import 'dart:ui';

import 'package:equatable/equatable.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:tunas/repositories/account/account_repository.dart';
import 'package:tunas/repositories/account/models/category.dart';

part 'category_event.dart';
part 'category_state.dart';

class CategoryBloc extends Bloc<CategoryEvent, CategoryState> {
  final AccountRepository _accountRepository;

  CategoryBloc({required AccountRepository accountRepository}) : _accountRepository = accountRepository, super(const CategoryState())  {
    on<CategoriesLoad>(_onCategoriesLoad);

    _accountRepository
      .getCategoriesStream()
      .listen((categories) => add(CategoriesLoad(categories)));
  }

  _onCategoriesLoad(
    CategoriesLoad event, Emitter<CategoryState> emit
  ) {
    emit(state.copyWith(
      categories: event.categories,
      categoriesColors: { for (var category in event.categories) category.label : category.rgbToColor() }
    ));
  }
}