package bg.jwd.webbanking;

import java.util.HashMap;

import org.springframework.stereotype.Service;

@Service
public class WebBankingService implements WebBanking {
    private static HashMap<String, Double> clients = new HashMap<String, Double>();

    @Override
    public boolean withdraw(String client, double amount) {
        if (client == null) {
            return false;
        }
        if (!clients.containsKey(client)) {
            return false;
        }

        Double currentAmount = clients.get(client);
        if (amount > currentAmount) {
            return false;
        }

        Double newAmount = currentAmount - amount;
        clients.put(client, newAmount);
        return true;
    }

    @Override
    public boolean deposit(String client, double amount) {
        if (client == null || amount <= 0) {
            return false;
        }
        if (!clients.containsKey(client)) {
            clients.put(client, 0.0);
        }
        clients.put(client, amount);
        return true;
    }

}