export type RuntimeNotFoundRecoveryAction = {
  nextStage: 'platform';
  nextPath: '/';
  shouldAlert: true;
};

/**
 * 中文注释：直接打开 /runtime/<玩法>?work=<作品号> 时，如果作品不存在，
 * 弹窗关闭后必须回到首页，避免继续停留在没有运行态数据的空白页面。
 */
export function resolveRuntimeNotFoundRecoveryAction(
  pathname: string,
): RuntimeNotFoundRecoveryAction | null {
  const normalizedPath = pathname.trim().toLowerCase().replace(/\/+$/u, '');
  if (
    normalizedPath === '/runtime/puzzle' ||
    normalizedPath === '/runtime/match3d' ||
    normalizedPath === '/runtime/big-fish' ||
    normalizedPath === '/runtime/square-hole' ||
    normalizedPath === '/runtime/visual-novel'
  ) {
    return {
      nextStage: 'platform',
      nextPath: '/',
      shouldAlert: true,
    };
  }

  return null;
}

/**
 * 中文注释：公开作品详情页和运行态深链都可能在作品被删除或下架后失效。
 * 这类入口没有上一层可回退的详情数据，确认提示后统一回首页，避免空详情页白屏。
 */
export function resolveWorkNotFoundRecoveryAction(
  pathname: string,
): RuntimeNotFoundRecoveryAction | null {
  const normalizedPath = pathname.trim().toLowerCase().replace(/\/+$/u, '');

  if (
    normalizedPath === '/works/detail' ||
    normalizedPath === '/gallery/puzzle/detail' ||
    normalizedPath === '/gallery/visual-novel/detail'
  ) {
    return {
      nextStage: 'platform',
      nextPath: '/',
      shouldAlert: true,
    };
  }

  return resolveRuntimeNotFoundRecoveryAction(pathname);
}