import assert from 'node:assert/strict';
import test from 'node:test';
import {
  createMindSpaceRemoteServerAdapter,
  mindspaceRemoteServerAdapterInternals,
  validateMindSpaceRemoteContract,
} from './mindspace-remote-server-adapter.mjs';
import {
  MINDSPACE_SERVER_ADAPTER_BINDINGS,
  MINDSPACE_SERVER_ADAPTER_CONTRACT_VERSION,
  MINDSPACE_SERVER_ADAPTER_REQUIRED_CAPABILITIES,
} from './mindspace-server-adapter-contract.mjs';

test('buildRemoteOperationUrl normalizes endpoint and encodes operation path', () => {
  assert.equal(
    mindspaceRemoteServerAdapterInternals.buildRemoteOperationUrl(
      'https://mindspace.example.com/',
      'assetService',
      'renderAssetPreview',
      '/internal/mindspace-adapter',
    ),
    'https://mindspace.example.com/internal/mindspace-adapter/assetService/renderAssetPreview',
  );
});

test('createMindSpaceRemoteServerAdapter validates endpoint at startup', async () => {
  const adapter = createMindSpaceRemoteServerAdapter({
    fetchFn: async () => {
      throw new Error('should not fetch');
    },
  });
  await assert.rejects(() => adapter.assertReady(), /MINDSPACE_REMOTE_BASE_URL/);
});

test('createMindSpaceRemoteServerAdapter validates remote contract before startup succeeds', async () => {
  const calls = [];
  const adapter = createMindSpaceRemoteServerAdapter({
    endpoint: 'https://mindspace.example.com/',
    authToken: 'secret-token',
    fetchFn: async (url, init) => {
      calls.push({ url, init });
      return {
        ok: true,
        status: 200,
        async text() {
          return JSON.stringify({
            contractVersion:
              MINDSPACE_SERVER_ADAPTER_CONTRACT_VERSION,
            bindings: MINDSPACE_SERVER_ADAPTER_BINDINGS,
            requiredCapabilities:
              MINDSPACE_SERVER_ADAPTER_REQUIRED_CAPABILITIES,
            buildId: 'mindspace-test',
            gitSha: 'abc123',
          });
        },
      };
    },
    logger: { log() {}, warn() {}, error() {} },
  });

  await assert.doesNotReject(() => adapter.assertReady());
  assert.equal(
    calls[0].url,
    'https://mindspace.example.com/mindspace/v1/contract',
  );
  assert.equal(calls[0].init.method, 'GET');
  assert.equal(
    calls[0].init.headers.Authorization,
    'Bearer secret-token',
  );
});

test('createMindSpaceRemoteServerAdapter rejects stale remote contracts', async () => {
  const adapter = createMindSpaceRemoteServerAdapter({
    endpoint: 'https://mindspace.example.com/',
    fetchFn: async () => ({
      ok: true,
      status: 200,
      async text() {
        return JSON.stringify({
          contractVersion: 1,
          bindings: {
            assetService: ['renderAssetPreview'],
          },
          requiredCapabilities: [],
        });
      },
    }),
    logger: { log() {}, warn() {}, error() {} },
  });

  await assert.rejects(
    () => adapter.assertReady(),
    (error) =>
      error?.code === 'mindspace_contract_incompatible' &&
      /workspacePublicationDeliveryService/.test(error.message),
  );
});

test('validateMindSpaceRemoteContract reports missing capabilities and methods', () => {
  assert.throws(
    () =>
      validateMindSpaceRemoteContract({
        contractVersion:
          MINDSPACE_SERVER_ADAPTER_CONTRACT_VERSION,
        bindings: {
          chatSaveService: ['createSharedHtml'],
        },
        requiredCapabilities: ['chat-save-authority'],
      }),
    /missing method chatSaveService\.materializeWorkspaceHtml/,
  );
});

