<?php
/**
 * Clears what the plugin caches.
 *
 * @package ElevenRank
 * @since   1.0.0
 */

namespace ElevenRank\Modules\Tools;

use ElevenRank\Modules\Meta\Keys;
use ElevenRank\Modules\Redirects\Redirect_Repository;
use ElevenRank\Modules\Sitemap\Sitemap_Cache;

defined( 'ABSPATH' ) || exit;

/**
 * The sitemap files and the list of pattern redirects are cached; stored scores are a kind of cache
 * too, because the editor computes them again whenever a post is saved.
 *
 * @since 1.0.0
 */
final class Cache_Cleaner {

	/**
	 * Clears the caches.
	 *
	 * @since 1.0.0
	 *
	 * @return string[] What was cleared.
	 */
	public function clear(): array {
		( new Sitemap_Cache() )->flush();
		( new Redirect_Repository() )->forget();

		return array( 'sitemap', 'redirects' );
	}

	/**
	 * Removes the stored SEO scores. Scores are worked out by the editor's analysis, so each one comes
	 * back the next time its post is saved.
	 *
	 * @since 1.0.0
	 *
	 * @return bool
	 */
	public function clear_scores(): bool {
		return delete_post_meta_by_key( Keys::SCORE );
	}
}