import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'sample_data.dart';

/* todo:
  - individuelle Icons je nach Kategorie
  - Gesamtpreis
*/

class ShowBasket extends StatelessWidget {
  final Transaction transaction;
  final bool editable;

  const ShowBasket(
      {super.key, required this.transaction, this.editable = false});

  @override
  Widget build(BuildContext context) {
    return Column(children: [
      Card(
        child: ListTile(
            leading: const Icon(
              Icons.euro,
            ),
            title: const Text(
              'Kosten:',
            ),
            subtitle: Text(
              '${transaction.amount / 100}',
            )),
      ),
      getBasket(transaction.basket!)
    ]);
  }

  ListView getBasket(List<Basket> basket) {
    return ListView.builder(
      shrinkWrap: true,
      itemCount: null,
      itemBuilder: (context, index) {
        if (index < basket.length) {
          return Card(
            child: ListTile(
              leading: getLeading(basket[index].products.category),
              title: Text(basket[index].products.name),
              subtitle: Text(
                  '${basket[index].amount} ${basket[index].products.unit}'),
              trailing: editable == true ? getTrailing() : null,
            ),
          );
        } else {
          return null;
        }
      },
    );
  }

  Widget getLeading(Category category) {
    switch (category) {
      case Category.obstUndGemuese:
        return const Text("🍅");
      case Category.brotCerealienUndAufstriche:
        return const Text('🍞');
      case Category.drogerieUndHaushalt:
      case Category.getraenke:
      case Category.kochenUndBacken:
      case Category.pfand:
      case Category.suessesUndKnabbereien:
      case Category.oeleSossenUndGewuerze:
      default:
        return const Icon(Icons.error);
    }
  }

  Widget getTrailing() {
    return TextField(
      decoration: const InputDecoration(labelText: "Enter your number"),
      keyboardType: TextInputType.number,
      inputFormatters: <TextInputFormatter>[
        FilteringTextInputFormatter.digitsOnly
      ],
    );
  }
}