<?php
  
  namespace OC;
  
  use OC\AppFramework\Http\Request;

  use OC\AppFramework\Db\Db;

  use OC\AppFramework\Utility\SimpleContainer;
  use OC\Cache\UserCache;
  use OC\DB\ConnectionWrapper;
  use OC\Files\Node\Root;
  use OC\Files\View;
  use OCP\IServerContainer;
  
  /**
   * Class Server
   * @package OC
   *
   * TODO: hookup all manager classes
   */
  class Server extends SimpleContainer implements IServerContainer {
  
  	function __construct() {
  		$this->registerService('ContactsManager', function($c) {
  			return new ContactsManager();
  		});
  		$this->registerService('Request', function($c) {
  			if (isset($c['urlParams'])) {
  				$urlParams = $c['urlParams'];
  			} else {
  				$urlParams = array();
  			}
  
  			if (\OC::$session->exists('requesttoken')) {

  				$requestToken = \OC::$session->get('requesttoken');

  			} else {

  				$requestToken = false;

  			}

  			if (defined('PHPUNIT_RUN') && PHPUNIT_RUN
  			&& in_array('fakeinput', stream_get_wrappers())) {
  				$stream = 'fakeinput://data';
  			} else {
  				$stream = 'php://input';
  			}

  			return new Request(
  				array(
  					'get' => $_GET,
  					'post' => $_POST,
  					'files' => $_FILES,
  					'server' => $_SERVER,
  					'env' => $_ENV,
  					'cookies' => $_COOKIE,
  					'method' => (isset($_SERVER) && isset($_SERVER['REQUEST_METHOD']))
  						? $_SERVER['REQUEST_METHOD']
  						: null,
  					'urlParams' => $urlParams,

  					'requesttoken' => $requestToken,

  				), $stream

  			);
  		});
  		$this->registerService('PreviewManager', function($c) {
  			return new PreviewManager();
  		});
  		$this->registerService('TagManager', function($c) {
  			$user = \OC_User::getUser();
  			return new TagManager($user);
  		});
  		$this->registerService('RootFolder', function($c) {
  			// TODO: get user and user manager from container as well
  			$user = \OC_User::getUser();
  			/** @var $c SimpleContainer */
  			$userManager = $c->query('UserManager');
  			$user = $userManager->get($user);
  			$manager = \OC\Files\Filesystem::getMountManager();
  			$view = new View();
  			return new Root($manager, $view, $user);
  		});
  		$this->registerService('UserManager', function($c) {

  			/**
  			 * @var SimpleContainer $c
  			 * @var \OC\AllConfig $config
  			 */
  			$config = $c->query('AllConfig');
  			return new \OC\User\Manager($config);

  		});
  		$this->registerService('UserSession', function($c) {

  			/**
  			 * @var SimpleContainer $c
  			 * @var \OC\User\Manager $manager
  			 */

  			$manager = $c->query('UserManager');
  			$userSession = new \OC\User\Session($manager, \OC::$session);
  			$userSession->listen('\OC\User', 'preCreateUser', function ($uid, $password) {
  				\OC_Hook::emit('OC_User', 'pre_createUser', array('run' => true, 'uid' => $uid, 'password' => $password));
  			});
  			$userSession->listen('\OC\User', 'postCreateUser', function ($user, $password) {
  				/** @var $user \OC\User\User */
  				\OC_Hook::emit('OC_User', 'post_createUser', array('uid' => $user->getUID(), 'password' => $password));
  			});
  			$userSession->listen('\OC\User', 'preDelete', function ($user) {
  				/** @var $user \OC\User\User */
  				\OC_Hook::emit('OC_User', 'pre_deleteUser', array('run' => true, 'uid' => $user->getUID()));
  			});
  			$userSession->listen('\OC\User', 'postDelete', function ($user) {
  				/** @var $user \OC\User\User */
  				\OC_Hook::emit('OC_User', 'post_deleteUser', array('uid' => $user->getUID()));
  			});
  			$userSession->listen('\OC\User', 'preSetPassword', function ($user, $password, $recoveryPassword) {
  				/** @var $user \OC\User\User */
  				\OC_Hook::emit('OC_User', 'pre_setPassword', array('run' => true, 'uid' => $user->getUID(), 'password' => $password, 'recoveryPassword' => $recoveryPassword));
  			});
  			$userSession->listen('\OC\User', 'postSetPassword', function ($user, $password, $recoveryPassword) {
  				/** @var $user \OC\User\User */
  				\OC_Hook::emit('OC_User', 'post_setPassword', array('run' => true, 'uid' => $user->getUID(), 'password' => $password, 'recoveryPassword' => $recoveryPassword));
  			});
  			$userSession->listen('\OC\User', 'preLogin', function ($uid, $password) {
  				\OC_Hook::emit('OC_User', 'pre_login', array('run' => true, 'uid' => $uid, 'password' => $password));
  			});
  			$userSession->listen('\OC\User', 'postLogin', function ($user, $password) {
  				/** @var $user \OC\User\User */
  				\OC_Hook::emit('OC_User', 'post_login', array('run' => true, 'uid' => $user->getUID(), 'password' => $password));
  			});
  			$userSession->listen('\OC\User', 'logout', function () {
  				\OC_Hook::emit('OC_User', 'logout', array());
  			});
  			return $userSession;
  		});
  		$this->registerService('NavigationManager', function($c) {
  			return new \OC\NavigationManager();
  		});
  		$this->registerService('AllConfig', function($c) {
  			return new \OC\AllConfig();
  		});

