<?php
/**
 * Disable oembed.
 *
 * @package OvanapAdminToolkit
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

return array(
	'key'      => 'disable_oembed',
	'title'    => 'Disable oEmbed',
	'desc'     => 'Remove oEmbed discovery links, the oEmbed REST routes and wp-embed.js',
	'icon'     => 'x',
	'help'     => 'Other WordPress sites can show your posts as embedded cards by reading the oEmbed links in your pages. This removes those links and the /wp-json/oembed/ routes, stops WordPress from looking up oEmbed data for addresses that are not on its built-in provider list, and stops loading wp-embed.js. YouTube, Vimeo and other built-in provider embeds already in your posts still display. Adding a new embed in the block editor may fail, because the editor previews embeds through the oEmbed route this removes. The /embed/ version of each post still exists.',
	'before'   => 'oEmbed discovery links in the page head and the oEmbed API active',
	'after'    => 'Links and API removed. Existing YouTube and Vimeo embeds still display.',
	'benefit'  => 'Useful if you do not want other sites to embed your posts as cards. The speed gain is small: the discovery links are two short tags on posts and pages, and WordPress only loads wp-embed.js (about 1 KB) on pages that contain an embedded WordPress post.',
	'level'    => 'standard',
	'audience' => 'everyone',
	'priority' => 5,
	'detect'   => function () {
		return array(
			'detected' => true,
			'message'  => 'oEmbed discovery and wp-embed.js loaded on every page',
			'safe'     => true,
			'savings'  => 'Discovery links + embed script',
		);
	},
	'callback' => function () {
		add_action(
			'init',
			function () {
				remove_action( 'rest_api_init', 'wp_oembed_register_route' );
				add_filter( 'embed_oembed_discover', '__return_false' );
				remove_filter( 'oembed_dataparse', 'wp_filter_oembed_result', 10 );
				remove_action( 'wp_head', 'wp_oembed_add_discovery_links' );
				remove_action( 'wp_head', 'wp_oembed_add_host_js' );
				add_filter(
					'tiny_mce_plugins',
					function ( $plugins ) {
						return array_diff( $plugins, array( 'wpembed' ) );
					}
				);
			},
			9999
		);
		add_action(
			'wp_footer',
			function () {
				wp_dequeue_script( 'wp-embed' );
			}
		);
	},
);