<?php
//--Powered by DarkCoreCMS
//--Website: http://mmltools.com
//--Author: Marco aka (Darksoke)

function connect($ip, $user, $password, $database){
    $con = mysqli_connect($ip, $user, $password, $database) or die('try again in some minutes, please');
    if (!$con)
        printf("Connect failed: %s\n", mysqli_connect_error());
    //exit();
    else
        return $con;
}
function encrypt($username, $password)
{
    $password = sha1(strtoupper($username) . ":" . strtoupper($password));
    $password = strtoupper($password);
    return $password;
}
function check_user_exist($username){
    global $db_ip, $db_user, $db_password, $db_auth;
    $con = connect($db_ip, $db_user, $db_password, $db_auth);
    $stmt = $con->prepare("SELECT * FROM account WHERE `username`=?");
    $stmt->bind_param("s", $username);
    $stmt->execute();
    $stmt->store_result();
    return $stmt->num_rows;
    $stmt->close();
    $con->close();
}
function clean($string) {
    $string = str_replace(' ', '-', $string); // Replaces all spaces with hyphens.

    return preg_replace('/[^A-Za-z0-9\-]/', '', $string); // Removes special chars.
}
function register_user($username, $password, $repassword, $email){
    if ($password != $repassword){
        echo "<font color='#ff0000;'>Passwords do not match. <br></font>";
        return;
    }
    else
        $new_password = encrypt($username,$password);

    $sql = "INSERT INTO `account` (`username`, `sha_pass_hash`) VALUES (?,?)";
    global $db_ip, $db_user, $db_password, $db_auth;
    $con = connect($db_ip, $db_user, $db_password, $db_auth);
    if (check_user_exist($username) > 0) {
        echo "<font color='#ff0000;'>Username is taken. </font>";
        $con->close();
        return;
    }


            if (check_user_exist($username) == 0) {
                if ($stmt = $con->prepare($sql)) {
                    $stmt->bind_param("ss", $username, $new_password);
                    $stmt->execute();
                    $stmt->close();
                    echo "<script type='text/javascript'>window.location.href = '?success=$username';</script>";
                    $con->close();
                }
            }

}