  		$this->registerService('AppConfig', function ($c) {
  			return new \OC\AppConfig(\OC_DB::getConnection());
  		});

  		$this->registerService('L10NFactory', function($c) {
  			return new \OC\L10N\Factory();
  		});
  		$this->registerService('URLGenerator', function($c) {

  			/** @var $c SimpleContainer */
  			$config = $c->query('AllConfig');
  			return new \OC\URLGenerator($config);

  		});
  		$this->registerService('AppHelper', function($c) {
  			return new \OC\AppHelper();
  		});
  		$this->registerService('UserCache', function($c) {
  			return new UserCache();
  		});

  		$this->registerService('MemCacheFactory', function ($c) {
  			$instanceId = \OC_Util::getInstanceId();
  			return new \OC\Memcache\Factory($instanceId);
  		});

  		$this->registerService('ActivityManager', function($c) {
  			return new ActivityManager();
  		});
  		$this->registerService('AvatarManager', function($c) {
  			return new AvatarManager();
  		});

  		$this->registerService('Logger', function($c) {
  			/** @var $c SimpleContainer */
  			$logClass = $c->query('AllConfig')->getSystemValue('log_type', 'owncloud');
  			$logger = 'OC_Log_' . ucfirst($logClass);
  			call_user_func(array($logger, 'init'));
  
  			return new Log($logger);
  		});
  		$this->registerService('JobList', function ($c) {
  			/**
  			 * @var Server $c
  			 */
  			$config = $c->getConfig();
  			return new \OC\BackgroundJob\JobList($c->getDatabaseConnection(), $config);
  		});
  		$this->registerService('Router', function ($c){
  			/**
  			 * @var Server $c
  			 */
  			$cacheFactory = $c->getMemCacheFactory();
  			if ($cacheFactory->isAvailable()) {
  				$router = new \OC\Route\CachingRouter($cacheFactory->create('route'));
  			} else {
  				$router = new \OC\Route\Router();
  			}
  			return $router;
  		});
  		$this->registerService('Search', function($c){
  			return new Search();
  		});
  		$this->registerService('Db', function($c){
  			return new Db();
  		});

  	}
  
  	/**
  	 * @return \OCP\Contacts\IManager
  	 */
  	function getContactsManager() {
  		return $this->query('ContactsManager');
  	}
  
  	/**
  	 * The current request object holding all information about the request
  	 * currently being processed is returned from this method.
  	 * In case the current execution was not initiated by a web request null is returned
  	 *
  	 * @return \OCP\IRequest|null
  	 */
  	function getRequest() {
  		return $this->query('Request');
  	}
  
  	/**
  	 * Returns the preview manager which can create preview images for a given file
  	 *
  	 * @return \OCP\IPreview
  	 */
  	function getPreviewManager() {
  		return $this->query('PreviewManager');
  	}
  
  	/**
  	 * Returns the tag manager which can get and set tags for different object types
  	 *
  	 * @see \OCP\ITagManager::load()
  	 * @return \OCP\ITagManager
  	 */
  	function getTagManager() {
  		return $this->query('TagManager');
  	}
  
  	/**
  	 * Returns the avatar manager, used for avatar functionality
  	 *
  	 * @return \OCP\IAvatarManager
  	 */
  	function getAvatarManager() {
  		return $this->query('AvatarManager');
  	}
  
  	/**
  	 * Returns the root folder of ownCloud's data directory
  	 *
  	 * @return \OCP\Files\Folder
  	 */
  	function getRootFolder() {
  		return $this->query('RootFolder');
  	}
  
