import 'package:get_it/get_it.dart';
import 'package:shared_preferences/shared_preferences.dart';

import 'core/constants/app_constants.dart';
import 'core/network/api_client.dart';
import 'core/storage/secure_storage.dart';
import 'core/services/tts_service.dart';
import 'core/services/stt_service.dart';
import 'core/services/voice_command_handler.dart';
import 'core/services/haptic_service.dart';

final sl = GetIt.instance;

Future<void> initDependencies() async {
  // ── Core singletons ──────────────────────────────────────────────────────
  sl.registerLazySingleton<SecureStorage>(() => SecureStorage());
  sl.registerLazySingleton<ApiClient>(() => ApiClient(sl<SecureStorage>()));

  sl.registerLazySingleton<TtsService>(() => TtsService());
  sl.registerLazySingleton<SttService>(() => SttService());
  sl.registerLazySingleton<HapticService>(() => HapticService());
  sl.registerLazySingleton<VoiceCommandHandler>(
    () => VoiceCommandHandler(sl<SttService>(), sl<TtsService>()),
  );

  // ── Init ApiClient if serverUrl already saved ─────────────────────────────
  final serverUrl = await AppConstants.getServerUrl();
  if (serverUrl != null && serverUrl.isNotEmpty) {
    await sl<ApiClient>().init(serverUrl);
  }

  // ── Init TTS ──────────────────────────────────────────────────────────────
  await sl<TtsService>().init();

  // ── Init STT ──────────────────────────────────────────────────────────────
  await sl<SttService>().init();
  sl<VoiceCommandHandler>().loadDefaultCommands();
}