import 'package:injectable/injectable.dart';
import 'package:mnemo_cards_backend/api/purchase/payment_manager.dart';
import 'package:mnemo_cards_backend/database/database.dart';
import 'package:mnemo_cards_common/mnemo_cards_common.dart';
import 'task.dart' as task;

@LazySingleton()
class CheckPaymentTask with task.Task {
  final PaymentManager _paymentManager;
  final AppDatabase _db;

  CheckPaymentTask(this._paymentManager, this._db);

  Future<void> task() => check();

  Future<void> check() async {
    print('Checking payments...');

    // Получаем платежи, которые не обработаны и не unknown
    final allPayments = await _db.paymentDao.getAllPayments();

    final unprocessedPayments = allPayments.where((payment) {
      final status = PaymentStatus.values.firstWhere(
        (s) => s.name == payment.status,
        orElse: () => PaymentStatus.unknown,
      );

      if (status == PaymentStatus.processed ||
          status == PaymentStatus.unknown) {
        return false;
      }

      final system = PaymentSystem.values.firstWhere(
        (s) => s.name == payment.paymentSystem,
        orElse: () => PaymentSystem.yookassa,
      );

      return system == PaymentSystem.yookassa ||
          system == PaymentSystem.rustore;
    }).toList();

    print('Found ${unprocessedPayments.length} unprocessed payments');
    for (final payment in unprocessedPayments) {
      try {
        // PaymentManager должен работать с Payment (Drift)
        // TODO: Возможно нужна конвертация в PaymentModel если PaymentManager еще не мигрирован
        await _paymentManager.checkAndProcessPayment(payment);
      } catch (e, s) {
        print(e);
        print(s);
      }
    }
  }

  @override
  String get name => 'check_payment';

  @override
  int get intervalSeconds => 300;
}