public override ICurrencyRepo Reduce()
{
ICurrencyRepo originalRepo = this;
ICurrencyRepo reducedRepo = new USCurrencyRepo();
for (int x = (PossibleCoins.Count - 1); x >= 0; x--)
{
ICoin smallerCoin = PossibleCoins[x]; //coin we're reducing
ICurrencyRepo currentCoins = originalRepo.GetOnlyCoinsOfType(PossibleCoins[x].GetType());
for (int y = 0; y < PossibleCoins.Count; y++)
{
ICoin largerCoin = PossibleCoins[y]; //coin we're trying to reduce the smaller coin to
double amountNeededToReduce = largerCoin.MonetaryValue / smallerCoin.MonetaryValue;
if (currentCoins.GetCoinCount() >= amountNeededToReduce)
{
int amountPossible = (int)(currentCoins.GetCoinCount() / amountNeededToReduce);
for (int z = 0; z < amountPossible; z++)
{
reducedRepo.AddCoin(largerCoin);
for (int a = 0; a < amountNeededToReduce; a++) //removing reduced coins
{
currentCoins.Coins.RemoveAt(currentCoins.GetCoinCount() - 1);
}
}
}
}
}
return(reducedRepo);
}
//Makes change from existing coins
public override ICurrencyRepo MakeChangeFromCurrentCoins(double amount)
{
USCurrencyRepo changeRepo = new USCurrencyRepo();
List <ICoin> coinsToRemove = new List <ICoin>();
decimal change = (decimal)amount;
this.Coins = this.Coins.OrderByDescending(x => x.MonetaryValue).ToList();
foreach (USCoin coin in this.Coins)
{
if (change <= 0)
{
break;
}
decimal coinValue = (decimal)coin.MonetaryValue;
change -= coinValue;
changeRepo.AddCoin(coin);
coinsToRemove.Add(coin);
}
this.Coins = this.Coins.Except(coinsToRemove).ToList(); //remove change from this repo
return(changeRepo);
}
//Static Make Change
public static ICurrencyRepo CreateChange(double amount)
{
USCurrencyRepo repo = new USCurrencyRepo();
decimal change = (decimal)amount;
foreach (USCoin coin in PossibleCoins)
{
if (change <= 0)
{
break;
}
decimal coinValue = (decimal)coin.MonetaryValue;
int count = (int)(change / coinValue);
change -= count * coinValue;
for (int x = 0; x < count; x++)
{
repo.AddCoin(coin);
}
count = 0;
}
return(repo);
}
public override ICurrencyRepo GetOnlyCoinsOfType(Type coinType)
{
ICurrencyRepo originalRepo = this;
ICurrencyRepo repo = new USCurrencyRepo();
foreach (ICoin c in originalRepo.Coins)
{
if (coinType == c.GetType())
{
repo.AddCoin(c);
}
}
return(repo);
}
public static ICurrencyRepo CreateChange(double amount)
{
USCurrencyRepo newRepo = new USCurrencyRepo();
double currentAmount = amount;
#region AddApropriateCoins
while (currentAmount > 0)
{
if (currentAmount - 1 >= 0)
{
DollarCoin dollar = new DollarCoin();
newRepo.AddCoin(dollar);
currentAmount -= dollar.MonetaryValue;
}
else if (currentAmount - 0.5 >= 0)
{
HalfDollar halfDollar = new HalfDollar();
newRepo.AddCoin(halfDollar);
currentAmount -= halfDollar.MonetaryValue;
}
else if (currentAmount - 0.25 >= 0)
{
Quarter quarter = new Quarter();
newRepo.AddCoin(quarter);
currentAmount -= quarter.MonetaryValue;
}
else if (currentAmount - 0.1 >= 0)
{
Dime dime = new Dime();
newRepo.AddCoin(dime);
currentAmount -= dime.MonetaryValue;
}
else if (currentAmount - 0.05 >= 0)
{
Nickel nickel = new Nickel();
newRepo.AddCoin(nickel);
currentAmount -= nickel.MonetaryValue;
}
else
{
Penny penny = new Penny();
newRepo.AddCoin(penny);
currentAmount -= penny.MonetaryValue;
}
}
#endregion
return(newRepo);
}
public override ICurrencyRepo MakeChange(double amount)
{
USCurrencyRepo change = new USCurrencyRepo();
Decimal changeToMake = (Decimal)amount;
List <ICoin> coinList = GetCoinList();
foreach (USCoin coin in coinList)
{
while (changeToMake >= (Decimal)coin.MonetaryValue)
{
change.AddCoin(coin);
changeToMake -= (Decimal)coin.MonetaryValue;
}
}
return(change);
}
