import { pseudoRandomBytes } from 'crypto';
import fs from 'fs';
import MockDate from 'mockdate';
import nock from 'nock';
import * as httpMocks from 'node-mocks-http';
import os from 'os';
import path from 'path';

import { Config, getDefaultConfig } from '@verdaccio/config';
import {
  API_ERROR,
  API_MESSAGE,
  DIST_TAGS,
  HEADERS,
  HEADER_TYPE,
  errorUtils,
  fileUtils,
} from '@verdaccio/core';
import { setup } from '@verdaccio/logger';
import {
  addNewVersion,
  generateLocalPackageMetadata,
  generatePackageMetadata,
  generateRemotePackageMetadata,
  getDeprecatedPackageMetadata,
} from '@verdaccio/test-helper';
import { AbbreviatedManifest, ConfigYaml, Manifest, PackageUsers, Version } from '@verdaccio/types';

import { Storage } from '../src';
import manifestFooRemoteNpmjs from './fixtures/manifests/foo-npmjs.json';
import { configExample } from './helpers';

function generateRandomStorage() {
  const tempStorage = pseudoRandomBytes(5).toString('hex');
  const tempRoot = fs.mkdtempSync(path.join(os.tmpdir(), '/verdaccio-test'));

  return path.join(tempRoot, tempStorage);
}

setup({ type: 'stdout', format: 'pretty', level: 'trace' });

const domain = 'https://registry.npmjs.org';
const fakeHost = 'localhost:4873';
const fooManifest = generatePackageMetadata('foo', '1.0.0');

const getConfig = (file, override: Partial<ConfigYaml> = {}): Config => {
  const config = new Config(
    configExample(
      {
        ...getDefaultConfig(),
        storage: generateRandomStorage(),
        ...override,
      },
      `./fixtures/config/${file}`,
      __dirname
    )
  );
  return config;
};

const defaultRequestOptions = {
  host: 'localhost',
  protocol: 'http',
  headers: {},
};

const executeStarPackage = async (
  storage,
  options: {
    users: PackageUsers;
    username: string;
    name: string;
    _rev: string;
    _id?: string;
  }
) => {
  const { name, _rev, _id, users, username } = options;
  const starManifest = {
    _rev,
    _id,
    users,
  };
  return storage.updateManifest(starManifest, {
    signal: new AbortController().signal,
    name,
    uplinksLook: true,
    revision: '1',
    requestOptions: { ...defaultRequestOptions, username },
  });
};

describe('storage', () => {
  beforeEach(() => {
    nock.cleanAll();
    nock.abortPendingRequests();
    jest.clearAllMocks();
  });

  describe('updateManifest', () => {
    describe('publishing', () => {
      test('create private package', async () => {
        const mockDate = '2018-01-14T11:17:40.712Z';
        MockDate.set(mockDate);
        const pkgName = 'upstream';
        const requestOptions = {
          host: 'localhost',
          protocol: 'http',
          headers: {},
        };
        const config = new Config(
          configExample(
            {
              ...getDefaultConfig(),
              storage: generateRandomStorage(),
            },
            './fixtures/config/updateManifest-1.yaml',
            __dirname
          )
        );
        const storage = new Storage(config);
        await storage.init(config);
        const bodyNewManifest = generatePackageMetadata(pkgName, '1.0.0');
        await storage.updateManifest(bodyNewManifest, {
          signal: new AbortController().signal,
          name: pkgName,
          uplinksLook: true,
          revision: '1',
          requestOptions,
        });
        const manifest = (await storage.getPackageByOptions({
          name: pkgName,
          uplinksLook: true,
          requestOptions,
        })) as Manifest;
        expect(manifest.name).toEqual(pkgName);
        expect(manifest._id).toEqual(pkgName);
        expect(Object.keys(manifest.versions)).toEqual(['1.0.0']);
        expect(manifest.time).toEqual({
          '1.0.0': mockDate,
          created: mockDate,
          modified: mockDate,
        });
        expect(manifest[DIST_TAGS]).toEqual({ latest: '1.0.0' });
        expect(manifest.readme).toEqual('# test');
        expect(manifest._attachments).toEqual({});
        expect(typeof manifest._rev).toBeTruthy();
      });

      // TODO: Review triggerUncaughtException exception on abort
      test.skip('abort creating a private package', async () => {
        const mockDate = '2018-01-14T11:17:40.712Z';
        MockDate.set(mockDate);
        const pkgName = 'upstream';
        const config = new Config(
          configExample(
            {
              storage: generateRandomStorage(),
            },
            './fixtures/config/updateManifest-1.yaml',
            __dirname
          )
        );
        const storage = new Storage(config);
        await storage.init(config);
        const ac = new AbortController();
        setTimeout(() => {
          ac.abort();
        }, 10);
        const bodyNewManifest = generatePackageMetadata(pkgName, '1.0.0');
        await expect(
          storage.updateManifest(bodyNewManifest, {
            signal: ac.signal,
            name: pkgName,
            uplinksLook: true,
            revision: '1',
            requestOptions: {
              host: 'localhost',
              protocol: 'http',
              headers: {},
            },
          })
        ).rejects.toThrow('should throw here');
      });

