import 'package:bloc/bloc.dart';
import 'package:dartz/dartz.dart';
import 'package:freezed_annotation/freezed_annotation.dart';
import 'package:injectable/injectable.dart';

import '../../../domain/game/game.dart';

part 'game_spin_event.dart';
part 'game_spin_state.dart';
part 'game_spin_bloc.freezed.dart';

@injectable
class GameSpinBloc extends Bloc<GameSpinEvent, GameSpinState> {
  final IGameRepository _repository;

  GameSpinBloc(this._repository) : super(GameSpinState.initial()) {
    on<GameSpinEvent>(_onGameSpinEvent);
  }

  Future<void> _onGameSpinEvent(
    GameSpinEvent event,
    Emitter<GameSpinState> emit,
  ) {
    return event.map(
      spun: (e) async {
        if (state.isSpinning) return;
        emit(state.copyWith(isSpinning: true, failureOrResultOption: none()));

        final result = await _repository.spin(gameId: e.gameId);

        emit(
          state.copyWith(
            isSpinning: false,
            failureOrResultOption: optionOf(result),
          ),
        );
      },
    );
  }
}