import assert from 'node:assert/strict';
import test from 'node:test';
import { attachPortalSessionRoutes } from './portal-session-routes.mjs';

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

function createResponseRecorder() {
  return {
    statusCode: 200,
    body: undefined,
    ended: false,
    status(code) {
      this.statusCode = code;
      return this;
    },
    json(body) {
      this.body = body;
      return this;
    },
    send(body) {
      this.body = body;
      return this;
    },
    end() {
      this.ended = true;
      return this;
    },
  };
}

function createRequest(overrides = {}) {
  return {
    params: { sessionId: 'session-1' },
    query: {},
    currentUser: {
      id: 'user-1',
      username: 'alice',
    },
    ...overrides,
  };
}

function createSnapshot(overrides = {}) {
  return {
    meta: {
      synced_msg_count: 2,
      source_updated_at: 'updated-1',
    },
    session: {
      id: 'session-1',
      name: 'Session',
    },
    messages: [
      {
        id: 'message-1',
        role: 'assistant',
        content: 'Hello',
        metadata: { userVisible: true },
      },
    ],
    ...overrides,
  };
}

function createUpstream({
  ok = true,
  status = 200,
  body = { id: 'session-1', conversation: [] },
  text = '',
} = {}) {
  return {
    ok,
    status,
    async json() {
      return body;
    },
    async text() {
      return text;
    },
  };
}

function createDependencies(overrides = {}) {
  const calls = {
    waits: 0,
    owns: [],
    unregister: [],
    begin: [],
    end: [],
    syncPages: [],
    artifacts: [],
  };
  const proxy = {
    async resolveTarget(sessionId) {
      return `target:${sessionId}`;
    },
    async apiFetchTo() {
      return createUpstream();
    },
    proxySessionEvents(_req, _res, sessionId, hooks) {
      return { sessionId, hooks };
    },
  };
  return {
    calls,
    proxy,
    dependencies: {
      h5Root: '/workspace',
      env: {},
      async waitForUserAuthReady() {
        calls.waits += 1;
      },
      getUserAuth: () => ({}),
      getTkmindProxy: () => proxy,
      getSessionSnapshotService: () => null,
      getAuthPool: () => null,
      getMindSpaceAssets: () => null,
      getMemoryV2: () => null,
      getMindSpaceAnalyticsConfig: () => ({}),
      isWorkspaceMaintenanceEnabled: () => false,
      async ownsAgentSession(userId, sessionId) {
        calls.owns.push({ userId, sessionId });
        return true;
      },
      async unregisterAgentSessionForUser(userId, sessionId) {
        calls.unregister.push({ userId, sessionId });
      },
      beginSessionPageDelivery(sessionId) {
        calls.begin.push(sessionId);
      },
      endSessionPageDelivery(sessionId) {
        calls.end.push(sessionId);
      },
      async syncUserGeneratedPages(userId, options) {
        calls.syncPages.push({ userId, options });
      },
      async registerPublicHtmlArtifactsForConversation(input) {
        calls.artifacts.push(input);
      },
      isDirectChatSessionIdFn: () => false,
      isPortalDirectChatSnapshotFn: () => false,
      shouldExpirePortalDirectChatSnapshotFn: async () => false,
      sanitizeSessionConversationFn: (messages) => messages,
      repairSessionConversationFromDbFn: async (
        _pool,
        session,
      ) => session,
      filterNonemptyUserVisibleMessagesFn: (messages) => messages,
      resolveMindSpaceUserPublishDirFn: () =>
        '/workspace/user-1',
      collectPublicHtmlWritePathsFn: () => [],
      preparePageDeliveryContractFn: async () => ({}),
      materializePublicHtmlWritesFn: () => {},
      sendMindSpaceAnalyticsEventFn: async () => {},
      resolveAnalyticsOwnerSegmentFn: () => 'segment',
      resolveAnalyticsOwnerLabelFn: () => 'label',
      resolveAnalyticsPlanFn: () => 'pro',
      syncPublicHtmlAfterFinishFn: async () => ({
        publicHtmlRelativePaths: [],
      }),
      resolveMindSpaceRuntimeConfigFn: () => ({
        storageRoot: '/storage',
      }),
      maybeRepairH5HtmlAfterFinishFn: async () => ({
        skipped: 'ok',
      }),
      maybeRepairPageDataAfterFinishFn: async () => ({
        skipped: 'not_page_data',
      }),
      markPageDeliveryContractReadyFn: async () => true,
      fileExists: () => true,
      resolvePath: (...parts) => parts.join('/'),
      publishRootDir: 'MindSpace',
      logger: {
        warn() {},
      },
      ...overrides,
    },
  };
}

