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package ufrn.imd.service.impl;
import lombok.AllArgsConstructor;
import lombok.extern.java.Log;
import ufrn.imd.domain.Account;
import ufrn.imd.domain.Client;
import ufrn.imd.repository.Repository;
import ufrn.imd.repository.impl.ClientRepository;
import ufrn.imd.service.Service;
import ufrn.imd.utils.ServerResponse;
import java.rmi.RemoteException;
import java.util.Optional;
@Log
@AllArgsConstructor
public class TransferServiceImpl implements Service {
private final Repository<Client> clientRepository;
public ServerResponse transfer(Double value, Optional<Client> from, Optional<Account> to) throws RemoteException, RuntimeException {
Client fromUser = from.orElseThrow(() -> new RuntimeException("Null user!"));
Client fromClient = clientRepository.find(fromUser.getId())
.orElseThrow(() -> new RuntimeException("Invalid user!"));
Account toUserAccount = to.orElseThrow(() -> new RuntimeException("Null account"));
Client toClient = ((ClientRepository) clientRepository).findByAccountNumber(toUserAccount.getNumber())
.orElseThrow(() -> new RuntimeException(
String.format("Customer not found with account number %s", toUserAccount.getNumber())));
if(fromClient.getId().equals(toClient.getId()))
throw new RuntimeException("Invalid account");
Account fromAccount = fromClient.getAccount();
if(value > fromAccount.getBalance()) throw new RuntimeException("Insufficient balance");
fromAccount.setBalance(fromAccount.getBalance() - value);
Account toAccount = toClient.getAccount();
toAccount.setBalance(toAccount.getBalance() + value);
log.info("Transfer concluded!");
log.info(String.format("Account balance: R$ %.2f", fromClient.getAccount().getBalance()));
return ServerResponse.builder()
.status(200)
.message("Operation sucessed!")
.body(fromClient.getAccount())
.build();
}
}