'type' => 'integer', 'default' => 0 );
			$attributes['roosterLayout'] = array( 'type' => 'string', 'default' => '' );
			
			$metadata['providesContext'] = array_merge( (array) ( $metadata['providesContext'] ?? array() ), array( self::CONTEXT => 'roosterLayout' ) );
		}
		$metadata['usesContext'] = array_values( array_unique( array_merge( (array) ( $metadata['usesContext'] ?? array() ), array( self::CONTEXT ) ) ) );
		$metadata['attributes']  = array_merge( (array) ( $metadata['attributes'] ?? array() ), $attributes );
		return $metadata;
	}

	
	public static function placed_entry( $html, $block, $instance = null ) {
		$html = (string) $html;
		if ( '' === $html || ! $instance instanceof WP_Block || self::MEGA !== ( $instance->context[ self::CONTEXT ] ?? '' ) ) {
			return $html;
		}
		$block = (array) $block;
		$place = (string) ( $block['attrs']['roosterPlace'] ?? '' );
		if ( 'feature' === $place ) {
			return '';
		}
		if ( 'foot' !== $place && 'foot-end' !== $place ) {
			return $html;
		}
		if ( '' === self::address( $block ) ) {
			return '';
		}
		if ( false === strpos( $html, self::TOKEN_FREE_SHIPPING ) ) {
			return $html;
		}
		$amount = self::free_shipping();
		return '' === $amount ? '' : str_replace( self::TOKEN_FREE_SHIPPING, esc_html( $amount ), $html );
	}

	

	public static function version() {
		return max( 1, (int) get_option( self::OPTION, 1 ) );
	}

	private static function dir() {
		$uploads = wp_upload_dir( null, false );
		return array( 'path' => rtrim( (string) $uploads['basedir'], '/\\' ) . '/' . self::DIR, 'url' => rtrim( (string) $uploads['baseurl'], '/' ) . '/' . self::DIR );
	}

	public static function file_path( $version ) {
		return self::dir()['path'] . '/menu-' . (int) $version . '.json';
	}

	
	public static function file_url( $version ) {
		$version = (int) $version;
		if ( is_file( self::file_path( $version ) ) ) {
			return self::dir()['url'] . '/menu-' . $version . '.json';
		}
		return add_query_arg( self::QUERY, $version, home_url( '/' ) );
	}

	
	public static function on_save( $post_id, $post, $update = true ) {
		if ( wp_is_post_revision( $post_id ) || wp_is_post_autosave( $post_id ) || ! $post instanceof WP_Post || 'auto-draft' === $post->post_status ) {
			return;
		}
		self::regenerate();
	}

	
	public static function on_delete( $post_id, $post = null ) {
		if ( $post instanceof WP_Post && 'wp_navigation' === $post->post_type ) {
			self::regenerate();
		}
	}

	
	public static function on_shipping( $old, $new ) {
		$was = is_array( $old ) ? $old : array();
		$now = is_array( $new ) ? $new : array();
		if ( (float) ( $was['free_shipping_threshold'] ?? 0 ) === (float) ( $now['free_shipping_threshold'] ?? 0 ) && (string) ( $was['enabled'] ?? '' ) === (string) ( $now['enabled'] ?? '' ) ) {
			return;
		}
		foreach ( get_posts( array( 'post_type' => 'wp_navigation', 'post_status' => 'publish', 'posts_per_page' => 50, 'no_found_rows' => true ) ) as $post ) {
			if ( false !== strpos( (string) $post->post_content, self::TOKEN_FREE_SHIPPING ) ) {
				self::regenerate();
				return;
			}
		}
	}

	
	public static function regenerate() {
		self::$data = null;
		$version    = self::version() + 1;
		$data       = self::data( $version );
		$dir        = self::dir()['path'];
		$written    = false;
		$fs         = self::filesystem();
		if ( $fs && wp_mkdir_p( $dir ) && wp_is_writable( $dir ) ) {
			$written = $fs->put_contents( self::file_path( $version ), (string) wp_json_encode( $data, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE ), FS_CHMOD_FILE );
		}
		update_option( self::OPTION, $version, true );
		delete_transient( self::TRANSIENT . ( $version - 1 ) );
		if ( $written ) {
			foreach ( glob( $dir . '/menu-*.json' ) ?: array() as $file ) {
				if ( preg_match( '/menu-(\d+)\.json$/', $file, $m ) && (int) $m[1] <= $version - self::KEEP ) {
					wp_delete_file( $file );
				}
			}
		}
		
