eatvio_app/lib/features/recipe/presentation/cubit/about_recipe_cubit.dart

import 'dart:async';
import 'dart:developer';
import 'package:easy_debounce/easy_debounce.dart';
import 'package:eatvio_app/core/utils/toasts.dart';
import 'package:eatvio_app/features/diets/repositories/diet_repository.dart';
import 'package:eatvio_app/features/recipe/repositories/about_recipe_repository.dart';
import 'package:eatvio_app/features/profile/repositories/profile_repository.dart';
import 'package:eatvio_app/features/recipe/presentation/cubit/about_recipe_state.dart';
import 'package:flutter_bloc/flutter_bloc.dart';

class AboutRecipeCubit extends Cubit<AboutRecipeState> {
  AboutRecipeCubit({required this.recipeRepository, required this.profileRepository}) : super(AboutRecipeState.initial());
  final AboutRecipeRepository recipeRepository;
  final ProfileRepository profileRepository;
  bool isCurrentDietStarted = false;
  bool hasStartedDiet = false;
  String? userStartedDietName;

  Future<void> getRecipe(String id, {int? index}) async {
    try {
      final recipe = await recipeRepository.getRecipe(id);
      if (index != null) {
        recipeRepository.emitCommentsStateToFeed(CommentsState(index: index, totalComments: recipe.commentsCount));
      }
      emit(AboutRecipeState.loaded(recipe: recipe));
    } catch (e) {
      log(e.toString());
      emit(AboutRecipeState.error(message: e.toString()));
    }
  }

  Future<void> initRecipe(String id, {int? index}) async {
    try {
      emit(AboutRecipeState.loading());
      final recipe = await recipeRepository.getRecipe(id);
      if (index != null) {
        recipeRepository.emitCommentsStateToFeed(CommentsState(index: index, totalComments: recipe.commentsCount));
      }
      emit(AboutRecipeState.loaded(recipe: recipe));
    } catch (e) {
      log(e.toString());
      emit(AboutRecipeState.error(message: e.toString()));
    }
  }

  Future<void> likeRecipe(String id, int? recipeIndexInFeed) async {
    if (state is! AboutRecipeStateLoaded) return;

    final currentRecipe = (state as AboutRecipeStateLoaded).recipe;

    if (currentRecipe.wasLikedByMe) {
      final updatedRecipe = currentRecipe.copyWith(
        likesCount: currentRecipe.likesCount - 1,
        wasLikedByMe: false,
      );
      if (recipeIndexInFeed != null) {
        recipeRepository
            .emitLikesStateToFeed(LikesState(wasLikedByMe: updatedRecipe.wasLikedByMe, totalLikes: updatedRecipe.likesCount, index: recipeIndexInFeed));
      }
      emit(AboutRecipeState.loaded(recipe: updatedRecipe));
    } else {
      final updatedRecipe = currentRecipe.copyWith(
        likesCount: currentRecipe.likesCount + 1,
        wasLikedByMe: true,
      );
      if (recipeIndexInFeed != null) {
        recipeRepository
            .emitLikesStateToFeed(LikesState(wasLikedByMe: updatedRecipe.wasLikedByMe, totalLikes: updatedRecipe.likesCount, index: recipeIndexInFeed));
      }
      emit(AboutRecipeState.loaded(recipe: updatedRecipe));
    }

    EasyDebounce.debounce(
      'like_recipe',
      Duration(seconds: 1),
      () async {
        try {
          await recipeRepository.likeRecipe(id);
        } catch (e) {
          log(e.toString());
          if (recipeIndexInFeed != null) {
            recipeRepository
                .emitLikesStateToFeed(LikesState(wasLikedByMe: currentRecipe.wasLikedByMe, totalLikes: currentRecipe.likesCount, index: recipeIndexInFeed));
          }
          emit(AboutRecipeState.loaded(recipe: currentRecipe));
        }
      },
    );
  }

  Future<void> addToFavorite(String id, int? recipeIndex) async {
    if (state is! AboutRecipeStateLoaded) return;

    final currentRecipe = (state as AboutRecipeStateLoaded).recipe;

    final updatedRecipe = currentRecipe.copyWith(
      isFavorite: true,
    );
    if (recipeIndex != null) {
      recipeRepository.emitFavoriteStateToFeed(FavoriteState(isFavorite: updatedRecipe.isFavorite, index: recipeIndex));
    }
    emit(AboutRecipeState.loaded(recipe: updatedRecipe));

    EasyDebounce.debounce(
      'add_or_remove_diet_to_favorites',
      Duration(seconds: 1),
      () async {
        try {
          await recipeRepository.addToFavorite(id);
        } catch (e) {
          log(e.toString());
          showErrorToast('Произошла ошибка. Попробуйте ещё раз через некоторое время');
          if (recipeIndex != null) {
            recipeRepository.emitFavoriteStateToFeed(FavoriteState(isFavorite: currentRecipe.isFavorite, index: recipeIndex));
          }
          emit(AboutRecipeState.loaded(recipe: currentRecipe));
        }
      },
    );
  }

  Future<void> removeFromFavorite(String id, int? recipeIndex) async {
    if (state is! AboutRecipeStateLoaded) return;

    final currentRecipe = (state as AboutRecipeStateLoaded).recipe;

    final updatedRecipe = currentRecipe.copyWith(
      isFavorite: false,
    );
    if (recipeIndex != null) {
      recipeRepository.emitFavoriteStateToFeed(FavoriteState(isFavorite: updatedRecipe.isFavorite, index: recipeIndex));
    }
    emit(AboutRecipeState.loaded(recipe: updatedRecipe));

    EasyDebounce.debounce(
      'add_or_remove_diet_to_favorites',
      Duration(seconds: 1),
      () async {
        try {
          await recipeRepository.removeFromFavorite(id);
        } catch (e) {
          log(e.toString());
          showErrorToast('Произошла ошибка. Попробуйте ещё раз через некоторое время');
          if (recipeIndex != null) {
            recipeRepository.emitFavoriteStateToFeed(FavoriteState(isFavorite: currentRecipe.isFavorite, index: recipeIndex));
          }
          emit(AboutRecipeState.loaded(recipe: currentRecipe));
        }
      },
    );
  }
}