public string Cash(IBanknote banknote)
{
var value = int.Parse(banknote.Value);
var numberOfBanknotes = value / nominalValue;
if (IsExisitsWholeRemainder(value, numberOfBanknotes))
{
var newBanknote = new Banknote(banknote.Currency, (value - nominalValue * numberOfBanknotes).ToString());
return(nominalValue + "*" + numberOfBanknotes + " " + nextHandler.Cash(newBanknote));
}
if (numberOfBanknotes == 0)
{
if (nextHandler != null)
{
var newBanknote = new Banknote(banknote.Currency, (value % nominalValue).ToString());
return(nextHandler.Cash(newBanknote));
}
return(banknote.Currency.ToString());
}
if (nextHandler != null)
{
var newBanknote = new Banknote(banknote.Currency,
(int.Parse(banknote.Value) % nominalValue).ToString());
return(nominalValue + "*" + numberOfBanknotes + " " + nextHandler.Cash(newBanknote));
}
if (nextHandler == null && value % nominalValue != 0)
{
return(numberOfBanknotes * 10 + value % nominalValue + " - не валидная сумма");
}
return(nominalValue + "*" + numberOfBanknotes + " " + banknote.Currency.ToString());
}
public List <Tuple <IBanknote, int> > Cash(string banknote)
{
var banknotesCount = new List <Tuple <IBanknote, int> >();
var inputValue = ParseBanknote(banknote);
return(_handler.Cash(banknotesCount, inputValue.Item1, inputValue.Item2));
}
public List <Tuple <IBanknote, int> > Cash(
List <Tuple <IBanknote, int> > banknotesCount,
CurrencyType currency, int currentValue
)
{
if (currency == Banknote.Currency)
{
var count = currentValue / Banknote.Value;
currentValue -= count * Banknote.Value;
if (count > 0)
{
banknotesCount.Add(new Tuple <IBanknote, int>(Banknote, count));
}
}
if (currentValue == 0)
{
return(banknotesCount);
}
if (_nextHandler == null)
{
Console.WriteLine("It is impossible to cash the transferred amount");
return(new List <Tuple <IBanknote, int> >());
}
return(_nextHandler.Cash(banknotesCount, currency, currentValue));
}
public string Cash(IBanknote banknote)
{
return(handler.Cash(banknote));
}
