function assertRouter(api, attachName) {
  if (!api || typeof api.get !== 'function') {
    throw new Error(`${attachName} requires an Express-compatible router`);
  }
}

export function attachPortalImageMakeRuntimeConfigRoute(
  api,
  {
    getImageMakeAdminConfigService = () => null,
  } = {},
) {
  assertRouter(api, 'attachPortalImageMakeRuntimeConfigRoute');

  api.get('/internal/image-make/runtime-config', async (req, res) => {
    const imageMakeAdminConfigService = getImageMakeAdminConfigService();
    if (!imageMakeAdminConfigService?.authorizeRuntimeRequest) {
      return res.status(503).json({ message: 'image_make 配置服务未启用' });
    }
    const authHeader = String(req.get('authorization') ?? '');
    const token = authHeader.startsWith('Bearer ') ? authHeader.slice(7).trim() : '';
    if (!imageMakeAdminConfigService.authorizeRuntimeRequest(token)) {
      return res.status(401).json({ message: '未授权' });
    }
    const runtime = await imageMakeAdminConfigService.getRuntimeConfig();
    if (!runtime.ok) {
      return res.status(503).json({ message: runtime.message ?? 'image_make 运行时配置无效' });
    }
    return res.json(runtime);
  });
}

export function attachPortalBlockedWordsRoute(
  api,
  {
    waitForUserAuthReady = async () => {},
    getWordFilterService = () => null,
  } = {},
) {
  assertRouter(api, 'attachPortalBlockedWordsRoute');

  api.get('/config/blocked-words', async (_req, res) => {
    await waitForUserAuthReady();
    const wordFilterService = getWordFilterService();
    if (!wordFilterService) return res.json({ words: [] });
    const words = await wordFilterService.listAllForFrontend();
    res.json({ words });
  });
}