<?php
/**
 * WordPress 7.1 compatibility functions for the Gutenberg
 * editor plugin changes related to REST API.
 *
 * @package gutenberg
 */

/**
 * Registers the View Config REST API routes.
 */
function gutenberg_register_view_config_controller_endpoints() {
	$view_config_controller = new Gutenberg_REST_View_Config_Controller_7_1();
	$view_config_controller->register_routes();
}
add_action( 'rest_api_init', 'gutenberg_register_view_config_controller_endpoints', PHP_INT_MAX );

/**
 * Add the `date` value to the `wp_template` schema.
 *
 * @since 7.1.0 Added 'date' property and response value.
 */
function gutenberg_add_date_wp_template_schema() {
		register_rest_field(
			array( 'wp_template', 'wp_template_part' ),
			'date',
			array(
				'schema'       => array(
					'description' => __( "The date the template was published, in the site's timezone.", 'gutenberg' ),
					'type'        => array( 'string', 'null' ),
					'format'      => 'date-time',
					'context'     => array( 'view', 'edit' ),
					'readonly'    => true,
				),
				'get_callback' => function ( $item ) {
					if ( ! empty( $item['wp_id'] ) ) {
						$post = get_post( $item['wp_id'] );
						if ( $post && isset( $post->post_date ) ) {
							return mysql_to_rfc3339( $post->post_date );
						}
					}
					return null;
				},
			)
		);
}
add_filter( 'rest_api_init', 'gutenberg_add_date_wp_template_schema' );

/**
 * Registers the Icon Collections Registry REST API routes.
 */
function gutenberg_register_icon_collections_controller_endpoints() {
	$icon_collections_controller = new WP_REST_Icon_Collections_Controller();
	$icon_collections_controller->register_routes();
}
add_action( 'rest_api_init', 'gutenberg_register_icon_collections_controller_endpoints' );

/**
 * Overrides the REST controller for the attachment post type to add support
 * for filtering by multiple media types.
 *
 * Only applies if the experimental media processing feature is not enabled,
 * as that feature includes this functionality and more.
 *
 * @param array  $args      Array of arguments for registering a post type.
 * @param string $post_type Post type key.
 * @return array Modified array of arguments.
 */
function gutenberg_override_attachments_rest_controller( $args, $post_type ) {
	if ( 'attachment' === $post_type && ! gutenberg_is_client_side_media_processing_enabled() ) {
		$args['rest_controller_class'] = 'Gutenberg_REST_Attachments_Controller_7_1';
	}
	return $args;
}
add_filter( 'register_post_type_args', 'gutenberg_override_attachments_rest_controller', 10, 2 );

/**
 * Overrides the default REST controller for autosaves to fix real-time
 * collaboration on draft posts.
 *
 * When RTC is enabled, draft autosaves from all users update the post directly
 * instead of creating per-user autosave revisions depending on post lock and
 * assigned author.
 *
 * Only overrides when autosave_rest_controller_class is not explicitly set,
 * i.e. when WP_REST_Autosaves_Controller would be used by default. Post types
 * with their own specialized autosave controller (e.g. templates) are left alone.
 *
 * @param array $args Array of arguments for registering a post type.
 * @return array Modified array of arguments.
 */
function gutenberg_override_autosaves_rest_controller( $args ) {
	if ( empty( $args['autosave_rest_controller_class'] ) ) {
		$args['autosave_rest_controller_class'] = 'Gutenberg_REST_Autosaves_Controller';
	}
	return $args;
}

add_filter( 'register_post_type_args', 'gutenberg_override_autosaves_rest_controller', 10, 1 );