import { expect, tap } from '@git.zone/tstest/tapbundle';
import { SmartRegistry } from '../ts/index.js';
import { createTestRegistry, createTestTokens, createTestPackument } from './helpers/registry.js';

let registry: SmartRegistry;
let npmToken: string;
let userId: string;

// Test data
const testPackageName = 'test-package';
const testVersion = '1.0.0';
const testTarballData = Buffer.from('fake tarball content', 'utf-8');

tap.test('NPM: should create registry instance', async () => {
  registry = await createTestRegistry();
  const tokens = await createTestTokens(registry);
  npmToken = tokens.npmToken;
  userId = tokens.userId;

  expect(registry).toBeInstanceOf(SmartRegistry);
  expect(npmToken).toBeTypeOf('string');
});

tap.test('NPM: should handle user authentication (PUT /-/user/org.couchdb.user:{user})', async () => {
  const response = await registry.handleRequest({
    method: 'PUT',
    path: '/npm/-/user/org.couchdb.user:testuser',
    headers: {},
    query: {},
    body: {
      name: 'testuser',
      password: 'testpass',
    },
  });

  expect(response.status).toEqual(201);
  expect(response.body).toHaveProperty('token');
  expect((response.body as any).token).toBeTypeOf('string');
});

tap.test('NPM: should publish a package (PUT /{package})', async () => {
  const packument = createTestPackument(testPackageName, testVersion, testTarballData);

  const response = await registry.handleRequest({
    method: 'PUT',
    path: `/npm/${testPackageName}`,
    headers: {
      Authorization: `Bearer ${npmToken}`,
      'Content-Type': 'application/json',
    },
    query: {},
    body: packument,
  });

  expect(response.status).toEqual(201);
  expect(response.body).toHaveProperty('ok');
  expect((response.body as any).ok).toEqual(true);
});

tap.test('NPM: should retrieve package metadata (GET /{package})', async () => {
  const response = await registry.handleRequest({
    method: 'GET',
    path: `/npm/${testPackageName}`,
    headers: {},
    query: {},
  });

  expect(response.status).toEqual(200);
  expect(response.body).toHaveProperty('name');
  expect((response.body as any).name).toEqual(testPackageName);
  expect((response.body as any).versions).toHaveProperty(testVersion);
  expect((response.body as any)['dist-tags'].latest).toEqual(testVersion);
});

tap.test('NPM: should retrieve specific version metadata (GET /{package}/{version})', async () => {
  const response = await registry.handleRequest({
    method: 'GET',
    path: `/npm/${testPackageName}/${testVersion}`,
    headers: {},
    query: {},
  });

  expect(response.status).toEqual(200);
  expect(response.body).toHaveProperty('version');
  expect((response.body as any).version).toEqual(testVersion);
  expect((response.body as any).name).toEqual(testPackageName);
});

tap.test('NPM: should download tarball (GET /{package}/-/{tarball})', async () => {
  const response = await registry.handleRequest({
    method: 'GET',
    path: `/npm/${testPackageName}/-/${testPackageName}-${testVersion}.tgz`,
    headers: {},
    query: {},
  });

  expect(response.status).toEqual(200);
  expect(response.body).toBeInstanceOf(Buffer);
  expect((response.body as Buffer).toString('utf-8')).toEqual('fake tarball content');
  expect(response.headers['Content-Type']).toEqual('application/octet-stream');
});

tap.test('NPM: should publish a new version of the package', async () => {
  const newVersion = '1.1.0';
  const newTarballData = Buffer.from('new version tarball', 'utf-8');
  const packument = createTestPackument(testPackageName, newVersion, newTarballData);

  const response = await registry.handleRequest({
    method: 'PUT',
    path: `/npm/${testPackageName}`,
    headers: {
      Authorization: `Bearer ${npmToken}`,
      'Content-Type': 'application/json',
    },
    query: {},
    body: packument,
  });

  expect(response.status).toEqual(201);

  // Verify the new version is available
  const getResponse = await registry.handleRequest({
    method: 'GET',
    path: `/npm/${testPackageName}`,
    headers: {},
    query: {},
  });

  expect(getResponse.status).toEqual(200);
  expect((getResponse.body as any).versions).toHaveProperty(newVersion);
});

tap.test('NPM: should get dist-tags (GET /-/package/{pkg}/dist-tags)', async () => {
  const response = await registry.handleRequest({
    method: 'GET',
    path: `/npm/-/package/${testPackageName}/dist-tags`,
    headers: {},
    query: {},
  });

  expect(response.status).toEqual(200);
  expect(response.body).toHaveProperty('latest');
  expect((response.body as any).latest).toBeTypeOf('string');
});

tap.test('NPM: should update dist-tag (PUT /-/package/{pkg}/dist-tags/{tag})', async () => {
  const response = await registry.handleRequest({
    method: 'PUT',
    path: `/npm/-/package/${testPackageName}/dist-tags/beta`,
    headers: {
      Authorization: `Bearer ${npmToken}`,
      'Content-Type': 'application/json',
    },
    query: {},
    body: '1.1.0',
  });

  expect(response.status).toEqual(200);

