// Copyright 2014 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:convert';
import 'package:file/file.dart';

import '../src/common.dart';
import 'test_utils.dart';

void main() {
  late Directory tempProjectDir;
  late Directory tempPluginADir;
  late Directory tempPluginBDir;

  setUp(() {
    tempProjectDir = createResolvedTempDirectorySync('flutter_plugins_dependencies_test_project.');
    tempPluginADir = createResolvedTempDirectorySync('flutter_plugins_dependencies_test_plugin_a.');
    tempPluginBDir = createResolvedTempDirectorySync('flutter_plugins_dependencies_test_plugin_b.');
  });

  tearDown(() {
    tryToDelete(tempProjectDir);
  });

  test(
    '.flutter-plugins-dependencies correctly denotes project dev dependencies on all default platforms',
    () async {
      // Create Flutter project.
      await processManager.run(<String>[
        flutterBin,
        'create',
        tempProjectDir.path,
        '--project-name=testapp',
      ], workingDirectory: tempProjectDir.path);

      final File pubspecFile = tempProjectDir.childFile('pubspec.yaml');
      expect(pubspecFile.existsSync(), true);

      // Create Flutter plugins to add as dependencies to Flutter project.
      final String pluginAPath = '${tempPluginADir.path}/plugin_a_real_dependency';
      final String pluginBPath = '${tempPluginBDir.path}/plugin_b_dev_dependency';

      await processManager.run(<String>[
        flutterBin,
        'create',
        pluginAPath,
        '--template=plugin',
        '--project-name=plugin_a_real_dependency',
      ], workingDirectory: tempPluginADir.path);

      await processManager.run(<String>[
        flutterBin,
        'create',
        pluginBPath,
        '--template=plugin',
        '--project-name=plugin_b_dev_dependency',
      ], workingDirectory: tempPluginBDir.path);

      // Add dependency on two plugin: one dependency, one dev dependency.
      await processManager.run(<String>[
        flutterBin,
        'pub',
        'add',
        'plugin_a_real_dependency',
        '--path',
        pluginAPath,
      ], workingDirectory: tempProjectDir.path);

      await processManager.run(<String>[
        flutterBin,
        'pub',
        'add',
        'dev:plugin_b_dev_dependency',
        '--path',
        pluginBPath,
      ], workingDirectory: tempProjectDir.path);

      // Run `flutter pub get` to generate .flutter-plugins-dependencies.
      await processManager.run(<String>[
        flutterBin,
        '--no-implicit-pubspec-resolution',
        'pub',
        'get',
      ], workingDirectory: tempProjectDir.path);

      final File flutterPluginsDependenciesFile = tempProjectDir.childFile(
        '.flutter-plugins-dependencies',
      );
      expect(flutterPluginsDependenciesFile.existsSync(), true);

      // Check that .flutter-plugin-dependencies denotes the dependency and
      // dev dependency as expected.
      final String pluginsString = flutterPluginsDependenciesFile.readAsStringSync();
      final Map<String, dynamic> jsonContent = json.decode(pluginsString) as Map<String, dynamic>;
      final Map<String, dynamic> plugins = jsonContent['plugins'] as Map<String, dynamic>;

      // Loop through all platforms supported by default to verify that the
      // dependency and dev dependency are handled appropriately.
      final List<String> platformsToVerify = <String>[
        'ios',
        'android',
        'windows',
        'linux',
        'macos',
        'web',
      ];

      for (final String platform in platformsToVerify) {
        final List<dynamic> pluginsForPlatform = plugins[platform] as List<dynamic>;

        for (final dynamic plugin in pluginsForPlatform) {
          final Map<String, dynamic> pluginProperties = plugin as Map<String, dynamic>;
          final String pluginName = pluginProperties['name'] as String;
          final bool pluginIsDevDependency = pluginProperties['dev_dependency'] as bool;

          // Check camera dependencies are not marked as dev dependencies.
          if (pluginName.startsWith('plugin_a_real_dependency')) {
            expect(pluginIsDevDependency, isFalse);
          }

          // Check video_player dependencies are marked as dev dependencies.
          if (pluginName.startsWith('plugin_b_dev_dependency')) {
            expect(pluginIsDevDependency, isTrue);
          }
        }
      }
    },
  );
}