      test('create private package with multiple consecutive versions', async () => {
        const mockDate = '2018-01-14T11:17:40.712Z';
        MockDate.set(mockDate);
        const settings = {
          uplinksLook: true,
          revision: '1',
          requestOptions: {
            host: 'localhost',
            protocol: 'http',
            headers: {},
          },
        };
        const pkgName = 'upstream';
        // const storage = generateRandomStorage();
        const config = new Config(
          configExample(
            {
              storage: await fileUtils.createTempStorageFolder('storage-test'),
            },
            './fixtures/config/updateManifest-1.yaml',
            __dirname
          )
        );
        const storage = new Storage(config);
        await storage.init(config);
        // create a package
        const bodyNewManifest1 = generatePackageMetadata(pkgName, '1.0.0');
        await storage.updateManifest(bodyNewManifest1, {
          signal: new AbortController().signal,
          name: pkgName,
          ...settings,
        });
        // publish second version
        const bodyNewManifest2 = generatePackageMetadata(pkgName, '1.0.1');
        await storage.updateManifest(bodyNewManifest2, {
          signal: new AbortController().signal,
          name: pkgName,
          ...settings,
        });
        // retrieve package metadata
        const manifest = (await storage.getPackageByOptions({
          name: pkgName,
          uplinksLook: true,
          requestOptions: {
            host: 'localhost',
            protocol: 'http',
            headers: {},
          },
        })) as Manifest;
        expect(manifest.name).toEqual(pkgName);
        expect(manifest._id).toEqual(pkgName);
        expect(Object.keys(manifest.versions)).toEqual(['1.0.0', '1.0.1']);
        expect(manifest.time).toEqual({
          '1.0.0': mockDate,
          '1.0.1': mockDate,
          created: mockDate,
          modified: mockDate,
        });
        expect(manifest[DIST_TAGS]).toEqual({ latest: '1.0.1' });
        expect(manifest.readme).toEqual('# test');
        expect(manifest._attachments).toEqual({});
        expect(typeof manifest._rev).toBeTruthy();
        // verify the version structure is correct
        const manifestVersion = (await storage.getPackageByOptions({
          name: pkgName,
          version: '1.0.1',
          uplinksLook: true,
          requestOptions: {
            host: 'localhost',
            protocol: 'http',
            headers: {},
          },
        })) as Version;
        expect(manifestVersion.name).toEqual(pkgName);
        expect(manifestVersion.version).toEqual('1.0.1');
        expect(manifestVersion._id).toEqual(`${pkgName}@1.0.1`);
        expect(manifestVersion.description).toEqual('package generated');
        expect(manifestVersion.dist).toEqual({
          integrity:
            'sha512-6gHiERpiDgtb3hjqpQH5/i7zRmvYi9pmCjQf2ZMy3QEa9wVk9RgdZaPWUt7ZOnWUPFjcr9cmE6dUBf+XoPoH4g==',
          shasum: '2c03764f651a9f016ca0b7620421457b619151b9',
          tarball: 'http://localhost:5555/upstream/-/upstream-1.0.1.tgz',
        });

        expect(manifestVersion.contributors).toEqual([]);
        expect(manifestVersion.main).toEqual('index.js');
        expect(manifestVersion.author).toEqual({ name: 'User NPM', email: 'user@domain.com' });
        expect(manifestVersion.dependencies).toEqual({ verdaccio: '^2.7.2' });
      });

      test('fails if version already exist', async () => {
        const settings = {
          uplinksLook: true,
          revision: '1',
          requestOptions: {
            host: 'localhost',
            protocol: 'http',
            headers: {},
          },
        };
        const pkgName = 'upstream';
        const config = new Config(
          configExample(
            {
              storage: generateRandomStorage(),
            },
            './fixtures/config/getTarballNext-getupstream.yaml',
            __dirname
          )
        );
        const storage = new Storage(config);
        await storage.init(config);
        const bodyNewManifest1 = generatePackageMetadata(pkgName, '1.0.0');
        const bodyNewManifest2 = generatePackageMetadata(pkgName, '1.0.0');
        await storage.updateManifest(bodyNewManifest1, {
          signal: new AbortController().signal,
          name: pkgName,
          ...settings,
        });
        await expect(
          storage.updateManifest(bodyNewManifest2, {
            signal: new AbortController().signal,
            name: pkgName,
            ...settings,
          })
        ).rejects.toThrow(API_ERROR.PACKAGE_EXIST);
      });
    });
    describe('deprecate', () => {
      test.each([['foo'], ['@scope/foo']])('deprecate package %s', async (pkgName) => {
        const mockDate = '2018-01-14T11:17:40.712Z';
        MockDate.set(mockDate);
        const config = getConfig('deprecate.yaml');
        const storage = new Storage(config);
        await storage.init(config);
        const bodyNewManifest = generatePackageMetadata(pkgName, '1.0.0');
        await storage.updateManifest(bodyNewManifest, {
          signal: new AbortController().signal,
          name: pkgName,
          uplinksLook: true,
          revision: '1',
          requestOptions: defaultRequestOptions,
        });
        const manifest1 = (await storage.getPackageByOptions({
          name: pkgName,
          uplinksLook: true,
          requestOptions: defaultRequestOptions,
        })) as Manifest;
        expect(manifest1.versions['1.0.0'].deprecated).toBeUndefined();

        const deprecatedManifest = getDeprecatedPackageMetadata(
          pkgName,
          '1.0.0',
          {
            ['latest']: '1.0.0',
          },
          'some deprecation message',
          manifest1._rev
        );
        await storage.updateManifest(deprecatedManifest, {
          signal: new AbortController().signal,
          name: pkgName,
          uplinksLook: true,
          revision: '1',
          requestOptions: defaultRequestOptions,
        });
        const manifest = (await storage.getPackageByOptions({
          name: pkgName,
          uplinksLook: true,
          requestOptions: defaultRequestOptions,
        })) as Manifest;
        expect(manifest.name).toEqual(pkgName);
        expect(manifest.versions['1.0.0'].deprecated).toEqual('some deprecation message');
        // important revision is updated
        expect(manifest._rev !== deprecatedManifest._rev).toBeTruthy();
      });
      test.each([['foo'], ['@scope/foo']])('undeprecate package %s', async (pkgName) => {
        const mockDate = '2018-01-14T11:17:40.712Z';
        MockDate.set(mockDate);
        const config = getConfig('deprecate.yaml');
        const storage = new Storage(config);
        await storage.init(config);
        // publish new package
        const bodyNewManifest = generatePackageMetadata(pkgName, '1.0.0');
        await storage.updateManifest(bodyNewManifest, {
          signal: new AbortController().signal,
          name: pkgName,
          uplinksLook: true,
          revision: '1',
          requestOptions: defaultRequestOptions,
        });