  // Verify the tag was updated
  const getResponse = await registry.handleRequest({
    method: 'GET',
    path: `/npm/${testPackageName}`,
    headers: {},
    query: {},
  });

  expect((getResponse.body as any)['dist-tags'].beta).toEqual('1.1.0');
});

tap.test('NPM: should delete dist-tag (DELETE /-/package/{pkg}/dist-tags/{tag})', async () => {
  const response = await registry.handleRequest({
    method: 'DELETE',
    path: `/npm/-/package/${testPackageName}/dist-tags/beta`,
    headers: {
      Authorization: `Bearer ${npmToken}`,
    },
    query: {},
  });

  expect(response.status).toEqual(200);

  // Verify the tag was deleted
  const getResponse = await registry.handleRequest({
    method: 'GET',
    path: `/npm/${testPackageName}`,
    headers: {},
    query: {},
  });

  expect((getResponse.body as any)['dist-tags']).not.toHaveProperty('beta');
});

tap.test('NPM: should create a new token (POST /-/npm/v1/tokens)', async () => {
  const response = await registry.handleRequest({
    method: 'POST',
    path: '/npm/-/npm/v1/tokens',
    headers: {
      Authorization: `Bearer ${npmToken}`,
      'Content-Type': 'application/json',
    },
    query: {},
    body: {
      password: 'testpass',
      readonly: true,
      cidr_whitelist: [],
    },
  });

  expect(response.status).toEqual(200);
  expect(response.body).toHaveProperty('token');
  expect((response.body as any).readonly).toEqual(true);
});

tap.test('NPM: should list tokens (GET /-/npm/v1/tokens)', async () => {
  const response = await registry.handleRequest({
    method: 'GET',
    path: '/npm/-/npm/v1/tokens',
    headers: {
      Authorization: `Bearer ${npmToken}`,
    },
    query: {},
  });

  expect(response.status).toEqual(200);
  expect(response.body).toHaveProperty('objects');
  expect((response.body as any).objects).toBeInstanceOf(Array);
  expect((response.body as any).objects.length).toBeGreaterThan(0);
});

tap.test('NPM: should search packages (GET /-/v1/search)', async () => {
  const response = await registry.handleRequest({
    method: 'GET',
    path: '/npm/-/v1/search',
    headers: {},
    query: {
      text: 'test',
      size: '20',
    },
  });

  expect(response.status).toEqual(200);
  expect(response.body).toHaveProperty('objects');
  expect((response.body as any).objects).toBeInstanceOf(Array);
  expect((response.body as any).total).toBeGreaterThan(0);
});

tap.test('NPM: should search packages with specific query', async () => {
  const response = await registry.handleRequest({
    method: 'GET',
    path: '/npm/-/v1/search',
    headers: {},
    query: {
      text: testPackageName,
    },
  });

  expect(response.status).toEqual(200);
  const results = (response.body as any).objects;
  expect(results.length).toBeGreaterThan(0);
  expect(results[0].package.name).toEqual(testPackageName);
});

tap.test('NPM: should unpublish a specific version (DELETE /{package}/-/{version})', async () => {
  const response = await registry.handleRequest({
    method: 'DELETE',
    path: `/npm/${testPackageName}/-/${testVersion}`,
    headers: {
      Authorization: `Bearer ${npmToken}`,
    },
    query: {},
  });

  expect(response.status).toEqual(200);

  // Verify the version was removed
  const getResponse = await registry.handleRequest({
    method: 'GET',
    path: `/npm/${testPackageName}`,
    headers: {},
    query: {},
  });

  expect((getResponse.body as any).versions).not.toHaveProperty(testVersion);
});

tap.test('NPM: should unpublish entire package (DELETE /{package}/-rev/{rev})', async () => {
  const response = await registry.handleRequest({
    method: 'DELETE',
    path: `/npm/${testPackageName}/-rev/1`,
    headers: {
      Authorization: `Bearer ${npmToken}`,
    },
    query: {},
  });

  expect(response.status).toEqual(200);

  // Verify the package was removed
  const getResponse = await registry.handleRequest({
    method: 'GET',
    path: `/npm/${testPackageName}`,
    headers: {},
    query: {},
  });

  expect(getResponse.status).toEqual(404);
});

tap.test('NPM: should return 404 for non-existent package', async () => {
  const response = await registry.handleRequest({
    method: 'GET',
    path: '/npm/non-existent-package',
    headers: {},
    query: {},
  });

  expect(response.status).toEqual(404);
  expect(response.body).toHaveProperty('error');
});

tap.test('NPM: should return 401 for unauthorized publish', async () => {
  const packument = createTestPackument('unauthorized-package', '1.0.0', testTarballData);

  const response = await registry.handleRequest({
    method: 'PUT',
    path: '/npm/unauthorized-package',
    headers: {
      // No authorization header
      'Content-Type': 'application/json',
    },
    query: {},
    body: packument,
  });

  expect(response.status).toEqual(401);
  expect(response.body).toHaveProperty('error');
});

tap.test('NPM: should reject readonly token for write operations', async () => {
  // Create a readonly token
  const authManager = registry.getAuthManager();
  const readonlyToken = await authManager.createNpmToken(userId, true);

  const packument = createTestPackument('readonly-test', '1.0.0', testTarballData);

  const response = await registry.handleRequest({
    method: 'PUT',
    path: '/npm/readonly-test',
    headers: {
      Authorization: `Bearer ${readonlyToken}`,
      'Content-Type': 'application/json',
    },
    query: {},
    body: packument,
  });

  expect(response.status).toEqual(401);
});

export default tap.start();