<?php

/*
 * This file is part of Phraseanet
 *
 * (c) 2005-2013 Alchemy
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Alchemy\Phrasea\Controller\Root;

use Silex\Application;
use Silex\ControllerProviderInterface;
use Symfony\Component\HttpFoundation\Cookie;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;

class Root implements ControllerProviderInterface
{
    public function connect(Application $app)
    {
        $controllers = $app['controllers_factory'];

        $controllers
            ->get('/language/{locale}/', $this->call('setLocale'))
            ->bind('set_locale');

        $controllers
            ->get('/', $this->call('getRoot'))
            ->bind('root');

        $controllers
            ->get('/robots.txt', $this->call('getRobots'))
            ->bind('robots');

        return $controllers;
    }

    public function getRobots(Application $app, Request $request)
    {
        if ($app['phraseanet.registry']->get('GV_allow_search_engine') === true) {
            $buffer = "User-Agent: *\n" . "Allow: /\n";
        } else {
            $buffer = "User-Agent: *\n" . "Disallow: /\n";
        }

        return new Response($buffer, 200, array('Content-Type' => 'text/plain'));
    }

    public function getRoot(Application $app, Request $request)
    {
        if ($app['browser']->isMobile()) {
            return $app->redirect("/login/?redirect=lightbox");
        } elseif ($app['browser']->isNewGeneration()) {
            return $app->redirect("/login/?redirect=prod");
        }

        return $app->redirect("/login/?redirect=client");
    }

    public function setLocale(Application $app, Request $request, $locale)
    {
        $redirect = $request->query->get('redirect') ? : $app->path('root');

        $response = $app->redirect($redirect);
        $response->headers->setCookie(new Cookie('locale', $locale));

        return $response;
    }

    /**
     * Prefix the method to call with the controller class name
     *
     * @param  string $method The method to call
     * @return string
     */
    private function call($method)
    {
        return sprintf('%s::%s', __CLASS__, $method);
    }
}