<?php
/**
 *  Copyright (C) 2011  Kai Dorschner
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @author Kai Dorschner <the-hide@address.com>
 * @copyright Copyright 2011, Kai Dorschner
 * @license http://www.gnu.org/licenses/gpl.html GPLv3
 * @package mocovi
 */

class_exists('Session')	or require $GLOBALS['library'].'Session.php';

/**
 * @todo unfinished
 */
class UserLogin
{
	protected $users = array();

	public function __construct(Array $users)
	{
		$this->users = $users;
		Session::start();
	}

	public function login($user, $password)
	{
		if(isset($this->users[$user]) && $password === $this->users[$user]->password)
		{
			echo 'You are now logged in';
			Session::set
			(
				'userlogin',
				(Object)array
				(
					'loggedin'	=> true,
					'user'		=> $user
				)
			);
		}
		else
			throw new WrongLoginException();
	}

	public function loggedIn()
	{
		return (Session::get('userlogin') && Session::get('userlogin')->loggedin);
	}

	public function logout()
	{
		Session::delete('userlogin');
	}
}

class WrongLoginException extends Exception {}

$users = array
(
	'kernel' => (Object) array
	(
		'password' => '123'
	),
	'hide@address.com' => (Object) array
	(
		'password' => 'abc'
	)
);

$x = new UserLogin($users);
if(!$x->loggedIn())
{
	try
	{
		$x->login('hide@address.com', 'abc');
	}
	catch(WrongLoginException $e)
	{
		echo 'Wrong login.';
	}
}
else
{
	echo 'You are already logged in';
	$x->logout();
}