test('createMindSpaceRemoteServerAdapter proxies server binding methods through fetch transport', async () => {
  const calls = [];
  const adapter = createMindSpaceRemoteServerAdapter({
    endpoint: 'https://mindspace.example.com/',
    authToken: 'secret-token',
    operationBasePath: '/internal/mindspace-adapter/',
    timeoutMs: 3000,
    fetchFn: async (url, init) => {
      calls.push({ url, init });
      return {
        ok: true,
        status: 200,
        async text() {
          return JSON.stringify({ ok: true, source: 'remote' });
        },
      };
    },
    logger: { log() {}, warn() {}, error() {} },
  });

  const result = await adapter.assetService.renderAssetPreview({ userId: 'u1', assetId: 'a1' });

  assert.deepEqual(result, { ok: true, source: 'remote' });
  assert.equal(calls.length, 1);
  assert.equal(
    calls[0].url,
    'https://mindspace.example.com/internal/mindspace-adapter/assetService/renderAssetPreview',
  );
  assert.equal(calls[0].init.method, 'POST');
  assert.equal(calls[0].init.headers.Authorization, 'Bearer secret-token');
  assert.deepEqual(JSON.parse(calls[0].init.body), {
    args: [{ userId: 'u1', assetId: 'a1' }],
  });
});

test('createMindSpaceRemoteServerAdapter exposes conversation package read methods', async () => {
  const calls = [];
  const adapter = createMindSpaceRemoteServerAdapter({
    endpoint: 'https://mindspace.example.com/',
    authToken: 'secret-token',
    fetchFn: async (url, init) => {
      calls.push({ url, init });
      return {
        ok: true,
        status: 200,
        async text() {
          return JSON.stringify({ packageId: 'cp-session-1' });
        },
      };
    },
    logger: { log() {}, warn() {}, error() {} },
  });

  await adapter.conversationPackageRegistry.readManifestForSession({
    userId: 'user-1',
    sessionId: 'session-1',
  });
  await adapter.conversationPackageRegistry.readArtifactObject({
    userId: 'user-1',
    sessionId: 'session-1',
    artifactId: 'artifact-1',
  });

  assert.match(calls[0].url, /conversationPackageRegistry\/readManifestForSession$/);
  assert.match(calls[1].url, /conversationPackageRegistry\/readArtifactObject$/);
  assert.deepEqual(JSON.parse(calls[0].init.body), {
    args: [{ userId: 'user-1', sessionId: 'session-1' }],
  });
  assert.deepEqual(JSON.parse(calls[1].init.body), {
    args: [{ userId: 'user-1', sessionId: 'session-1', artifactId: 'artifact-1' }],
  });
  assert.equal(calls[0].init.headers.Authorization, 'Bearer secret-token');
  assert.equal(calls[1].init.headers.Authorization, 'Bearer secret-token');
});

test('createMindSpaceRemoteServerAdapter exposes the chat save write authority', async () => {
  const calls = [];
  const adapter = createMindSpaceRemoteServerAdapter({
    endpoint: 'https://mindspace.example.com/',
    authToken: 'secret-token',
    fetchFn: async (url, init) => {
      calls.push({ url, init });
      return {
        ok: true,
        status: 200,
        async text() {
          return JSON.stringify({
            html: '<html>ready</html>',
            relativePath: 'public/report.html',
            changed: true,
          });
        },
      };
    },
    logger: { log() {}, warn() {}, error() {} },
  });
  const input = {
    userId: 'user-1',
    sourceContent: 'source',
    html: '<html>draft</html>',
    relativePath: 'public/report.html',
  };

  const result =
    await adapter.chatSaveService.materializeWorkspaceHtml(input);

  assert.equal(result.changed, true);
  assert.match(
    calls[0].url,
    /chatSaveService\/materializeWorkspaceHtml$/,
  );
  assert.deepEqual(JSON.parse(calls[0].init.body), {
    args: [input],
  });
  assert.equal(
    calls[0].init.headers.Authorization,
    'Bearer secret-token',
  );
});

