<?php

namespace Symfony\Framework\WebBundle;

use Symfony\Components\DependencyInjection\ContainerInterface;
use Symfony\Components\RequestHandler\Request;
use Symfony\Components\RequestHandler\Response;

/*
 * This file is part of the Symfony framework.
 *
 * (c) Fabien Potencier <fabien.potencier@symfony-project.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

/**
 * WebBundle Controller gives you convenient access to all commonly needed services.
 *
 * @package    Symfony
 * @subpackage Framework_WebBundle
 * @author     Fabien Potencier <fabien.potencier@symfony-project.com>
 */
class Controller
{
  protected $container;
  protected $request;

  function __construct(ContainerInterface $container)
  {
    $this->container = $container;
  }

  public function getRequest()
  {
    if (null === $this->request)
    {
      $this->request = $this->container->getRequestService();
    }

    return $this->request;
  }

  public function setRequest(Request $request)
  {
    return $this->request = $request;
  }

  public function getUser()
  {
    return $this->container->getUserService();
  }

  public function getMailer()
  {
    return $this->container->getMailerService();
  }

  public function createResponse($content = '', $status = 200, array $headers = array())
  {
    $response = $this->container->getResponseService();
    $response->setContent($content);
    $response->setStatusCode($status);
    foreach ($headers as $name => $value)
    {
      $response->headers->set($name, $value);
    }

    return $response;
  }

  /**
   * Generates a URL from the given parameters.
   *
   * @param  string  $name       The name of the route
   * @param  array   $parameters An array of parameters
   * @param  Boolean $absolute   Whether to generate an absolute URL
   *
   * @return string The generated URL
   */
  public function generateUrl($route, array $parameters = array(), $absolute = false)
  {
    return $this->container->getRouterService()->generate($route, $parameters);
  }

  public function forward($controller, array $parameters = array())
  {
    return $this->container->getControllerLoaderService()->run($controller, $parameters);
  }

  /**
   * Sends an HTTP redirect response
   */
  public function redirect($url, $status = 302)
  {
    $response = $this->container->getResponseService();
    $response->setStatusCode($status);
    $response->headers->set('Location', $url);

    return $response;
  }

  public function renderView($view, array $parameters = array())
  {
    return $this->container->getTemplatingService()->render($view, $parameters);
  }

  /**
   * Renders a view.
   *
   * @param string   $view       The view name
   * @param array    $parameters An array of parameters to pass to the view
   * @param Response $response   A response instance
   *
   * @return Response A Response instance
   */
  public function render($view, array $parameters = array(), Response $response = null)
  {
    if (null === $response)
    {
      $response = $this->container->getResponseService();
    }

    $response->setContent($this->container->getTemplatingService()->render($view, $parameters));

    return $response;
  }
}