import 'package:easy_debounce/easy_debounce.dart';
import 'package:eatvio_app/features/diary/presentation/bloc/diary_cubit.dart';
import 'package:eatvio_app/features/diary/presentation/bloc/diary_state.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter_rating_bar/flutter_rating_bar.dart';
import 'package:flutter_svg/flutter_svg.dart';

class MoodRatingWidget extends StatefulWidget {
  const MoodRatingWidget({super.key});

  @override
  State<MoodRatingWidget> createState() => _MoodRatingWidgetState();
}

class _MoodRatingWidgetState extends State<MoodRatingWidget> {
  List<double> currentSelectedRating = [0, 0, 0, 0, 0];
  List<bool> isFirstFetch = [true, true, true, true, true];

  @override
  Widget build(BuildContext context) {
    return BlocBuilder<DiaryCubit, DiaryState>(
      builder: (BuildContext context, DiaryState state) {
        if (state is DiaryStateLoaded) {
          final selectedIndex = state.selectedMeal - 1;
          final meals = state.diary.meals;
          if (selectedIndex >= 0 && selectedIndex < meals.length) {
            if (isFirstFetch[selectedIndex]) {
              currentSelectedRating[selectedIndex] = meals[selectedIndex].mood.toDouble() + 1;
              isFirstFetch[selectedIndex] = false;
            }
          }
          return Padding(
            padding: const EdgeInsets.only(top: 24),
            child: Column(
              mainAxisSize: MainAxisSize.min,
              children: [
                Text(
                  state.isConsultantView ? 'Настроение пользователя после приема пищи' : 'Ваше настроение после приёма пищи',
                  textAlign: TextAlign.center,
                  style: const TextStyle(fontSize: 16),
                ),
                Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  children: [
                    SvgPicture.asset('assets/icons/mood_1.svg', height: 32, width: 32),
                    RatingBar.builder(
                      ignoreGestures: state.isConsultantView || state.isDiaryFinished || state.isDiaryCommented,
                      initialRating: (selectedIndex >= 0 && selectedIndex < state.diary.meals.length)
                          ? state.diary.meals[selectedIndex].mood.toDouble() + 1
                          : 3,
                      itemCount: 6,
                      itemSize: MediaQuery.of(context).size.width / 6 - (124 / 6),
                      updateOnDrag: true,
                      itemBuilder: (context, index) {
                        switch (index) {
                          case 0:
                            return Container(
                              width: MediaQuery.of(context).size.width / 6,
                              height: 24,
                              margin: currentSelectedRating[selectedIndex] == 1 ? const EdgeInsets.symmetric(horizontal: 2) : null,
                              decoration: BoxDecoration(
                                color: const Color(0xFFC82222),
                                border: currentSelectedRating[selectedIndex] == 1
                                    ? Border.all(width: 2, color: const Color(0xFFAA3333), strokeAlign: BorderSide.strokeAlignOutside)
                                    : null,
                                borderRadius: currentSelectedRating[selectedIndex] == 1
                                    ? const BorderRadius.horizontal(left: Radius.circular(8), right: Radius.circular(2))
                                    : const BorderRadius.horizontal(left: Radius.circular(8)),
                              ),
                            );
                          case 1:
                            return Container(
                              width: MediaQuery.of(context).size.width / 6,
                              height: 24,
                              margin: currentSelectedRating[selectedIndex] == 2 ? const EdgeInsets.symmetric(horizontal: 2) : null,
                              decoration: BoxDecoration(
                                color: const Color(0xFFFF3E3E),
                                border: currentSelectedRating[selectedIndex] == 2
                                    ? Border.all(width: 2, color: const Color(0xFF550000), strokeAlign: BorderSide.strokeAlignOutside)
                                    : null,
                                borderRadius: currentSelectedRating[selectedIndex] == 2 ? BorderRadius.circular(2) : null,
                              ),
                            );
                          case 2:
                            return Container(
                              width: MediaQuery.of(context).size.width / 6,
                              height: 24,
                              margin: currentSelectedRating[selectedIndex] == 3 ? const EdgeInsets.symmetric(horizontal: 2) : null,
                              decoration: BoxDecoration(
                                color: const Color(0xFFF8C926),
                                border: currentSelectedRating[selectedIndex] == 3
                                    ? Border.all(width: 2, color: const Color(0xFF8C5D00), strokeAlign: BorderSide.strokeAlignOutside)
                                    : null,
                                borderRadius: currentSelectedRating[selectedIndex] == 3 ? BorderRadius.circular(2) : null,
                              ),
                            );
                          case 3:
                            return Container(
                              width: MediaQuery.of(context).size.width / 6,
                              height: 24,
                              margin: currentSelectedRating[selectedIndex] == 4 ? const EdgeInsets.symmetric(horizontal: 2) : null,
                              decoration: BoxDecoration(
                                color: const Color(0xFFFFF3BF),
                                border: currentSelectedRating[selectedIndex] == 4
                                    ? Border.all(width: 2, color: const Color(0xFFB5911B), strokeAlign: BorderSide.strokeAlignOutside)
                                    : null,
                                borderRadius: currentSelectedRating[selectedIndex] == 4 ? BorderRadius.circular(2) : null,
                              ),
                            );
                          case 4:
                            return Container(
                              width: MediaQuery.of(context).size.width / 6,
                              height: 24,
                              margin: currentSelectedRating[selectedIndex] == 5 ? const EdgeInsets.symmetric(horizontal: 2) : null,
                              decoration: BoxDecoration(
                                color: const Color(0xFF62E833),
                                border: currentSelectedRating[selectedIndex] == 5
                                    ? Border.all(width: 2, color: const Color(0xFF276918), strokeAlign: BorderSide.strokeAlignOutside)
                                    : null,
                                borderRadius: currentSelectedRating[selectedIndex] == 5 ? BorderRadius.circular(2) : null,
                              ),
                            );
                          default:
                            return Container(
                              width: MediaQuery.of(context).size.width / 6,
                              height: 24,
                              margin: currentSelectedRating[selectedIndex] == 6 ? const EdgeInsets.symmetric(horizontal: 2) : null,
                              decoration: BoxDecoration(
                                color: const Color(0xFF4DCE20),
                                border: currentSelectedRating[selectedIndex] == 6
                                    ? Border.all(width: 2, color: const Color(0xFF184D12), strokeAlign: BorderSide.strokeAlignOutside)
                                    : null,
                                borderRadius: currentSelectedRating[selectedIndex] == 6
                                    ? const BorderRadius.horizontal(left: Radius.circular(2), right: Radius.circular(8))
                                    : const BorderRadius.horizontal(right: Radius.circular(8)),
                              ),
                            );
                        }
                      },
                      onRatingUpdate: (value) {
                        setState(() {
                          currentSelectedRating[selectedIndex] = value;
                        });
                        EasyDebounce.debounce('change-satiety', const Duration(milliseconds: 250), () {
                          context.read<DiaryCubit>().fillMood(diaryId: state.diary.id, mood: currentSelectedRating[selectedIndex].toInt() - 1);
                        });
                      },
                    ),
                    SvgPicture.asset('assets/icons/mood_2.svg', height: 32, width: 32),
                  ],
                ),
              ],
            ),
          );
        }
        return const SizedBox.shrink();
      },
    );
  }
}