		do_action( 'rooster/menu/regenerated', $version, $written );
		return $version;
	}

	
	public static function serve() {
		if ( ! isset( $_GET[ self::QUERY ] ) ) { 
			return;
		}
		$version = absint( wp_unslash( $_GET[ self::QUERY ] ) ); 
		header( 'X-Robots-Tag: noindex' );
		if ( $version !== self::version() ) {
			nocache_headers();
			wp_send_json( array( 'version' => self::version() ), 404 );
		}
		$data = get_transient( self::TRANSIENT . $version );
		if ( ! is_array( $data ) || ! isset( $data['panels'] ) ) {
			$data = self::data( $version );
			set_transient( self::TRANSIENT . $version, $data, MONTH_IN_SECONDS );
		}
		header( 'Cache-Control: public, max-age=31536000, immutable' );
		wp_send_json( $data, 200, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE );
	}

	
	private static function filesystem() {
		global $wp_filesystem;
		if ( ! function_exists( 'WP_Filesystem' ) ) {
			require_once ABSPATH . 'wp-admin/includes/file.php';
		}
		if ( ! $wp_filesystem instanceof WP_Filesystem_Base && ! WP_Filesystem() ) {
			return null;
		}
		return $wp_filesystem instanceof WP_Filesystem_Base ? $wp_filesystem : null;
	}

	

	
	public static function data( $version = null ) {
		if ( null === $version ) {
			$version = self::version();
		}
		if ( is_array( self::$data ) && self::$data['version'] === (int) $version ) {
			return self::$data;
		}
		$panels = array();
		$posts  = get_posts( array( 'post_type' => 'wp_navigation', 'post_status' => 'publish', 'posts_per_page' => 50, 'orderby' => 'name', 'order' => 'ASC', 'no_found_rows' => true ) );
		foreach ( $posts as $post ) {
			$blocks = self::items( $post );
			if ( ! $blocks ) {
				continue;
			}
			
			
			
			$placed = array();
			$whole  = $blocks;
			foreach ( $blocks as $i => $block ) {
				if ( 'core/navigation-submenu' === $block['blockName'] && self::MEGA === (string) ( $block['attrs']['roosterLayout'] ?? '' ) ) {
					$placed[ $i ]               = self::places( $block );
					$whole[ $i ]['innerBlocks'] = $placed[ $i ]['phone'];
				}
			}
			$panels[ $post->post_name ] = array( 'label' => (string) $post->post_title, 'html' => self::panel( $post, $whole, self::layout( $post ) ) ) + self::phone( $post, $whole, true );
			foreach ( self::submenu_keys( $post, $blocks ) as $i => $key ) {
				$block          = $blocks[ $i ];
				
				
				
				
				
				
				$named          = (string) ( $block['attrs']['roosterLayout'] ?? '' );
				if ( self::MEGA === $named ) {
					
					
					
					$parts          = $placed[ $i ];
					$panels[ $key ] = array(
						'label' => (string) ( $block['attrs']['label'] ?? '' ),
						'html'  => self::mega( $post, $block, $parts ),
					) + self::phone( $post, array( array( 'innerBlocks' => $parts['phone'] ) + $block ), false );
					continue;
				}
				$deep           = self::deep( $block );
				$layout         = 'list';
				if ( $deep && 'list' !== $named && ( '' !== $named || self::rows( $block ) > self::LIST_ROWS ) ) {
					$layout = 'columns';
				}
				$nested         = $deep && 'columns' === $layout;
				$panels[ $key ] = array(
					'label' => (string) ( $block['attrs']['label'] ?? '' ),
					'html'  => self::panel( $post, $nested ? self::entries( $block ) : array( $block ), $layout, false, $nested ),
				) + self::phone( $post, array( $block ), false );
			}
		}
		self::$data = array( 'version' => (int) $version, 'panels' => $panels );
		return self::$data;
	}

	
	private static function entries( array $block ) {
		return array_values( array_filter( (array) ( $block['innerBlocks'] ?? array() ), static function ( $b ) {
			return in_array( (string) ( $b['blockName'] ?? '' ), array( 'core/navigation-link', 'core/navigation-submenu' ), true );
		} ) );
	}

	
	public static function rows( array $block ) {
		$rows = 0;
		foreach ( self::entries( $block ) as $entry ) {
			$rows += 1 + ( 'core/navigation-submenu' === $entry['blockName'] ? count( self::entries( $entry ) ) : 0 );
		}
		return $rows;
	}

