import 'package:eatvio_app/core/widgets/data_error_widget.dart';
import 'package:eatvio_app/core/widgets/loader.dart';
import 'package:eatvio_app/features/feed/presentation/bloc/diets_cubit/diets_cubit.dart';
import 'package:eatvio_app/features/feed/presentation/bloc/diets_cubit/diets_state.dart';
import 'package:eatvio_app/features/feed/presentation/widgets/diet_filter_bottom_sheet.dart';
import 'package:eatvio_app/features/feed/presentation/widgets/diets_widget.dart';
import 'package:eatvio_app/features/feed/presentation/widgets/filter_badge.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';

class Diets extends StatelessWidget {
  const Diets({super.key});

  @override
  Widget build(BuildContext context) {
    return RefreshIndicator(
      onRefresh: () => context.read<DietsCubit>().loadDiets(),
      child: BlocBuilder<DietsCubit, DietsState>(
        builder: (BuildContext context, DietsState state) {
          if (state.isLoading) {
            return Scaffold(
              backgroundColor: Colors.grey.shade200,
              body: const Loader(),
            );
          } else if (state.errorMessage != null) {
            return DataErrorWidget(onReload: () => context.read<DietsCubit>().loadDiets());
          } else {
            return Stack(
              children: [
                SizedBox.expand(),
                ListView.separated(
                  padding: EdgeInsets.symmetric(vertical: 8),
                  shrinkWrap: true,
                  physics: BouncingScrollPhysics(),
                  itemBuilder: (context, index) {
                    return DietsWidget(diet: state.dietsList[index], index: index);
                  },
                  separatorBuilder: (context, index) {
                    return SizedBox(height: 8);
                  },
                  itemCount: state.dietsList.length,
                ),
                Positioned(
                  right: 0,
                  bottom: 74,
                  child: FilterBadge(
                    filterBottomSheet: DietFilterBottomSheet(
                      dietsCubit: context.read<DietsCubit>(),
                    ),
                  ),
                ),
              ],
            );
          }
        },
      ),
    );
  }
}