<?php

/**

 * Block Editor API.

 *

 * @package WordPress

 * @subpackage Editor

 * @since 5.8.0

 */

/**

 * Returns the list of default categories for block types.

 *

 * @since 5.8.0

 *

 * @return array[] Array of categories for block types.

 */

function get_default_block_categories() {

	return array(

		array(

			'slug'  => 'text',

			'title' => _x( 'Text', 'block category' ),

			'icon'  => null,

		),

		array(

			'slug'  => 'media',

			'title' => _x( 'Media', 'block category' ),

			'icon'  => null,

		),

		array(

			'slug'  => 'design',

			'title' => _x( 'Design', 'block category' ),

			'icon'  => null,

		),

		array(

			'slug'  => 'widgets',

			'title' => _x( 'Widgets', 'block category' ),

			'icon'  => null,

		),

		array(

			'slug'  => 'theme',

			'title' => _x( 'Theme', 'block category' ),

			'icon'  => null,

		),

		array(

			'slug'  => 'embed',

			'title' => _x( 'Embeds', 'block category' ),

			'icon'  => null,

		),

		array(

			'slug'  => 'reusable',

			'icon'  => null,

		),

	);

}

/**

 * Returns all the categories for block types that will be shown in the block editor.

 *

 * @since 5.0.0

 * @since 5.8.0 It is possible to pass the block editor context as param.

 *

 * @param WP_Post|WP_Block_Editor_Context $post_or_block_editor_context The current post object or

 *                                                                      the block editor context.

 *

 * @return array[] Array of categories for block types.

 */

function get_block_categories( $post_or_block_editor_context ) {

	$block_categories     = get_default_block_categories();

	$block_editor_context = $post_or_block_editor_context instanceof WP_Post ?

		new WP_Block_Editor_Context(

			array(

				'post' => $post_or_block_editor_context,

			)

		) : $post_or_block_editor_context;

	/**

	 * Filters the default array of categories for block types.

	 *

	 * @since 5.8.0

	 *

	 * @param array[]                 $block_categories     Array of categories for block types.

	 * @param WP_Block_Editor_Context $block_editor_context The current block editor context.

	 */

	$block_categories = apply_filters( 'block_categories_all', $block_categories, $block_editor_context );

	if ( ! empty( $block_editor_context->post ) ) {

		$post = $block_editor_context->post;

		/**

		 * Filters the default array of categories for block types.

		 *

		 * @since 5.0.0

		 * @deprecated 5.8.0 Use the {@see 'block_categories_all'} filter instead.

		 *

		 * @param array[] $block_categories Array of categories for block types.

		 * @param WP_Post $post             Post being loaded.

		 */

		$block_categories = apply_filters_deprecated( 'block_categories', array( $block_categories, $post ), '5.8.0', 'block_categories_all' );

	}

	return $block_categories;

}

/**

 * Gets the list of allowed block types to use in the block editor.

 *

 * @since 5.8.0

 *

 * @param WP_Block_Editor_Context $block_editor_context The current block editor context.

 *

 * @return bool|string[] Array of block type slugs, or boolean to enable/disable all.

 */

function get_allowed_block_types( $block_editor_context ) {

	$allowed_block_types = true;

	/**

	 * Filters the allowed block types for all editor types.

	 *

	 * @since 5.8.0

	 *

	 * @param bool|string[]           $allowed_block_types  Array of block type slugs, or boolean to enable/disable all.

	 *                                                      Default true (all registered block types supported).

	 * @param WP_Block_Editor_Context $block_editor_context The current block editor context.

	 */

	$allowed_block_types = apply_filters( 'allowed_block_types_all', $allowed_block_types, $block_editor_context );

	if ( ! empty( $block_editor_context->post ) ) {

		$post = $block_editor_context->post;

		/**

		 * Filters the allowed block types for the editor.

		 *

		 * @since 5.0.0

		 * @deprecated 5.8.0 Use the {@see 'allowed_block_types_all'} filter instead.

		 *

		 * @param bool|string[] $allowed_block_types Array of block type slugs, or boolean to enable/disable all.

		 *                                           Default true (all registered block types supported)

		 * @param WP_Post       $post                The post resource data.