	
	public static function deep( array $block ) {
		foreach ( self::entries( $block ) as $entry ) {
			if ( 'core/navigation-submenu' === $entry['blockName'] && self::entries( $entry ) ) {
				return true;
			}
		}
		return false;
	}

	
	public static function submenu_keys( WP_Post $post, array $items ) {
		$keys = array();
		$used = array();
		foreach ( array_values( $items ) as $i => $block ) {
			if ( 'core/navigation-submenu' !== $block['blockName'] || empty( $block['innerBlocks'] ) ) {
				continue;
			}
			$key = $post->post_name . '#' . sanitize_title( (string) ( $block['attrs']['label'] ?? '' ) );
			if ( in_array( $key, $used, true ) || '#' === substr( $key, -1 ) ) {
				$key .= '-' . $i;
			}
			$used[]     = $key;
			$keys[ $i ] = $key;
		}
		return $keys;
	}

	
	public static function items( WP_Post $post ) {
		return array_values( array_filter( parse_blocks( (string) $post->post_content ), static function ( $b ) {
			return in_array( (string) ( $b['blockName'] ?? '' ), array( 'core/navigation-link', 'core/navigation-submenu' ), true );
		} ) );
	}

	public static function layout( WP_Post $post ) {
		$layout = (string) get_post_meta( $post->ID, self::META_LAYOUT, true );
		if ( '' === $layout && (int) get_post_meta( $post->ID, self::META_IMAGE, true ) > 0 ) {
			$layout = 'featured';
		}
		return in_array( $layout, self::LAYOUTS, true ) ? $layout : 'columns';
	}

	
	public static function family( WP_Post $post ) {
		return sanitize_key( (string) get_post_meta( $post->ID, self::META_FAMILY, true ) );
	}

	
	public static function panel( WP_Post $post, array $blocks, $layout, $head = true, $linked = false ) {
		$layout  = in_array( (string) $layout, self::LAYOUTS, true ) ? (string) $layout : 'columns';
		$family  = self::family( $post );
		$html    = $head ? self::card( $post, $blocks, $family ) : '';
		$columns = '';
		$loose   = '';
		$count   = 0;
		if ( $linked ) {
			
			
			
			
			
			foreach ( self::stacks( $blocks ) as $stack ) {
				++$count;
				$column = '';
				foreach ( $stack as $block ) {
					$column .= self::group( $block );
				}
				$columns .= '<div class="rooster-mega__column">' . $column . '</div>';
			}
			$blocks = array();
		}
		foreach ( $blocks as $block ) {
			if ( 'core/navigation-submenu' === $block['blockName'] && 'list' !== $layout ) {
				++$count;
				$items = '';
				foreach ( (array) $block['innerBlocks'] as $child ) {
					$items .= self::item( $child );
				}
				
				
				$columns .= '<div class="rooster-mega__column"><p class="rooster-mega__col-head">' . esc_html( (string) ( $block['attrs']['label'] ?? '' ) ) . '</p>'
					. '<ul class="rooster-mega__list">' . $items . '</ul></div>';
				continue;
			}
			if ( 'core/navigation-submenu' === $block['blockName'] ) {
				
				foreach ( (array) $block['innerBlocks'] as $child ) {
					$loose .= self::item( $child, true );
				}
				continue;
			}
			$loose .= self::item( $block );
		}
		if ( '' !== $loose ) {
			++$count;
			$columns .= '<div class="rooster-mega__column"><ul class="rooster-mega__list">' . $loose . '</ul></div>';
		}
		
		$compact = $linked && $count <= self::COMPACT_COLUMNS ? ' is-compact is-cols-' . max( 1, $count ) : '';
		$html .= '<div class="rooster-mega__columns">' . $columns . '</div>';
		
		$html = (string) apply_filters( 'rooster/menu/panel', $html, $post, $layout );
		return '<div class="rooster-mega__panel-inner is-layout-' . esc_attr( $layout ) . ( $head ? ' has-card' : '' ) . ( $linked ? ' is-nested' : '' ) . $compact . ( '' !== $family ? ' is-style-accent-' . esc_attr( $family ) : '' ) . '">' . $html . '</div>';
	}