  	/**
  	 * Returns a view to ownCloud's files folder
  	 *
  	 * @return \OCP\Files\Folder
  	 */
  	function getUserFolder() {

  		$user = $this->getUserSession()->getUser();
  		if (!$user) {
  			return null;
  		}
  		$dir = '/' . $user->getUID();

  		$root = $this->getRootFolder();
  		$folder = null;

  		if(!$root->nodeExists($dir)) {
  			$folder = $root->newFolder($dir);
  		} else {
  			$folder = $root->get($dir);
  		}

  
  		$dir = '/files';
  		if(!$folder->nodeExists($dir)) {
  			$folder = $folder->newFolder($dir);
  		} else {
  			$folder = $folder->get($dir);
  		}

  		return $folder;
  	}
  
  	/**
  	 * Returns an app-specific view in ownClouds data directory
  	 *
  	 * @return \OCP\Files\Folder
  	 */
  	function getAppFolder() {
  
  		$dir = '/' . \OC_App::getCurrentApp();
  		$root = $this->getRootFolder();
  		$folder = null;
  		if(!$root->nodeExists($dir)) {
  			$folder = $root->newFolder($dir);
  		} else {
  			$folder = $root->get($dir);
  		}
  		return $folder;
  	}
  
  	/**
  	 * @return \OC\User\Manager
  	 */
  	function getUserManager() {
  		return $this->query('UserManager');
  	}
  
  	/**
  	 * @return \OC\User\Session
  	 */
  	function getUserSession() {
  		return $this->query('UserSession');
  	}
  
  	/**
  	 * @return \OC\NavigationManager
  	 */
  	function getNavigationManager() {
  		return $this->query('NavigationManager');
  	}
  
  	/**

  	 * @return \OCP\IConfig

  	 */
  	function getConfig() {
  		return $this->query('AllConfig');
  	}
  
  	/**

  	 * Returns the app config manager
  	 *
  	 * @return \OCP\IAppConfig
  	 */
  	function getAppConfig(){
  		return $this->query('AppConfig');
  	}
  
  	/**

  	 * get an L10N instance

  	 * @param string $app appid

  	 * @return \OC_L10N
  	 */
  	function getL10N($app) {
  		return $this->query('L10NFactory')->get($app);
  	}
  
  	/**

  	 * @return \OCP\IURLGenerator

  	 */
  	function getURLGenerator() {
  		return $this->query('URLGenerator');
  	}
  
  	/**

  	 * @return \OCP\IHelper

  	 */
  	function getHelper() {
  		return $this->query('AppHelper');
  	}
  
  	/**
  	 * Returns an ICache instance
  	 *
  	 * @return \OCP\ICache
  	 */
  	function getCache() {
  		return $this->query('UserCache');
  	}
  
  	/**

  	 * Returns an \OCP\CacheFactory instance
  	 *
  	 * @return \OCP\ICacheFactory
  	 */
  	function getMemCacheFactory() {
  		return $this->query('MemCacheFactory');
  	}
  
  	/**

  	 * Returns the current session
  	 *
  	 * @return \OCP\ISession
  	 */
  	function getSession() {
  		return \OC::$session;
  	}
  
  	/**
  	 * Returns the current session
  	 *
  	 * @return \OCP\IDBConnection
  	 */
  	function getDatabaseConnection() {
  		return new ConnectionWrapper(\OC_DB::getConnection());
  	}
  
  	/**
  	 * Returns the activity manager
  	 *
  	 * @return \OCP\Activity\IManager
  	 */
  	function getActivityManager() {
  		return $this->query('ActivityManager');
  	}

  
  	/**
  	 * Returns an job list for controlling background jobs
  	 *
  	 * @return \OCP\BackgroundJob\IJobList
  	 */
  	function getJobList(){
  		return $this->query('JobList');
  	}
  
  	/**
  	 * Returns a logger instance
  	 *
  	 * @return \OCP\ILogger
  	 */
  	function getLogger() {
  		return $this->query('Logger');
  	}
  
  	/**
  	 * Returns a router for generating and matching urls
  	 *
  	 * @return \OCP\Route\IRouter
  	 */
  	function getRouter(){
  		return $this->query('Router');
  	}
  
  	/**
  	 * Returns a search instance
  	 * @return \OCP\ISearch
  	 */
  	function getSearch() {
  		return $this->query('Search');
  	}
  
  	/**
  	 * Returns an instance of the db facade
  	 * @return \OCP\IDb
  	 */
  	function getDb() {
  		return $this->query('Db');
  	}

  }