declare const __DESKTOP_APP_VERSION__: string | undefined;

declare global {
  interface Window {
    __GC_APP_VERSION__?: string;
  }
}

/** Desktop Vite 빌드·index.html 인라인 스크립트에 주입된 앱 버전 */
export function readBakedDesktopAppVersion(): string | null {
  if (typeof window !== 'undefined') {
    const fromWindow = window.__GC_APP_VERSION__?.trim();
    if (fromWindow) return fromWindow;
  }
  if (typeof __DESKTOP_APP_VERSION__ !== 'undefined') {
    const fromDefine = __DESKTOP_APP_VERSION__.trim();
    if (fromDefine) return fromDefine;
  }
  return null;
}

export function formatDesktopWindowTitle(version: string | null | undefined): string {
  const v = version?.trim();
  return v ? `GoldenChart (v${v})` : 'GoldenChart';
}