import 'dart:developer';
import 'dart:io';

import 'package:eatvio_app/core/image_compressing/image_compress_utility.dart';
import 'package:eatvio_app/features/diary/models/diary_day_model.dart';
import 'package:eatvio_app/features/diary/models/nutrition_model.dart';
import 'package:eatvio_app/features/diary/presentation/bloc/diary_state.dart';
import 'package:eatvio_app/features/diary/repositories/diary_repository.dart';
import 'package:eatvio_app/features/glossary/models/glossary_model.dart';
import 'package:eatvio_app/features/glossary/repositories/glossary_repository.dart';
import 'package:flutter_bloc/flutter_bloc.dart';

class DiaryCubit extends Cubit<DiaryState> {
  late final DateTime today;
  late DateTime selectedDay;
  late int selectedMeal;
  final DiaryRepository diaryRepository;
  final GlossaryRepository glossaryRepository;

  DiaryCubit({
    required this.diaryRepository,
    required this.glossaryRepository,
  }) : super(const DiaryState.loading()) {
    today = DateTime.now();
    selectedDay = today;
  }

  setSelectedDay(DateTime day) async {
    selectedDay = day;
    await fetchDiary(true);
  }

  setSelectedMeal(int meal) {
    selectedMeal = meal;
    emit((state as DiaryStateLoaded).copyWith(selectedMeal: selectedMeal));
  }

  fetchDiary([bool needLoading = false]) async {
    if (needLoading) {
      emit(const DiaryState.loading());
      selectedMeal = 1;
    }
    try {
      final diaryDay = await diaryRepository.getDiaryByDate('$selectedDay');
      emit(
        DiaryState.loaded(
          diary: diaryDay,
          nutrition: await getNutrition((await diaryRepository.getDiaryByDate('$selectedDay')).id),
          selectedDay: selectedDay,
          selectedMeal: selectedMeal,
        ),
      );
    } catch (e) {
      emit(DiaryState.error(errorMessage: e.toString()));
      throw e;
    }
  }

  finishDiaryDay({
    required int diaryId,
    required String wakeUp,
    required String retire,
    required String comment,
  }) async {
    await diaryRepository.finishDiaryDay(
      diaryId: diaryId,
      wakeUp: wakeUp,
      retire: retire,
      comment: comment,
    );
    await fetchDiary();
  }

  Future<NutritionDataModel> getNutrition(int index) async {
    return (await diaryRepository.getNutritionData(index));
  }

  addProductToMeal({
    required int diaryId,
    required int mealId,
    required String productName,
    required String portion,
    required int quantity,
    int? productNutritionalValueId,
  }) async {
    await diaryRepository.addPortionToMeal(
      diaryId: diaryId,
      mealId: mealId,
      productName: productName,
      portion: portion,
      quantity: quantity,
      productNutritionalValueId: productNutritionalValueId,
    );
    await fetchDiary();
  }

  updateProductInMeal({
    required int diaryId,
    required int mealId,
    required int portionId,
    required String productName,
    required String portion,
    required int quantity,
    int? productNutritionalValueId,
    required PortionState portionState,
  }) async {
    if (portionState == PortionState.filled_diet || portionState == PortionState.eaten_from_diet) {
      await diaryRepository.addPortionToMeal(
        diaryId: diaryId,
        mealId: mealId,
        productName: productName,
        portion: portion,
        quantity: quantity,
        productNutritionalValueId: productNutritionalValueId,
      );
    } else {
      await diaryRepository.updateProductInMeal(
        diaryId: diaryId,
        mealId: mealId,
        portionId: portionId,
        productName: productName,
        portion: portion,
        quantity: quantity,
        productNutritionalValueId: productNutritionalValueId,
        portionState: portionState,
      );
    }
    await fetchDiary();
  }

  markEaten({
    required int diaryId,
    required int mealId,
    required int portionId,
  }) async {
    await diaryRepository.markEaten(
      diaryId: diaryId,
      mealId: mealId,
      portionId: portionId,
    );
    await fetchDiary();
  }

  unmarkEaten({
    required int diaryId,
    required int mealId,
    required int portionId,
  }) async {
    await diaryRepository.unmarkEaten(
      diaryId: diaryId,
      mealId: mealId,
      portionId: portionId,
    );
    await fetchDiary();
  }

  restore({
    required int diaryId,
    required int mealId,
    required int portionId,
  }) async {
    await diaryRepository.restore(
      diaryId: diaryId,
      mealId: mealId,
      portionId: portionId,
    );
    await fetchDiary();
  }

  deleteProductFromMeal({
    required int diaryId,
    required int mealId,
    required int portionId,
  }) async {
    await diaryRepository.deleteProductFromMeal(
      diaryId: diaryId,
      mealId: mealId,
      portionId: portionId,
    );
    await fetchDiary();
  }

  Future<List<GlossaryModel>> getGlossaryListByQuery(String query) async {
    return await glossaryRepository.getGlossaryListByQuery(query);
  }

  uploadPhotos({
    required List<File> files,
    required int diaryId,
  }) async {
    await diaryRepository.uploadPhotos(
      files: await ImageCompressUtility.compressFilesList(files),
      diaryId: diaryId,
      mealId: selectedMeal,
    );
    await fetchDiary();
  }

  deletePhoto({
    required DiaryPhotoModel photo,
    required int diaryId,
  }) async {
    await diaryRepository.deletePhoto(
      photo: photo,
      diaryId: diaryId,
      mealId: selectedMeal,
    );
    await fetchDiary();
  }

  Future<GlossaryModerationModel?> sendProductToModeration({
    required String name,
    required double energy,
    required double proteins,
    required double fats,
    required double carbohydrates,
  }) async {
    try {
      return await diaryRepository.sendProductToModeration(
        name: name,
        energy: energy,
        proteins: proteins,
        fats: fats,
        carbohydrates: carbohydrates,
      );
    } catch (e, stackTrace) {
      log(e.toString(), stackTrace: stackTrace);
    }
    return null;
  }

  fillTime({
    required int diaryId,
    required String time,
  }) async {
    await diaryRepository.fillTime(
      diaryId: diaryId,
      mealId: selectedMeal,
      time: time,
    );
    await fetchDiary();
  }

  fillSatiety({
    required int diaryId,
    required int satiety,
  }) async {
    await diaryRepository.fillSatiety(
      diaryId: diaryId,
      mealId: selectedMeal,
      satiety: satiety,
    );
  }
}