test('session module preserves route inventory and order', () => {
  const api = createRouterRecorder();
  attachPortalSessionRoutes(api, createDependencies().dependencies);
  assert.deepEqual([...api.routes.keys()], [
    'GET /sessions/:sessionId',
    'DELETE /sessions/:sessionId',
    'GET /sessions/:sessionId/events',
  ]);
});

test('session detail uses ordinary snapshot only when both hints match', async () => {
  const snapshot = createSnapshot();
  let upstreamCalls = 0;
  const snapshotService = {
    isEnabled: () => true,
    get: async () => snapshot,
    save: async () => {},
  };
  const setup = createDependencies({
    getSessionSnapshotService: () => snapshotService,
    getTkmindProxy: () => ({
      async resolveTarget() {
        return 'goose';
      },
      async apiFetchTo() {
        upstreamCalls += 1;
        return createUpstream({
          body: {
            id: 'session-1',
            source: 'goose',
            conversation: [],
          },
        });
      },
    }),
  });
  const api = createRouterRecorder();
  attachPortalSessionRoutes(api, setup.dependencies);
  const handler = api.routes.get('GET /sessions/:sessionId');

  const noHintsRes = createResponseRecorder();
  await handler(createRequest(), noHintsRes, () => {});
  assert.equal(noHintsRes.body.source, 'goose');
  assert.equal(upstreamCalls, 1);

  const matchedRes = createResponseRecorder();
  await handler(
    createRequest({
      query: {
        hint_mc: '2',
        hint_ua: 'updated-1',
      },
    }),
    matchedRes,
    () => {},
  );
  assert.equal(matchedRes.body.name, 'Session');
  assert.equal(matchedRes.body.conversation.length, 1);
  assert.equal(upstreamCalls, 1);
});

test('direct and portal-direct snapshots bypass ordinary cache hints', async () => {
  for (const directMode of ['session-id', 'snapshot']) {
    const api = createRouterRecorder();
    let upstreamCalls = 0;
    const setup = createDependencies({
      getSessionSnapshotService: () => ({
        isEnabled: () => true,
        get: async () => createSnapshot(),
      }),
      isDirectChatSessionIdFn: () => directMode === 'session-id',
      isPortalDirectChatSnapshotFn: () =>
        directMode === 'snapshot',
      getTkmindProxy: () => ({
        async resolveTarget() {
          return 'goose';
        },
        async apiFetchTo() {
          upstreamCalls += 1;
          return createUpstream();
        },
      }),
    });
    attachPortalSessionRoutes(api, setup.dependencies);
    const res = createResponseRecorder();
    await api.routes.get('GET /sessions/:sessionId')(
      createRequest(),
      res,
      () => {},
    );
    assert.equal(res.body.name, 'Session');
    assert.equal(upstreamCalls, 0);
  }
});