		 */

		$allowed_block_types = apply_filters_deprecated( 'allowed_block_types', array( $allowed_block_types, $post ), '5.8.0', 'allowed_block_types_all' );

	}

	return $allowed_block_types;

}

/**

 * Returns the default block editor settings.

 *

 * @since 5.8.0

 *

 * @return array The default block editor settings.

 */

function get_default_block_editor_settings() {

	// Media settings.

	}

	/** This filter is documented in wp-admin/includes/media.php */

	$image_size_names = apply_filters(

		'image_size_names_choose',

		array(

			'thumbnail' => __( 'Thumbnail' ),

			'medium'    => __( 'Medium' ),

			'large'     => __( 'Large' ),

			'full'      => __( 'Full Size' ),

		)

	);

	$available_image_sizes = array();

	foreach ( $image_size_names as $image_size_slug => $image_size_name ) {

		$available_image_sizes[] = array(

			'slug' => $image_size_slug,

			'name' => $image_size_name,

		);

	}

	$default_size       = get_option( 'image_default_size', 'large' );

	$image_default_size = in_array( $default_size, array_keys( $image_size_names ), true ) ? $default_size : 'large';

	$image_dimensions = array();

	$all_sizes        = wp_get_registered_image_subsizes();

	foreach ( $available_image_sizes as $size ) {

		$key = $size['slug'];

		if ( isset( $all_sizes[ $key ] ) ) {

			$image_dimensions[ $key ] = $all_sizes[ $key ];

		}

	}

	// These styles are used if the "no theme styles" options is triggered or on

	// themes without their own editor styles.

	$default_editor_styles_file = ABSPATH . WPINC . '/css/dist/block-editor/default-editor-styles.css';

		$default_editor_styles = array(

		);

	}

	$editor_settings = array(

		'alignWide'                        => get_theme_support( 'align-wide' ),

		'allowedBlockTypes'                => true,

		'allowedMimeTypes'                 => get_allowed_mime_types(),

		'defaultEditorStyles'              => $default_editor_styles,

		'blockCategories'                  => get_default_block_categories(),

		'isRTL'                            => is_rtl(),

		'imageDefaultSize'                 => $image_default_size,

		'imageDimensions'                  => $image_dimensions,

		'imageEditing'                     => true,

		'imageSizes'                       => $available_image_sizes,

		'maxUploadFileSize'                => $max_upload_size,

		// The following flag is required to enable the new Gallery block format on the mobile apps in 5.9.

		'__unstableGalleryWithImageBlocks' => true,

	);

	}

	return $editor_settings;

}

/**

 * Returns the block editor settings needed to use the Legacy Widget block which

 * is not registered by default.

 *

 * @since 5.8.0

 *

 * @return array Settings to be used with get_block_editor_settings().

 */

function get_legacy_widget_block_editor_settings() {

	$editor_settings = array();

	/**

	 * Filters the list of widget-type IDs that should **not** be offered by the

	 * Legacy Widget block.

	 *

	 * Returning an empty array will make all widgets available.

	 *

	 * @since 5.8.0

	 *

	 * @param string[] $widgets An array of excluded widget-type IDs.

	 */

	$editor_settings['widgetTypesToHideFromLegacyWidgetBlock'] = apply_filters(

		'widget_types_to_hide_from_legacy_widget_block',

		array(

			'pages',

			'calendar',

			'archives',

			'media_audio',

			'media_image',

			'media_gallery',

			'media_video',

			'search',

			'text',

			'categories',

			'recent-posts',

			'recent-comments',

			'rss',

			'tag_cloud',

			'custom_html',

			'block',

		)

	);

	return $editor_settings;

}

/**

 * Collect the block editor assets that need to be loaded into the editor's iframe.

 *

 * @since 6.0.0

 * @access private

 *

 *

 * @return array {

 *     The block editor assets.

 *

 *     @type string|false $styles  String containing the HTML for styles.

 *     @type string|false $scripts String containing the HTML for scripts.

 * }

 */

function _wp_get_iframed_editor_assets() {

	if ( current_theme_supports( 'wp-block-styles' ) ) {

	}

	$block_registry = WP_Block_Type_Registry::get_instance();

	foreach ( $block_registry->get_all_registered() as $block_type ) {

		}

	}

	ob_start();

	$styles = ob_get_clean();

	ob_start();

	return array(

		'styles'  => $styles,

		'scripts' => $scripts,

	);

}

/**