	
	public static function stacks( array $blocks ) {
		$named = false;
		foreach ( $blocks as $block ) {
			$named = $named || (int) ( $block['attrs']['roosterColumn'] ?? 0 ) > 0;
		}
		$stacks = array();
		$at     = 0;
		foreach ( $blocks as $block ) {
			$column = (int) ( $block['attrs']['roosterColumn'] ?? 0 );
			if ( $named ) {
				$at = $column > 0 ? $column : max( 1, $at );
			} elseif ( 0 === $at || ( 'core/navigation-submenu' === $block['blockName'] && self::entries( $block ) ) ) {
				$at = count( $stacks ) + 1;
			}
			$stacks[ $at ][] = $block;
		}
		ksort( $stacks );
		return array_values( $stacks );
	}

	
	private static function group( array $block ) {
		$name = trim( (string) ( $block['attrs']['label'] ?? '' ) );
		if ( '' === $name ) {
			return '';
		}
		$address = (string) ( $block['attrs']['url'] ?? '' );
		$items   = '';
		if ( 'core/navigation-submenu' === $block['blockName'] ) {
			foreach ( self::entries( $block ) as $child ) {
				$items .= self::item( $child );
			}
		}
		return '<p class="rooster-mega__col-head">' . ( '' !== $address ? '<a href="' . esc_url( $address ) . '">' . esc_html( $name ) . '</a>' : esc_html( $name ) ) . '</p>'
			. ( '' !== $items ? '<ul class="rooster-mega__list">' . $items . '</ul>' : '' );
	}

	

	
	private static function places( array $block ) {
		$parts = array( 'columns' => array(), 'feature' => null, 'foot' => array(), 'foot-end' => array(), 'phone' => array() );
		foreach ( self::entries( $block ) as $entry ) {
			$place = (string) ( $entry['attrs']['roosterPlace'] ?? '' );
			if ( 'feature' === $place && null === $parts['feature'] ) {
				$parts['feature'] = $entry;
				continue;
			}
			if ( 'foot' === $place || 'foot-end' === $place ) {
				$entry['attrs']['label'] = self::tokens( (string) ( $entry['attrs']['label'] ?? '' ) );
				if ( '' === trim( $entry['attrs']['label'] ) ) {
					continue;
				}
				$parts[ $place ][] = $entry;
				if ( '' !== self::address( $entry ) ) {
					$parts['phone'][] = $entry;
				}
				continue;
			}
			$parts['columns'][] = $entry;
			
			$entry['attrs']['url'] = self::address( $entry );
			$parts['phone'][]      = $entry;
		}
		return $parts;
	}

	
	public static function mega( WP_Post $post, array $block, ?array $parts = null ) {
		$parts  = $parts ?? self::places( $block );
		$family = self::family( $post );
		$deep   = false;
		foreach ( $parts['columns'] as $entry ) {
			$deep = $deep || ( 'core/navigation-submenu' === $entry['blockName'] && self::entries( $entry ) );
		}
		$columns = '';
		foreach ( self::stacks( $parts['columns'] ) as $stack ) {
			$column = '';
			foreach ( $stack as $entry ) {
				
				
				$entry['attrs']['url'] = self::address( $entry );
				$column               .= $deep ? self::group( $entry ) : self::item( $entry );
			}
			if ( '' !== $column ) {
				$columns .= '<div class="rooster-mega__column">' . ( $deep ? $column : '<ul class="rooster-mega__list">' . $column . '</ul>' ) . '</div>';
			}
		}
		$card = self::feature( $block, $parts['feature'] );
		$body = ( '' !== $columns ? '<div class="rooster-mega__columns">' . $columns . '</div>' : '' ) . $card;
		$foot = '';
		foreach ( array( 'foot' => '', 'foot-end' => ' is-end' ) as $place => $class ) {
			$items = '';
			foreach ( $parts[ $place ] as $entry ) {
				$items .= self::foot_item( $entry );
			}
			if ( '' !== $items ) {
				$foot .= '<ul class="rooster-mega__foot-list' . $class . '">' . $items . '</ul>';
			}
		}
		$html = ( '' !== $body ? '<div class="rooster-mega__body">' . $body . '</div>' : '' )
			. ( '' !== $foot ? '<div class="rooster-mega__foot">' . $foot . '</div>' : '' );
		
