class UserWidget extends StatelessWidget {
  final ApiService apiService; // Dependency injected

  UserWidget({required this.apiService});

  @override
  Widget build(BuildContext context) {
    return FutureBuilder<String>(
      future: apiService.fetchUserName(),
      builder: (context, snapshot) {
        if (snapshot.hasData) {
          return Text("User: ${snapshot.data}");
        }
        return CircularProgressIndicator();
      },
    );
  }
}