<?php
include 'roots/seed.php';
mysql_connect($dbhost, $dbuser, $dbpass) or die(mysql_error());
mysql_select_db($dbselect) or die(mysql_error());

class site
{

    private static $t = 'template/';
    private static $p = 'pages/';

    public static function load()
    {

        include site::$t.'header.php';

        if(count($_GET) > 0)
        {
            $page = array_keys($_GET);
            $page = $page[0];
            $page .= '.php';
        }
        else
        {
            if(isset($_SESSION['user']))
            {
                $page = 'index.php';
            }
            else
            {
                $page = 'login.php';
            }
        }

        include site::$p.$page;
        include site::$t.'footer.php';
    }

    public static function login()
    {
        if(isset($_POST['login']))
        {
            if(empty($_POST['username']))
            {
                print 'Username field was empty, please try again.';
                return;
            }

            if(empty($_POST['password']))
            {
                print 'Password field was empty, please try again.';
                return;
            }

            print '<center><img src="images/loader.gif" /> submitting information..</center>';

            $encrypt = sha1(strtoupper($_POST['username'].':'.$_POST['password']));
            $q = mysql_query("SELECT * FROM users WHERE user = '$_POST[username]' AND password = '$encrypt'") or die(mysql_error());

            if(!mysql_num_rows($q) == 0)
            {
                $_SESSION['user'] = $_POST['username'];
                echo $_SESSION['user'];
            }
            else
            {
                print 'Couldn\'t log you in, please try again.';
                return;
            }
        }
    }

    public static function is_valid_email($email)
    {
        $qtext = '[^\\x0d\\x22\\x5c\\x80-\\xff]';
        $dtext = '[^\\x0d\\x5b-\\x5d\\x80-\\xff]';
        $atom = '[^\\x00-\\x20\\x22\\x28\\x29\\x2c\\x2e\\x3a-\\x3c'.
                    '\\x3e\\x40\\x5b-\\x5d\\x7f-\\xff]+';
        $quoted_pair = '\\x5c\\x00-\\x7f';
        $domain_literal = "\\x5b($dtext|$quoted_pair)*\\x5d";
        $quoted_string = "\\x22($qtext|$quoted_pair)*\\x22";
        $domain_ref = $atom;
        $sub_domain = "($domain_ref|$domain_literal)";
        $word = "($atom|$quoted_string)";
        $domain = "$sub_domain(\\x2e$sub_domain)*";
        $local_part = "$word(\\x2e$word)*";
        $addr_spec = "$local_part\\x40$domain";

        return preg_match("!^$addr_spec$!", $email) ? true : false;
    }

    public static function register()
    {
        if(isset($_POST['register']))
        {
            if(empty($_POST['username']))
            {
                print 'Username field was empty, please try again.';
                return;
            }

            if(empty($_POST['email']))
            {
                print 'E-mail field was empty, please try again.';
                return;
            }

            if(!site::is_valid_email($_POST['email']))
            {
                print 'E-mail was not valid, please try again.';
                return;
            }

            if(empty($_POST['password']) || empty($_POST['confirmpassword']))
            {
                print 'Password fields were empty, please try again.';
                return;
            }

            if($_POST['password'] != $_POST['confirmpassword'])
            {
                print 'Passwords did not match.';
                return;
            }

            $encrypt = sha1(strtoupper($_POST['username'].':'.$_POST['password']));
            $q = mysql_query("INSERT INTO users SET user = '$_POST[username]', password = '$encrypt', email = '$_POST[email]'");

            if(!q)
            {
                print 'Something went wrong, please try again.';
                return;
            }
            else
            {
                print '<center><img src="images/loader.gif" /> creating account..</center>';
                sleep(1);
                print '<center>Account was created, redirecting you..';
                sleep(1);
                header("Location:./");
            }

        }
    }

}
?>