<?php



#[AllowDynamicProperties]
class WP_Theme_JSON_Resolver {

	
	protected static $blocks_cache = array(
		'core'   => array(),
		'blocks' => array(),
		'theme'  => array(),
		'user'   => array(),
	);

	
	protected static $core = null;

	
	protected static $blocks = null;

	
	protected static $theme = null;

	
	protected static $user = null;

	
	protected static $user_custom_post_type_id = null;

	
	protected static $i18n_schema = null;

	
	protected static $theme_json_file_cache = array();

	
	protected static function read_json_file( $file_path ) {
		if ( $file_path ) {
			if ( array_key_exists( $file_path, static::$theme_json_file_cache ) ) {
				return static::$theme_json_file_cache[ $file_path ];
			}

			$decoded_file = wp_json_file_decode( $file_path, array( 'associative' => true ) );
			if ( is_array( $decoded_file ) ) {
				static::$theme_json_file_cache[ $file_path ] = $decoded_file;
				return static::$theme_json_file_cache[ $file_path ];
			}
		}

		return array();
	}

	
	public static function get_fields_to_translate() {
		_deprecated_function( __METHOD__, '5.9.0' );
		return array();
	}

	
	protected static function translate( $theme_json, $domain = 'default' ) {
		if ( null === static::$i18n_schema ) {
			$i18n_schema         = wp_json_file_decode( __DIR__ . '/theme-i18n.json' );
			static::$i18n_schema = null === $i18n_schema ? array() : $i18n_schema;
		}

		return translate_settings_using_i18n_schema( static::$i18n_schema, $theme_json, $domain );
	}

	
	public static function get_core_data() {
		if ( null !== static::$core && static::has_same_registered_blocks( 'core' ) ) {
			return static::$core;
		}

		$config = static::read_json_file( __DIR__ . '/theme.json' );
		$config = static::translate( $config );

		
		$theme_json = apply_filters( 'wp_theme_json_data_default', new WP_Theme_JSON_Data( $config, 'default' ) );

		/*
		 * Backward compatibility for extenders returning a WP_Theme_JSON_Data
		 * compatible class that is not a WP_Theme_JSON_Data object.
		 */
		if ( $theme_json instanceof WP_Theme_JSON_Data ) {
			static::$core = $theme_json->get_theme_json();
		} else {
			$config       = $theme_json->get_data();
			static::$core = new WP_Theme_JSON( $config, 'default' );
		}

		return static::$core;
	}

	
	protected static function has_same_registered_blocks( $origin ) {
		// Bail out if the origin is invalid.
		if ( ! isset( static::$blocks_cache[ $origin ] ) ) {
			return false;
		}

		$registry = WP_Block_Type_Registry::get_instance();
		$blocks   = $registry->get_all_registered();

		// Is there metadata for all currently registered blocks?
		$block_diff = array_diff_key( $blocks, static::$blocks_cache[ $origin ] );
		if ( empty( $block_diff ) ) {
			return true;
		}

		foreach ( $blocks as $block_name => $block_type ) {
			static::$blocks_cache[ $origin ][ $block_name ] = true;
		}

		return false;
	}

	
	public static function get_theme_data( $deprecated = array(), $options = array() ) {
		if ( ! empty( $deprecated ) ) {
			_deprecated_argument( __METHOD__, '5.9.0' );
		}

		$options = wp_parse_args( $options, array( 'with_supports' => true ) );

		if ( null === static::$theme || ! static::has_same_registered_blocks( 'theme' ) ) {
			$wp_theme        = wp_get_theme();
			$theme_json_file = $wp_theme->get_file_path( 'theme.json' );
			if ( is_readable( $theme_json_file ) ) {
				$theme_json_data = static::read_json_file( $theme_json_file );
				$theme_json_data = static::translate( $theme_json_data, $wp_theme->get( 'TextDomain' ) );
			} else {
				$theme_json_data = array( 'version' => WP_Theme_JSON::LATEST_SCHEMA );
			}

			/*
			 * Register variations defined by theme partials (theme.json files in the styles directory).
			 * This is required so the variations pass sanitization of theme.json data.
			 */
			$variations = static::get_style_variations( 'block' );
			wp_register_block_style_variations_from_theme_json_partials( $variations );

