public Money Withdraw(decimal requestedSum)
{
Log.Info("Request for withdrw " + requestedSum);
AtmState result;
List <MutablePair <decimal, int> > combination;
var moneyForWithdraw = new Money();
if (_moneyCassettes == null || _moneyCassettes.Count == 0)
{
return(moneyForWithdraw);
}
if (_banknoteSelector.TrySelect(ConvertCassettes(), requestedSum, out result, out combination))
{
UpdateCassettes(combination);
moneyForWithdraw = (Money)PreparedMoney.Clone();
}
CurrentState = result;
Log.Info(_logViewer.ToString(moneyForWithdraw, result));
// Statistics.Update(requestedSum,moneyForWithdraw, CurrentState,new List<Cassette>(_moneyCassettes));
AtmEvent.OnWithdrawMoneyEvent(requestedSum, CurrentState, moneyForWithdraw);
return(moneyForWithdraw);
}