interface TelegramWebAppUser {
  id: number;
  is_bot: boolean;
  first_name: string;
  last_name?: string;
  username?: string;
  language_code?: string;
}

interface TelegramWebAppInitData {
  user?: TelegramWebAppUser;
}

interface TelegramWebApp {
  initData: string;
  initDataUnsafe: TelegramWebAppInitData;
  ready: () => void;
}

interface TelegramNamespace {
  WebApp: TelegramWebApp;
}

interface Window {
  Telegram?: TelegramNamespace;
}