<?php

declare(strict_types=1);

/**
 * Pimcore
 *
 * This source file is available under two different licenses:
 * - GNU General Public License version 3 (GPLv3)
 * - Pimcore Enterprise License (PEL)
 * Full copyright and license information is available in
 * LICENSE.md which is distributed with this source code.
 *
 * @copyright  Copyright (c) Pimcore GmbH (http://www.pimcore.org)
 * @license    http://www.pimcore.org/license     GPLv3 and PEL
 */

namespace Pimcore\Bundle\CoreBundle\EventListener;

use Pimcore\Http\ResponseStack;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
use Symfony\Component\HttpKernel\KernelEvents;

class ResponseStackListener implements EventSubscriberInterface
{
    /**
     * @var ResponseStack
     */
    private $responseStack;

    /**
     * @param ResponseStack $responseStack
     */
    public function __construct(ResponseStack $responseStack)
    {
        $this->responseStack = $responseStack;
    }

    /**
     * @inheritDoc
     */
    public static function getSubscribedEvents()
    {
        return [
            KernelEvents::RESPONSE => ['onKernelResponse', 24]
        ];
    }

    public function onKernelResponse(FilterResponseEvent $event)
    {
        if (!$event->isMasterRequest()) {
            return;
        }

        if ($this->responseStack->hasResponses()) {
            $event->setResponse($this->responseStack->getLastResponse());
        }
    }
}