<?php

/*
 * This file is part of Phraseanet
 *
 * (c) 2005-2014 Alchemy
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Alchemy\Phrasea\Core\Provider;

use Alchemy\Phrasea\Authentication\Authenticator;
use Alchemy\Phrasea\Authentication\AccountCreator;
use Alchemy\Phrasea\Authentication\Manager;
use Alchemy\Phrasea\Authentication\ProvidersCollection;
use Alchemy\Phrasea\Authentication\Phrasea\FailureManager;
use Alchemy\Phrasea\Authentication\Provider\Factory as ProviderFactory;
use Alchemy\Phrasea\Authentication\PersistentCookie\Manager as CookieManager;
use Alchemy\Phrasea\Authentication\Phrasea\FailureHandledNativeAuthentication;
use Alchemy\Phrasea\Authentication\Phrasea\NativeAuthentication;
use Alchemy\Phrasea\Authentication\Phrasea\OldPasswordEncoder;
use Alchemy\Phrasea\Authentication\Phrasea\PasswordEncoder;
use Alchemy\Phrasea\Authentication\SuggestionFinder;
use Alchemy\Phrasea\Authentication\Token\TokenValidator;
use Silex\Application;
use Silex\ServiceProviderInterface;
use Alchemy\Phrasea\Core\Event\Subscriber\PersistentCookieSubscriber;

class AuthenticationManagerServiceProvider implements ServiceProviderInterface
{
    public function register(Application $app)
    {
        $app['authentication'] = $app->share(function (Application $app) {
            return new Authenticator($app, $app['browser'], $app['session'], $app['EM']);
        });

        $app['authentication.token-validator'] = $app->share(function (Application $app) {
            return new TokenValidator($app);
        });

        $app['authentication.persistent-manager'] = $app->share(function (Application $app) {
            return new CookieManager($app['auth.password-encoder'], $app['EM'], $app['browser']);
        });

        $app['authentication.suggestion-finder'] = $app->share(function (Application $app) {
            return new SuggestionFinder($app);
        });

        $app['authentication.providers.factory'] = $app->share(function (Application $app) {
           return new ProviderFactory($app['url_generator'], $app['session']);
        });

        $app['authentication.providers.account-creator'] = $app->share(function (Application $app) {
            $authConf = $app['phraseanet.configuration']['authentication'];
            $templates = array_filter(array_map(function ($templateId) use ($app) {
                try {
                    if (is_int($templateId) || ctype_digit($templateId)) {
                        return \User_Adapter::getInstance($templateId, $app);
                    } else {
                        $template = \User_Adapter::get_usr_id_from_login($app, $templateId);
                        if (false !== $template) {
                            return \User_Adapter::getInstance($template, $app);
                        }
                    }
                } catch (\Exception $e) {

                }
            }, $authConf['auto-create']['templates']));

            $enabled = $app['phraseanet.registry']->get('GV_autoregister') && $app['registration.enabled'];

            return new AccountCreator($app['tokens'], $app['phraseanet.appbox'], $enabled, $templates);
        });

        $app['authentication.providers'] = $app->share(function (Application $app) {

            $providers = new ProvidersCollection();

            $authConf = $app['phraseanet.configuration']['authentication'];
            foreach ($authConf['providers'] as $providerId => $data) {
                if (isset($data['enabled']) && false === $data['enabled']) {
                    continue;
                }
                $providers->register($app['authentication.providers.factory']->build($providerId, $data['options']));
            }

            return $providers;
        });

        $app['authentication.manager'] = $app->share(function (Application $app) {
            return new Manager($app['authentication'], $app['authentication.providers']);
        });

        $app['auth.password-encoder'] = $app->share(function (Application $app) {
            return new PasswordEncoder($app['phraseanet.configuration']['main']['key']);
        });

        $app['auth.old-password-encoder'] = $app->share(function (Application $app) {
            return new OldPasswordEncoder();
        });

        $app['auth.native.failure-manager'] = $app->share(function (Application $app) {
            $authConf = $app['phraseanet.configuration']['authentication']['captcha'];

            return new FailureManager($app['EM'], $app['recaptcha'], isset($authConf['trials-before-display']) ? $authConf['trials-before-display'] : 9);
        });

        $app['auth.password-checker'] = $app->share(function (Application $app) {
            return new NativeAuthentication($app['auth.password-encoder'], $app['auth.old-password-encoder'], $app['phraseanet.appbox']->get_connection());
        });

        $app['auth.native'] = $app->share(function (Application $app) {
            $authConf = $app['phraseanet.configuration']['authentication'];

            if ($authConf['captcha']['enabled']) {
                return new FailureHandledNativeAuthentication(
                    $app['auth.password-checker'],
                    $app['auth.native.failure-manager']
                );
            } else {
                return $app['auth.password-checker'];
            }
        });
    }

    public function boot(Application $app)
    {
        $app['dispatcher'] = $app->share(
            $app->extend('dispatcher', function ($dispatcher, Application $app) {
                $dispatcher->addSubscriber(new PersistentCookieSubscriber($app));

                return $dispatcher;
            })
        );
    }
}
