<?php

class user
{
    public $_info = array();
    public $_loggedIn = false;
    public $_loggedInFB = false;

    private $_username;
    private $_password;
    private $_facebook_id;




    // what info do we want passed in initially? The current session information
    public function __construct($username='', $password='', $facebook_id='')
    {
        $this->_username    = $username;
        $this->_password    = $password;
        $this->_facebook_id = $facebook_id;
        $this->_info = $this->login();
        $this->_loggedIn = ($this->_info) ? true : false;
    }





    // user can login if not logged in
    public function login()
    {
        if(!$_SESSION['uinfo'])
        {
            // if user is logging in through facebook check the database to see if they are already registered in our database
            if($this->_facebook_id)
            {
                $check = mysql_fetch_array(mysql_query("SELECT * FROM members WHERE mem_oauth_provider = 'facebook' && mem_oauth_uid = '".$this->_facebook_id."' LIMIT 1"));

                // if the user has a member id reister the sesssion, other wise do nothing
                if($check['mem_id'])
                {
                    $this->sessionRegister($check);
                }

            } elseif($this->_username && $this->_password)
            {
                // person is entering a username and password lets check it against the database
                $cleanUsername = addslashes($this->_username);
                $cleanPassword = md5($this->_password);
                $check = mysql_fetch_array(mysql_query("SELECT * FROM members WHERE mem_nick = '".$cleanUsername."' && mem_password = '".$cleanPassword."' LIMIT 1"));

                // if there is an id for the user let's set the session up
                if($check['mem_id'])
                {
                    $this->sessionRegister($check);
                }
            }

            return $this->_info;

        } else {

            return $_SESSION['uinfo'];
        }
    }





    // logout method
    public function logout()
    {
        unset($_SESSION[uinfo]);
        $this->_loggedIn = false;
    }





    // register a session for people being logged in
    private function sessionRegister($memberArray)
    {
        $this->_info = $_SESSION['uinfo'] = array(
                                                     'id'              => $memberArray['mem_id'],
                                                     'email'           => $memberArray['mem_email'],
                                                     'username'        => $memberArray['mem_nick'],
                                                     'active'          => $memberArray['mem_active'],
                                                     'level'           => $memberArray['mem_level'],
                                                     'facebook_id'     => $memberArray['mem_oauth_uid'],
                                                     );

        $this->_loggedIn = true;

    }

}

?>