// Copyright 2024, the Dart project authors. Please see the AUTHORS file
// for details. 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:async';

import 'package:file/file.dart';
import 'package:file/memory.dart';
import 'package:test/test.dart';
import 'package:deps/package.dart';
import 'package:deps/useful_directory.dart';

class TestPackage extends Package {
  TestPackage(String name, Uri source, {this.checkResult = true})
      : super(name, source);

  late Directory artifacts;
  bool checkResult;

  @override
  Future<List<FileSystemEntity>> fetch(Directory workingDir) async {
    final file = await workingDir.resolveFile('file').create();
    final directory = await workingDir.resolve('directory').create();
    return [file, directory];
  }

  @override
  Future<Directory> build(
      List<FileSystemEntity> inputs, Directory workingDir) async {
    final output = await workingDir.resolve('build').create();
    for (var input in inputs) {
      final path =
          '${input.uri.pathSegments.lastWhere((s) => s.isNotEmpty)}.out';
      if (input is Directory) {
        await output.resolve(path).create();
      } else {
        await output.resolveFile(path).create();
      }
    }
    return output;
  }

  @override
  Future<bool> check(Directory artifacts) async => checkResult;

  @override
  Future<void> upload(Directory artifacts, bool provenance) async {
    expect(checkResult, isTrue);
    this.artifacts = artifacts;
  }
}

void main() {
  test('create', () async {
    final fileSystem = MemoryFileSystem.test();
    final temp = await fileSystem.directory('/temp').create();

    final package = TestPackage('dart/test', Uri.parse('scheme://path'));
    await package.create(temp, false);

    expect(
        temp.listSync(recursive: true).map((f) => f.path),
        unorderedEquals([
          '/temp/dart',
          '/temp/dart/test',
          '/temp/dart/test/file',
          '/temp/dart/test/directory',
          '/temp/dart/test/build',
          '/temp/dart/test/build/file.out',
          '/temp/dart/test/build/directory.out',
        ]));
    expect(
        package.artifacts.listSync(recursive: true).map((f) => f.path),
        unorderedEquals([
          '/temp/dart/test/build/file.out',
          '/temp/dart/test/build/directory.out',
        ]));
  });

  test('check', () async {
    final fileSystem = MemoryFileSystem.test();
    final temp = await fileSystem.directory('/temp').create();

    final package = TestPackage('dart/test', Uri.parse('scheme://path'),
        checkResult: false);
    expect(package.create(temp, false), throwsStateError);
  });

  test('dry run', () {
    final package = TestPackage('dart/test', Uri.parse('scheme://path'));
    expect(package.isDryRun, false);
    expect(dryRun(() => package.isDryRun, true), isTrue);
  });
}