        // verify not deprecated
        const manifest1 = (await storage.getPackageByOptions({
          name: pkgName,
          uplinksLook: true,
          requestOptions: defaultRequestOptions,
        })) as Manifest;
        expect(manifest1.versions['1.0.0'].deprecated).toBeUndefined();

        // deprecate version
        const deprecatedManifest = getDeprecatedPackageMetadata(
          pkgName,
          '1.0.0',
          {
            ['latest']: '1.0.0',
          },
          'some deprecation message',
          manifest1._rev
        );
        await storage.updateManifest(deprecatedManifest, {
          signal: new AbortController().signal,
          name: pkgName,
          uplinksLook: true,
          revision: '1',
          requestOptions: defaultRequestOptions,
        });
        const manifest = (await storage.getPackageByOptions({
          name: pkgName,
          uplinksLook: true,
          requestOptions: defaultRequestOptions,
        })) as Manifest;
        expect(manifest.name).toEqual(pkgName);
        expect(manifest.versions['1.0.0'].deprecated).toEqual('some deprecation message');
        // important revision is updated
        expect(manifest._rev !== deprecatedManifest._rev).toBeTruthy();

        // un deprecated the previous deprecated
        const undeprecatedManifest = {
          ...manifest,
        };
        undeprecatedManifest.versions['1.0.0'].deprecated = '';
        await storage.updateManifest(undeprecatedManifest, {
          signal: new AbortController().signal,
          name: pkgName,
          uplinksLook: true,
          revision: '1',
          requestOptions: defaultRequestOptions,
        });

        const manifest3 = (await storage.getPackageByOptions({
          name: pkgName,
          uplinksLook: true,
          requestOptions: defaultRequestOptions,
        })) as Manifest;
        expect(manifest3.name).toEqual(pkgName);
        expect(manifest3.versions['1.0.0'].deprecated).toBeUndefined();
        // important revision is updated
        expect(manifest3._rev !== deprecatedManifest._rev).toBeTruthy();
      });
    });
    describe('star', () => {
      test.each([['foo']])('star package %s', async (pkgName) => {
        const config = getConfig('deprecate.yaml');
        const storage = new Storage(config);
        await storage.init(config);
        const bodyNewManifest = generatePackageMetadata(pkgName, '1.0.0');
        await storage.updateManifest(bodyNewManifest, {
          signal: new AbortController().signal,
          name: pkgName,
          uplinksLook: true,
          revision: '1',
          requestOptions: defaultRequestOptions,
        });
        const message = await executeStarPackage(storage, {
          _rev: bodyNewManifest._rev,
          _id: bodyNewManifest._id,
          name: pkgName,
          username: 'fooUser',
          users: { fooUser: true },
        });
        expect(message).toEqual(API_MESSAGE.PKG_CHANGED);
        const manifest1 = (await storage.getPackageByOptions({
          name: pkgName,
          uplinksLook: true,
          requestOptions: defaultRequestOptions,
        })) as Manifest;

        expect(manifest1?.users).toEqual({
          fooUser: true,
        });
      });

      test.each([['foo']])('should add multiple users to package %s', async (pkgName) => {
        const mockDate = '2018-01-14T11:17:40.712Z';
        MockDate.set(mockDate);
        const config = getConfig('deprecate.yaml');
        const storage = new Storage(config);
        await storage.init(config);
        const bodyNewManifest = generatePackageMetadata(pkgName, '1.0.0');
        await storage.updateManifest(bodyNewManifest, {
          signal: new AbortController().signal,
          name: pkgName,
          uplinksLook: true,
          revision: '1',
          requestOptions: defaultRequestOptions,
        });
        const message = await executeStarPackage(storage, {
          _rev: bodyNewManifest._rev,
          _id: bodyNewManifest._id,
          name: pkgName,
          username: 'fooUser',
          users: { fooUser: true },
        });
        expect(message).toEqual(API_MESSAGE.PKG_CHANGED);

        await executeStarPackage(storage, {
          _rev: bodyNewManifest._rev,
          _id: bodyNewManifest._id,
          name: pkgName,
          username: 'owner',
          users: { owner: true },
        });
        const manifest1 = (await storage.getPackageByOptions({
          name: pkgName,
          uplinksLook: true,
          requestOptions: defaultRequestOptions,
        })) as Manifest;

        expect(manifest1?.users).toEqual({
          fooUser: true,
          owner: true,
        });
      });

      test.each([['foo']])('should ignore duplicate users to package %s', async (pkgName) => {
        const mockDate = '2018-01-14T11:17:40.712Z';
        MockDate.set(mockDate);
        const config = getConfig('deprecate.yaml');
        const storage = new Storage(config);
        await storage.init(config);
        const bodyNewManifest = generatePackageMetadata(pkgName, '1.0.0');
        await storage.updateManifest(bodyNewManifest, {
          signal: new AbortController().signal,
          name: pkgName,
          uplinksLook: true,
          revision: '1',
          requestOptions: defaultRequestOptions,
        });
        const message = await executeStarPackage(storage, {
          _rev: bodyNewManifest._rev,
          _id: bodyNewManifest._id,
          name: pkgName,
          username: 'fooUser',
          users: { fooUser: true },
        });
        expect(message).toEqual(API_MESSAGE.PKG_CHANGED);