		$html = (string) apply_filters( 'rooster/menu/panel', $html, $post, self::MEGA );
		return '<div class="rooster-mega__panel-inner is-layout-mega' . ( '' !== $card ? ' has-feature' : '' ) . ( '' !== $family ? ' is-style-accent-' . esc_attr( $family ) : '' ) . '">' . $html . '</div>';
	}

	
	private static function feature( array $block, ?array $entry ) {
		$image = (int) ( $block['attrs']['roosterImage'] ?? 0 );
		if ( $image <= 0 && $entry ) {
			$image = self::picture( $entry );
		}
		if ( $image <= 0 ) {
			$image = self::picture( $block );
		}
		$art = '';
		if ( $image > 0 ) {
			$img = wp_get_attachment_image( $image, 'medium_large', false, array( 'class' => 'rooster-mega__feature-img', 'alt' => '', 'loading' => 'lazy', 'decoding' => 'async', 'sizes' => '(min-width: 64rem) 24rem, 80vw' ) );
			$art = '' !== $img ? '<span class="rooster-mega__feature-art">' . $img . '</span>' : '';
		}
		$from  = $entry ?? $block;
		$title = trim( (string) ( $from['attrs']['label'] ?? '' ) );
		$line  = $entry ? trim( (string) ( $entry['attrs']['description'] ?? '' ) ) : '';
		if ( ( '' === $art && ! $entry ) || ( '' === $art && '' === $title ) ) {
			return '';
		}
		
		
		$linked = '' !== $title && '' !== self::address( $from );
		$words  = ( '' !== $title ? '<span class="rooster-mega__feature-title">' . ( $linked ? '<span class="rooster-mega__words">' . esc_html( $title ) . '</span>' : esc_html( $title ) ) . '</span>' : '' )
			. ( '' !== $line ? '<span class="rooster-mega__feature-line">' . esc_html( $line ) . '</span>' : '' );
		if ( $linked ) {
			return '<a class="rooster-mega__feature"' . self::link_attributes( $from ) . '>' . $art . $words . '</a>';
		}
		return '<div class="rooster-mega__feature">' . $art . $words . '</div>';
	}

	
	public static function picture( array $block ) {
		$id    = (int) ( $block['attrs']['id'] ?? 0 );
		$kind  = (string) ( $block['attrs']['kind'] ?? '' );
		$image = 0;
		if ( $id > 0 && 'taxonomy' === $kind ) {
			$image = (int) get_term_meta( $id, 'thumbnail_id', true );
		} elseif ( $id > 0 && 'post-type' === $kind ) {
			$image = (int) get_post_thumbnail_id( $id );
		}
		
		return max( 0, (int) apply_filters( 'rooster/menu/picture', $image, $block ) );
	}

	
	private static function foot_item( array $block ) {
		$label = trim( (string) ( $block['attrs']['label'] ?? '' ) );
		if ( '' === $label ) {
			return '';
		}
		$icon  = sanitize_key( (string) ( $block['attrs']['roosterIcon'] ?? '' ) );
		$glyph = '' !== $icon && function_exists( 'rooster_has_icon' ) && rooster_has_icon( $icon ) ? rooster_icon( $icon, array( 'class' => 'rooster-mega__icon', 'width' => 16, 'height' => 16 ) ) : '';
		return '<li class="rooster-mega__foot-item">' . ( '' !== self::address( $block )
			? '<a class="rooster-mega__foot-link"' . self::link_attributes( $block ) . '>' . $glyph . '<span class="rooster-mega__words">' . esc_html( $label ) . '</span></a>'
			: '<span class="rooster-mega__foot-text">' . $glyph . esc_html( $label ) . '</span>' ) . '</li>';
	}

	
	private static function address( array $block ) {
		$url = trim( (string) ( $block['attrs']['url'] ?? '' ) );
		return '#' === $url ? '' : $url;
	}

	
	private static function link_attributes( array $block ) {
		$attrs = ' href="' . esc_url( (string) ( $block['attrs']['url'] ?? '' ) ) . '"';
		if ( ! empty( $block['attrs']['opensInNewTab'] ) ) {
			$attrs .= ' target="_blank" rel="noreferrer noopener"';
		}
		if ( ! empty( $block['attrs']['rel'] ) && empty( $block['attrs']['opensInNewTab'] ) ) {
			$attrs .= ' rel="' . esc_attr( (string) $block['attrs']['rel'] ) . '"';
		}
		if ( ! empty( $block['attrs']['title'] ) ) {
			$attrs .= ' title="' . esc_attr( (string) $block['attrs']['title'] ) . '"';
		}
		return $attrs;
	}

	
	private static function tokens( $label ) {
		$label = (string) $label;
		if ( false === strpos( $label, self::TOKEN_FREE_SHIPPING ) ) {
			return $label;
		}
		$amount = self::free_shipping();
		return '' === $amount ? '' : str_replace( self::TOKEN_FREE_SHIPPING, $amount, $label );
	}

	
	public static function free_shipping() {
		
		if ( ! function_exists( 'wc_price' ) ) {
			return '';
		}
		$amount = 0.0;
		if ( class_exists( 'AIEO_DMM_Free_Shipping' ) ) {
			$state  = AIEO_DMM_Free_Shipping::is_audience_eligible();
			$amount = ! empty( $state['eligible'] ) ? (float) ( $state['payload']['threshold'] ?? 0 ) : 0.0;
		}
		
