import 'package:flutter_test/flutter_test.dart';
import 'package:tane/db/database.dart';
import 'package:tane/db/enums.dart';

import '../support/test_support.dart';

/// A Sale is a recorded seed sale/purchase — a model separate from a gift or a
/// Plantare, with a price in any currency.
void main() {
  late AppDatabase db;
  setUp(() => db = newTestDatabase());
  tearDown(() => db.close());

  test('records a sale with amount + currency and lists it', () async {
    final repo = newTestRepository(db);
    final vid = await repo.addQuickVariety(label: 'Tomate rosa');
    await repo.createSale(
      direction: SaleDirection.iSold,
      varietyId: vid,
      counterparty: 'Ana',
      amount: 5,
      currency: '€',
    );

    final all = await repo.watchSales().first;
    expect(all.single.direction, SaleDirection.iSold);
    expect(all.single.amount, 5);
    expect(all.single.currency, '€');
    expect(all.single.counterparty, 'Ana');
    expect(await repo.watchSalesForVariety(vid).first, hasLength(1));
  });

  test('supports any currency (Ğ1, time…) and a price-less record', () async {
    final repo = newTestRepository(db);
    await repo.createSale(direction: SaleDirection.iBought, amount: 12, currency: 'Ğ1');
    await repo.createSale(direction: SaleDirection.iSold); // no figure yet
    final all = await repo.watchSales().first;
    expect(all, hasLength(2));
    expect(all.any((s) => s.currency == 'Ğ1' && s.amount == 12), isTrue);
    expect(all.any((s) => s.amount == null), isTrue);
  });

  test('deleting a sale tombstones it', () async {
    final repo = newTestRepository(db);
    final id = await repo.createSale(direction: SaleDirection.iSold, amount: 3);
    expect(await repo.watchSales().first, hasLength(1));
    await repo.deleteSale(id);
    expect(await repo.watchSales().first, isEmpty);
  });

  test('sales survive a backup round-trip', () async {
    final repoA = newTestRepository(db);
    await repoA.createSale(
      direction: SaleDirection.iSold,
      counterparty: 'Feria de la comarca',
      amount: 2.5,
      currency: '€',
    );
    final snapshot = await repoA.exportInventory();
    expect(snapshot.sales, hasLength(1));

    final dbB = newTestDatabase();
    addTearDown(dbB.close);
    final repoB = newTestRepository(dbB);
    await repoB.importInventory(snapshot);
    final onB = await repoB.watchSales().first;
    expect(onB.single.amount, 2.5);
    expect(onB.single.currency, '€');
    expect(onB.single.counterparty, 'Feria de la comarca');
  });
}