// 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 'package:cocoon_service/src/service/build_status_provider.dart';
import 'package:cocoon_service/src/service/datastore.dart';
import 'package:github/github.dart';

class FakeBuildStatusService implements BuildStatusService {
  FakeBuildStatusService({
    this.cumulativeStatus,
    this.commitStatuses,
  });

  BuildStatus? cumulativeStatus;
  List<CommitStatus>? commitStatuses;

  @override
  Future<BuildStatus?> calculateCumulativeStatus(RepositorySlug slug) async {
    if (cumulativeStatus == null) {
      throw AssertionError();
    }
    return cumulativeStatus;
  }

  @override
  Stream<CommitStatus> retrieveCommitStatus({
    int limit = 100,
    int? timestamp,
    String? branch,
    required RepositorySlug slug,
  }) {
    if (commitStatuses == null) {
      throw AssertionError();
    }
    commitStatuses!.sort((CommitStatus a, CommitStatus b) => a.commit.timestamp!.compareTo(b.commit.timestamp!));

    return Stream<CommitStatus>.fromIterable(
      commitStatuses!.where(
        (CommitStatus commitStatus) =>
            ((commitStatus.commit.timestamp == null || timestamp == null)
                ? true
                : commitStatus.commit.timestamp! < timestamp) &&
            commitStatus.commit.branch == branch,
      ),
    );
  }

  @override
  DatastoreService get datastoreService => throw UnimplementedError();
}