test('createMindSpaceRemoteServerAdapter creates shared HTML through MindSpace', async () => {
  const calls = [];
  const adapter = createMindSpaceRemoteServerAdapter({
    endpoint: 'https://mindspace.example.com/',
    authToken: 'secret-token',
    fetchFn: async (url, init) => {
      calls.push({ url, init });
      return {
        ok: true,
        status: 200,
        async text() {
          return JSON.stringify({
            publicUrl:
              'https://example.com/MindSpace/user-1/public/shared/page.html',
            filename: 'page.html',
          });
        },
      };
    },
    logger: { log() {}, warn() {}, error() {} },
  });
  const input = {
    userId: 'user-1',
    html: '<html>page</html>',
    sourceFilename: 'page.html',
  };

  const result =
    await adapter.chatSaveService.createSharedHtml(input);

  assert.equal(result.filename, 'page.html');
  assert.match(
    calls[0].url,
    /chatSaveService\/createSharedHtml$/,
  );
  assert.deepEqual(JSON.parse(calls[0].init.body), {
    args: [input],
  });

  const workspaceInput = {
    userId: 'user-1',
    sessionId: 'session-1',
    relativePath: 'oa/notes.txt',
    body: 'generated notes',
  };
  await adapter.conversationArtifactService
    .registerWorkspaceFileArtifact(
      workspaceInput,
    );
  assert.match(
    calls[1].url,
    /conversationArtifactService\/registerWorkspaceFileArtifact$/,
  );
  assert.deepEqual(JSON.parse(calls[1].init.body), {
    args: [workspaceInput],
  });
});

test('createMindSpaceRemoteServerAdapter exposes conversation artifact write authority', async () => {
  const calls = [];
  const adapter = createMindSpaceRemoteServerAdapter({
    endpoint: 'https://mindspace.example.com/',
    authToken: 'secret-token',
    fetchFn: async (url, init) => {
      calls.push({ url, init });
      return {
        ok: true,
        status: 200,
        async text() {
          return JSON.stringify([
            { artifactId: 'artifact-1' },
          ]);
        },
      };
    },
    logger: { log() {}, warn() {}, error() {} },
  });
  const input = {
    userId: 'user-1',
    sessionId: 'session-1',
    artifactRefs: [
      {
        relativePath: 'public/report.html',
        messageId: 'message-1',
      },
    ],
  };

  const result =
    await adapter.conversationArtifactService
      .registerPublicHtmlArtifacts(input);

  assert.deepEqual(result, [
    { artifactId: 'artifact-1' },
  ]);
  assert.match(
    calls[0].url,
    /conversationArtifactService\/registerPublicHtmlArtifacts$/,
  );
  assert.deepEqual(JSON.parse(calls[0].init.body), {
    args: [input],
  });
});

test('createMindSpaceRemoteServerAdapter exposes public Finish write authority', async () => {
  const calls = [];
  const adapter = createMindSpaceRemoteServerAdapter({
    endpoint: 'https://mindspace.example.com/',
    authToken: 'secret-token',
    fetchFn: async (url, init) => {
      calls.push({ url, init });
      return {
        ok: true,
        status: 200,
        async text() {
          return JSON.stringify({
            materialized: ['public/report.html'],
            publicHtmlRelativePaths: [
              'public/report.html',
            ],
          });
        },
      };
    },
    logger: { log() {}, warn() {}, error() {} },
  });
  const input = {
    userId: 'user-1',
    sessionId: 'session-1',
    messages: [],
  };

  const result =
    await adapter.publicFinishService
      .syncAfterFinish(input);

  assert.deepEqual(result.publicHtmlRelativePaths, [
    'public/report.html',
  ]);
  assert.match(
    calls[0].url,
    /publicFinishService\/syncAfterFinish$/,
  );
  assert.deepEqual(JSON.parse(calls[0].init.body), {
    args: [input],
  });
});