        await executeStarPackage(storage, {
          _rev: bodyNewManifest._rev,
          _id: bodyNewManifest._id,
          name: pkgName,
          username: 'fooUser',
          users: { fooUser: true },
        });
        const manifest1 = (await storage.getPackageByOptions({
          name: pkgName,
          uplinksLook: true,
          requestOptions: defaultRequestOptions,
        })) as Manifest;

        expect(manifest1?.users).toEqual({
          fooUser: true,
        });
      });

      test.each([['foo']])('should unstar a package %s', async (pkgName) => {
        const config = getConfig('deprecate.yaml');
        const storage = new Storage(config);
        await storage.init(config);
        const bodyNewManifest = generatePackageMetadata(pkgName, '1.0.0');
        await storage.updateManifest(bodyNewManifest, {
          signal: new AbortController().signal,
          name: pkgName,
          uplinksLook: true,
          revision: '1',
          requestOptions: defaultRequestOptions,
        });
        const message = await executeStarPackage(storage, {
          _rev: bodyNewManifest._rev,
          _id: bodyNewManifest._id,
          name: pkgName,
          username: 'fooUser',
          users: { fooUser: true },
        });
        expect(message).toEqual(API_MESSAGE.PKG_CHANGED);

        await executeStarPackage(storage, {
          _rev: bodyNewManifest._rev,
          _id: bodyNewManifest._id,
          name: pkgName,
          username: 'fooUser',
          users: {},
        });
        const manifest1 = (await storage.getPackageByOptions({
          name: pkgName,
          uplinksLook: true,
          requestOptions: defaultRequestOptions,
        })) as Manifest;

        expect(manifest1?.users).toEqual({});
      });

      test.each([['foo']])('should handle missing username %s', async (pkgName) => {
        const config = getConfig('deprecate.yaml');
        const storage = new Storage(config);
        await storage.init(config);
        const bodyNewManifest = generatePackageMetadata(pkgName, '1.0.0');
        await storage.updateManifest(bodyNewManifest, {
          signal: new AbortController().signal,
          name: pkgName,
          uplinksLook: true,
          revision: '1',
          requestOptions: defaultRequestOptions,
        });
        await expect(
          executeStarPackage(storage, {
            _rev: bodyNewManifest._rev,
            _id: bodyNewManifest._id,
            name: pkgName,
            // @ts-expect-error
            username: undefined,
            users: { fooUser: true },
          })
        ).rejects.toThrow();
      });
    });
  });

  describe('getTarballNext', () => {
    test('should not found a package anywhere', (done) => {
      const config = new Config(
        configExample({
          ...getDefaultConfig(),
          storage: generateRandomStorage(),
        })
      );
      const storage = new Storage(config);
      storage.init(config).then(() => {
        const abort = new AbortController();
        storage
          .getTarballNext('some-tarball', 'some-tarball-1.0.0.tgz', {
            signal: abort.signal,
          })
          .then((stream) => {
            stream.on('error', (err) => {
              expect(err).toEqual(errorUtils.getNotFound(API_ERROR.NO_PACKAGE));
              done();
            });
          });
      });
    });

    test('should create a package if tarball is requested and does not exist locally', (done) => {
      const pkgName = 'upstream';
      const upstreamManifest = generateRemotePackageMetadata(
        pkgName,
        '1.0.0',
        'https://registry.something.org'
      );
      nock('https://registry.verdaccio.org').get(`/${pkgName}`).reply(201, upstreamManifest);
      nock('https://registry.something.org')
        .get(`/${pkgName}/-/${pkgName}-1.0.0.tgz`)
        // types does not match here with documentation
        // @ts-expect-error
        .replyWithFile(201, path.join(__dirname, 'fixtures/tarball.tgz'), {
          [HEADER_TYPE.CONTENT_LENGTH]: 277,
        });
      const config = new Config(
        configExample(
          {
            storage: generateRandomStorage(),
          },
          './fixtures/config/getTarballNext-getupstream.yaml',
          __dirname
        )
      );
      const storage = new Storage(config);
      storage.init(config).then(() => {
        const abort = new AbortController();
        storage
          .getTarballNext(pkgName, `${pkgName}-1.0.0.tgz`, {
            signal: abort.signal,
          })
          .then((stream) => {
            stream.on('data', (dat) => {
              expect(dat).toBeDefined();
            });
            stream.on('end', () => {
              done();
            });
            stream.on('error', () => {
              done('this should not happen');
            });
          });
      });
    });

    test('should serve fetch tarball from upstream without dist info local', (done) => {
      const pkgName = 'upstream';
      const upstreamManifest = addNewVersion(
        generateRemotePackageMetadata(pkgName, '1.0.0'),
        '1.0.1'
      );
      nock('https://registry.verdaccio.org').get(`/${pkgName}`).reply(201, upstreamManifest);
      nock('http://localhost:5555')
        .get(`/${pkgName}/-/${pkgName}-1.0.1.tgz`)
        // types does not match here with documentation
        // @ts-expect-error
        .replyWithFile(201, path.join(__dirname, 'fixtures/tarball.tgz'), {
          [HEADER_TYPE.CONTENT_LENGTH]: 277,
        });
      const config = new Config(
        configExample(
          {
            storage: generateRandomStorage(),
          },
          './fixtures/config/getTarballNext-getupstream.yaml',
          __dirname
        )
      );
      const storage = new Storage(config);
      storage.init(config).then(() => {
        const ac = new AbortController();
        const bodyNewManifest = generatePackageMetadata(pkgName, '1.0.0');
        storage
          .updateManifest(bodyNewManifest, {
            signal: ac.signal,
            name: pkgName,
            uplinksLook: true,
            revision: '1',
            requestOptions: {
              host: 'localhost',
              protocol: 'http',
              headers: {},
            },
          })
          .then(() => {
            const abort = new AbortController();
            storage
              .getTarballNext(pkgName, `${pkgName}-1.0.1.tgz`, {
                signal: abort.signal,
              })
              .then((stream) => {
                stream.on('data', (dat) => {
                  expect(dat).toBeDefined();
                });
                stream.on('end', () => {
                  done();
                });
                stream.on('error', () => {
                  done('this should not happen');
                });
              });
          });
      });
    });

