<?php

namespace Foo\FooBundleBundle\Listener;

use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
use Symfony\Component\Security\Http\Event\InteractiveLoginEvent;
use Symfony\Component\Routing\Router;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\Security\Core\SecurityContext;

/**
 * SecurityListener.
 *
 * @author Dustin Dobervich
 */
class SecurityListener
{
    /**
     * @var Router $router
     */
    private $router;

    /**
     * @var SecurityContext $security
     */
    private $security;

    /**
     * @var boolean $redirectToAdmin
     */
    private $redirectToAdmin = false;

    /**
     * Constructs a new instance of SecurityListener.
     *
     * @param Router $router The router
     * @param SecurityContext $security The security context
     */
    public function __construct(Router $router, SecurityContext $security)
    {
        $this->router = $router;
        $this->security = $security;
    }

    /**
     * Invoked after a successful login.
     *
     * @param InteractiveLoginEvent $event The event
     */
    public function onSecurityInteractiveLogin(InteractiveLoginEvent $event)
    {
        if ($this->security->isGranted('ROLE_ADMIN')) {
            $this->redirectToAdmin = true;
        }
    }

    /**
     * Invoked after the response has been created.
     *
     * @param FilterResponseEvent $event The event
     */
    public function onCoreResponse(FilterResponseEvent $event)
    {
        if($this->redirectToAdmin) {
            $event->setResponse(newRedirectResponse($this->router->generate('admin_homepage')));
        }
    }
}