<?php
/**
 * REST API: WP_REST_Block_Editor_Settings_Controller class
 *
 * @package    WordPress
 * @subpackage REST_API
 */

if ( ! class_exists( 'WP_REST_Block_Editor_Settings_Controller' ) ) {

	/**
	 * Core class used to retrieve the block editor settings via the REST API.
	 *
	 * @see WP_REST_Controller
	 */
	class WP_REST_Block_Editor_Settings_Controller extends WP_REST_Controller {
		/**
		 * Constructs the controller.
		 */
		public function __construct() {
			$this->namespace = 'wp-block-editor/v1';
			$this->rest_base = 'settings';
		}

		/**
		 * Registers the necessary REST API routes.
		 */
		public function register_routes() {
			register_rest_route(
				$this->namespace,
				'/' . $this->rest_base,
				array(
					array(
						'methods'             => WP_REST_Server::READABLE,
						'callback'            => array( $this, 'get_items' ),
						'permission_callback' => array( $this, 'get_items_permissions_check' ),
					),
					'schema' => array( $this, 'get_public_item_schema' ),
				)
			);
		}

		/**
		 * Checks whether a given request has permission to read block editor settings
		 *
		 * @since 5.8.0
		 *
		 * @param WP_REST_Request $request Full details about the request.
		 *
		 * @return WP_Error|bool True if the request has permission, WP_Error object otherwise.
		 */
		public function get_items_permissions_check( $request ) {// phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
			if ( current_user_can( 'edit_posts' ) ) {
				return true;
			}

			foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) {
				if ( current_user_can( $post_type->cap->edit_posts ) ) {
					return true;
				}
			}

			return new WP_Error(
				'rest_cannot_read_block_editor_settings',
				__( 'Sorry, you are not allowed to read the block editor settings.', 'gutenberg' ),
				array( 'status' => rest_authorization_required_code() )
			);
		}

		/**
		 * Returns the block editor's settings
		 *
		 * @since 5.8.0
		 *
		 * @param WP_REST_Request $request Full details about the request.
		 *
		 * @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure.
		 */
		public function get_items( $request ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis
			switch ( $request['context'] ) {
				case 'post-editor':
				default:
					$editor_context_name = 'core/edit-post';
					break;
				case 'widgets-editor':
					$editor_context_name = 'core/edit-widgets';
					break;
				case 'site-editor':
					$editor_context_name = 'core/edit-site';
					break;
				case 'mobile':
					$editor_context_name = 'core/mobile';
					break;
			}

			add_filter( 'block_editor_settings_all', 'gutenberg_get_block_editor_settings_mobile', PHP_INT_MAX );

			$editor_context = new WP_Block_Editor_Context( array( 'name' => $editor_context_name ) );
			$settings       = get_block_editor_settings( array(), $editor_context );

			remove_filter( 'block_editor_settings_all', 'gutenberg_get_block_editor_settings_mobile', PHP_INT_MAX );

			return rest_ensure_response( $settings );
		}

		/**
		 * Retrieves the block editor's settings schema, conforming to JSON Schema.
		 *
		 * @since 5.8.0
		 *
		 * @return array Item schema data.
		 */
		public function get_item_schema() {
			if ( $this->schema ) {
				return $this->add_additional_fields_schema( $this->schema );
			}

			$schema = array(
				'$schema'    => 'http://json-schema.org/draft-04/schema#',
				'title'      => 'block-editor-settings-item',
				'type'       => 'object',
				'properties' => array(
					'__unstableEnableFullSiteEditingBlocks' => array(
						'description' => __( 'Enables experimental Site Editor blocks', 'gutenberg' ),
						'type'        => 'boolean',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'styles'                           => array(
						'description' => __( 'Editor styles', 'gutenberg' ),
						'type'        => 'array',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'supportsTemplateMode'             => array(
						'description' => __( 'Indicates whether the current theme supports block-based templates.', 'gutenberg' ),
						'type'        => 'boolean',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'supportsLayout'                   => array(
						'description' => __( 'Enable/disable layouts support in container blocks.', 'gutenberg' ),
						'type'        => 'boolean',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'widgetTypesToHideFromLegacyWidgetBlock' => array(
						'description' => __( 'Widget types to hide from Legacy Widget block.', 'gutenberg' ),
						'type'        => 'array',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'__experimentalFeatures'           => array(
						'description' => __( 'Settings consolidated from core, theme, and user origins.', 'gutenberg' ),
						'type'        => 'object',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor', 'mobile' ),
					),

