import assert from 'node:assert/strict';
import test from 'node:test';
import { attachPortalMindSpaceAssetRoutes } from './portal-mindspace-asset-routes.mjs';

function createRouterRecorder() {
  const routes = new Map();
  return {
    routes,
    get(path, handler) {
      routes.set(`GET ${path}`, handler);
    },
    post(path, handler) {
      routes.set(`POST ${path}`, handler);
    },
    delete(path, handler) {
      routes.set(`DELETE ${path}`, handler);
    },
  };
}

function createResponseRecorder() {
  return {
    statusCode: 200,
    body: undefined,
    headers: {},
    filePath: undefined,
    mimeType: undefined,
    status(code) {
      this.statusCode = code;
      return this;
    },
    json(body) {
      this.body = body;
      return this;
    },
    set(name, value) {
      this.headers[name] = value;
      return this;
    },
    setHeader(name, value) {
      this.headers[name] = value;
      return this;
    },
    type(value) {
      this.mimeType = value;
      return this;
    },
    send(body) {
      this.body = body;
      return this;
    },
    sendFile(filePath) {
      this.filePath = filePath;
      return this;
    },
  };
}

function createRequest(overrides = {}) {
  const headers = Object.fromEntries(
    Object.entries(overrides.headers ?? {}).map(([key, value]) => [
      key.toLowerCase(),
      value,
    ]),
  );
  return {
    body: {},
    query: {},
    params: {},
    currentUser: { id: 'user-1' },
    userSession: null,
    ip: '127.0.0.1',
    requestId: 'request-1',
    headers,
    get(name) {
      return headers[String(name).toLowerCase()];
    },
    ...overrides,
    headers,
  };
}

function createDependencies(overrides = {}) {
  const calls = {
    data: [],
    mapped: [],
  };
  return {
    calls,
    dependencies: {
      ensureMindSpaceEnabled: () => true,
      sendData(res, req, data, status = 200) {
        calls.data.push({ res, req, data, status });
        return res.status(status).json({ data });
      },
      handleMindSpaceError(res, req, error) {
        calls.mapped.push({ res, req, error });
        return res.status(418).json({ mapped: error.message });
      },
      ...overrides,
    },
  };
}

test('MindSpace asset module preserves route inventory and order', () => {
  const api = createRouterRecorder();
  attachPortalMindSpaceAssetRoutes(api);
  assert.deepEqual([...api.routes.keys()], [
    'GET /mindspace/v1/authorize-image',
    'GET /mindspace/v1/assets/:assetId/download',
    'GET /mindspace/v1/assets/:assetId/thumbnail',
    'GET /mindspace/v1/assets/:assetId/preview',
    'POST /mindspace/v1/pages/from-asset',
    'DELETE /mindspace/v1/assets/:assetId',
  ]);
});

test('authorize image preserves gates, query, cache policy, and expiry', async () => {
  const rows = [];
  const api = createRouterRecorder();
  const dependencies = createDependencies({
    getMindSpacePublications: () => ({}),
    getDatabasePool: () => ({
      async query(sql, params) {
        assert.match(sql, /h5_publication_asset_refs/);
        assert.deepEqual(params, ['asset-1']);
        return [rows];
      },
    }),
    now: () => 1_000,
  });
  attachPortalMindSpaceAssetRoutes(api, dependencies.dependencies);
  const handler = api.routes.get('GET /mindspace/v1/authorize-image');

  const missingRes = createResponseRecorder();
  await handler(createRequest({ query: {} }), missingRes);
  assert.equal(missingRes.statusCode, 400);

  rows.splice(0, rows.length, { access_mode: 'public', expires_at: null });
  const publicRes = createResponseRecorder();
  await handler(createRequest({ query: { asset_id: 'asset-1' } }), publicRes);
  assert.equal(publicRes.statusCode, 200);
  assert.equal(
    publicRes.headers['Cache-Control'],
    'public, max-age=31536000, immutable',
  );

  rows.splice(0, rows.length, {
    access_mode: 'time_limited',
    expires_at: 2_000,
  });
  const timedRes = createResponseRecorder();
  await handler(createRequest({ query: { asset_id: 'asset-1' } }), timedRes);
  assert.equal(timedRes.statusCode, 200);
  assert.equal(timedRes.headers['Cache-Control'], 'public, max-age=60');

  rows.splice(0, rows.length, {
    access_mode: 'time_limited',
    expires_at: 999,
  });
  const expiredRes = createResponseRecorder();
  await handler(createRequest({ query: { asset_id: 'asset-1' } }), expiredRes);
  assert.equal(expiredRes.statusCode, 403);

  rows.splice(0);
  const missingRefRes = createResponseRecorder();
  await handler(
    createRequest({ query: { asset_id: 'asset-1' } }),
    missingRefRes,
  );
  assert.equal(missingRefRes.statusCode, 403);

