import 'package:calorimeter/food_entry/enter_food_widget.dart';
import 'package:calorimeter/food_entry/food_entry_bloc.dart';
import 'package:calorimeter/food_entry/food_entry_widget.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';

class FoodEntryList extends StatelessWidget {
  final List<FoodEntryState> entries;

  const FoodEntryList({
    required this.entries,
    super.key,
  });

  @override
  Widget build(BuildContext context) {
    return ListView.builder(
      itemCount: entries.length + 1,
      itemBuilder: (BuildContext itemBuilderContext, int listIndex) {
        //last item in list is the widget to enter food
        if (listIndex == entries.length) {
          return Column(
            children: [
              EnterFoodWidget(
                onAdd: (context, entry) {
                  context
                      .read<FoodEntryBloc>()
                      .add(FoodEntryEvent(entry: entry));
                },
              ),
              const SizedBox(height: 75),
            ],
          );
        }

        var entryIndex = listIndex;
        return Column(
          children: [
            FoodEntryWidget(
              key: ValueKey(entries[entryIndex].id),
              entry: entries[entryIndex],
              onDelete: (_, id) {
                context.read<FoodEntryBloc>().add(FoodDeletionEvent(
                      entryID: id,
                    ));
              },
              onChange: (_, changedEntry) {
                context
                    .read<FoodEntryBloc>()
                    .add(FoodChangedEvent(newEntry: changedEntry));
              },
            ),
            const Divider(),
          ],
        );
      },
    );
  }
}