test('createMindSpaceRemoteServerAdapter exposes WeChat Page Data delivery authority', async () => {
  const calls = [];
  const adapter = createMindSpaceRemoteServerAdapter({
    endpoint: 'https://mindspace.example.com/',
    authToken: 'secret-token',
    fetchFn: async (url, init) => {
      calls.push({ url, init });
      return {
        ok: true,
        status: 200,
        async text() {
          return JSON.stringify({
            outcome: { action: 'send' },
            deliveryArtifacts: [
              {
                relativePath:
                  'public/report.html',
                url: 'https://example.com/MindSpace/user-1/public/report.html',
              },
            ],
          });
        },
      };
    },
    logger: { log() {}, warn() {}, error() {} },
  });
  const input = {
    userId: 'user-1',
    reply: {
      text: 'published',
      messages: [],
    },
    intent: {
      agentText: 'build a survey',
    },
    publicBaseUrl: 'https://example.com',
  };

  const result =
    await adapter.publicFinishService
      .prepareWechatPageDataDelivery(input);

  assert.equal(result.outcome.action, 'send');
  assert.match(
    calls[0].url,
    /publicFinishService\/prepareWechatPageDataDelivery$/,
  );
  assert.deepEqual(JSON.parse(calls[0].init.body), {
    args: [input],
  });
});

test('createMindSpaceRemoteServerAdapter exposes WeChat HTML and thumbnail authority', async () => {
  const calls = [];
  const adapter =
    createMindSpaceRemoteServerAdapter({
      endpoint:
        'https://mindspace.example.com/',
      authToken: 'secret-token',
      fetchFn: async (url, init) => {
        calls.push({ url, init });
        const thumbnail =
          String(url).endsWith(
            '/ensureWechatFreshPageThumbnails',
          );
        return {
          ok: true,
          status: 200,
          async text() {
            return JSON.stringify(
              thumbnail
                ? { ok: true }
                : {
                    confirmedArtifacts: [
                      {
                        relativePath:
                          'public/page.html',
                        url:
                          'https://example.com/MindSpace/user-1/public/page.html',
                      },
                    ],
                  },
            );
          },
        };
      },
      logger: {
        log() {},
        warn() {},
        error() {},
      },
    });
  const prepareInput = {
    userId: 'user-1',
    sessionId: 'session-1',
    reply: {
      text: 'done',
      messages: [],
    },
  };
  const thumbnailInput = {
    userId: 'user-1',
    sessionId: 'session-1',
    artifacts: [
      {
        relativePath:
          'public/page.html',
      },
    ],
  };

  const prepared =
    await adapter.publicFinishService
      .prepareWechatHtmlDelivery(
        prepareInput,
      );
  const thumbnail =
    await adapter.publicFinishService
      .ensureWechatFreshPageThumbnails(
        thumbnailInput,
      );

  assert.equal(
    prepared.confirmedArtifacts[0]
      .relativePath,
    'public/page.html',
  );
  assert.equal(thumbnail.ok, true);
  assert.match(
    calls[0].url,
    /publicFinishService\/prepareWechatHtmlDelivery$/,
  );
  assert.match(
    calls[1].url,
    /publicFinishService\/ensureWechatFreshPageThumbnails$/,
  );
  assert.deepEqual(
    JSON.parse(calls[0].init.body),
    { args: [prepareInput] },
  );
  assert.deepEqual(
    JSON.parse(calls[1].init.body),
    { args: [thumbnailInput] },
  );
});

test('createMindSpaceRemoteServerAdapter exposes logical workspace delivery authority', async () => {
  const calls = [];
  const adapter =
    createMindSpaceRemoteServerAdapter({
      endpoint:
        'https://mindspace.example.com/',
      authToken: 'secret-token',
      fetchFn: async (url, init) => {
        calls.push({ url, init });
        return {
          ok: true,
          status: 200,
          async text() {
            return JSON.stringify({
              action: 'deliver',
              kind: 'html',
              ownerId: 'user-1',
              relativePath:
                'public/report.html',
              html: '<html></html>',
            });
          },
        };
      },
      logger: {
        log() {},
        warn() {},
        error() {},
      },
    });
  const input = {
    requestPath:
      '/user-1/public/report.html',
  };

