<?php
namespace DeliciousBrains\WPMDB\Pro\Migration;

use DeliciousBrains\WPMDB\Common\Migration\Flush as Common_Flush;
use DeliciousBrains\WPMDB\Common\MigrationPersistence\Persistence;

/**
 * Pro Migration Flush Handler
 *
 * Extends base flush functionality to support unauthenticated flush endpoints
 * for pull migrations with user tables.
 */
class Flush extends Common_Flush {
	/**
	 * Register Pro-specific flush actions.
	 * Adds the unauthenticated endpoint needed for pull migrations with user tables.
	 */
	public function register() {
		parent::register();
		add_action( 'wp_ajax_nopriv_wpmdb_flush', array( $this, 'ajax_nopriv_flush' ) );
	}

	/**
	 * Handles the request to flush caches and cleanup migration when pulling with user tables being migrated.
	 *
	 * @return void
	 */
	public function ajax_nopriv_flush() {
		Persistence::cleanupStateOptions();

		$this->http->end_ajax( $this->flush() );
	}
}