import 'dart:io';
import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';

import 'package:flutter_test/flutter_test.dart';
import 'package:ikar/core/plugins/plugin_host.dart';
import 'package:ikar/core/plugins/plugin_manifest.dart';
import 'package:ikar/core/plugins/plugin_models.dart';
import 'package:ikar/core/plugins/plugin_runtime.dart';

class _Host implements PluginHost {
  final messages = <String>[];
  final notifications = <String>[];
  @override
  String get args => 'synthetic';
  @override
  Map<String, dynamic> get arguments => const {};
  @override
  Map<String, dynamic>? get replyMessage => null;
  @override
  bool get isOnline => true;
  @override
  bool isActive = true;
  @override
  Future<String> sendText(String text) async {
    messages.add(text);
    return 'synthetic-id';
  }

  @override
  Future<void> editText(String id, String text) async =>
      messages.add('$id:$text');
  @override
  Future<void> notify(String text) async => notifications.add(text);
  @override
  Future<Map<String, dynamic>?> getPeer() async => null;
  @override
  Future<void> sendFile(Uint8List bytes, {required String filename}) async {}
  @override
  Future<void> sendPhoto(
    Uint8List bytes, {
    required String filename,
    required String caption,
  }) async {}
}

PluginCommandDescriptor _command(String code, Set<PluginPermission> granted) {
  final manifest = PluginManifest.fromJson({
    'schemaVersion': 1,
    'id': 'dev.example.runtime',
    'name': 'Synthetic',
    'version': '1.0.0',
    'apiVersion': 1,
    'description': 'Runtime test',
    'author': 'Test',
    'main': 'main.js',
    'permissions': ['chat.write', 'chat.edit', 'ui.notify'],
    'commands': [
      {'name': '/synthetic', 'description': 'Test', 'handler': 'run'},
    ],
  });
  return PluginCommandDescriptor(
    plugin: PluginDescriptor(
      manifest: manifest,
      origin: PluginOrigin.installed,
      enabled: true,
      grantedPermissions: granted,
      loadModules: () async => {'main.js': code},
      signatureStatus: PluginSignatureStatus.unsigned,
    ),
    command: manifest.commands.single,
  );
}

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();
  setUpAll(() async {
    final library =
        Platform.environment['QLYRA_FJS_LIBRARY'] ??
        'build/native-tests/fjs/${Platform.isWindows
            ? 'fjs.dll'
            : Platform.isMacOS
            ? 'libfjs.dylib'
            : 'libfjs.so'}';
    if (!File(library).existsSync()) {
      throw StateError(
        'Run dart run tool/prepare_plugin_runtime.dart before native plugin tests',
      );
    }
    await PluginRuntime.initialize(
      externalLibrary: ExternalLibrary.open(File(library).absolute.path),
    );
  });

  test(
    'executes a JavaScript plugin with the compatible API and awaits editing',
    () async {
      final host = _Host();
      await PluginRuntime.run(
        _command(
          '''
      import { chat } from 'komet:api';
      export async function run() {
        const id = await chat.sendText('synthetic');
        await chat.editText(id, 'edited');
      }
    ''',
          {PluginPermission.chatWrite, PluginPermission.chatEdit},
        ),
        host,
      );
      expect(host.messages, ['synthetic', 'synthetic-id:edited']);
    },
  );

  test('denies sending without an explicit grant', () async {
    final host = _Host();
    await PluginRuntime.run(
      _command(
        '''
      import { chat, ui } from 'komet:api';
      export async function run() {
        try { await chat.sendText('forbidden'); }
        catch (_) { await ui.notify('denied'); }
      }
    ''',
        {PluginPermission.uiNotify},
      ),
      host,
    );
    expect(host.messages, isEmpty);
    expect(host.notifications, ['denied']);
  });

  test('a closed chat cannot receive plugin messages', () async {
    final host = _Host()..isActive = false;
    try {
      await PluginRuntime.run(
        _command(
          '''
        import { chat } from 'komet:api';
        export async function run() { await chat.sendText('forbidden'); }
      ''',
          {PluginPermission.chatWrite},
        ),
        host,
      );
    } catch (_) {}
    expect(host.messages, isEmpty);
  });
}