<?php
header('Content-Type: multipart/form-data');
header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Methods: DELETE, HEAD, GET, OPTIONS, POST, PUT');
header('Access-Control-Allow-Headers: Content-Type, Content-Range, Content-Disposition, Content-Description');
const SMTP_USERNAME = "phpemailresponser@gmail.com";
const SMTP_PASSWORD = "mQWewpe8";
const SMTP_FROM_EMAIL = "phpemailresponser@gmail.com";
const SMTP_FROM_NAME = "hanacakes.sk";
const SMTP_TARGET_EMAIL = "info@hanacakes.sk";
const SMTP_CC_EMAIL = "infohanacakes@gmail.com";
const SMTP_HOST = "smtp.gmail.com";
const SMTP_SUBJECT = "Objednávka [Torta] - Hana Cakes";
//enable preflight request
if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') {
http_response_code(200);
exit();
}
require './phpmailer/PHPMailerAutoload.php';
//test request is valid, if not return 400 - bad request
if (!isRequestValid()) {
    http_response_code(400);
    echo "Invalid request";
    exit();
}
$name = $_POST['name'];
$email = $_POST['email'];
$phone = $_POST['phone'];
$date = $_POST['date'];
$floors = $_POST['floors'];
$average = $_POST['average'];
$taste = $_POST['taste'];
$korpus = $_POST['korpus'];
$cream = $_POST['cream'];
$gel = $_POST['gel'];
$message = $_POST['message'];
if (!isDataValid($name, $email, $phone, $date, $floors, $average, $taste, $korpus, $cream, $gel, $message)) {
    http_response_code(400);
    echo "Invalid data";
    exit();
}
sendMail($name, $email, $phone, date('d.m.Y', strtotime($date)), $floors, $average, $taste, $korpus, $cream, $gel, $message);
/*************************************************************************/
/**
 * Test request method is POST and content type is application/json
 */
function isRequestValid() {
    if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
        return false;
    }
    return true;
}
function isDataValid($name, $email, $phone, $date, $floors, $average, $taste, $korpus, $cream, $gel, $message) {
    if (empty($name)) {
        return false;
    }
    if (empty($email) || !filter_var($email, FILTER_VALIDATE_EMAIL)) {
            return false;
        }
    if (empty($phone)) {
        return false;
    }
    if (empty($date)) {
        return false;
    }
    if (empty($floors)) {
        return false;
    }
    if (empty($average)) {
        return false;
    }
    if (empty($taste)) {
        return false;
    }
    if (empty($korpus)) {
        return false;
    }
    if (empty($cream)) {
        return false;
    }
    if (empty($gel)) {
        return false;
    }
    if (empty($message)) {
        return false;
    }
    return true;
}
function sendMail($name, $email, $phone, $date, $floors, $average, $taste, $korpus, $cream, $gel, $message) {
    $mail = new PHPMailer;
    $mail->SMTPDebug = 0;                               // Enable verbose debug output
    $mail->isSMTP();                                      // Set mailer to use SMTP
    $mail->CharSet="UTF-8";
    $mail->Host = SMTP_HOST;  // Specify main and backup SMTP servers
    $mail->SMTPAuth = true;                               // Enable SMTP authentication
    $mail->Username = SMTP_USERNAME;                      // SMTP username
    $mail->Password = SMTP_PASSWORD;                      // SMTP password
    $mail->SMTPSecure = 'tls';                            // Enable TLS encryption, `ssl` also accepted
    $mail->Port = 587;                                    // TCP port to connect to
    $mail->setFrom(SMTP_FROM_EMAIL, SMTP_FROM_NAME);
  $mail->addAddress(SMTP_TARGET_EMAIL);                   // Add a recipient
  $mail->addCC(SMTP_CC_EMAIL);                      // Add a copy recipient
  $mail->addBcc(SMTP_BCC_EMAIL);                    // Add secret recipient
    $mail->addReplyTo($email, $name);
    $mail->isHTML(true);                                  // Set email format to HTML
    $mail->Subject = SMTP_SUBJECT;
    $mail->Body = "<b>Správa od:</b><br>$name<br>$phone<br>$email<br><b>Dátum vybavenie objednávky:</b><br>$date<br><br><b>Počet poschodí torty:</b><br>$floors<br><b>Priemer torty:</b><br>$average<br><b>Torta:</b><br>$taste<br><b>Korpus:</b><br>$korpus<br><b>Krém:</b><br>$cream<br><b>Gél:</b><br>$gel<br><br><b>Obsah správy:</b><br>$message";
    if (isset($_FILES['file'])) {
        $mail->AddAttachment($_FILES['file']['tmp_name'], $_FILES['file']['name']);
    }
    if(!$mail->send()) {
        http_response_code(500);
        echo "Encountered error while sending email.";
        exit();
    } else {
        http_response_code(200);
    }
}
?>