		$amount = (float) apply_filters( 'rooster/menu/free_shipping', $amount );
		if ( $amount <= 0 ) {
			return '';
		}
		$whole = abs( $amount - round( $amount ) ) < 0.005;
		return trim( html_entity_decode( wp_strip_all_tags( wc_price( $amount, array( 'decimals' => $whole ? 0 : wc_get_price_decimals() ) ) ), ENT_QUOTES, 'UTF-8' ) );
	}

	
	private static function card( WP_Post $post, array $blocks, $family ) {
		$tagline = trim( (string) get_post_meta( $post->ID, self::META_TAGLINE, true ) );
		$cta     = get_post_meta( $post->ID, self::META_CTA, true );
		$html    = '<div class="rooster-mega__card">' . self::art( $post, $blocks, $family )
			. '<p class="rooster-mega__name">' . esc_html( (string) $post->post_title ) . '</p>'
			. ( '' !== $tagline ? '<p class="rooster-mega__tagline">' . esc_html( $tagline ) . '</p>' : '' );
		if ( is_array( $cta ) && ! empty( $cta['url'] ) && ! empty( $cta['label'] ) ) {
			$html .= '<a class="rooster-mega__cta" href="' . esc_url( (string) $cta['url'] ) . '">' . esc_html( (string) $cta['label'] ) . '<span class="rooster-mega__cta-icon" aria-hidden="true"></span></a>';
		}
		return $html . '</div>';
	}

	
	private static function art( WP_Post $post, array $blocks, $family, $tag = 'div' ) {
		$image_id = (int) get_post_meta( $post->ID, self::META_IMAGE, true );
		foreach ( $blocks as $block ) {
			if ( ! $image_id && ! empty( $block['attrs']['roosterImage'] ) ) {
				$image_id = (int) $block['attrs']['roosterImage'];
			}
		}
		if ( $image_id > 0 ) {
			$image = wp_get_attachment_image( $image_id, 'medium', false, array( 'class' => 'rooster-mega__art', 'alt' => '', 'loading' => 'lazy', 'decoding' => 'async', 'sizes' => '(min-width: 64rem) 18rem, 80vw' ) );
			if ( '' !== $image ) {
				return $image;
			}
		}
		if ( '' === $family || ! class_exists( 'WP_Block_Patterns_Registry' ) ) {
			return '';
		}
		
		$name    = (string) apply_filters( 'rooster/menu/motif_pattern', 'rooster-site/motif-' . $family, $family, $post );
		$pattern = '' !== $name ? WP_Block_Patterns_Registry::get_instance()->get_registered( $name ) : null;
		if ( empty( $pattern['content'] ) ) {
			return '';
		}
		$art = trim( (string) do_blocks( (string) $pattern['content'] ) );
		return '' !== $art ? '<' . $tag . ' class="rooster-mega__art" aria-hidden="true">' . $art . '</' . $tag . '>' : '';
	}

	
	private static function item( array $block, $tree = false ) {
		$label = trim( (string) ( $block['attrs']['label'] ?? '' ) );
		$url   = (string) ( $block['attrs']['url'] ?? '' );
		if ( '' === $label || '' === $url ) {
			return '';
		}
		$icon  = sanitize_key( (string) ( $block['attrs']['roosterIcon'] ?? '' ) );
		$badge = trim( (string) ( $block['attrs']['roosterBadge'] ?? '' ) );
		$desc  = trim( (string) ( $block['attrs']['description'] ?? '' ) );
		$attrs = self::link_attributes( $block );
		$glyph = '' !== $icon && function_exists( 'rooster_has_icon' ) && rooster_has_icon( $icon ) ? rooster_icon( $icon, array( 'class' => 'rooster-mega__icon', 'width' => 16, 'height' => 16 ) ) : '';
		$under = '';
		if ( $tree && 'core/navigation-submenu' === ( $block['blockName'] ?? '' ) ) {
			foreach ( self::entries( $block ) as $child ) {
				$under .= self::item( $child );
			}
			if ( '' !== $under ) {
				$under = '<ul class="rooster-mega__list rooster-mega__sublist">' . $under . '</ul>';
			}
		}
		$html  = '<li class="rooster-mega__item' . ( '' !== $under ? ' has-children' : '' ) . '"><a class="rooster-mega__entry' . ( '' !== $desc ? ' has-desc' : '' ) . '"' . $attrs . '>'
			