test('session detail expires stale portal snapshot and writes through Goose result', async () => {
  const calls = [];
  const snapshotService = {
    isEnabled: () => true,
    get: async () => createSnapshot(),
    async remove(sessionId) {
      calls.push({ kind: 'remove', sessionId });
    },
    async save(sessionId, userId, session, messages) {
      calls.push({
        kind: 'save',
        sessionId,
        userId,
        session,
        messages,
      });
    },
  };
  const api = createRouterRecorder();
  const setup = createDependencies({
    getAuthPool: () => ({ id: 'pool' }),
    getSessionSnapshotService: () => snapshotService,
    shouldExpirePortalDirectChatSnapshotFn: async () => true,
    sanitizeSessionConversationFn(messages) {
      calls.push({ kind: 'sanitize', messages });
      return messages.map((message) => ({
        ...message,
        sanitized: true,
      }));
    },
    async repairSessionConversationFromDbFn(
      pool,
      session,
      sessionId,
      userId,
    ) {
      calls.push({
        kind: 'repair',
        pool,
        sessionId,
        userId,
      });
      return { ...session, repaired: true };
    },
    getTkmindProxy: () => ({
      async resolveTarget() {
        return 'goose';
      },
      async apiFetchTo() {
        return createUpstream({
          body: {
            id: 'session-1',
            conversation: [
              {
                id: 'message-1',
                metadata: { userVisible: true },
              },
            ],
          },
        });
      },
    }),
  });
  attachPortalSessionRoutes(api, setup.dependencies);
  const res = createResponseRecorder();
  await api.routes.get('GET /sessions/:sessionId')(
    createRequest(),
    res,
    () => {},
  );
  await Promise.resolve();
  assert.equal(res.body.repaired, true);
  assert.deepEqual(calls.map((call) => call.kind), [
    'remove',
    'sanitize',
    'repair',
    'save',
  ]);
});

test('session routes preserve ownership and unavailable fallthrough', async () => {
  const unavailableApi = createRouterRecorder();
  let nextCalls = 0;
  const unavailable = createDependencies({
    getUserAuth: () => null,
  });
  attachPortalSessionRoutes(
    unavailableApi,
    unavailable.dependencies,
  );
  await unavailableApi.routes.get('GET /sessions/:sessionId')(
    createRequest(),
    createResponseRecorder(),
    () => {
      nextCalls += 1;
    },
  );
  assert.equal(nextCalls, 1);

  const deniedApi = createRouterRecorder();
  const denied = createDependencies({
    ownsAgentSession: async () => false,
  });
  attachPortalSessionRoutes(deniedApi, denied.dependencies);
  const deniedRes = createResponseRecorder();
  await deniedApi.routes.get('GET /sessions/:sessionId')(
    createRequest(),
    deniedRes,
    () => {},
  );
  assert.equal(deniedRes.statusCode, 403);
});

test('session delete preserves direct and Goose deletion behavior', async () => {
  for (const direct of [true, false]) {
    const removed = [];
    const api = createRouterRecorder();
    const setup = createDependencies({
      isDirectChatSessionIdFn: () => direct,
      getSessionSnapshotService: () => ({
        async remove(sessionId) {
          removed.push(sessionId);
        },
      }),
      getTkmindProxy: () => ({
        async resolveTarget(sessionId) {
          assert.equal(direct, false);
          return `target:${sessionId}`;
        },
        async apiFetchTo(target, pathname, init) {
          assert.equal(target, 'target:session-1');
          assert.equal(pathname, '/sessions/session-1');
          assert.equal(init.method, 'DELETE');
          return createUpstream({ ok: false, status: 404 });
        },
      }),
    });
    attachPortalSessionRoutes(api, setup.dependencies);
    const res = createResponseRecorder();
    await api.routes.get('DELETE /sessions/:sessionId')(
      createRequest(),
      res,
      () => {},
    );
    await Promise.resolve();
    assert.equal(res.statusCode, 204);
    assert.equal(res.ended, true);
    assert.deepEqual(setup.calls.unregister, [
      { userId: 'user-1', sessionId: 'session-1' },
    ]);
    assert.deepEqual(removed, ['session-1']);
  }
});

test('direct session events preserve snapshot and 404 behavior', async () => {
  const snapshot = createSnapshot();
  const api = createRouterRecorder();
  const setup = createDependencies({
    isDirectChatSessionIdFn: () => true,
    getSessionSnapshotService: () => ({
      get: async () => snapshot,
    }),
    sendDirectChatSessionEventsFn(req, res, received) {
      assert.equal(received, snapshot);
      return res.status(209).json({ direct: req.params.sessionId });
    },
  });
  attachPortalSessionRoutes(api, setup.dependencies);
  const res = createResponseRecorder();
  await api.routes.get('GET /sessions/:sessionId/events')(
    createRequest(),
    res,
    () => {},
  );
  assert.equal(res.statusCode, 209);
  assert.equal(res.body.direct, 'session-1');

