import 'package:flutter_test/flutter_test.dart';
import 'package:groci/models/line_item.dart';

import 'test_helpers.dart';

void main() {
  ensureTestSqlite();

  test(
    'deleting a product keeps the trip line and drops the catalog row',
    () async {
      final repository = memoryRepository();
      final shopId = await repository.saveShop(
        supermarket: 'Jumbo',
        shoppedAt: DateTime(2026, 8, 12),
        items: [LineItem(id: '1', name: 'Milk', price: 1.5)],
      );

      final products = await repository.getAll();
      expect(products, hasLength(1));
      await repository.deleteProduct(products.single.id);

      expect(await repository.getAll(), isEmpty);
      final items = await repository.getShopItems(shopId);
      expect(items, hasLength(1));
      expect(items.single.name, 'Milk');
      expect(items.single.productId, isNull);
    },
  );

  test('addShopItem appends a line and updates the trip total', () async {
    final repository = memoryRepository();
    final shopId = await repository.saveShop(
      supermarket: 'Jumbo',
      shoppedAt: DateTime(2026, 8, 12),
      items: [LineItem(id: '1', name: 'Milk', price: 1.5)],
    );

    await repository.addShopItem(
      shopId: shopId,
      item: LineItem(id: '2', name: 'Bread', price: 2),
    );

    final shop = (await repository.getShop(shopId))!;
    expect(shop.total, 3.5);
    final items = await repository.getShopItems(shopId);
    expect(items, hasLength(2));
    expect(items.map((item) => item.name), ['Milk', 'Bread']);
    expect((await repository.getAll()).map((product) => product.name).toSet(), {
      'Milk',
      'Bread',
    });
  });

  test('getLastTripSupermarkets lists unique stores newest first', () async {
    final repository = memoryRepository();
    await repository.saveShop(
      supermarket: 'Jumbo',
      shoppedAt: DateTime(2026, 8, 1),
      items: [LineItem(id: '1', name: 'Milk', price: 1.5)],
    );
    await repository.saveShop(
      supermarket: 'Albert Heijn',
      shoppedAt: DateTime(2026, 8, 12),
      items: [LineItem(id: '2', name: 'Bread', price: 2)],
    );

    expect(await repository.getLastTripSupermarkets(), [
      'Albert Heijn',
      'Jumbo',
    ]);
  });

  test('deleting all products leaves shopping trips in place', () async {
    final repository = memoryRepository();
    await repository.saveShop(
      supermarket: 'Jumbo',
      shoppedAt: DateTime(2026, 8, 12),
      items: [
        LineItem(id: '1', name: 'Milk', price: 1.5),
        LineItem(id: '2', name: 'Bread', price: 2),
      ],
    );
    await repository.deleteAllProducts();

    expect(await repository.getAll(), isEmpty);
    expect(await repository.getShops(), hasLength(1));
    final overview = await repository.getOverview();
    expect(overview.productCount, 0);
    expect(overview.tripCount, 1);
  });
}