  const unavailableApi = createRouterRecorder();
  attachPortalMindSpaceAssetRoutes(unavailableApi);
  const unavailableRes = createResponseRecorder();
  await unavailableApi.routes.get('GET /mindspace/v1/authorize-image')(
    createRequest({ query: { asset_id: 'asset-1' } }),
    unavailableRes,
  );
  assert.equal(unavailableRes.statusCode, 503);
});

test('authorize image preserves internal error response and logging', async () => {
  const logs = [];
  const api = createRouterRecorder();
  attachPortalMindSpaceAssetRoutes(api, {
    getMindSpacePublications: () => ({}),
    getDatabasePool: () => ({
      async query() {
        throw new Error('query failed');
      },
    }),
    logger: {
      error(...args) {
        logs.push(args);
      },
    },
  });
  const res = createResponseRecorder();
  await api.routes.get('GET /mindspace/v1/authorize-image')(
    createRequest({ query: { asset_id: 'asset-1' } }),
    res,
  );
  assert.equal(res.statusCode, 500);
  assert.deepEqual(res.body, { error: 'Internal server error' });
  assert.deepEqual(logs[0], ['[authorize-image]', 'query failed']);
});

test('authenticated download preserves audit, headers, and file response', async () => {
  const audit = [];
  const api = createRouterRecorder();
  const dependencies = createDependencies({
    getMindSpaceAssets: () => ({
      async readAsset(userId, assetId) {
        assert.equal(userId, 'user-1');
        assert.equal(assetId, 'asset-1');
        return {
          asset: {
            filename: '报告 1.pdf',
            mimeType: 'application/pdf',
            riskLevel: 'low',
          },
          path: '/tmp/report.pdf',
        };
      },
    }),
    getMindSpaceAudit: () => ({
      async write(entry) {
        audit.push(entry);
      },
    }),
  });
  attachPortalMindSpaceAssetRoutes(api, dependencies.dependencies);
  const res = createResponseRecorder();
  await api.routes.get('GET /mindspace/v1/assets/:assetId/download')(
    createRequest({
      params: { assetId: 'asset-1' },
      query: {},
      ip: '10.0.0.1',
    }),
    res,
  );
  assert.equal(res.mimeType, 'application/pdf');
  assert.equal(res.filePath, '/tmp/report.pdf');
  assert.equal(
    res.headers['Content-Disposition'],
    "attachment; filename*=UTF-8''%E6%8A%A5%E5%91%8A%201.pdf",
  );
  assert.equal(res.headers['X-Request-Id'], 'request-1');
  assert.deepEqual(audit[0], {
    userId: 'user-1',
    action: 'asset.download',
    objectType: 'asset',
    objectId: 'asset-1',
    ip: '10.0.0.1',
    riskLevel: 'low',
    detail: undefined,
  });
});

test('image download preserves inline viewer response', async () => {
  const viewerCalls = [];
  const api = createRouterRecorder();
  attachPortalMindSpaceAssetRoutes(api, {
    ensureMindSpaceEnabled: () => true,
    getMindSpaceAssets: () => ({
      async readAsset() {
        return {
          asset: {
            filename: 'cover.png',
            displayName: 'Cover',
            mimeType: 'image/png',
            riskLevel: 'none',
          },
          path: '/tmp/cover.png',
        };
      },
    }),
    wantsImageViewer(req) {
      viewerCalls.push(req);
      return true;
    },
    renderImageViewer(input) {
      viewerCalls.push(input);
      return '<html>viewer</html>';
    },
  });
  const req = createRequest({
    params: { assetId: 'asset/image' },
    query: { inline: '1' },
  });
  const res = createResponseRecorder();
  await api.routes.get('GET /mindspace/v1/assets/:assetId/download')(req, res);
  assert.equal(res.body, '<html>viewer</html>');
  assert.equal(res.headers['Content-Type'], 'text/html; charset=utf-8');
  assert.equal(res.headers['Cache-Control'], 'private, no-store');
  assert.deepEqual(viewerCalls[1], {
    asset: {
      filename: 'cover.png',
      displayName: 'Cover',
      mimeType: 'image/png',
      riskLevel: 'none',
    },
    downloadUrl:
      '/api/mindspace/v1/assets/asset%2Fimage/download?inline=1',
  });
});

