<?php
/*
 +--------------------------------------------------------------------+
 | CiviCRM version 4.6                                                |
 +--------------------------------------------------------------------+
 | Copyright CiviCRM LLC (c) 2004-2015                                |
 +--------------------------------------------------------------------+
 | This file is a part of CiviCRM.                                    |
 |                                                                    |
 | CiviCRM is free software; you can copy, modify, and distribute it  |
 | under the terms of the GNU Affero General Public License           |
 | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
 |                                                                    |
 | CiviCRM is distributed in the hope that it will be useful, but     |
 | WITHOUT ANY WARRANTY; without even the implied warranty of         |
 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
 | See the GNU Affero General Public License for more details.        |
 |                                                                    |
 | You should have received a copy of the GNU Affero General Public   |
 | License and the CiviCRM Licensing Exception along                  |
 | with this program; if not, contact CiviCRM LLC                     |
 | at info[AT]civicrm[DOT]org. If you have questions about the        |
 | GNU Affero General Public License or the licensing of CiviCRM,     |
 | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
 +--------------------------------------------------------------------+
 */

namespace Civi\API\Subscriber;

use Civi\API\Events;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

/**
 * Class XDebugSubscriber
 * @package Civi\API\Subscriber
 */
class XDebugSubscriber implements EventSubscriberInterface {
  /**
   * @return array
   */
  public static function getSubscribedEvents() {
    return array(
      Events::RESPOND => array('onApiRespond', Events::W_LATE),
    );
  }

  /**
   * @param \Civi\API\Event\RespondEvent $event
   *   API response event.
   */
  public function onApiRespond(\Civi\API\Event\RespondEvent $event) {
    $apiRequest = $event->getApiRequest();
    $result = $event->getResponse();
    if (function_exists('xdebug_time_index')
      && \CRM_Utils_Array::value('debug', $apiRequest['params'])
      // result would not be an array for getvalue
      && is_array($result)
    ) {
      $result['xdebug']['peakMemory'] = xdebug_peak_memory_usage();
      $result['xdebug']['memory'] = xdebug_memory_usage();
      $result['xdebug']['timeIndex'] = xdebug_time_index();
      $event->setResponse($result);
    }
  }

}