  const missingApi = createRouterRecorder();
  const missing = createDependencies({
    isDirectChatSessionIdFn: () => true,
    getSessionSnapshotService: () => ({
      get: async () => null,
    }),
  });
  attachPortalSessionRoutes(missingApi, missing.dependencies);
  const missingRes = createResponseRecorder();
  await missingApi.routes.get('GET /sessions/:sessionId/events')(
    createRequest(),
    missingRes,
    () => {},
  );
  assert.equal(missingRes.statusCode, 404);
});

test('stream hook uses current session id for contracts and analytics', async () => {
  const calls = [];
  let captured = null;
  const api = createRouterRecorder();
  const setup = createDependencies({
    getAuthPool: () => ({ id: 'pool' }),
    collectPublicHtmlWritePathsFn: () => [
      'public/page.html',
    ],
    preparePageDeliveryContractFn(input) {
      calls.push({ kind: 'contract', input });
      return Promise.resolve({});
    },
    materializePublicHtmlWritesFn(event, options) {
      calls.push({ kind: 'materialize', event, options });
    },
    sendMindSpaceAnalyticsEventFn(input) {
      calls.push({ kind: 'analytics', input });
      return Promise.resolve();
    },
    getTkmindProxy: () => ({
      proxySessionEvents(_req, _res, sessionId, hooks) {
        captured = { sessionId, hooks };
        return captured;
      },
    }),
  });
  attachPortalSessionRoutes(api, setup.dependencies);
  await api.routes.get('GET /sessions/:sessionId/events')(
    createRequest(),
    createResponseRecorder(),
    () => {},
  );
  captured.hooks.onEvent({
    type: 'Message',
    message: {
      role: 'user',
      metadata: { memindRun: { pgRequired: true } },
    },
  });
  await Promise.resolve();
  assert.equal(calls[0].input.requestId, 'session-1');
  assert.equal(calls[0].input.pgRequired, true);
  assert.equal(calls[1].kind, 'materialize');
  assert.equal(calls[2].input.publicationId, 'session-1');
  assert.equal(calls[2].input.agentRunId, 'session-1');
  assert.equal(calls[2].input.planType, 'pro');
  assert.match(
    calls[2].input.generatedAt,
    /^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}Z$/,
  );
});

