import '../entities/transaction.dart';

abstract class TransactionRepository {
  Future<SaleTransaction> save(SaleTransaction transaction);

  Future<List<SaleTransaction>> history({int limit = 50});

  Future<SaleTransaction?> findByInvoice(String invoiceNumber);

  /// Next invoice sequence for the current month.
  Future<int> nextInvoiceSequence();

  Future<void> park(ParkedBill bill);

  Future<List<ParkedBill>> parkedBills();

  Future<void> removeParked(String id);

  Future<double> salesTotalForDay(DateTime day);
}