import 'package:get_it/get_it.dart';
import 'package:flutter/foundation.dart';

import 'storage_service.dart';
import 'notification_service.dart';
import 'encouragement_service.dart';

/// GetIt instance for dependency injection
final getIt = GetIt.instance;

/// Initialize dependency injection
Future<void> initializeDI() async {
  try {
    // Register services as singletons
    getIt.registerSingletonAsync<StorageService>(() async {
      final service = StorageService();
      await service.init();
      return service;
    });

    getIt.registerSingletonAsync<NotificationService>(() async {
      final service = NotificationService();
      await service.initialize();
      await service.requestPermissions();
      return service;
    });

    getIt.registerSingletonAsync<EncouragementService>(() async {
      final service = EncouragementService();
      await service.loadMessages();
      return service;
    });

    // Wait for all services to be initialized
    await getIt.allReady();

    if (kDebugMode) {
      print('Dependency injection initialized successfully');
    }
  } catch (e) {
    if (kDebugMode) {
      print('Failed to initialize dependency injection: $e');
    }
    rethrow;
  }
}

/// Reset dependency injection (for testing)
void resetDI() {
  getIt.reset();
}