    test('should serve fetch tarball from upstream without with info local', (done) => {
      const pkgName = 'upstream';
      const upstreamManifest = addNewVersion(
        addNewVersion(generateRemotePackageMetadata(pkgName, '1.0.0'), '1.0.1'),
        '1.0.2'
      );
      nock('https://registry.verdaccio.org')
        .get(`/${pkgName}`)
        .times(10)
        .reply(201, upstreamManifest);
      nock('http://localhost:5555')
        .get(`/${pkgName}/-/${pkgName}-1.0.0.tgz`)
        // types does not match here with documentation
        // @ts-expect-error
        .replyWithFile(201, path.join(__dirname, 'fixtures/tarball.tgz'), {
          [HEADER_TYPE.CONTENT_LENGTH]: 277,
        });
      const storagePath = generateRandomStorage();
      const config = new Config(
        configExample(
          {
            storage: storagePath,
          },
          './fixtures/config/getTarballNext-getupstream.yaml',
          __dirname
        )
      );
      const storage = new Storage(config);
      storage.init(config).then(() => {
        const req = httpMocks.createRequest({
          method: 'GET',
          connection: { remoteAddress: fakeHost },
          headers: {
            host: fakeHost,
            [HEADERS.FORWARDED_PROTO]: 'http',
          },
          url: '/',
        });
        return storage
          .getPackageByOptions({
            name: pkgName,
            uplinksLook: true,
            requestOptions: {
              headers: req.headers as any,
              protocol: req.protocol,
              host: req.get('host') as string,
            },
          })
          .then(() => {
            const abort = new AbortController();
            storage
              .getTarballNext(pkgName, `${pkgName}-1.0.0.tgz`, {
                signal: abort.signal,
              })
              .then((stream) => {
                stream.on('data', (dat) => {
                  expect(dat).toBeDefined();
                });
                stream.on('end', () => {
                  done();
                });
                stream.once('error', () => {
                  done('this should not happen');
                });
              });
          });
      });
    });

    test('should serve local cache', (done) => {
      const pkgName = 'upstream';
      const config = new Config(
        configExample(
          {
            storage: generateRandomStorage(),
          },
          './fixtures/config/getTarballNext-getupstream.yaml',
          __dirname
        )
      );
      const storage = new Storage(config);
      storage.init(config).then(() => {
        const ac = new AbortController();
        const bodyNewManifest = generatePackageMetadata(pkgName, '1.0.0');
        storage
          .updateManifest(bodyNewManifest, {
            signal: ac.signal,
            name: pkgName,
            uplinksLook: true,
            revision: '1',
            requestOptions: {
              host: 'localhost',
              protocol: 'http',
              headers: {},
            },
          })
          .then(() => {
            const abort = new AbortController();
            storage
              .getTarballNext(pkgName, `${pkgName}-1.0.0.tgz`, {
                signal: abort.signal,
              })
              .then((stream) => {
                stream.on('data', (dat) => {
                  expect(dat).toBeDefined();
                });
                stream.on('end', () => {
                  done();
                });
                stream.on('error', () => {
                  done('this should not happen');
                });
              });
          });
      });
    });
  });

  describe('syncUplinksMetadataNext()', () => {
    describe('error handling', () => {
      test('should handle double failure on uplinks with timeout', async () => {
        const fooManifest = generatePackageMetadata('timeout', '8.0.0');

        nock('https://registry.domain.com')
          .get(`/${fooManifest.name}`)
          .times(10)
          .delayConnection(4000)
          .reply(201, manifestFooRemoteNpmjs);

        const config = new Config(
          configExample(
            {
              storage: generateRandomStorage(),
              uplinks: {
                npmjs: {
                  url: 'https://registry.npmjs.org',
                  timeout: '2s',
                },
              },
            },
            './fixtures/config/syncDoubleUplinksMetadata.yaml',
            __dirname
          )
        );

        const storage = new Storage(config);
        await storage.init(config);
        await expect(
          storage.syncUplinksMetadataNext(fooManifest.name, null, {
            retry: { limit: 0 },
            timeout: {
              request: 1000,
            },
          })
        ).rejects.toThrow(API_ERROR.NO_PACKAGE);
      }, 10000);

      test('should handle one proxy fails', async () => {
        const fooManifest = generatePackageMetadata('foo', '8.0.0');
        nock('https://registry.verdaccio.org').get('/foo').replyWithError('service in holidays');
        const config = new Config(
          configExample(
            {
              storage: generateRandomStorage(),
            },
            './fixtures/config/syncSingleUplinksMetadata.yaml',
            __dirname
          )
        );
        const storage = new Storage(config);
        await storage.init(config);
        await expect(
          storage.syncUplinksMetadataNext(fooManifest.name, null, {
            retry: { limit: 0 },
          })
        ).rejects.toThrow(API_ERROR.NO_PACKAGE);
      });

      test('should handle one proxy reply 304', async () => {
        const fooManifest = generatePackageMetadata('foo-no-data', '8.0.0');
        nock('https://registry.verdaccio.org').get('/foo-no-data').reply(304);
        const config = new Config(
          configExample(
            {
              storage: generateRandomStorage(),
            },
            './fixtures/config/syncSingleUplinksMetadata.yaml',
            __dirname
          )
        );
        const storage = new Storage(config);
        await storage.init(config);
        const [manifest] = await storage.syncUplinksMetadataNext(fooManifest.name, fooManifest, {
          retry: 0,
        });
        expect(manifest).toBe(fooManifest);
      });
    });

