/**
 * @license
 * Copyright Google Inc. All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

import {$} from 'protractor';
import {runBenchmark, verifyNoBrowserErrors} from '../../../e2e_util/perf_util';

interface Worker {
  id: string;
  prepare?(): void;
  work(): void;
}

const Create1KWorker: Worker = {
  id: 'create1K',
  prepare: () => $('#deleteAll').click(),
  work: () => $('#create1KRows').click()
};

const Delete1KWorker: Worker = {
  id: 'delete1K',
  prepare: () => $('#create1KRows').click(),
  work: () => { $('#deleteAll').click(); }
};

const UpdateWorker: Worker = {
  id: 'update',
  prepare: () => $('#create1KRows').click(),
  work: () => { $('#update').click(); }
};

const SwapWorker: Worker = {
  id: 'swap',
  prepare: () => $('#create1KRows').click(),
  work: () => { $('#swap').click(); }
};

// In order to make sure that we don't change the ids of the benchmarks, we need to
// determine the current test package name from the Bazel target. This is necessary
// because previous to the Bazel conversion, the benchmark test ids contained the test
// name. e.g. "largeTable.ng2_switch.createDestroy". We determine the name of the
// Bazel package where this test runs from the current test target. The Bazel target
// looks like: "//modules/benchmarks/src/largetable/{pkg_name}:{target_name}".
const testPackageName = process.env['BAZEL_TARGET'] !.split(':')[0].split('/').pop();

describe('js-web-frameworks benchmark perf', () => {

  afterEach(verifyNoBrowserErrors);

  [Create1KWorker, Delete1KWorker, UpdateWorker, SwapWorker].forEach((worker) => {
    describe(worker.id, () => {
      it(`should run benchmark for ${testPackageName}`, async() => {
        runTableBenchmark({
          id: `js-web-frameworks.${testPackageName}.${worker.id}`,
          url: '/',
          ignoreBrowserSynchronization: true,
          worker: worker
        });
      });
    });
  });
});

function runTableBenchmark(
    config: {id: string, url: string, ignoreBrowserSynchronization?: boolean, worker: Worker}) {
  return runBenchmark({
    id: config.id,
    url: config.url,
    ignoreBrowserSynchronization: config.ignoreBrowserSynchronization,
    params: [],
    prepare: config.worker.prepare,
    work: config.worker.work
  });
}