// Copyright (c) 2021, 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:io';

import 'package:dart_services/src/project_creator.dart';
import 'package:dart_services/src/sdk.dart';
import 'package:test/test.dart';
import 'package:test_descriptor/test_descriptor.dart' as d;

final channel = Platform.environment['FLUTTER_CHANNEL'] ?? stableChannel;
final languageVersion = readDartLanguageVersion(channel);

void main() => defineTests();

void defineTests() {
  Future<ProjectCreator> projectCreator() async {
    final dependenciesFile = d.file('dependencies.json', '''
{
  "meta": "^1.7.0"
}
''');
    await dependenciesFile.create();
    final templatesPath = d.dir('project_templates');
    await templatesPath.create();
    final sdk = Sdk.create(channel);
    return ProjectCreator(
      sdk,
      templatesPath.io.path,
      dartLanguageVersion: readDartLanguageVersion(channel),
      dependenciesFile: dependenciesFile.io,
      log: (_) {},
    );
  }

  group('basic dart project template', () {
    setUpAll(() async {
      await (await projectCreator()).buildDartProjectTemplate();
    });

    test('project directory is created', () async {
      await d.dir('project_templates', [
        d.dir('dart_project'),
      ]).validate();
    });

    test('pubspec is created', () async {
      await d.dir('project_templates', [
        d.dir('dart_project', [
          d.file(
            'pubspec.yaml',
            allOf([
              contains('sdk: ^$languageVersion'),
            ]),
          ),
        ]),
      ]).validate();
    });

    test('pub get creates pubspec.lock', () async {
      await d.dir('project_templates', [
        d.dir('dart_project', [d.file('pubspec.lock', isNotEmpty)]),
      ]).validate();
    });

    test('recommended lints are enabled', () async {
      await d.dir('project_templates', [
        d.dir('dart_project', [
          d.file(
            'analysis_options.yaml',
            matches('include: package:lints/recommended.yaml'),
          ),
        ]),
      ]).validate();
    });
  });

  group('basic Flutter project template', () {
    setUpAll(() async {
      await (await projectCreator())
          .buildFlutterProjectTemplate(firebaseStyle: FirebaseStyle.none);
    });

    test('project directory is created', () async {
      await d.dir('project_templates', [
        d.dir('flutter_project'),
      ]).validate();
    });

    test('Flutter Web directories are created', () async {
      await d.dir('project_templates', [
        d.dir('flutter_project', [
          d.dir('lib'),
          d.dir('web', [d.file('index.html', isEmpty)]),
        ])
      ]).validate();
    });

    test('pubspec is created', () async {
      await d.dir('project_templates', [
        d.dir('flutter_project', [
          d.file(
            'pubspec.yaml',
            allOf([
              contains('sdk: ^$languageVersion'),
              matches('sdk: flutter'),
            ]),
          ),
        ]),
      ]).validate();
    });

    test('pub get creates pubspec.lock', () async {
      await d.dir('project_templates', [
        d.dir('flutter_project', [d.file('pubspec.lock', isNotEmpty)]),
      ]).validate();
    });

    test('flutter lints are enabled', () async {
      await d.dir('project_templates', [
        d.dir('flutter_project', [
          d.file(
            'analysis_options.yaml',
            matches('include: package:flutter_lints/flutter.yaml'),
          ),
        ]),
      ]).validate();
    });

    test('plugins are registered', () async {
      await d.dir('project_templates', [
        d.dir('flutter_project/lib', [
          d.file(
            'generated_plugin_registrant.dart',
            matches('FirebaseCoreWeb.registerWith'),
          ),
        ]),
      ]).validate();
    });
  });

  group('Firebase project template', () {
    setUpAll(() async {
      await (await projectCreator()).buildFlutterProjectTemplate(
          firebaseStyle: FirebaseStyle.flutterFire);
    });

    test('project directory is created', () async {
      await d.dir('project_templates', [
        d.dir('firebase_project'),
      ]).validate();
    });

    test('Flutter Web directories are created', () async {
      await d.dir('project_templates', [
        d.dir('firebase_project', [
          d.dir('lib'),
          d.dir('web', [d.file('index.html', isEmpty)]),
        ])
      ]).validate();
    });

    test('pubspec is created', () async {
      await d.dir('project_templates', [
        d.dir('firebase_project', [
          d.file(
            'pubspec.yaml',
            allOf([
              contains('sdk: ^$languageVersion'),
              matches('sdk: flutter'),
            ]),
          ),
        ]),
      ]).validate();
    });

    test('pub get creates pubspec.lock', () async {
      await d.dir('project_templates', [
        d.dir('firebase_project', [d.file('pubspec.lock', isNotEmpty)]),
      ]).validate();
    });

    test('flutter lints are enabled', () async {
      await d.dir('project_templates', [
        d.dir('firebase_project', [
          d.file(
            'analysis_options.yaml',
            matches('include: package:flutter_lints/flutter.yaml'),
          ),
        ]),
      ]).validate();
    });

    test('generated_plugin_registrant.dart is created', () async {
      await d.dir('project_templates', [
        d.dir('firebase_project', [
          d.dir('lib', [
            d.file(
              'generated_plugin_registrant.dart',
              isNotEmpty,
            ),
          ]),
        ]),
      ]).validate();
    });

    test('plugins are registered', () async {
      await d.dir('project_templates', [
        d.dir('firebase_project', [
          d.dir('lib', [
            d.file(
              'generated_plugin_registrant.dart',
              allOf([
                matches('FirebaseFirestoreWeb.registerWith'),
                matches('FirebaseAnalyticsWeb.registerWith'),
                matches('FirebaseCoreWeb.registerWith'),
                matches('FirebaseDatabaseWeb.registerWith'),
                matches('FirebaseMessagingWeb.registerWith'),
                matches('FirebaseStorageWeb.registerWith'),
              ]),
            ),
          ]),
        ]),
      ]).validate();
    });
  });
}