test('anonymous download preserves publication, signed-token, referrer, and denial rules', async () => {
  const audit = [];
  const rows = [];
  const api = createRouterRecorder();
  const dependencies = createDependencies({
    getMindSpaceAssets: () => ({
      async readPublicAsset(assetId) {
        return {
          asset: {
            filename: `${assetId}.png`,
            mimeType: 'image/png',
            riskLevel: 'none',
          },
          path: `/tmp/${assetId}.png`,
        };
      },
    }),
    getDatabasePool: () => ({
      async query() {
        return [rows];
      },
    }),
    getInternalAgentSecret: () => 'secret-1',
    verifyAssetToken(assetId, token, secret) {
      return assetId === 'asset-1' &&
        token === 'valid-token' &&
        secret === 'secret-1';
    },
    resolveRequestOrigin: () => 'https://portal.example.com',
    getMindSpaceAudit: () => ({
      async write(entry) {
        audit.push(entry);
      },
    }),
  });
  attachPortalMindSpaceAssetRoutes(api, dependencies.dependencies);
  const handler = api.routes.get('GET /mindspace/v1/assets/:assetId/download');

  rows.splice(0, rows.length, { access_mode: 'public' });
  await handler(
    createRequest({
      currentUser: null,
      params: { assetId: 'asset-public' },
      query: {},
    }),
    createResponseRecorder(),
  );
  assert.deepEqual(audit.at(-1).detail, { accessMode: 'public' });

  rows.splice(0);
  await handler(
    createRequest({
      currentUser: null,
      params: { assetId: 'asset-1' },
      query: { public_token: 'valid-token' },
    }),
    createResponseRecorder(),
  );
  assert.deepEqual(audit.at(-1).detail, {
    accessMode: 'signed-public-token',
  });

  await handler(
    createRequest({
      currentUser: null,
      params: { assetId: 'asset-referrer' },
      query: {},
      headers: {
        referer: 'https://portal.example.com/MindSpace/user/public/page.html',
      },
    }),
    createResponseRecorder(),
  );
  assert.deepEqual(audit.at(-1).detail, {
    accessMode: 'public-page-referrer',
  });

  const deniedRes = createResponseRecorder();
  await handler(
    createRequest({
      currentUser: null,
      params: { assetId: 'asset-denied' },
      query: {},
    }),
    deniedRes,
  );
  assert.equal(deniedRes.statusCode, 401);
  assert.deepEqual(deniedRes.body, { message: '未授权，请重新登录' });
});

test('thumbnail, preview, and delete preserve service calls and response metadata', async () => {
  const calls = [];
  const audit = [];
  const assets = {
    async renderAssetThumbnail(userId, assetId) {
      calls.push({ kind: 'thumbnail', userId, assetId });
      return '<svg />';
    },
    async renderAssetPreview(userId, assetId) {
      calls.push({ kind: 'preview', userId, assetId });
      return '<html>preview</html>';
    },
    async deleteAsset(userId, assetId) {
      calls.push({ kind: 'delete', userId, assetId });
      return { id: assetId, deleted: true };
    },
  };
  const api = createRouterRecorder();
  const dependencies = createDependencies({
    getMindSpaceAssets: () => assets,
    getMindSpaceAudit: () => ({
      async write(entry) {
        audit.push(entry);
      },
    }),
  });
  attachPortalMindSpaceAssetRoutes(api, dependencies.dependencies);
  const req = createRequest({
    params: { assetId: 'asset-1' },
    ip: '10.0.0.2',
  });

  const thumbnailRes = createResponseRecorder();
  await api.routes.get('GET /mindspace/v1/assets/:assetId/thumbnail')(
    req,
    thumbnailRes,
  );
  assert.equal(thumbnailRes.body, '<svg />');
  assert.equal(
    thumbnailRes.headers['Content-Type'],
    'image/svg+xml; charset=utf-8',
  );

  const previewRes = createResponseRecorder();
  await api.routes.get('GET /mindspace/v1/assets/:assetId/preview')(
    req,
    previewRes,
  );
  assert.equal(previewRes.body, '<html>preview</html>');
  assert.equal(previewRes.headers['Cache-Control'], 'private, no-store');

  await api.routes.get('DELETE /mindspace/v1/assets/:assetId')(
    req,
    createResponseRecorder(),
  );
  assert.deepEqual(calls, [
    { kind: 'thumbnail', userId: 'user-1', assetId: 'asset-1' },
    { kind: 'preview', userId: 'user-1', assetId: 'asset-1' },
    { kind: 'delete', userId: 'user-1', assetId: 'asset-1' },
  ]);
  assert.deepEqual(audit, [{
    userId: 'user-1',
    action: 'asset.delete',
    objectType: 'asset',
    objectId: 'asset-1',
    ip: '10.0.0.2',
  }]);
  assert.deepEqual(dependencies.calls.data[0].data, {
    id: 'asset-1',
    deleted: true,
  });
});

