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

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

// Basic validation
if (empty($_POST['name']) || empty($_POST['email'])) {
    echo json_encode(['success' => false, 'message' => 'Name and Email are required.']);
    exit;
}

if (!filter_var($_POST['email'], FILTER_VALIDATE_EMAIL)) {
    echo json_encode(['success' => false, 'message' => 'Invalid email format.']);
    exit;
}

$name = htmlspecialchars($_POST['name']);
$email = htmlspecialchars($_POST['email']);
$message = htmlspecialchars($_POST['message'] ?? 'No message provided.');

// The email body that the admin will receive
$fullMessage = "New training interest sign-up:\n\nName: {$name}\nEmail: {$email}\n\nMessage:\n{$message}";

// Send email to admin/organizer. The recipient is configured in .env (MAIL_TO)
$result = MailService::sendContactMessage(
    $name,          // User's name
    $email,         // User's email, used as Reply-To
    $fullMessage    // The message body
    // $to is omitted, so it falls back to MAIL_TO from config
);

if (!empty($result['success'])) {
    echo json_encode(['success' => true, 'message' => 'Thank you for your interest! We will be in touch shortly.']);
} else {
    // In a real app, log the detailed error: error_log('MailService Error: ' . $result['error']);
    echo json_encode(['success' => false, 'message' => 'Sorry, there was an issue sending your message. Please try again later.']);
}