			/*
			 * Source variations from the block registry and block style variation files. Then, merge them into the existing theme.json data.
			 *
			 * In case the same style properties are defined in several sources, this is how we should resolve the values,
			 * from higher to lower priority:
			 *
			 * - styles.blocks.blockType.variations from theme.json
			 * - styles.variations from theme.json
			 * - variations from block style variation files
			 * - variations from block styles registry
			 *
			 * See test_add_registered_block_styles_to_theme_data and test_unwraps_block_style_variations.
			 *
			 */
			$theme_json_data = static::inject_variations_from_block_style_variation_files( $theme_json_data, $variations );
			$theme_json_data = static::inject_variations_from_block_styles_registry( $theme_json_data );

			
			$theme_json = apply_filters( 'wp_theme_json_data_theme', new WP_Theme_JSON_Data( $theme_json_data, 'theme' ) );

			/*
			 * Backward compatibility for extenders returning a WP_Theme_JSON_Data
			 * compatible class that is not a WP_Theme_JSON_Data object.
			 */
			if ( $theme_json instanceof WP_Theme_JSON_Data ) {
				static::$theme = $theme_json->get_theme_json();
			} else {
				$config        = $theme_json->get_data();
				static::$theme = new WP_Theme_JSON( $config );
			}

			if ( $wp_theme->parent() ) {
				// Get parent theme.json.
				$parent_theme_json_file = $wp_theme->parent()->get_file_path( 'theme.json' );
				if ( $theme_json_file !== $parent_theme_json_file && is_readable( $parent_theme_json_file ) ) {
					$parent_theme_json_data = static::read_json_file( $parent_theme_json_file );
					$parent_theme_json_data = static::translate( $parent_theme_json_data, $wp_theme->parent()->get( 'TextDomain' ) );
					$parent_theme           = new WP_Theme_JSON( $parent_theme_json_data );

					/*
					 * Merge the child theme.json into the parent theme.json.
					 * The child theme takes precedence over the parent.
					 */
					$parent_theme->merge( static::$theme );
					static::$theme = $parent_theme;
				}
			}
		}

		if ( ! $options['with_supports'] ) {
			return static::$theme;
		}

		/*
		 * We want the presets and settings declared in theme.json
		 * to override the ones declared via theme supports.
		 * So we take theme supports, transform it to theme.json shape
		 * and merge the static::$theme upon that.
		 */
		$theme_support_data = WP_Theme_JSON::get_from_editor_settings( get_classic_theme_supports_block_editor_settings() );
		if ( ! wp_theme_has_theme_json() ) {
			/*
			 * Unlike block themes, classic themes without a theme.json disable
			 * default presets when custom preset theme support is added. This
			 * behavior can be overridden by using the corresponding default
			 * preset theme support.
			 */
			$theme_support_data['settings']['color']['defaultPalette']        =
				! isset( $theme_support_data['settings']['color']['palette'] ) ||
				current_theme_supports( 'default-color-palette' );
			$theme_support_data['settings']['color']['defaultGradients']      =
				! isset( $theme_support_data['settings']['color']['gradients'] ) ||
				current_theme_supports( 'default-gradient-presets' );
			$theme_support_data['settings']['typography']['defaultFontSizes'] =
				! isset( $theme_support_data['settings']['typography']['fontSizes'] ) ||
				current_theme_supports( 'default-font-sizes' );
			$theme_support_data['settings']['spacing']['defaultSpacingSizes'] =
				! isset( $theme_support_data['settings']['spacing']['spacingSizes'] ) ||
				current_theme_supports( 'default-spacing-sizes' );

			/*
			 * Shadow presets are explicitly disabled for classic themes until a
			 * decision is made for whether the default presets should match the
			 * other presets or if they should be disabled by default in classic
			 * themes. See https://github.com/WordPress/gutenberg/issues/59989.
			 */
			$theme_support_data['settings']['shadow']['defaultPresets'] = false;

			// Allow themes to enable link color setting via theme_support.
			if ( current_theme_supports( 'link-color' ) ) {
				$theme_support_data['settings']['color']['link'] = true;
			}

