<?php

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

    private $_username;
    private $_password;
    private $_facebook_id;
    private $_facebook_info = array();

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


    /**
     *
     *
     * methid to log a user 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 = $this->getDBInfo('facebook');
                // if the user has a member id reister the sesssion, other wise do nothing
                if($check['mem_id'])
                {
                    $this->_loggedInFB = true;
                    $this->sessionRegister($check);
                } else {

                    $this->registerFB();
                    $check = $this->getDBInfo('facebook');
                    $this->_loggedInFB = true;
                    $this->sessionRegister($check);

                }

            } elseif($this->_username && $this->_password)
            {
                // person is entering a username and password lets check it against the database
                $check = $this->getDBInfo('unp');

                // 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 {

            $this->_loggedInFB = $_SESSION['uinfo']['loggedInFB'];
            return $_SESSION['uinfo'];
        }
    }


    /**
     *
     *
     * methid to log register the user if they are using facebook to login
     *
     *
     */
    private function registerFB()
    {

        // split location
        $fbinfo = $this->_facebook_info;
        $location = explode(',', $fbinfo['location']['name']);
        $city  = addslashes(trim($location[0]));
        $state = addslashes(trim(substr($location[1], 0, 3)));
        $zipinfo = mysql_fetch_array(mysql_query("SELECT * FROM zip_code WHERE city = '".$city."' && state = '".$state."' LIMIT 1"));

        // facebok user not in the database, add them
        mysql_query("INSERT INTO members SET
                    mem_email           = '".filter_var($fbinfo['email'], FILTER_SANITIZE_EMAIL)."',
                    mem_real            = '1',
                    mem_ip              = '".$_SERVER['REMOTE_ADDR']."',
                    mem_date_joined     = '".time()."',
                    mem_last_active     = '".time()."',
                    mem_firstname       = '".$this->clean($fbinfo['first_name'])."',
                    mem_lastname        = '".$this->clean($fbinfo['last_name'])."',
                    mem_city            = '".$zipinfo['city']."',
                    mem_state           = '".$zipinfo['state']."',
                    mem_zipcode         = '".$zipinfo['zip_code']."',
                    mem_lat             = '".$zipinfo['lat']."',
                    mem_lon             = '".$zipinfo['lon']."',
                    mem_gender          = '".$this->clean($fbinfo['gender'])."',
                    mem_timezone        = '".$this->clean($fbinfo['timezone'])."',
                    mem_oauth_provider  = 'facebook',
                    mem_oauth_uid       = '".$this->_facebook_id."'");

    }


    /**
     *
     *
     * methid to log a user out
     *
     *
     */
    public function logout()
    {
        unset($_SESSION[uinfo]);
        $this->_loggedIn = false;
    }


    /**
     *
     *
     * methid to register the users session
     *
     *
     */
    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'],
                                                 'loggedInFB'      => $this->_loggedInFB
                                                 );

        $this->_loggedIn = true;

    }

    /**
     *
     *
     * methid to log set a cookie if user wants to be remembered
     *
     *
     */
    public function setCookie()
    {
        setcookie();
    }

    /**
     *
     *
     * methid to get users info from the database
     *
     *
     */
    public function getDBInfo($method)
    {
        if($method == 'facebook')
        {
            return mysql_fetch_array(mysql_query("SELECT * FROM members WHERE mem_oauth_provider = 'facebook' && mem_oauth_uid = '".$this->_facebook_id."' LIMIT 1"));

        } elseif($method == 'unp') {

            $cleanUsername = $this->clean($this->_username);
            $cleanPassword = md5($this->_password);
            return mysql_fetch_array(mysql_query("SELECT * FROM members WHERE mem_nick = '".$cleanUsername."' && mem_password = '".$cleanPassword."' LIMIT 1"));

        } else {

            return false;

        }
    }

    /**
     *
     *
     * method to clean information for the database
     *
     *
     */
     private function clean($textToClean)
     {
         return addslashes(filter_var($textToClean, FILTER_SANITIZE_STRING));
     }

    /**
     *
     *
     * end class
     *
     *
     */

}

?>