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 SatietyRatingWidget extends StatefulWidget {
  @override
  State<SatietyRatingWidget> createState() => _SatietyRatingWidgetState();
}

class _SatietyRatingWidgetState extends State<SatietyRatingWidget> {
  late double currentSelectedRating;
  bool isFirstFetch = true;

  @override
  Widget build(BuildContext context) {
    return BlocBuilder<DiaryCubit, DiaryState>(
      builder: (BuildContext context, DiaryState state) {
        if (state is DiaryStateLoaded) {
          if (isFirstFetch) {
            currentSelectedRating = state.diary.meals[state.selectedMeal - 1].satiety.toDouble();
            isFirstFetch = false;
          }
          return Padding(
            padding: const EdgeInsets.only(top: 24),
            child: Column(
              mainAxisSize: MainAxisSize.min,
              children: [
                Text(
                  'Ваша сытость после приёма пищи',
                  style: TextStyle(
                    fontSize: 16,
                  ),
                ),
                Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  children: [
                    SvgPicture.asset(
                      'assets/icons/satiety_emoji_left.svg',
                      height: 32,
                      width: 32,
                    ),
                    RatingBar.builder(
                      initialRating: state.diary.meals[state.selectedMeal - 1].satiety.toDouble(),
                      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 == 1 ? EdgeInsets.symmetric(horizontal: 2) : null,
                              decoration: BoxDecoration(
                                color: Color(0xFFC82222),
                                border: currentSelectedRating == 1
                                    ? Border.all(
                                        width: 2,
                                        color: Color(0xFFAA3333),
                                        strokeAlign: BorderSide.strokeAlignOutside,
                                      )
                                    : null,
                                borderRadius: currentSelectedRating == 1
                                    ? BorderRadius.horizontal(
                                        left: Radius.circular(8),
                                        right: Radius.circular(2),
                                      )
                                    : BorderRadius.horizontal(
                                        left: Radius.circular(8),
                                      ),
                              ),
                            );
                          case 1:
                            return Container(
                              width: MediaQuery.of(context).size.width / 6,
                              height: 24,
                              margin: currentSelectedRating == 2 ? EdgeInsets.symmetric(horizontal: 2) : null,
                              decoration: BoxDecoration(
                                color: Color(0xFFFF3E3E),
                                border: currentSelectedRating == 2
                                    ? Border.all(
                                        width: 2,
                                        color: Color(0xFF550000),
                                        strokeAlign: BorderSide.strokeAlignOutside,
                                      )
                                    : null,
                                borderRadius: currentSelectedRating == 2 ? BorderRadius.circular(2) : null,
                              ),
                            );
                          case 2:
                            return Container(
                              width: MediaQuery.of(context).size.width / 6,
                              height: 24,
                              margin: currentSelectedRating == 3 ? EdgeInsets.symmetric(horizontal: 2) : null,
                              decoration: BoxDecoration(
                                color: Color(0xFFF8C926),
                                border: currentSelectedRating == 3
                                    ? Border.all(
                                        width: 2,
                                        color: Color(0xFF8C5D00),
                                        strokeAlign: BorderSide.strokeAlignOutside,
                                      )
                                    : null,
                                borderRadius: currentSelectedRating == 3 ? BorderRadius.circular(2) : null,
                              ),
                            );
                          case 3:
                            return Container(
                              width: MediaQuery.of(context).size.width / 6,
                              height: 24,
                              margin: currentSelectedRating == 4 ? EdgeInsets.symmetric(horizontal: 2) : null,
                              decoration: BoxDecoration(
                                color: Color(0xFFFFF3BF),
                                border: currentSelectedRating == 4
                                    ? Border.all(
                                        width: 2,
                                        color: Color(0xFFB5911B),
                                        strokeAlign: BorderSide.strokeAlignOutside,
                                      )
                                    : null,
                                borderRadius: currentSelectedRating == 4 ? BorderRadius.circular(2) : null,
                              ),
                            );
                          case 4:
                            return Container(
                              width: MediaQuery.of(context).size.width / 6,
                              height: 24,
                              margin: currentSelectedRating == 5 ? EdgeInsets.symmetric(horizontal: 2) : null,
                              decoration: BoxDecoration(
                                color: Color(0xFF62E833),
                                border: currentSelectedRating == 5
                                    ? Border.all(
                                        width: 2,
                                        color: Color(0xFF276918),
                                        strokeAlign: BorderSide.strokeAlignOutside,
                                      )
                                    : null,
                                borderRadius: currentSelectedRating == 5 ? BorderRadius.circular(2) : null,
                              ),
                            );
                          default:
                            return Container(
                              width: MediaQuery.of(context).size.width / 6,
                              height: 24,
                              margin: currentSelectedRating == 6 ? EdgeInsets.symmetric(horizontal: 2) : null,
                              decoration: BoxDecoration(
                                color: Color(0xFF4DCE20),
                                border: currentSelectedRating == 6
                                    ? Border.all(
                                        width: 2,
                                        color: Color(0xFF184D12),
                                        strokeAlign: BorderSide.strokeAlignOutside,
                                      )
                                    : null,
                                borderRadius: currentSelectedRating == 6
                                    ? BorderRadius.horizontal(
                                        left: Radius.circular(2),
                                        right: Radius.circular(8),
                                      )
                                    : BorderRadius.horizontal(
                                        right: Radius.circular(8),
                                      ),
                              ),
                            );
                        }
                      },
                      onRatingUpdate: (value) {
                        setState(() {
                          currentSelectedRating = value;
                        });
                        EasyDebounce.debounce(
                          'change-satiety',
                          Duration(milliseconds: 250),
                          () {
                            context.read<DiaryCubit>().fillSatiety(diaryId: state.diary.id, satiety: currentSelectedRating.toInt());
                          },
                        );
                      },
                    ),
                    SvgPicture.asset(
                      'assets/icons/satiety_emoji_right.svg',
                      height: 32,
                      width: 32,
                    ),
                  ],
                ),
              ],
            ),
          );
        }
        return const SizedBox.shrink();
      },
    );
  }
}