    describe('success scenarios', () => {
      test('should handle one proxy success', async () => {
        const fooManifest = generateLocalPackageMetadata('foo', '8.0.0');
        nock('https://registry.verdaccio.org').get('/foo').reply(201, manifestFooRemoteNpmjs);
        const config = new Config(
          configExample(
            {
              storage: generateRandomStorage(),
            },
            './fixtures/config/syncSingleUplinksMetadata.yaml',
            __dirname
          )
        );
        const storage = new Storage(config);
        await storage.init(config);

        const [response] = await storage.syncUplinksMetadataNext(fooManifest.name, fooManifest);
        expect(response).not.toBeNull();
        expect((response as Manifest).name).toEqual(fooManifest.name);
        expect(Object.keys((response as Manifest).versions)).toEqual([
          '8.0.0',
          '1.0.0',
          '0.0.3',
          '0.0.4',
          '0.0.5',
          '0.0.6',
          '0.0.7',
        ]);
        expect(Object.keys((response as Manifest).time)).toEqual([
          'modified',
          'created',
          '8.0.0',
          '1.0.0',
          '0.0.3',
          '0.0.4',
          '0.0.5',
          '0.0.6',
          '0.0.7',
        ]);
        expect((response as Manifest)[DIST_TAGS].latest).toEqual('8.0.0');
        expect((response as Manifest).time['8.0.0']).toBeDefined();
      });

      test('should handle one proxy success with no local cache manifest', async () => {
        nock('https://registry.verdaccio.org').get('/foo').reply(201, manifestFooRemoteNpmjs);
        const config = new Config(
          configExample(
            {
              storage: generateRandomStorage(),
            },
            './fixtures/config/syncSingleUplinksMetadata.yaml',
            __dirname
          )
        );
        const storage = new Storage(config);
        await storage.init(config);

        const [response] = await storage.syncUplinksMetadataNext(fooManifest.name, null);
        // the latest from the remote manifest
        expect(response).not.toBeNull();
        expect((response as Manifest).name).toEqual(fooManifest.name);
        expect((response as Manifest)[DIST_TAGS].latest).toEqual('0.0.7');
      });

      test('should handle no proxy found with local cache manifest', async () => {
        const fooManifest = generatePackageMetadata('foo', '8.0.0');
        nock('https://registry.verdaccio.org').get('/foo').reply(201, manifestFooRemoteNpmjs);
        const config = new Config(
          configExample(
            {
              storage: generateRandomStorage(),
            },
            './fixtures/config/syncNoUplinksMetadata.yaml',
            __dirname
          )
        );
        const storage = new Storage(config);
        await storage.init(config);

        const [response] = await storage.syncUplinksMetadataNext(fooManifest.name, fooManifest);
        expect(response).not.toBeNull();
        expect((response as Manifest).name).toEqual(fooManifest.name);
        expect((response as Manifest)[DIST_TAGS].latest).toEqual('8.0.0');
      });
      test.todo('should handle double proxy with last one success');
    });

    describe('options', () => {
      test('should handle disable uplinks via options.uplinksLook=false with cache', async () => {
        const fooManifest = generatePackageMetadata('foo', '8.0.0');
        nock('https://registry.verdaccio.org').get('/foo').reply(201, manifestFooRemoteNpmjs);
        const config = new Config(
          configExample(
            {
              storage: generateRandomStorage(),
            },
            './fixtures/config/syncSingleUplinksMetadata.yaml',
            __dirname
          )
        );
        const storage = new Storage(config);
        await storage.init(config);

        const [response] = await storage.syncUplinksMetadataNext(fooManifest.name, fooManifest, {
          uplinksLook: false,
        });

        expect((response as Manifest).name).toEqual(fooManifest.name);
        expect((response as Manifest)[DIST_TAGS].latest).toEqual('8.0.0');
      });

      test('should handle disable uplinks via options.uplinksLook=false without cache', async () => {
        const fooRemoteManifest = generateRemotePackageMetadata(
          'foo',
          '9.0.0',
          'https://registry.verdaccio.org',
          ['9.0.0', '9.0.1', '9.0.2', '9.0.3']
        );
        nock('https://registry.verdaccio.org').get('/foo').reply(201, fooRemoteManifest);
        const config = new Config(
          configExample(
            {
              ...getDefaultConfig(),
              storage: generateRandomStorage(),
            },
            './fixtures/config/syncSingleUplinksMetadata.yaml',
            __dirname
          )
        );
        const storage = new Storage(config);
        await storage.init(config);

        const [response] = await storage.syncUplinksMetadataNext('foo', null, {
          uplinksLook: true,
        });

        expect((response as Manifest).name).toEqual('foo');
        expect((response as Manifest)[DIST_TAGS].latest).toEqual('9.0.0');
      });
    });
  });

  describe('getLocalDatabase', () => {
    test('should return 0 local packages', async () => {
      const config = new Config(
        configExample({
          ...getDefaultConfig(),
          storage: generateRandomStorage(),
        })
      );
      const storage = new Storage(config);
      await storage.init(config);
      await expect(storage.getLocalDatabase()).resolves.toHaveLength(0);
    });

    test('should return 1 local packages', async () => {
      const config = new Config(
        configExample({
          ...getDefaultConfig(),
          storage: generateRandomStorage(),
        })
      );
      const req = httpMocks.createRequest({
        method: 'GET',
        connection: { remoteAddress: fakeHost },
        headers: {
          host: 'host',
        },
        url: '/',
      });
      const storage = new Storage(config);
      await storage.init(config);
      const manifest = generatePackageMetadata('foo');
      const ac = new AbortController();
      await storage.updateManifest(manifest, {
        signal: ac.signal,
        name: 'foo',
        uplinksLook: false,
        requestOptions: {
          headers: req.headers as any,
          protocol: req.protocol,
          host: req.get('host') as string,
        },
      });
      const response = await storage.getLocalDatabase();
      expect(response).toHaveLength(1);
      expect(response[0]).toEqual(expect.objectContaining({ name: 'foo', version: '1.0.0' }));
    });
  });