test('Finish hook preserves refresh, sync, delivery readiness, memory, and lock lifecycle', async () => {
  const calls = [];
  let hooks = null;
  const userMessage = {
    id: 'user-message',
    role: 'user',
    content: [{ type: 'text', text: ' build page ' }],
    metadata: {
      userVisible: true,
      memindRun: { pgRequired: true },
    },
  };
  const snapshotService = {
    isEnabled: () => true,
    async get() {
      return { messages: [userMessage] };
    },
    async refresh(sessionId, userId, apiFetchFn) {
      calls.push({ kind: 'refresh', sessionId, userId });
      assert.equal(typeof apiFetchFn, 'function');
    },
  };
  const setup = createDependencies({
    getAuthPool: () => ({ id: 'pool' }),
    getSessionSnapshotService: () => snapshotService,
    getMemoryV2: () => ({
      async observePersonalMemory(input) {
        calls.push({ kind: 'memory', input });
      },
    }),
    getTkmindProxy: () => ({
      async resolveTarget(sessionId) {
        return `target:${sessionId}`;
      },
      async apiFetchTo() {
        return createUpstream();
      },
      proxySessionEvents(_req, _res, _sessionId, receivedHooks) {
        hooks = receivedHooks;
      },
    }),
    beginSessionPageDelivery(sessionId) {
      calls.push({ kind: 'begin', sessionId });
    },
    endSessionPageDelivery(sessionId) {
      calls.push({ kind: 'end', sessionId });
    },
    async syncPublicHtmlAfterFinishFn(input) {
      calls.push({ kind: 'sync-html', input });
      await input.registerPublicHtmlArtifacts('user-1', {
        sessionId: 'session-1',
        relativePaths: ['public/page.html'],
      });
      return {
        publicHtmlRelativePaths: ['public/page.html'],
        docxSync: { missing: [] },
      };
    },
    async maybeRepairH5HtmlAfterFinishFn(input) {
      calls.push({ kind: 'repair-html', input });
      return { skipped: 'ok' };
    },
    async syncUserGeneratedPages(userId, options) {
      calls.push({ kind: 'sync-pages', userId, options });
    },
    async maybeRepairPageDataAfterFinishFn(input) {
      calls.push({ kind: 'repair-page-data', input });
      return { skipped: 'not_page_data' };
    },
    async preparePageDeliveryContractFn(input) {
      calls.push({ kind: 'prepare-contract', input });
      return {};
    },
    async markPageDeliveryContractReadyFn(input) {
      calls.push({ kind: 'ready', input });
      return true;
    },
    async registerPublicHtmlArtifactsForConversation(input) {
      calls.push({ kind: 'artifacts', input });
    },
  });
  const api = createRouterRecorder();
  attachPortalSessionRoutes(api, setup.dependencies);
  await api.routes.get('GET /sessions/:sessionId/events')(
    createRequest(),
    createResponseRecorder(),
    () => {},
  );
  await hooks.onAfterFinish('session-1', 'user-1');

  assert.equal(calls[0].kind, 'begin');
  assert.equal(calls.at(-1).kind, 'end');
  assert.deepEqual(
    calls
      .filter((call) =>
        [
          'refresh',
          'sync-html',
          'artifacts',
          'repair-html',
          'sync-pages',
          'repair-page-data',
          'prepare-contract',
          'ready',
          'memory',
        ].includes(call.kind),
      )
      .map((call) => call.kind),
    [
      'refresh',
      'sync-html',
      'artifacts',
      'repair-html',
      'sync-pages',
      'repair-page-data',
      'prepare-contract',
      'ready',
      'memory',
    ],
  );
  assert.equal(
    calls.find((call) => call.kind === 'repair-page-data').input
      .userText,
    'build page',
  );
});

test('Finish marks streamed HTML contracts ready when final sync omits one path', async () => {
  let hooks = null;
  const readyPaths = [];
  const preparedPaths = [];
  const setup = createDependencies({
    getAuthPool: () => ({ id: 'pool' }),
    getTkmindProxy: () => ({
      async resolveTarget(sessionId) {
        return `target:${sessionId}`;
      },
      async apiFetchTo() {
        return createUpstream();
      },
      proxySessionEvents(_req, _res, _sessionId, receivedHooks) {
        hooks = receivedHooks;
      },
    }),
    collectPublicHtmlWritePathsFn: () => [
      'public/shop-admin.html',
    ],
    async preparePageDeliveryContractFn(input) {
      preparedPaths.push(input.relativePath);
      return {};
    },
    async syncPublicHtmlAfterFinishFn() {
      return {
        publicHtmlRelativePaths: ['public/shop.html'],
        docxSync: { missing: [] },
      };
    },
    async markPageDeliveryContractReadyFn(input) {
      readyPaths.push(input.relativePath);
      return true;
    },
  });
  const api = createRouterRecorder();
  attachPortalSessionRoutes(api, setup.dependencies);
  await api.routes.get('GET /sessions/:sessionId/events')(
    createRequest(),
    createResponseRecorder(),
    () => {},
  );

  hooks.onEvent({
    type: 'Message',
    message: {
      role: 'assistant',
      content: [],
    },
  });
  await hooks.onAfterFinish('session-1', 'user-1');

  assert.ok(
    preparedPaths.includes('public/shop-admin.html'),
  );
  assert.deepEqual(readyPaths, [
    'public/shop-admin.html',
    'public/shop.html',
  ]);
});