			// Allow themes to enable all border settings via theme_support.
			if ( current_theme_supports( 'border' ) ) {
				$theme_support_data['settings']['border']['color']  = true;
				$theme_support_data['settings']['border']['radius'] = true;
				$theme_support_data['settings']['border']['style']  = true;
				$theme_support_data['settings']['border']['width']  = true;
			}

			// Allow themes to enable appearance tools via theme_support.
			if ( current_theme_supports( 'appearance-tools' ) ) {
				$theme_support_data['settings']['appearanceTools'] = true;
			}
		}
		$with_theme_supports = new WP_Theme_JSON( $theme_support_data );
		$with_theme_supports->merge( static::$theme );
		return $with_theme_supports;
	}

	
	public static function get_block_data() {
		$registry = WP_Block_Type_Registry::get_instance();
		$blocks   = $registry->get_all_registered();

		if ( null !== static::$blocks && static::has_same_registered_blocks( 'blocks' ) ) {
			return static::$blocks;
		}

		$config = array( 'version' => WP_Theme_JSON::LATEST_SCHEMA );
		foreach ( $blocks as $block_name => $block_type ) {
			if ( isset( $block_type->supports['__experimentalStyle'] ) ) {
				$config['styles']['blocks'][ $block_name ] = static::remove_json_comments( $block_type->supports['__experimentalStyle'] );
			}

			if (
				isset( $block_type->supports['spacing']['blockGap']['__experimentalDefault'] ) &&
				! isset( $config['styles']['blocks'][ $block_name ]['spacing']['blockGap'] )
			) {
				/*
				 * Ensure an empty placeholder value exists for the block, if it provides a default blockGap value.
				 * The real blockGap value to be used will be determined when the styles are rendered for output.
				 */
				$config['styles']['blocks'][ $block_name ]['spacing']['blockGap'] = null;
			}
		}

		
		$theme_json = apply_filters( 'wp_theme_json_data_blocks', new WP_Theme_JSON_Data( $config, 'blocks' ) );

		/*
		 * Backward compatibility for extenders returning a WP_Theme_JSON_Data
		 * compatible class that is not a WP_Theme_JSON_Data object.
		 */
		if ( $theme_json instanceof WP_Theme_JSON_Data ) {
			static::$blocks = $theme_json->get_theme_json();
		} else {
			$config         = $theme_json->get_data();
			static::$blocks = new WP_Theme_JSON( $config, 'blocks' );
		}

		return static::$blocks;
	}

	
	private static function remove_json_comments( $input_array ) {
		unset( $input_array['//'] );
		foreach ( $input_array as $k => $v ) {
			if ( is_array( $v ) ) {
				$input_array[ $k ] = static::remove_json_comments( $v );
			}
		}

		return $input_array;
	}

	
	public static function get_user_data_from_wp_global_styles( $theme, $create_post = false, $post_status_filter = array( 'publish' ) ) {
		if ( ! $theme instanceof WP_Theme ) {
			$theme = wp_get_theme();
		}

		/*
		 * Bail early if the theme does not support a theme.json.
		 *
		 * Since wp_theme_has_theme_json() only supports the active
		 * theme, the extra condition for whether $theme is the active theme is
		 * present here.
		 */
		if ( $theme->get_stylesheet() === get_stylesheet() && ! wp_theme_has_theme_json() ) {
			return array();
		}

		$user_cpt         = array();
		$post_type_filter = 'wp_global_styles';
		$stylesheet       = $theme->get_stylesheet();
		$args             = array(
			'posts_per_page'         => 1,
			'orderby'                => 'date',
			'order'                  => 'desc',
			'post_type'              => $post_type_filter,
			'post_status'            => $post_status_filter,
			'ignore_sticky_posts'    => true,
			'no_found_rows'          => true,
			'update_post_meta_cache' => false,
			'update_post_term_cache' => false,
			'tax_query'              => array(
				array(
					'taxonomy' => 'wp_theme',
					'field'    => 'name',
					'terms'    => $stylesheet,
				),
			),
		);

