<?php
require __DIR__ . '/vendor/autoload.php'; // PHPMailer autoload
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;

// Load .env variables
$dotenv = Dotenv\Dotenv::createImmutable(__DIR__);
$dotenv->load();

// Collect form data safely
$name = $_POST['name'] ?? 'No Name';
$drinks = $_POST['drinks'] ?? 'None';
$allergies = $_POST['allergies'] ?? 'None';

$mail = new PHPMailer(true);

try {
    // SMTP configuration
    $mail->isSMTP();
    $mail->Host       = $_ENV['SMTP_HOST'];
    $mail->SMTPAuth   = true;
    $mail->Username   = $_ENV['SMTP_USER'];
    $mail->Password   = $_ENV['SMTP_PASS'];
    $mail->SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS;
    $mail->Port       = (int)$_ENV['SMTP_PORT'];

    // Email headers
    $mail->setFrom($_ENV['FROM_EMAIL'], $_ENV['FROM_NAME']);
    $mail->addAddress($_ENV['TO_EMAIL']);
    $mail->Subject = "New Wedding RSVP from $name";

    // Optional: guest reply-to
    if (!empty($_POST['email'])) {
        $mail->addReplyTo($_POST['email'], $name);
    }

    // Email body
    $body = "Name: $name\nDrinks: $drinks\nAllergies: $allergies\n";

    $mail->Body = $body;

    $mail->send();
    echo 'RSVP submitted successfully.';
} catch (Exception $e) {
    echo "RSVP could not be sent. Mailer Error: {$mail->ErrorInfo}";
}
?>