					'__experimentalStyles'             => array(
						'description' => __( 'Styles consolidated from core, theme, and user origins.', 'gutenberg' ),
						'type'        => 'object',
						'context'     => array( 'mobile' ),
					),

					'__experimentalEnableQuoteBlockV2' => array(
						'description' => __( 'Whether the V2 of the quote block that uses inner blocks should be enabled.', 'gutenberg' ),
						'type'        => 'boolean',
						'context'     => array( 'mobile' ),
					),

					'__experimentalEnableListBlockV2'  => array(
						'description' => __( 'Whether the V2 of the list block that uses inner blocks should be enabled.', 'gutenberg' ),
						'type'        => 'boolean',
						'context'     => array( 'mobile' ),
					),

					'alignWide'                        => array(
						'description' => __( 'Enable/Disable Wide/Full Alignments.', 'gutenberg' ),
						'type'        => 'boolean',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'allowedBlockTypes'                => array(
						'description' => __( 'List of allowed block types.', 'gutenberg' ),
						'type'        => 'boolean',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'allowedMimeTypes'                 => array(
						'description' => __( 'List of allowed mime types and file extensions.', 'gutenberg' ),
						'type'        => 'object',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'blockCategories'                  => array(
						'description' => __( 'Returns all the categories for block types that will be shown in the block editor.', 'gutenberg' ),
						'type'        => 'array',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'blockInspectorTabs'               => array(
						'description' => __( 'Block inspector tab display overrides.', 'gutenberg' ),
						'type'        => 'object',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'disableCustomColors'              => array(
						'description' => __( 'Disables custom colors.', 'gutenberg' ),
						'type'        => 'boolean',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'disableCustomFontSizes'           => array(
						'description' => __( 'Disables custom font size.', 'gutenberg' ),
						'type'        => 'boolean',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'disableCustomGradients'           => array(
						'description' => __( 'Disables custom font size.', 'gutenberg' ),
						'type'        => 'boolean',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'disableLayoutStyles'              => array(
						'description' => __( 'Disables output of layout styles.', 'gutenberg' ),
						'type'        => 'boolean',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'enableCustomLineHeight'           => array(
						'description' => __( 'Enables custom line height.', 'gutenberg' ),
						'type'        => 'boolean',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'enableCustomSpacing'              => array(
						'description' => __( 'Enables custom spacing.', 'gutenberg' ),
						'type'        => 'boolean',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'enableCustomUnits'                => array(
						'description' => __( 'Enables custom units.', 'gutenberg' ),
						'type'        => 'boolean',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'isRTL'                            => array(
						'description' => __( 'Determines whether the current locale is right-to-left (RTL).', 'gutenberg' ),
						'type'        => 'boolean',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'imageDefaultSize'                 => array(
						'description' => __( 'Default size for images.', 'gutenberg' ),
						'type'        => 'string',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'imageDimensions'                  => array(
						'description' => __( 'Available image dimensions.', 'gutenberg' ),
						'type'        => 'object',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'imageEditing'                     => array(
						'description' => __( 'Determines whether the image editing feature is enabled.', 'gutenberg' ),
						'type'        => 'boolean',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'imageSizes'                       => array(
						'description' => __( 'Available image sizes.', 'gutenberg' ),
						'type'        => 'array',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'maxUploadFileSize'                => array(
						'description' => __( 'Maximum upload size in bytes allowed for the site.', 'gutenberg' ),
						'type'        => 'number',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'colors'                           => array(
						'description' => __( 'Active theme color palette.', 'gutenberg' ),
						'type'        => 'array',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'fontSizes'                        => array(
						'description' => __( 'Active theme font sizes.', 'gutenberg' ),
						'type'        => 'array',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),

					'gradients'                        => array(
						'description' => __( 'Active theme gradients.', 'gutenberg' ),
						'type'        => 'array',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),
					'spacingSizes'                     => array(
						'description' => __( 'Active theme spacing sizes.', 'gutenberg' ),
						'type'        => 'array',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),
					'spacingScale'                     => array(
						'description' => __( 'Active theme spacing scale.', 'gutenberg' ),
						'type'        => 'array',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),
					'disableCustomSpacingSizes'        => array(
						'description' => __( 'Disables custom spacing sizes.', 'gutenberg' ),
						'type'        => 'boolean',
						'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
					),
				),
			);

			$this->schema = $schema;

			return $this->add_additional_fields_schema( $this->schema );
		}
	}
}
