import 'package:flutter/material.dart';
import 'package:thesis_shop/bloc/cart_bloc.dart';
import 'package:thesis_shop/bloc_provider.dart';
import 'package:thesis_shop/models/product.dart';
import 'package:thesis_shop/widgets/number_picker.dart';

class ProductItem extends StatelessWidget {
  final Product product;
  const ProductItem({Key? key, required this.product}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    final cartBloc = AppState.of(context).blocProvider.cartBloc;
    return ListTile(
      title: Text('${product.title} (${product.priceAsString}€/Stück)'),
      trailing: StreamBuilder<Cart>(
          stream: cartBloc.cartStream,
          initialData: cartBloc.cart,
          builder: (context, snapshot) {
            return NumberPicker(
              value: snapshot.requireData[product] ?? 0,
              onUp: () => cartBloc.quantityEventSink
                  .add(IncreaseQuantityEvent(product)),
              onDown: () => cartBloc.quantityEventSink
                  .add(DecreaseQuantityEvent(product)),
            );
          }),
    );
  }
}