// Customer can call this to check what is in the wallet
public void CoinsInWallet()
{
UserInterface.SeparatorLine();
UserInterface.OutputText($"You have ${Coin.TotalCoinValue(Coins):F2} in coins");
UserInterface.DisplayObjects(Coins);
UserInterface.SeparatorLine();
}
private void DisplayStatus()
{
UserInterface.SeparatorLine();
UserInterface.OutputText($"The Soda Machine has made a total of ${bankAccount:F2} from credit card sales");
UserInterface.OutputText("The Soda Machine has these in stock:");
UserInterface.DisplayObjects(_inventory);
UserInterface.OutputText($"The Soda Machine has ${Coin.TotalCoinValue(_register):F2} in change");
UserInterface.DisplayObjects(_register);
UserInterface.SeparatorLine();
}
//This is the main method for calculating the result of the transaction.
//It takes in the payment from the customer, the soda object they selected, and the customer who is purchasing the soda.
//This is the method that will determine the following:
//If the payment is greater than the price of the soda, and if the sodamachine has enough change to return: Despense soda, and change to the customer.
//If the payment is greater than the cost of the soda, but the machine does not have ample change: Despense payment back to the customer.
//If the payment is exact to the cost of the soda: Despense soda.
//If the payment does not meet the cost of the soda: despense payment back to the customer.
private void CalculateTransaction(List <Coin> payment, Can chosenSoda, Customer customer)
{
double totalAmount = Coin.TotalCoinValue(payment);
// Need to give back extra
// Because of Double inaccuraies, it would be easiest to check for equals first
// if Equal
if (Math.Abs(totalAmount - chosenSoda.Price) < doubleErrorMargin)
{
UserInterface.EndMessage(chosenSoda.Name, 0);
customer.AddCanToBackpack(chosenSoda);
DepositCoinsIntoRegister(payment);
} // If the value + error margin that could make it go slightly below is greater than Soda price
else if (totalAmount + doubleErrorMargin > chosenSoda.Price)
{
// Check to see if machine has enough change
double change = DetermineChange(Coin.TotalCoinValue(payment), chosenSoda.Price);
List <Coin> changeInCoins = GatherChange(change);
if (changeInCoins is null)
{
UserInterface.OutputText($"The soda machine does not have enough change, returning ${Coin.TotalCoinValue(payment):F2}");
// Return money and put soda back
customer.AddCoinsIntoWallet(payment);
_inventory.Add(chosenSoda);
}
else
{
UserInterface.EndMessage(chosenSoda.Name, Coin.TotalCoinValue(changeInCoins));
customer.AddCanToBackpack(chosenSoda);
DepositCoinsIntoRegister(payment);
customer.AddCoinsIntoWallet(changeInCoins);
}
}
else // Has to be less than
{
// Give back the money, and put soda back into inventory
UserInterface.OutputText("Not enough for soda, returning money");
customer.AddCoinsIntoWallet(payment);
_inventory.Add(chosenSoda);
}
DisplayStatus();
}
