//Define the Façade Object.

//Define the Facade class which provides a common view into the defined high-level systems (objects).
public class Facade
{
private BankSystem _bank;
private LoanSystem _loan;
private CreditSystem _credit;

public Facade()
{
_bank = new BankSystem();
_loan = new LoanSystem();
_credit = new CreditSystem();
}

//The IsEligible() method will invoke separate methods in each individual object and return a single response.
public bool IsEligible(string customerId, int amount)
{
bool eligible = true;

Console.WriteLine("Customer {0} applies for {1:C} loan\n", customerId, amount);
if (!_bank.HasSufficientSavings(customerId))
{
eligible = false;
}
else if (!_loan.HasNoBadLoans(customerId))
{
eligible = false;
}
else if (!_credit.HasGoodCredit(customerId))
{
eligible = false;
}

return eligible;
}
}