<?php
if(isset($_POST['registerBtn']))
{

    $captcha = $_POST['g-recaptcha-response'];
    $username = $_POST['username'];
    $password = $_POST['password'];
    $confirmpassword = $_POST['confirmPass'];
    $ipadd = $_SERVER['REMOTE_ADDR'];
    $date = date('l jS of F Y h:i:s A');

    if(!$captcha)
    {
        echo
        '
        <div class="alert alert-danger">
        <strong>Error:</strong> Please enter a captcha!
        </div>
        ';
    }
    else if($captcha)
    {
        $response = @file_get_contents("https://www.google.com/recaptcha/api/siteverify?secret=google_secret_key&response=".$captcha);
        if($response.success == false)
        {
            echo
            '
            <div class="alert alert-danger">
            <strong>Error:</strong> Incorrect captcha!
            </div>
            ';
        }
        else
        {
            $checkUsername = $odb->prepare("SELECT COUNT(*) FROM `users` WHERE `username` = :username");

            $checkUsername->execute(array(':username' => $username));

            $countUsername = $checkUsername -> fetchColumn(0);

            $checkEmail = $odb->prepare("SELECT COUNT(*) FROM `users` WHERE `email` = :email");

            $checkEmail->execute(array(':email' => $email));

            $countEmail = $checkEmail -> fetchColumn(0);

            if(!($countEmail == 0))
            {
                echo
                '
                <div class="alert alert-danger">
                <strong>Error:</strong> That e-mail is already in use!
                </div>
                ';
            }
            else if(!($countUsername == 0))
            {
                echo
                '
                <div class="alert alert-danger">
                <strong>Error:</strong> That username is already in use!
                </div>
                ';
            }
            else if(!(strcmp($password, $confirmpassword) == 0))
            {
                echo
                '
                <div class="alert alert-danger">
                <strong>Error:</strong> The passwords do not match!
                </div>
                ';
            }
            else
            {
                try
                {
                    $insertUser = $odb -> prepare('INSERT INTO `users` (username,password,email,date_registered,ip,confirm_id,confirmed) VALUES(:username,:password, :email, :_date, :ip, :confirm_id, :confirmed)');

                    $confirmid = $username;
                    $confirmid .= $email;
                    $confirmid = md5($confirmid);

                    $insertUser -> execute(array(

                        ':username' => $username,
                        ':password' => password_hash($password, PASSWORD_BCRYPT),
                        ':email' => $email,
                        ':_date' => $date,
                        ':ip' => $ipadd,
                        ':confirm_id' => $confirmid,
                        ':confirmed' => 0

                        ));

                    $_to = $email;
                    $_subject = "PayEasy | Confirm your account";

                    $_message = str_replace("%confirmid%", $confirmid, file_get_contents("email-templates/action.html"));

                    $_headers = "MIME-Version: 1.0" . "rn";
                    $_headers .= "Content-type:text/html;charset=UTF-8" . "rn";
                    $_headers .= 'From: no-reply@payeasy.pw' . "rn";

                    mail($_to,$_subject,$_message,$_headers);

                    echo
                    '
                    <div class="alert alert-success">
                    <strong>Success:</strong> Please check your e-mail for confirmation!
                    </div>
                    ';
                }
                catch (PDOException $e)
                {
                    echo
                    '
                    <div class="alert alert-success">
                    <strong>Error:</strong>'.$e->getMessage().'
                    </div>
                    ';
                }
            }
        }
    }
}