  describe('tokens', () => {
    describe('saveToken', () => {
      test('should retrieve tokens created', async () => {
        const config = new Config(
          configExample({
            ...getDefaultConfig(),
            storage: generateRandomStorage(),
          })
        );
        const storage = new Storage(config);
        await storage.init(config);
        await storage.saveToken({
          user: 'foo',
          token: 'secret',
          key: 'key',
          created: 'created',
          readonly: true,
        });
        const tokens = await storage.readTokens({ user: 'foo' });
        expect(tokens).toEqual([
          { user: 'foo', token: 'secret', key: 'key', readonly: true, created: 'created' },
        ]);
      });

      test('should delete a token created', async () => {
        const config = new Config(
          configExample({
            ...getDefaultConfig(),
            storage: generateRandomStorage(),
          })
        );
        const storage = new Storage(config);
        await storage.init(config);
        await storage.saveToken({
          user: 'foo',
          token: 'secret',
          key: 'key',
          created: 'created',
          readonly: true,
        });
        const tokens = await storage.readTokens({ user: 'foo' });
        expect(tokens).toHaveLength(1);
        await storage.deleteToken('foo', 'key');
        const tokens2 = await storage.readTokens({ user: 'foo' });
        expect(tokens2).toHaveLength(0);
      });
    });
  });

  describe('removeTarball', () => {
    test('should fail on remove tarball of package does not exist', async () => {
      const config = new Config(
        configExample({
          ...getDefaultConfig(),
          storage: generateRandomStorage(),
        })
      );
      const storage = new Storage(config);
      await storage.init(config);
      await expect(storage.removeTarball('foo', 'foo-1.0.0.tgz', 'rev')).rejects.toThrow(
        API_ERROR.NO_PACKAGE
      );
    });
  });

  describe('removePackage', () => {
    test('should remove entirely a package', async () => {
      const config = new Config(
        configExample({
          ...getDefaultConfig(),
          storage: generateRandomStorage(),
        })
      );
      const req = httpMocks.createRequest({
        method: 'GET',
        connection: { remoteAddress: fakeHost },
        headers: {
          host: fakeHost,
          [HEADERS.FORWARDED_PROTO]: 'http',
        },
        url: '/',
      });
      const storage = new Storage(config);
      await storage.init(config);

      const manifest = generatePackageMetadata('foo');
      const ac = new AbortController();
      // 1. publish a package
      await storage.updateManifest(manifest, {
        signal: ac.signal,
        name: 'foo',
        uplinksLook: false,
        requestOptions: {
          headers: req.headers as any,
          protocol: req.protocol,
          host: req.get('host') as string,
        },
      });
      // 2. request package (should be available in the local cache)
      const manifest1 = (await storage.getPackageByOptions({
        name: 'foo',
        uplinksLook: false,
        requestOptions: {
          headers: req.headers as any,
          protocol: req.protocol,
          host: req.get('host') as string,
        },
      })) as Manifest;
      const _rev = manifest1._rev;
      // 3. remove the tarball
      await expect(
        storage.removeTarball(manifest1.name, 'foo-1.0.0.tgz', _rev)
      ).resolves.toBeDefined();
      // 4. remove the package
      await storage.removePackage(manifest1.name, _rev);
      // 5. fails if package does not exist anymore in storage
      await expect(
        storage.getPackageByOptions({
          name: 'foo',
          uplinksLook: false,
          requestOptions: {
            headers: req.headers as any,
            protocol: req.protocol,
            host: req.get('host') as string,
          },
        })
      ).rejects.toThrow('package does not exist on uplink: foo');
    });
  });

  describe('getPackageByOptions()', () => {
    describe('with uplinks', () => {
      test('should get 201 and merge from uplink', async () => {
        nock(domain).get('/foo').reply(201, fooManifest);
        const config = new Config(
          configExample({
            ...getDefaultConfig(),
            storage: generateRandomStorage(),
          })
        );
        const req = httpMocks.createRequest({
          method: 'GET',
          connection: { remoteAddress: fakeHost },
          headers: {
            host: fakeHost,
            [HEADERS.FORWARDED_PROTO]: 'http',
          },
          url: '/',
        });
        const storage = new Storage(config);
        await storage.init(config);
        await expect(
          storage.getPackageByOptions({
            name: 'foo',
            uplinksLook: true,
            requestOptions: {
              headers: req.headers as any,
              protocol: req.protocol,
              host: req.get('host') as string,
            },
          })
        ).resolves.toEqual(expect.objectContaining({ name: 'foo' }));
      });

      test('should get 201 and merge from uplink with version', async () => {
        nock(domain).get('/foo').reply(201, fooManifest);
        const config = new Config(
          configExample({
            ...getDefaultConfig(),
            storage: generateRandomStorage(),
          })
        );
        const req = httpMocks.createRequest({
          method: 'GET',
          connection: { remoteAddress: fakeHost },
          headers: {
            host: fakeHost,
            [HEADERS.FORWARDED_PROTO]: 'http',
          },
          url: '/',
        });
        const storage = new Storage(config);
        await storage.init(config);
        await expect(
          storage.getPackageByOptions({
            name: 'foo',
            version: '1.0.0',
            uplinksLook: true,
            requestOptions: {
              headers: req.headers as any,
              protocol: req.protocol,
              host: req.get('host') as string,
            },
          })
        ).resolves.toEqual(expect.objectContaining({ name: 'foo' }));
      });

      test('should get 201 and merge from uplink with dist-tag', async () => {
        nock(domain).get('/foo').reply(201, fooManifest);
        const config = new Config(
          configExample({
            ...getDefaultConfig(),
            storage: generateRandomStorage(),
          })
        );
        const req = httpMocks.createRequest({
          method: 'GET',
          connection: { remoteAddress: fakeHost },
          headers: {
            host: fakeHost,
            [HEADERS.FORWARDED_PROTO]: 'http',
          },
          url: '/',
        });
        const storage = new Storage(config);
        await storage.init(config);
        await expect(
          storage.getPackageByOptions({
            name: 'foo',
            version: 'latest',
            uplinksLook: true,
            requestOptions: {
              headers: req.headers as any,
              protocol: req.protocol,
              host: req.get('host') as string,
            },
          })
        ).resolves.toEqual(expect.objectContaining({ name: 'foo' }));
      });

      test('should get 404 for version does not exist', async () => {
        nock(domain).get('/foo').reply(201, fooManifest);
        const config = new Config(
          configExample({
            ...getDefaultConfig(),
            storage: generateRandomStorage(),
          })
        );
        const req = httpMocks.createRequest({
          method: 'GET',
          connection: { remoteAddress: fakeHost },
          headers: {
            host: fakeHost,
            [HEADERS.FORWARDED_PROTO]: 'http',
          },
          url: '/',
        });
        const storage = new Storage(config);
        await storage.init(config);
        await expect(
          storage.getPackageByOptions({
            name: 'foo',
            version: '1.0.0-does-not-exist',
            uplinksLook: true,
            requestOptions: {
              headers: req.headers as any,
              protocol: req.protocol,
              host: req.get('host') as string,
            },
          })
        ).rejects.toThrow(
          errorUtils.getNotFound("this version doesn't exist: 1.0.0-does-not-exist")
        );
      });

      test('should get 404', async () => {
        nock(domain).get('/foo2').reply(404);
        const config = new Config(
          configExample({
            ...getDefaultConfig(),
            uplinks: {
              npmjs: {
                url: domain,
              },
            },
            storage: generateRandomStorage(),
          })
        );
        const req = httpMocks.createRequest({
          method: 'GET',
          connection: { remoteAddress: fakeHost },
          headers: {
            host: fakeHost,
            [HEADERS.FORWARDED_PROTO]: 'http',
          },
          url: '/',
        });
        const storage = new Storage(config);
        await storage.init(config);
        await expect(
          storage.getPackageByOptions({
            name: 'foo2',
            uplinksLook: true,
            requestOptions: {
              headers: req.headers as any,
              protocol: req.protocol,
              host: req.get('host') as string,
            },
          })
        ).rejects.toThrow(errorUtils.getNotFound());
      });

      test('should get ETIMEDOUT with uplink', async () => {
        nock(domain).get('/foo2').replyWithError({
          code: 'ETIMEDOUT',
          errno: 'ETIMEDOUT',
        });
        const config = new Config(
          configExample({
            ...getDefaultConfig(),
            uplinks: {
              npmjs: {
                url: domain,
              },
            },
            storage: generateRandomStorage(),
          })
        );
        const req = httpMocks.createRequest({
          method: 'GET',
          connection: { remoteAddress: fakeHost },
          headers: {
            host: fakeHost,
            [HEADERS.FORWARDED_PROTO]: 'http',
          },
          url: '/',
        });
        const storage = new Storage(config);
        await storage.init(config);
        await expect(
          storage.getPackageByOptions({
            name: 'foo2',
            uplinksLook: true,
            retry: { limit: 0 },
            requestOptions: {
              headers: req.headers as any,
              protocol: req.protocol,
              host: req.get('host') as string,
            },
          })
        ).rejects.toThrow(errorUtils.getServiceUnavailable(API_ERROR.NO_PACKAGE));
      });

      test('should fetch abbreviated version of manifest ', async () => {
        const fooManifest = generateLocalPackageMetadata('foo', '1.0.0');
        nock(domain).get('/foo').reply(201, fooManifest);
        const config = new Config(
          configExample({
            ...getDefaultConfig(),
            storage: generateRandomStorage(),
          })
        );
        const req = httpMocks.createRequest({
          method: 'GET',
          connection: { remoteAddress: fakeHost },
          headers: {
            host: fakeHost,
            [HEADERS.FORWARDED_PROTO]: 'http',
          },
          url: '/',
        });
        const storage = new Storage(config);
        await storage.init(config);

        const manifest = (await storage.getPackageByOptions({
          name: 'foo',
          uplinksLook: true,
          requestOptions: {
            headers: req.headers as any,
            protocol: req.protocol,
            host: req.get('host') as string,
          },
          abbreviated: true,
        })) as AbbreviatedManifest;
        const { versions, name } = manifest;
        expect(name).toEqual('foo');
        expect(Object.keys(versions)).toEqual(['1.0.0']);
        expect(manifest[DIST_TAGS]).toEqual({ latest: '1.0.0' });
        const version = versions['1.0.0'];
        expect(Object.keys(version)).toEqual([
          'name',
          'version',
          'description',
          'deprecated',
          'bin',
          'dist',
          'engines',
          'funding',
          'directories',
          'dependencies',
          'devDependencies',
          'peerDependencies',
          'optionalDependencies',
          'bundleDependencies',
          '_hasShrinkwrap',
          'hasInstallScript',
        ]);
        expect(manifest.modified).toBeDefined();
        // special case for pnpm/rfcs/pull/2
        expect(manifest.time).toBeDefined();
        // fields must not have
        // @ts-expect-error
        expect(manifest.readme).not.toBeDefined();
        // @ts-expect-error
        expect(manifest._attachments).not.toBeDefined();
        // @ts-expect-error
        expect(manifest._rev).not.toBeDefined();
      });
    });
  });
});