private void SelectProduct()
{
while (true)
{
Console.Clear();
string userInput;
DisplayItems();
Console.WriteLine();
Console.WriteLine($"{balanceMessage} {vendingMachine.Balance.ToString("C")}");
Console.WriteLine("Which product do you want to purchase? (Ex: A4, C3...) Or Press ENTER to Finish: ");
userInput = Console.ReadLine().ToUpper();
if (userInput == "")
{
break;
}
if (vendingMachine.IsValidSlot(userInput))
{
try
{
if (vendingMachine.CheckQuantityRemaining(userInput))
{
transactionLogger.RecordPurchase(userInput, vendingMachine.Inventory[userInput][0].ItemName, vendingMachine.Inventory[userInput][0].Price, vendingMachine.Balance);
Console.WriteLine();
shoppingCart.Add(vendingMachine.Purchase(userInput));
Console.WriteLine($"Dispensing {shoppingCart[shoppingCart.Count - 1].ItemName}");
Console.WriteLine();
Console.WriteLine($"{balanceMessage} {vendingMachine.Balance.ToString("C")}");
}
else
{
Console.WriteLine();
Console.WriteLine("That item it out of stock...");
Console.WriteLine();
}
}
catch (InsufficientFundsException)
{
Console.WriteLine();
Console.WriteLine("You did not feed enough money to purchase that item.");
Console.WriteLine();
}
}
else
{
Console.WriteLine();
Console.WriteLine(validInputPrompt);
}
Freeze();
}
}
