// Copyright 2019 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'dart:io';

import 'package:appengine/appengine.dart';
import 'package:cocoon_service/cocoon_service.dart';
import 'package:cocoon_service/server.dart';
import 'package:cocoon_service/src/model/appengine/cocoon_config.dart';
import 'package:cocoon_service/src/service/build_bucket_v2_client.dart';
import 'package:cocoon_service/src/service/commit_service.dart';
import 'package:cocoon_service/src/service/datastore.dart';
import 'package:cocoon_service/src/service/github_checks_service_v2.dart';
import 'package:cocoon_service/src/service/luci_build_service_v2.dart';
import 'package:cocoon_service/src/service/scheduler_v2.dart';
import 'package:gcloud/db.dart';

import '../test/src/datastore/fake_datastore.dart';

Future<void> main() async {
  final CacheService cache = CacheService(inMemory: false);
  final DatastoreDB dbService = FakeDatastoreDB();
  final DatastoreService datastoreService = DatastoreService(dbService, defaultMaxEntityGroups);
  await datastoreService.insert(<CocoonConfig>[
    CocoonConfig.fake(dbService.emptyKey.append(CocoonConfig, id: 'WebhookKey'), 'fake-secret'),
    CocoonConfig.fake(dbService.emptyKey.append(CocoonConfig, id: 'FrobWebhookKey'), 'fake-secret'),
  ]);
  final Config config = Config(dbService, cache);
  final AuthenticationProvider authProvider = AuthenticationProvider(config: config);
  final AuthenticationProvider swarmingAuthProvider = SwarmingAuthenticationProvider(config: config);

  final BuildBucketClient buildBucketClient = BuildBucketClient(
    accessTokenService: AccessTokenService.defaultProvider(config),
  );

  final BuildBucketV2Client buildBucketV2Client = BuildBucketV2Client(
    accessTokenService: AccessTokenService.defaultProvider(config),
  );

  /// LUCI service class to communicate with buildBucket service.
  final LuciBuildService luciBuildService = LuciBuildService(
    config: config,
    cache: cache,
    buildBucketClient: buildBucketClient,
    buildBucketV2Client: buildBucketV2Client,
    pubsub: const PubSub(),
  );

  final LuciBuildServiceV2 luciBuildServiceV2 = LuciBuildServiceV2(
    config: config,
    cache: cache,
    buildBucketV2Client: buildBucketV2Client,
    pubsub: const PubSub(),
  );

  /// Github checks api service used to provide luci test execution status on the Github UI.
  final GithubChecksService githubChecksService = GithubChecksService(
    config,
  );

  final GithubChecksServiceV2 githubChecksServiceV2 = GithubChecksServiceV2(
    config,
  );

  // Gerrit service class to communicate with GoB.
  final GerritService gerritService = GerritService(config: config);

  /// Cocoon scheduler service to manage validating commits in presubmit and postsubmit.
  final Scheduler scheduler = Scheduler(
    cache: cache,
    config: config,
    githubChecksService: githubChecksService,
    luciBuildService: luciBuildService,
  );

  final SchedulerV2 schedulerV2 = SchedulerV2(
    cache: cache,
    config: config,
    githubChecksService: githubChecksServiceV2,
    luciBuildService: luciBuildServiceV2,
  );

  final BranchService branchService = BranchService(
    config: config,
    gerritService: gerritService,
  );

  final CommitService commitService = CommitService(config: config);

  final Server server = createServer(
    config: config,
    cache: cache,
    authProvider: authProvider,
    branchService: branchService,
    buildBucketClient: buildBucketClient,
    buildBucketV2Client: buildBucketV2Client,
    gerritService: gerritService,
    scheduler: scheduler,
    schedulerV2: schedulerV2,
    luciBuildService: luciBuildService,
    luciBuildServiceV2: luciBuildServiceV2,
    githubChecksService: githubChecksService,
    githubChecksServiceV2: githubChecksServiceV2,
    commitService: commitService,
    swarmingAuthProvider: swarmingAuthProvider,
  );

  return runAppEngine(
    server,
    onAcceptingConnections: (InternetAddress address, int port) {
      final String host = address.isLoopback ? 'localhost' : address.host;
      print('Serving requests at http://$host:$port/');
    },
  );
}