public void Deposit(CoinService service)
{
foreach (var coin in _coins)
{
service.Insert(coin.Key, coin.Value);
}
_coins.Clear();
}
private int ReturnCoin(CoinService service, Coin coin, int amount)
{
int dispensedCoins = Math.Min(amount / CoinValue(coin), Stored(coin));
service.Insert(coin, dispensedCoins);
RemoveFromService(coin, dispensedCoins);
return(dispensedCoins);
}
public void Return(CoinService service, int amount)
{
int returnedQuarters = ReturnCoin(service, Coin.Quarter, amount);
amount -= returnedQuarters * CoinValue(Coin.Quarter);
int returnedDimes = ReturnCoin(service, Coin.Dime, amount);
amount -= returnedDimes * CoinValue(Coin.Dime);
int returnedNickels = ReturnCoin(service, Coin.Nickel, amount);
amount -= returnedNickels * CoinValue(Coin.Nickel);
int returnedPennies = ReturnCoin(service, Coin.Penny, amount);
amount -= returnedPennies * CoinValue(Coin.Penny);
}