location.href='login.php';";
exit;
}
$user_id = $_SESSION['user_id'];
$pdo = db();
// Fetch user info
$stmt = $pdo->prepare("SELECT uid, username FROM users WHERE id = ?");
$stmt->execute([$user_id]);
$user = $stmt->fetch();
// Get user IP
$user_ip = $_SERVER['REMOTE_ADDR'];
if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$user_ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
}
// Fetch greeting message
$stmt = $pdo->prepare("SELECT value FROM settings WHERE name = 'chat_greeting'");
$stmt->execute();
$greeting = $stmt->fetchColumn() ?: 'Hello! Welcome to NovaEx official support. How can we help you today?';
// Handle POST request via AJAX
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['message'])) {
$msg = trim($_POST['message']);
if ($msg !== '') {
$stmt = $pdo->prepare("INSERT INTO messages (user_id, sender, message) VALUES (?, 'user', ?)");
$stmt->execute([$user_id, $msg]);
echo json_encode(['success' => true]);
}
exit;
}
?>