import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:hl_lieferservice/widget/operations/bloc/operation_bloc.dart';

import '../bloc/operation_state.dart';

/// Listens to [OperationBloc] and shows SnackBars for success and error
/// messages. Loading indicators are handled locally by each feature.
class OperationViewEnforcer extends StatelessWidget {
  final Widget child;

  const OperationViewEnforcer({super.key, required this.child});

  @override
  Widget build(BuildContext context) {
    return BlocListener<OperationBloc, OperationState>(
      listener: (context, state) {
        if (state is OperationFinished && state.message != null) {
          ScaffoldMessenger.of(context).showSnackBar(
            SnackBar(content: Text(state.message!)),
          );
        }

        if (state is OperationFailed) {
          ScaffoldMessenger.of(context).showSnackBar(
            SnackBar(content: Text(state.message)),
          );
        }
      },
      child: child,
    );
  }
}