  const result =
    await adapter
      .workspacePublicationDeliveryService
      .resolveWorkspaceRequest(input);

  assert.equal(result.kind, 'html');
  assert.match(
    calls[0].url,
    /workspacePublicationDeliveryService\/resolveWorkspaceRequest$/,
  );
  assert.deepEqual(
    JSON.parse(calls[0].init.body),
    { args: [input] },
  );
});

test('createMindSpaceRemoteServerAdapter exposes binary and long-image workspace tools', async () => {
  const calls = [];
  const adapter =
    createMindSpaceRemoteServerAdapter({
      endpoint:
        'https://mindspace.example.com/',
      authToken: 'secret-token',
      fetchFn: async (url, init) => {
        calls.push({ url, init });
        return {
          ok: true,
          status: 200,
          async text() {
            return JSON.stringify({
              relativePath:
                'public/output.bin',
            });
          },
        };
      },
      logger: {
        log() {},
        warn() {},
        error() {},
      },
    });
  const binaryInput = {
    workspaceRef:
      'mindspace://users/user-1/workspace',
    sessionId: 'session-1',
    packageId: 'cp_session-1',
    path: 'public/report.docx',
    bodyBase64:
      Buffer.from('PK').toString('base64'),
  };
  const imageInput = {
    workspaceRef:
      'mindspace://users/user-1/workspace',
    sessionId: 'session-1',
    packageId: 'cp_session-1',
    htmlPath: 'public/report.html',
  };

  await adapter.workspaceToolService
    .writeBinaryFile(binaryInput);
  await adapter.workspaceToolService
    .generateLongImage(imageInput);

  assert.match(
    calls[0].url,
    /workspaceToolService\/writeBinaryFile$/,
  );
  assert.match(
    calls[1].url,
    /workspaceToolService\/generateLongImage$/,
  );
  assert.deepEqual(
    JSON.parse(calls[0].init.body),
    { args: [binaryInput] },
  );
  assert.deepEqual(
    JSON.parse(calls[1].init.body),
    { args: [imageInput] },
  );
});

test('createMindSpaceRemoteServerAdapter rejects unknown binding methods', () => {
  const adapter = createMindSpaceRemoteServerAdapter({
    endpoint: 'https://mindspace.example.com',
    fetchFn: async () => ({ ok: true, status: 204, text: async () => '' }),
    logger: { log() {}, warn() {}, error() {} },
  });

  assert.throws(() => adapter.assetService.notARealMethod, /does not expose/);
  assert.throws(
    () => adapter.conversationPackageRegistry.recordArtifact,
    /does not expose/,
  );
});

test('createMindSpaceRemoteServerAdapter surfaces remote conversation package errors with binding context', async () => {
  const adapter = createMindSpaceRemoteServerAdapter({
    endpoint: 'https://mindspace.example.com/',
    authToken: 'secret-token',
    fetchFn: async () => ({
      ok: false,
      status: 502,
      async text() {
        return 'upstream manifest missing';
      },
    }),
    logger: { log() {}, warn() {}, error() {} },
  });

  await assert.rejects(
    () => adapter.conversationPackageRegistry.readManifestForSession({
      userId: 'user-1',
      sessionId: 'session-1',
    }),
    /conversationPackageRegistry\.readManifestForSession\(\) failed with 502: upstream manifest missing/,
  );
});

test('createMindSpaceRemoteServerAdapter preserves publication error codes from rpc payload', async () => {
  const adapter = createMindSpaceRemoteServerAdapter({
    endpoint: 'https://mindspace.example.com/',
    authToken: 'secret-token',
    fetchFn: async () => ({
      ok: false,
      status: 404,
      async text() {
        return JSON.stringify({
          message: '公开页面不存在',
          code: 'publication_not_found',
        });
      },
    }),
    logger: { log() {}, warn() {}, error() {} },
  });

  await assert.rejects(
    () => adapter.publicationService.resolvePublic('john', 'missing-page', null, null, {}),
    (error) => error instanceof Error && error.code === 'publication_not_found',
  );
});