import 'package:bloc/bloc.dart';
import 'package:equatable/equatable.dart';
import 'package:meta/meta.dart';

part 'game_event.dart';
part 'game_state.dart';

class GameBloc extends Bloc<GameEvent, GameState> {
  GameBloc() : super(const GameState.initial()) {
    on<BallLost>(_onBallLost);
    on<Scored>(_onScored);
    on<BonusLetterActivated>(_onBonusLetterActivated);
  }

  void _onBallLost(BallLost event, Emitter emit) {
    if (state.balls > 0) {
      emit(state.copyWith(balls: state.balls - 1));
    }
  }

  void _onScored(Scored event, Emitter emit) {
    if (!state.isGameOver) {
      emit(state.copyWith(score: state.score + event.points));
    }
  }

  void _onBonusLetterActivated(BonusLetterActivated event, Emitter emit) {
    emit(
      state.copyWith(
        bonusLetters: [
          ...state.bonusLetters,
          event.letter,
        ],
      ),
    );
  }
}