<?php
header('Content-Type: application/json');
require_once 'db/config.php';

if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
    echo json_encode(['success' => false, 'error' => 'Invalid request method.']);
    exit;
}

$name = trim($_POST['name'] ?? '');
$email = trim($_POST['email'] ?? '');
$message = trim($_POST['message'] ?? '');

if (empty($name) || empty($email) || empty($message)) {
    echo json_encode(['success' => false, 'error' => 'All fields are required.']);
    exit;
}

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

$db = db();
if (!$db) {
    echo json_encode(['success' => false, 'error' => 'Database connection failed.']);
    exit;
}

try {
    $stmt = $db->prepare("INSERT INTO contact_requests (name, email, message) VALUES (?, ?, ?)");
    $stmt->execute([$name, $email, $message]);
    
    // Optional: Send email via MailService if configured
    if (file_exists('mail/MailService.php')) {
        require_once 'mail/MailService.php';
        // MailService::sendContactMessage($name, $email, $message);
    }

    echo json_encode(['success' => true, 'message' => 'Thank you! Your message has been received.']);
} catch (PDOException $e) {
    error_log("Database error: " . $e->getMessage());
    echo json_encode(['success' => false, 'error' => 'Failed to save your request. Please try again later.']);
}