		$global_style_query = new WP_Query();
		$recent_posts       = $global_style_query->query( $args );
		if ( count( $recent_posts ) === 1 ) {
			$user_cpt = get_object_vars( $recent_posts[0] );
		} elseif ( $create_post ) {
			$cpt_post_id = wp_insert_post(
				array(
					'post_content' => '{"version": ' . WP_Theme_JSON::LATEST_SCHEMA . ', "isGlobalStylesUserThemeJSON": true }',
					'post_status'  => 'publish',
					'post_title'   => 'Custom Styles', // Do not make string translatable, see https://core.trac.wordpress.org/ticket/54518.
					'post_type'    => $post_type_filter,
					'post_name'    => sprintf( 'wp-global-styles-%s', urlencode( $stylesheet ) ),
					'tax_input'    => array(
						'wp_theme' => array( $stylesheet ),
					),
				),
				true
			);
			if ( ! is_wp_error( $cpt_post_id ) ) {
				$user_cpt = get_object_vars( get_post( $cpt_post_id ) );
			}
		}

		return $user_cpt;
	}

	
	public static function get_user_data() {
		if ( null !== static::$user && static::has_same_registered_blocks( 'user' ) ) {
			return static::$user;
		}

		$config   = array();
		$user_cpt = static::get_user_data_from_wp_global_styles( wp_get_theme() );

		if ( array_key_exists( 'post_content', $user_cpt ) ) {
			$decoded_data = json_decode( $user_cpt['post_content'], true );

			$json_decoding_error = json_last_error();
			if ( JSON_ERROR_NONE !== $json_decoding_error ) {
				wp_trigger_error( __METHOD__, 'Error when decoding a theme.json schema for user data. ' . json_last_error_msg() );
				
				$theme_json = apply_filters( 'wp_theme_json_data_user', new WP_Theme_JSON_Data( $config, 'custom' ) );

				/*
				 * Backward compatibility for extenders returning a WP_Theme_JSON_Data
				 * compatible class that is not a WP_Theme_JSON_Data object.
				 */
				if ( $theme_json instanceof WP_Theme_JSON_Data ) {
					return $theme_json->get_theme_json();
				} else {
					$config = $theme_json->get_data();
					return new WP_Theme_JSON( $config, 'custom' );
				}
			}

			/*
			 * Very important to verify that the flag isGlobalStylesUserThemeJSON is true.
			 * If it's not true then the content was not escaped and is not safe.
			 */
			if (
				is_array( $decoded_data ) &&
				isset( $decoded_data['isGlobalStylesUserThemeJSON'] ) &&
				$decoded_data['isGlobalStylesUserThemeJSON']
			) {
				unset( $decoded_data['isGlobalStylesUserThemeJSON'] );
				$config = $decoded_data;
			}
		}

		
		$theme_json = apply_filters( 'wp_theme_json_data_user', new WP_Theme_JSON_Data( $config, 'custom' ) );

		/*
		 * Backward compatibility for extenders returning a WP_Theme_JSON_Data
		 * compatible class that is not a WP_Theme_JSON_Data object.
		 */
		if ( $theme_json instanceof WP_Theme_JSON_Data ) {
			static::$user = $theme_json->get_theme_json();
		} else {
			$config       = $theme_json->get_data();
			static::$user = new WP_Theme_JSON( $config, 'custom' );
		}

		return static::$user;
	}

	
	public static function get_merged_data( $origin = 'custom' ) {
		if ( is_array( $origin ) ) {
			_deprecated_argument( __FUNCTION__, '5.9.0' );
		}

		$result = new WP_Theme_JSON();
		$result->merge( static::get_core_data() );
		if ( 'default' === $origin ) {
			return $result;
		}

		$result->merge( static::get_block_data() );
		if ( 'blocks' === $origin ) {
			return $result;
		}

		$result->merge( static::get_theme_data() );
		if ( 'theme' === $origin ) {
			return $result;
		}

		$result->merge( static::get_user_data() );

		return $result;
	}

	
	public static function get_user_global_styles_post_id() {
		if ( null !== static::$user_custom_post_type_id ) {
			return static::$user_custom_post_type_id;
		}

