import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:groci/models/line_item.dart';
import 'package:groci/widgets/item_edit_sheet.dart';

void main() {
  testWidgets('edit sheet syncs quantity unit and total', (tester) async {
    LineItem? saved;
    await tester.pumpWidget(
      MaterialApp(
        home: Scaffold(
          body: Builder(
            builder: (context) {
              return TextButton(
                onPressed: () async {
                  saved = await showItemEditSheet(
                    context,
                    item: LineItem(
                      id: '1',
                      name: 'Milk',
                      price: 3.98,
                      quantity: 2,
                      unitPrice: 1.99,
                    ),
                  );
                },
                child: const Text('Open'),
              );
            },
          ),
        ),
      ),
    );

    await tester.tap(find.text('Open'));
    await tester.pumpAndSettle();

    expect(find.text('Edit item'), findsOneWidget);
    expect(find.text('Qty'), findsOneWidget);
    expect(find.text('Unit price'), findsOneWidget);
    expect(find.text('Total price'), findsOneWidget);
    expect(find.text('2 × € 1.99'), findsOneWidget);

    await tester.enterText(find.widgetWithText(TextField, 'Qty'), '3');
    await tester.pump();
    expect(find.text('3 × € 1.99'), findsOneWidget);

    await tester.tap(find.text('Save'));
    await tester.pumpAndSettle();

    expect(saved, isNotNull);
    expect(saved!.name, 'Milk');
    expect(saved!.quantity, 3);
    expect(saved!.unitPrice, 1.99);
    expect(saved!.price, closeTo(5.97, 0.001));
  });
}