test('from-asset preserves existing-page reuse and HTML page creation', async () => {
  const existingApi = createRouterRecorder();
  const existingDependencies = createDependencies({
    getMindSpaceAssets: () => ({}),
    getMindSpacePages: () => ({
      async findPageBySourceAsset(userId, assetId) {
        assert.equal(userId, 'user-1');
        assert.equal(assetId, 'asset-1');
        return { id: 'page-existing', categoryCode: null };
      },
    }),
  });
  attachPortalMindSpaceAssetRoutes(
    existingApi,
    existingDependencies.dependencies,
  );
  await existingApi.routes.get('POST /mindspace/v1/pages/from-asset')(
    createRequest({ body: { asset_id: 'asset-1' } }),
    createResponseRecorder(),
  );
  assert.deepEqual(existingDependencies.calls.data[0].data, {
    kind: 'page',
    categoryCode: 'draft',
    page: { id: 'page-existing', categoryCode: null },
  });

  const calls = [];
  const createApi = createRouterRecorder();
  const createDependenciesResult = createDependencies({
    getMindSpaceAssets: () => ({
      async readAsset(userId, assetId) {
        calls.push({ kind: 'read-asset', userId, assetId });
        return {
          asset: {
            id: 'asset-2',
            mimeType: 'text/html',
            originalFilename: 'landing.html',
            displayName: 'Landing',
            categoryCode: 'document',
          },
          path: '/tmp/landing.html',
        };
      },
    }),
    getMindSpacePages: () => ({
      async findPageBySourceAsset() {
        return null;
      },
      async findPageByRelativePath(userId, relativePath) {
        calls.push({ kind: 'find-path', userId, relativePath });
        return null;
      },
      async createFromChat(userId, input, metadata) {
        calls.push({ kind: 'create', userId, input, metadata });
        return { id: 'page-2', title: input.title };
      },
    }),
    normalizeWorkspacePath(value) {
      calls.push({ kind: 'normalize', value });
      return value;
    },
    async readFile(path, encoding) {
      calls.push({ kind: 'read-file', path, encoding });
      return '<html>Landing</html>';
    },
  });
  attachPortalMindSpaceAssetRoutes(
    createApi,
    createDependenciesResult.dependencies,
  );
  const res = createResponseRecorder();
  await createApi.routes.get('POST /mindspace/v1/pages/from-asset')(
    createRequest({
      body: {
        asset_id: 'asset-2',
        title: 'Custom title',
        summary: 'Summary',
        template_id: 'template-1',
      },
    }),
    res,
  );
  assert.equal(res.statusCode, 201);
  assert.deepEqual(res.body, {
    data: {
      kind: 'page',
      categoryCode: 'draft',
      page: { id: 'page-2', title: 'Custom title' },
    },
  });
  assert.deepEqual(calls.find((call) => call.kind === 'create'), {
    kind: 'create',
    userId: 'user-1',
    input: {
      title: 'Custom title',
      summary: 'Summary',
      content: '<html>Landing</html>',
      contentFormat: 'html',
      templateId: 'template-1',
      categoryCode: 'draft',
    },
    metadata: {
      assetId: 'asset-2',
      snapshot: {
        source_asset_id: 'asset-2',
        source_category: 'document',
        content_mode: 'html',
        relative_path: 'public/landing.html',
      },
    },
  });
});

test('asset route errors preserve denied audit and shared mapping', async () => {
  const failure = Object.assign(new Error('blocked'), {
    code: 'security_risk_blocked',
  });
  const audit = [];
  const api = createRouterRecorder();
  const dependencies = createDependencies({
    getMindSpaceAssets: () => ({
      async readAsset() {
        throw failure;
      },
      async renderAssetThumbnail() {
        throw failure;
      },
      async renderAssetPreview() {
        throw failure;
      },
      async deleteAsset() {
        throw failure;
      },
    }),
    getMindSpacePages: () => ({
      async findPageBySourceAsset() {
        throw failure;
      },
    }),
    getMindSpaceAudit: () => ({
      async write(entry) {
        audit.push(entry);
      },
    }),
  });
  attachPortalMindSpaceAssetRoutes(api, dependencies.dependencies);

  for (const route of [
    'GET /mindspace/v1/assets/:assetId/download',
    'GET /mindspace/v1/assets/:assetId/thumbnail',
    'GET /mindspace/v1/assets/:assetId/preview',
    'POST /mindspace/v1/pages/from-asset',
    'DELETE /mindspace/v1/assets/:assetId',
  ]) {
    await api.routes.get(route)(
      createRequest({
        params: { assetId: 'asset-1' },
        body: { asset_id: 'asset-1' },
      }),
      createResponseRecorder(),
    );
  }
  assert.equal(dependencies.calls.mapped.length, 5);
  assert.deepEqual(audit[0], {
    userId: 'user-1',
    action: 'asset.download',
    objectType: 'asset',
    objectId: 'asset-1',
    ip: '127.0.0.1',
    result: 'denied',
    riskLevel: 'high',
  });
});