		$user_cpt = static::get_user_data_from_wp_global_styles( wp_get_theme(), true );

		if ( array_key_exists( 'ID', $user_cpt ) ) {
			static::$user_custom_post_type_id = $user_cpt['ID'];
		}

		return static::$user_custom_post_type_id;
	}

	
	public static function theme_has_support() {
		_deprecated_function( __METHOD__, '6.2.0', 'wp_theme_has_theme_json()' );

		return wp_theme_has_theme_json();
	}

	
	protected static function get_file_path_from_theme( $file_name, $template = false ) {
		$path      = $template ? get_template_directory() : get_stylesheet_directory();
		$candidate = $path . '/' . $file_name;

		return is_readable( $candidate ) ? $candidate : '';
	}

	
	public static function clean_cached_data() {
		static::$core                     = null;
		static::$blocks                   = null;
		static::$blocks_cache             = array(
			'core'   => array(),
			'blocks' => array(),
			'theme'  => array(),
			'user'   => array(),
		);
		static::$theme                    = null;
		static::$user                     = null;
		static::$user_custom_post_type_id = null;
		static::$i18n_schema              = null;
	}

	
	private static function recursively_iterate_json( $dir ) {
		$nested_files      = new RecursiveIteratorIterator( new RecursiveDirectoryIterator( $dir ) );
		$nested_json_files = iterator_to_array( new RegexIterator( $nested_files, '/^.+\.json$/i', RecursiveRegexIterator::GET_MATCH ) );
		return $nested_json_files;
	}

	
	private static function style_variation_has_scope( $variation, $scope ) {
		if ( 'block' === $scope ) {
			return isset( $variation['blockTypes'] );
		}

		if ( 'theme' === $scope ) {
			return ! isset( $variation['blockTypes'] );
		}

		return false;
	}

	
	public static function get_style_variations( $scope = 'theme' ) {
		$variation_files    = array();
		$variations         = array();
		$base_directory     = get_stylesheet_directory() . '/styles';
		$template_directory = get_template_directory() . '/styles';
		if ( is_dir( $base_directory ) ) {
			$variation_files = static::recursively_iterate_json( $base_directory );
		}
		if ( is_dir( $template_directory ) && $template_directory !== $base_directory ) {
			$variation_files_parent = static::recursively_iterate_json( $template_directory );
			// If the child and parent variation file basename are the same, only include the child theme's.
			foreach ( $variation_files_parent as $parent_path => $parent ) {
				foreach ( $variation_files as $child_path => $child ) {
					if ( basename( $parent_path ) === basename( $child_path ) ) {
						unset( $variation_files_parent[ $parent_path ] );
					}
				}
			}
			$variation_files = array_merge( $variation_files, $variation_files_parent );
		}
		ksort( $variation_files );
		foreach ( $variation_files as $path => $file ) {
			$decoded_file = self::read_json_file( $path );
			if ( is_array( $decoded_file ) && static::style_variation_has_scope( $decoded_file, $scope ) ) {
				$translated = static::translate( $decoded_file, wp_get_theme()->get( 'TextDomain' ) );
				$variation  = ( new WP_Theme_JSON( $translated ) )->get_raw_data();
				if ( empty( $variation['title'] ) ) {
					$variation['title'] = basename( $path, '.json' );
				}
				$variations[] = $variation;
			}
		}
		return $variations;
	}

	
	public static function get_resolved_theme_uris( $theme_json ) {
		$resolved_theme_uris = array();

		if ( ! $theme_json instanceof WP_Theme_JSON ) {
			return $resolved_theme_uris;
		}

		$theme_json_data = $theme_json->get_raw_data();
		/*
		 * The same file convention when registering web fonts.
		 * See: WP_Font_Face_Resolver::to_theme_file_uri.
		 */
		$placeholder = 'file:./';

		// Top level styles.
		$background_image_url = $theme_json_data['styles']['background']['backgroundImage']['url'] ?? null;
		if (
			isset( $background_image_url ) &&
			is_string( $background_image_url ) &&
			// Skip if the src doesn't start with the placeholder, as there's nothing to replace.
			str_starts_with( $background_image_url, $placeholder )
		) {
			$file_type          = wp_check_filetype( $background_image_url );
			$src_url            = str_replace( $placeholder, '', $background_image_url );
			$resolved_theme_uri = array(
				'name'   => $background_image_url,
				'href'   => sanitize_url( get_theme_file_uri( $src_url ) ),
				'target' => 'styles.background.backgroundImage.url',
			);
			if ( isset( $file_type['type'] ) ) {
				$resolved_theme_uri['type'] = $file_type['type'];
			}
			$resolved_theme_uris[] = $resolved_theme_uri;
		}

