<?php
    // Include config file
    require_once "config.php";
    echo "lol";
    require_once 'vendor/autoload.php';

// Create the Transport
$transport = (new Swift_SmtpTransport('smtp.gmail.com', 25, 'ssl'))
  ->setUsername('naganack')
  ->setPassword('*password*')
;

// Create the Mailer using your created Transport
$mailer = new Swift_Mailer($transport);

    // Define variables and initialize with empty values
    $email = $username = $password = $confirm_password = "";
    $email_err = $username_err = $password_err = $confirm_password_err = "";

    // Processing form data when form is submitted
    if($_SERVER["REQUEST_METHOD"] == "POST"){

        // Validate username
        if(empty(trim($_POST["username"]))){
            $username_err = "Please enter a username.";
        } else{
            // Prepare a select statement
            $sql = "SELECT id FROM users WHERE username = ?";

            if($stmt = mysqli_prepare($link, $sql)){
                // Bind variables to the prepared statement as parameters
                mysqli_stmt_bind_param($stmt, "s", $param_username);

                // Set parameters
                $param_username = trim($_POST["username"]);

                // Attempt to execute the prepared statement
                if(mysqli_stmt_execute($stmt)){
                    /* store result */
                    mysqli_stmt_store_result($stmt);

                    if(mysqli_stmt_num_rows($stmt) == 1){
                        $username_err = "This username is already taken.";
                    } else{
                        $username = trim($_POST["username"]);
                    }
                } else{
                    echo "Oops! Something went wrong. Please try again later.";
                }
            }

            // Close statement
            mysqli_stmt_close($stmt);
        }

        // Validate password
        if(empty(trim($_POST["password"]))){
            $password_err = "Please enter a password.";
        } elseif(strlen(trim($_POST["password"])) < 6){
            $password_err = "Password must have atleast 6 characters.";
        } else{
            $password = trim($_POST["password"]);
        }

        // Validate confirm password
        if(empty(trim($_POST["confirm_password"]))){
            $confirm_password_err = "Please confirm password.";
        } else{
            $confirm_password = trim($_POST["confirm_password"]);
            if(empty($password_err) && ($password != $confirm_password)){
                $confirm_password_err = "Password did not match.";
            }
        }


        if(empty(trim($_POST["email"]))){
            $password_err = "Please enter a valid email.";
        } elseif(!filter_var($email, FILTER_VALIDATE_EMAIL)){
            $password_err = "email must be real dude.";
        } else{
            $email = trim($_POST["email"]);
        }


	}

        // Check input errors before inserting in database
        if(empty($username_err) && empty($password_err) && empty($confirm_password_err) && empty($email_error)){

            $reg_code = md5(uniqid(rand(),true));

            // Prepare an insert statement
            echo "ss = ". $email_err;
            $sql = "INSERT INTO users (reg_code, email, username, password) VALUES ($username, $password, $email, $reg_code)";

            // Create a message
            $message = (new Swift_Message('SocialTakedown'))
            ->setFrom(['no-reply@socialtakedown.xyz' => 'Admin'])
            ->setTo([$email])
            ->setBody("Thanks for signing up to SocialTakedown!<br>Here is your confirmation link: <a href='http://socialtakedown.xyz/reg.php?code=$reg_code'></a>', 'text/html")
            ;

            // Send the message
            $result = $mailer->send($message);

            if($stmt = mysqli_prepare($link, $sql)){
                // Bind variables to the prepared statement as parameters
                mysqli_stmt_bind_param($stmt, "ss", $param_username, $param_password);

                // Set parameters
                $param_username = $username;
                $param_password = password_hash($password, PASSWORD_DEFAULT); // Creates a password hash

                // Attempt to execute the prepared statement
                if(mysqli_stmt_execute($stmt)){
                    // Redirect to login page
                    header("location: login.php");
                } else{
                    echo "Something went wrong. Please try again later.";
                }
            }

            // Close statement
            mysqli_stmt_close($stmt);
        }

        // Close connection
        mysqli_close($link);


    ?>

<!DOCTYPE html>
<html lang="en">

<head>
<meta charset="UTF-8">
<title>Sign Up</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.css">
<link rel="stylesheet" href="./CSS/basic.css">
<style type="text/css">
body{ font: 14px sans-serif; }
.wrapper{ width: 350px; padding: 20px; }
</style>
</head>
<body>
    <div class="wrapper">
    <h2>Sign Up</h2>
    <p>Please fill this form to create an account.</p>
        <form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post">
        <div class="form-group <?php echo (!empty($username_err)) ? 'has-error' : ''; ?>">
            <label>Username</label>
            <input type="text" name="username" class="form-control" value="<?php echo $username; ?>">
            <span class="help-block"><?php echo $username_err; ?></span>
        </div>

        <div class="form-group <?php echo (!empty($username_err)) ? 'has-error' : ''; ?>">
            <label>email</label>
            <input type="text" name="email" class="form-control" value="<?php echo $email; ?>">
            <span class="help-block"><?php echo $email_err; ?></span>
        </div>

            <div class="form-group <?php echo (!empty($password_err)) ? 'has-error' : ''; ?>">
            <label>Password</label>
            <input type="password" name="password" class="form-control" value="<?php echo $password; ?>">
            <span class="help-block"><?php echo $password_err; ?></span>
        </div>
            <div class="form-group <?php echo (!empty($confirm_password_err)) ? 'has-error' : ''; ?>">
                <label>Confirm Password</label>
                <input type="password" name="confirm_password" class="form-control" value="<?php echo $confirm_password; ?>">
                <span class="help-block"><?php echo $confirm_password_err; ?></span>
            </div>
            <div class="form-group">
                <input type="submit" class="btn btn-primary" value="Submit">
                <input type="reset" class="btn btn-default" value="Reset">
            </div>
            <p>Already have an account? <a href="login.php">Login here</a>.</p>
        </form>
    </div>
</body>
</html>