<?php
header('Content-Type: application/json');

require_once __DIR__ . '/mail/MailService.php';

$response = [];

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $name = trim($_POST['name'] ?? '');
    $email = trim($_POST['email'] ?? '');
    $message = trim($_POST['message'] ?? '');

    if (empty($name) || empty($email) || empty($message)) {
        $response = ['success' => false, 'message' => 'Please fill in all fields.'];
    } elseif (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
        $response = ['success' => false, 'message' => 'Please provide a valid email address.'];
    } else {
        // The recipient email address. If MAIL_TO is not set, it will fall back to MAIL_FROM.
        // It's recommended to set MAIL_TO in your .env file.
        $to = getenv('MAIL_TO') ?: null;
        $subject = 'New Contact Form Submission from ' . $name;

        $mailResult = MailService::sendContactMessage($name, $email, $message, $to, $subject);

        if (!empty($mailResult['success'])) {
            $response = ['success' => true, 'message' => 'Your message has been sent successfully!'];
        } else {
            error_log('MailService Error: ' . ($mailResult['error'] ?? 'Unknown error'));
            $response = ['success' => false, 'message' => 'Sorry, there was an error sending your message. Please try again later.'];
        }
    }
} else {
    $response = ['success' => false, 'message' => 'Invalid request method.'];
}

echo json_encode($response);