		// Block styles.
		if ( ! empty( $theme_json_data['styles']['blocks'] ) ) {
			foreach ( $theme_json_data['styles']['blocks'] as $block_name => $block_styles ) {
				if ( ! isset( $block_styles['background']['backgroundImage']['url'] ) ) {
					continue;
				}
				$background_image_url = $block_styles['background']['backgroundImage']['url'];
				if (
					is_string( $background_image_url ) &&
					// Skip if the src doesn't start with the placeholder, as there's nothing to replace.
					str_starts_with( $background_image_url, $placeholder )
				) {
					$file_type          = wp_check_filetype( $background_image_url );
					$src_url            = str_replace( $placeholder, '', $background_image_url );
					$resolved_theme_uri = array(
						'name'   => $background_image_url,
						'href'   => sanitize_url( get_theme_file_uri( $src_url ) ),
						'target' => "styles.blocks.{$block_name}.background.backgroundImage.url",
					);
					if ( isset( $file_type['type'] ) ) {
						$resolved_theme_uri['type'] = $file_type['type'];
					}
					$resolved_theme_uris[] = $resolved_theme_uri;
				}
			}
		}

		return $resolved_theme_uris;
	}

	
	public static function resolve_theme_file_uris( $theme_json ) {
		$resolved_urls = static::get_resolved_theme_uris( $theme_json );
		if ( empty( $resolved_urls ) ) {
			return $theme_json;
		}

		$resolved_theme_json_data = $theme_json->get_raw_data();

		foreach ( $resolved_urls as $resolved_url ) {
			$path = explode( '.', $resolved_url['target'] );
			_wp_array_set( $resolved_theme_json_data, $path, $resolved_url['href'] );
		}

		return new WP_Theme_JSON( $resolved_theme_json_data );
	}

	
	private static function inject_variations_from_block_style_variation_files( $data, $variations ) {
		if ( empty( $variations ) ) {
			return $data;
		}

		foreach ( $variations as $variation ) {
			if ( empty( $variation['styles'] ) || empty( $variation['blockTypes'] ) ) {
				continue;
			}

			$variation_name = $variation['slug'] ?? _wp_to_kebab_case( $variation['title'] );

			foreach ( $variation['blockTypes'] as $block_type ) {
				// First, override partial styles with any top-level styles.
				$top_level_data = $data['styles']['variations'][ $variation_name ] ?? array();
				if ( ! empty( $top_level_data ) ) {
					$variation['styles'] = array_replace_recursive( $variation['styles'], $top_level_data );
				}

				// Then, override styles so far with any block-level styles.
				$block_level_data = $data['styles']['blocks'][ $block_type ]['variations'][ $variation_name ] ?? array();
				if ( ! empty( $block_level_data ) ) {
					$variation['styles'] = array_replace_recursive( $variation['styles'], $block_level_data );
				}

				$path = array( 'styles', 'blocks', $block_type, 'variations', $variation_name );
				_wp_array_set( $data, $path, $variation['styles'] );
			}
		}

		return $data;
	}

	
	private static function inject_variations_from_block_styles_registry( $data ) {
		$registry = WP_Block_Styles_Registry::get_instance();
		$styles   = $registry->get_all_registered();

		foreach ( $styles as $block_type => $variations ) {
			foreach ( $variations as $variation_name => $variation ) {
				if ( empty( $variation['style_data'] ) ) {
					continue;
				}

				// First, override registry styles with any top-level styles.
				$top_level_data = $data['styles']['variations'][ $variation_name ] ?? array();
				if ( ! empty( $top_level_data ) ) {
					$variation['style_data'] = array_replace_recursive( $variation['style_data'], $top_level_data );
				}

				// Then, override styles so far with any block-level styles.
				$block_level_data = $data['styles']['blocks'][ $block_type ]['variations'][ $variation_name ] ?? array();
				if ( ! empty( $block_level_data ) ) {
					$variation['style_data'] = array_replace_recursive( $variation['style_data'], $block_level_data );
				}

				$path = array( 'styles', 'blocks', $block_type, 'variations', $variation_name );
				_wp_array_set( $data, $path, $variation['style_data'] );
			}
		}

		return $data;
	}
}