import fs from 'fs';
import path from 'path';
import crypto from 'crypto';
import {readFile} from '../lib/test.utils';
import {HTTP_STATUS} from "../../../src/lib/constants";
import {TARBALL} from '../config.functional';
import {createTarballHash} from '../../../src/lib/crypto-utils';

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

const STORAGE = '../store/test-storage3';
const PKG_GH131 = 'pkg-gh131';
const PKG_GH1312 = 'pkg-gh1312';

function isCached(pkgName, tarballName) {
  return fs.existsSync(path.join(__dirname, STORAGE, pkgName, tarballName));
}

export default function (server, server2, server3) {

  describe('storage tarball cache test', () => {

    //more info #131
    beforeAll(function () {
      return server.addPackage(PKG_GH131);
    });

    beforeAll(function () {
      return server.putTarball(PKG_GH131, TARBALL, getBinary())
        .status(HTTP_STATUS.CREATED)
        .body_ok(/.*/);
    });

    beforeAll(function () {
      const pkg = require('../fixtures/package')(PKG_GH131);
      pkg.dist.shasum = crypto.createHash('sha1').update(getBinary()).digest('hex');

      return server.putVersion(PKG_GH131, '0.0.1', pkg)
        .status(HTTP_STATUS.CREATED)
        .body_ok(/published/);
    });

    beforeAll(function () {
      return server3.getPackage(PKG_GH131).status(HTTP_STATUS.OK);
    });

    beforeAll(function () {
      return server3.getTarball(PKG_GH131, TARBALL)
        .status(HTTP_STATUS.OK);
    });

    test('should be caching packages from uplink server1', () => {
      expect(isCached(PKG_GH131, TARBALL)).toEqual(true);
    });

    beforeAll(function () {
      return server2.addPackage(PKG_GH1312);
    });

    beforeAll(function () {
      return server2.putTarball(PKG_GH1312, TARBALL, getBinary())
        .status(HTTP_STATUS.CREATED)
        .body_ok(/.*/);
    });

    beforeAll(function () {
      const pkg = require('../fixtures/package')(PKG_GH1312);
      pkg.dist.shasum = createTarballHash().update(getBinary()).digest('hex');

      return server2.putVersion(PKG_GH1312, '0.0.1', pkg)
        .status(HTTP_STATUS.CREATED)
        .body_ok(/published/);
    });

    beforeAll(function () {
      return server3.getPackage(PKG_GH1312)
        .status(HTTP_STATUS.OK);
    });

    beforeAll(function () {
      return server3.getTarball(PKG_GH1312, TARBALL)
        .status(HTTP_STATUS.OK);
    });

    test('must not be caching packages from uplink server2', () => {
      expect(isCached(PKG_GH1312, TARBALL)).toEqual(false);
    });

  });
}