			
			. '<span class="rooster-mega__label">' . $glyph . '<span class="rooster-mega__words">' . esc_html( $label ) . '</span>' . ( '' !== $badge ? ' <span class="rooster-mega__badge">' . esc_html( $badge ) . '</span>' : '' ) . '</span>';
		if ( '' !== $desc ) {
			$html .= '<span class="rooster-mega__desc">' . esc_html( $desc ) . '</span>';
		}
		return $html . '</a>' . $under . '</li>';
	}

	

	
	public static function phone( WP_Post $post, array $blocks, $head = true ) {
		$thumb   = $head ? self::art( $post, $blocks, self::family( $post ), 'span' ) : '';
		$summary = '' !== $thumb ? '<span class="rooster-mega__thumb" aria-hidden="true">' . $thumb . '</span>' : '';
		if ( $head ) {
			$tagline  = trim( (string) get_post_meta( $post->ID, self::META_TAGLINE, true ) );
			$summary .= '<span class="rooster-mega__acc-title"><span class="rooster-mega__acc-name">' . esc_html( (string) $post->post_title ) . '</span>'
				. ( '' !== $tagline ? '<span class="rooster-mega__acc-tagline">' . esc_html( wp_trim_words( $tagline, 9 ) ) . '</span>' : '' ) . '</span>';
		} else {
			$label    = (string) ( $blocks[0]['attrs']['label'] ?? '' );
			$summary .= '<span class="rooster-mega__acc-title"><span class="rooster-mega__acc-name">' . esc_html( $label ) . '</span></span>';
		}
		$summary .= '<span class="rooster-mega__chevron" aria-hidden="true"></span>';

		$columns = array();
		$loose   = array();
		foreach ( $blocks as $block ) {
			if ( 'core/navigation-submenu' === $block['blockName'] && $head ) {
				$columns[] = $block;
			} elseif ( 'core/navigation-submenu' === $block['blockName'] ) {
				foreach ( (array) $block['innerBlocks'] as $inner ) {
					
					$under = '' === trim( (string) ( $inner['attrs']['url'] ?? '' ) ) ? self::entries( (array) $inner ) : array();
					$loose = array_merge( $loose, $under ? $under : array( $inner ) );
				}
			} else {
				$loose[] = $block;
			}
		}
		$rows = static function ( array $items ) {
			$out = '';
			foreach ( $items as $item ) {
				$out .= self::drawer_link( $item, 'rooster-mega__drawer-row', true );
			}
			return '' !== $out ? '<ul class="rooster-mega__drawer-rows">' . $out . '</ul>' : '';
		};
		$body = '';
		foreach ( $columns as $n => $column ) {
			$items = (array) $column['innerBlocks'];
			if ( 0 === $n ) {
				$body .= $rows( $items );
				continue;
			}
			$first = $items[0] ?? array();
			if ( $n === count( $columns ) - 1 && $n > 0 && '' !== (string) ( $first['attrs']['roosterIcon'] ?? '' ) && ! empty( $first['attrs']['url'] ) ) {
				
				$text  = sprintf( __( '%s documentation', 'ai-eshop-optimizer' ), (string) $post->post_title );
				$body .= self::drawer_link( array( 'attrs' => array( 'label' => $text ) + (array) $first['attrs'] ), 'rooster-mega__drawer-docs', false );
				continue;
			}
			$head = '<p class="rooster-mega__drawer-head">' . esc_html( (string) ( $column['attrs']['label'] ?? '' ) ) . '</p>';
			if ( $items && ! array_filter( $items, static fn ( $item ) => '' === trim( (string) ( $item['attrs']['description'] ?? '' ) ) ) ) {
				
