import fs from 'node:fs';
import path from 'node:path';

const root = path.resolve(new URL('..', import.meta.url).pathname);

function read(relativePath) {
  return fs.readFileSync(path.join(root, relativePath), 'utf8');
}

function assertIncludes(label, source, snippet) {
  if (!source.includes(snippet)) {
    throw new Error(`${label} is missing required guard snippet:\n${snippet}`);
  }
}

const serverSource = read('server.mjs');
const pagesSource = read('mindspace-pages.mjs');
const contractSource = read('mindspace-server-adapter-contract.mjs');

assertIncludes(
  'server.mjs syncUserGeneratedPages',
  serverSource,
  'await mindSpacePageSync.syncUserGeneratedPages(userId);',
);
if (serverSource.includes("mindSpaceServerRuntime.adapterKind === 'remote'")) {
  throw new Error(
    'server.mjs must not skip page sync in remote mode; use pageSyncService RPC instead',
  );
}

assertIncludes(
  'mindspace-server-adapter-contract.mjs',
  contractSource,
  "pageSyncService: Object.freeze(['syncUserGeneratedPages'])",
);

assertIncludes(
  'mindspace-pages.mjs',
  pagesSource,
  'readPageContentWithWorkspaceFallback',
);
assertIncludes(
  'mindspace-pages.mjs workspace fallback',
  pagesSource,
  "snapshot.relative_path ?? null",
);

const publicSiteBasesSource = read('src/utils/public-site-bases.mjs');
const publicUrlSource = read('src/utils/publicUrl.ts');
const buildRuntimeSource = read('scripts/build-portal-runtime.mjs');

assertIncludes(
  'public-site-bases.mjs loopback guard',
  publicSiteBasesSource,
  'isLoopbackPublicBase',
);
assertIncludes(
  'publicUrl.ts uses public-site-bases',
  publicUrlSource,
  "from './public-site-bases.mjs'",
);
assertIncludes(
  'build-portal-runtime.mjs production plaza default',
  buildRuntimeSource,
  'https://plaza.tkmind.cn',
);

console.log('mindspace page sync + thumbnail regression guards ok');