public void BuyItem(string itemName)
{
double price = 0;
Console.WriteLine($"Prices: ${Lemon.price} per lemon, ${Sugar.price} per sugar, ${Ice.price} per ice, ${Cup.price} per cup.");
string prompt = $"How many items would you like to purchase? Please enter a number greater than or equal to 0.";
int numberOfItems = UserInterface.GetUserPositiveNumber(prompt);
List <Commodity> items = new List <Commodity>();
for (int i = 0; i < numberOfItems; ++i)
{
switch (itemName)
{
case "cup":
price = Cup.price;
items.Add(new Cup());
break;
case "ice":
price = Ice.price;
items.Add(new Ice());
break;
case "lemon":
price = Lemon.price;
items.Add(new Lemon());
break;
case "sugar":
price = Sugar.price;
items.Add(new Sugar());
break;
}
}
if (price * numberOfItems > Money)
{
Console.WriteLine($"You do not have enough money to buy {numberOfItems} {itemName}. It costs ${price * numberOfItems} and you have ${Money}");
}
else
{
Money -= price * numberOfItems;
Console.WriteLine($"You have ${Money} after your purchase.");
Inventory.AddItems(items);
}
DecideIfBuyingItems();
}