public void RunInterface() { vendingMachine.AddItems(); Prompt(); bool done = false; while (!done) { string input = Console.ReadLine(); switch (input) { case "1": Console.Clear(); DisplayItems(); break; case "2": Console.Clear(); bool purchasing = true; while (purchasing) { Console.WriteLine("(1) Feed Money\n(2) Select Product\n(3) Finish Transaction\nCurrent Money Provided: $" + vendingMachine.Balance); Console.WriteLine(); input = Console.ReadLine(); switch (input) { case "1": Console.Clear(); Console.WriteLine("Please enter your money (whole dollars only please)"); input = Console.ReadLine(); vendingMachine.FeedMoney(input); Console.WriteLine(); Console.WriteLine(vendingMachine.SelectionResult); