import { readFile } from '../lib/test.utils';
import { createTarballHash } from '../../../src/lib/crypto-utils';
import { API_ERROR, HTTP_STATUS } from '../../../src/lib/constants';
import { DOMAIN_SERVERS, PORT_SERVER_1, TARBALL } from '../config.functional';
import generatePkg from '../fixtures/package';
import { DIST_TAGS } from '../../../src/lib/constants';

function getBinary() {
  return readFile('../fixtures/binary');
}

export default function (server, server2) {
  const PKG_NAME = 'test-nullstorage2';
  const PKG_VERSION = '0.0.1';
  // const TARBALL = `${PKG_NAME}-file.name`;

  describe('should test a scenario when tarball is being fetch from uplink', () => {
    describe(`should check whether ${PKG_NAME} is on server1`, () => {
      test('should fails on fetch non-existent package on server1', () => {
        return server
          .getPackage('test-nullstorage-nonexist')
          .status(HTTP_STATUS.NOT_FOUND)
          .body_error(API_ERROR.NO_PACKAGE);
      });
    });

    describe(`should check whether ${PKG_NAME} is on server2`, () => {
      beforeAll(function () {
        return server2.addPackage(PKG_NAME);
      });

      test('should create a new package on server2', () => {
        /* test for before() */
      });

      test('should fails on download a non existent tarball from server1', () => {
        return server
          .getTarball(PKG_NAME, TARBALL)
          .status(HTTP_STATUS.NOT_FOUND)
          .body_error(/no such file/);
      });

      describe(`should succesfully publish ${PKG_NAME} package on server2`, () => {
        beforeAll(function () {
          return server2
            .putTarball(PKG_NAME, TARBALL, getBinary())
            .status(HTTP_STATUS.CREATED)
            .body_ok(/.*/);
        });

        beforeAll(function () {
          let pkg = generatePkg(PKG_NAME);
          pkg.dist.shasum = createTarballHash().update(getBinary()).digest('hex');
          return server2
            .putVersion(PKG_NAME, PKG_VERSION, pkg)
            .status(HTTP_STATUS.CREATED)
            .body_ok(/published/);
        });

        test(`should publish a new version for ${PKG_NAME} on server 2`, () => {
          /* test for before() */
        });

        test(`should fetch the newly created published tarball for ${PKG_NAME} from server1 on server2`, () => {
          return server
            .getTarball(PKG_NAME, TARBALL)
            .status(HTTP_STATUS.OK)
            .then(function (body) {
              expect(body).toEqual(getBinary());
            });
        });

        test(`should fetch metadata for ${PKG_NAME} match from server1`, () => {
          return server
            .getPackage(PKG_NAME)
            .status(HTTP_STATUS.OK)
            .then(function (body) {
              expect(body.name).toBe(PKG_NAME);
              expect(body.versions[PKG_VERSION].name).toBe(PKG_NAME);
              expect(body.versions[PKG_VERSION].dist.tarball).toBe(
                `http://${DOMAIN_SERVERS}:${PORT_SERVER_1}/${PKG_NAME}/-/${TARBALL}`
              );
              expect(body[DIST_TAGS]).toEqual({ latest: PKG_VERSION });
            });
        });
      });
    });
  });
}