				
				$links = '';
				foreach ( $items as $item ) {
					$links .= self::drawer_link( $item, 'rooster-mega__drawer-row has-note', true, false, true );
				}
				$body .= $head . '<ul class="rooster-mega__drawer-rows">' . $links . '</ul>';
				continue;
			}
			$links = '';
			foreach ( $items as $item ) {
				$links .= self::drawer_link( $item, 'rooster-mega__drawer-link', false, false );
			}
			$body .= $head . '<ul class="rooster-mega__drawer-grid">' . $links . '</ul>';
		}
		$body .= $rows( $loose );
		return array(
			'summary' => $summary,
			'drawer'  => '<div class="rooster-mega__drawer' . ( '' !== $thumb ? ' has-thumb' : '' ) . '">' . $body . '</div>',
			'levels'  => self::levels( $head ? $blocks : self::entries( (array) ( $blocks[0] ?? array() ) ) ),
		);
	}

	
	public static function levels( array $items ) {
		$rows = '';
		foreach ( $items as $item ) {
			$name = (string) ( $item['blockName'] ?? '' );
			if ( ! in_array( $name, array( 'core/navigation-link', 'core/navigation-submenu' ), true ) ) {
				continue;
			}
			$label = trim( (string) ( $item['attrs']['label'] ?? '' ) );
			if ( '' === $label ) {
				continue;
			}
			$next = 'core/navigation-submenu' === $name ? self::levels( self::entries( $item ) ) : '';
			$link = self::drawer_link( $item, 'rooster-mega__drawer-row', true, true, false, true );
			if ( '' === $link ) {
				if ( '' === $next ) {
					continue;
				}
				$link = '<span class="rooster-mega__drawer-row">' . esc_html( $label ) . '</span>'; 
			}
			if ( '' === $next ) {
				$rows .= '<li class="rooster-mega__lv-row">' . $link . '</li>';
				continue;
			}
			
			$show  = sprintf( __( 'Show %s', 'ai-eshop-optimizer' ), $label );
			$rows .= '<li class="rooster-mega__lv-row has-level">' . $link
				. '<button type="button" class="rooster-mega__drill" aria-expanded="false" aria-label="' . esc_attr( $show ) . '" data-show="' . esc_attr( $show ) . '"><span class="rooster-mega__chevron" aria-hidden="true"></span></button>'
				. '<div class="rooster-mega__lv">' . $next . '</div></li>';
		}
		return '' !== $rows ? '<ul class="rooster-mega__lv-rows">' . $rows . '</ul>' : '';
	}

	
	private static function drawer_link( array $block, $class, $badge, $icon = true, $note = false, $bare = false ) {
		$label = trim( (string) ( $block['attrs']['label'] ?? '' ) );
		$url   = (string) ( $block['attrs']['url'] ?? '' );
		if ( '' === $label || '' === $url ) {
			return '';
		}
		$attrs = ' href="' . esc_url( $url ) . '"' . ( ! empty( $block['attrs']['opensInNewTab'] ) ? ' target="_blank" rel="noreferrer noopener"' : '' );
		$slug  = sanitize_key( (string) ( $block['attrs']['roosterIcon'] ?? '' ) );
		$glyph = $icon && '' !== $slug && function_exists( 'rooster_has_icon' ) && rooster_has_icon( $slug ) ? rooster_icon( $slug, array( 'class' => 'rooster-mega__icon', 'width' => 16, 'height' => 16 ) ) : '';
		$text  = trim( (string) ( $block['attrs']['roosterBadge'] ?? '' ) );
		$name  = esc_html( $label ) . ( $badge && '' !== $text ? ' <span class="rooster-mega__badge">' . esc_html( $text ) . '</span>' : '' );
		$desc  = $note ? trim( (string) ( $block['attrs']['description'] ?? '' ) ) : '';
		if ( '' !== $desc ) {
			$name = '<span class="rooster-mega__drawer-text"><span class="rooster-mega__drawer-name">' . $name . '</span><span class="rooster-mega__drawer-note">' . esc_html( $desc ) . '</span></span>';
		}
		$html  = '<a class="' . esc_attr( $class ) . '"' . $attrs . '>' . $glyph . $name . '</a>';
		return $bare || 'rooster-mega__drawer-docs' === $class ? $html : '<li>' . $html . '</li>';
	}

	

	
	public static function post( $slug ) {
		$slug = sanitize_title( (string) $slug );
		if ( '' === $slug ) {
			return null;
		}
		$posts = get_posts( array( 'post_type' => 'wp_navigation', 'post_status' => 'publish', 'name' => $slug, 'posts_per_page' => 1, 'no_found_rows' => true ) );
		return $posts ? $posts[0] : null;
	}

	
	public static function families( array $slugs ) {
		$out = array();
		foreach ( $slugs as $slug ) {
			$post = self::post( $slug );
			if ( $post ) {
				$family = self::family( $post );
				$out[ '' !== $family ? $family : $post->post_name ] = $post;
			}
		}
		return $out;
	}
}