import 'dart:async';

import 'package:bloc/bloc.dart';
import 'package:equatable/equatable.dart';
import 'package:syncrow_app/features/devices/model/device_control_model.dart';
import 'package:syncrow_app/features/scene/model/scene_static_function.dart';

part 'create_scene_event.dart';
part 'create_scene_state.dart';

class CreateSceneBloc extends Bloc<CreateSceneEvent, CreateSceneState> {
  CreateSceneBloc() : super(CreateSceneInitial()) {
    on<CreateSceneEvent>((event, emit) => null as FutureOr<void>);
    on<AddTaskEvent>(_onAddSceneTask);
    on<SelectedValueEvent>(_selectedValue);
    on<RemoveTaskEvent>(_removeTaskById);
  }

  List<SceneStaticFunction> tasksList = [];
  String selectedValue = '';

  FutureOr<void> _onAddSceneTask(
      AddTaskEvent event, Emitter<CreateSceneState> emit) {
    tasksList.add(
      SceneStaticFunction(
        operationName: event.operation,
        deviceName: event.deviceName,
        icon: event.icon,
        code: event.deviceControlModel.code ?? '',
        deviceId: event.deviceId,
        operationalValues: [
          SceneOperationalValue(
            value: event.deviceControlModel.value,
            icon: '',
          ),
        ],
      ),
    );
    emit(AddSceneTask(tasksList: tasksList));
  }

  FutureOr<void> _selectedValue(
      SelectedValueEvent event, Emitter<CreateSceneState> emit) {
    selectedValue = event.value;
    emit(SelectedTaskValueState(value: event.value));
  }

  FutureOr<void> _removeTaskById(
      RemoveTaskEvent event, Emitter<CreateSceneState> emit) {
    emit(CreateSceneLoading());

    for (var element in tasksList) {
      if (element.uniqueCustomId == event.taskId) {
        tasksList.remove(element);

        emit(AddSceneTask(tasksList: tasksList));
        break;
      }
    }
  }
}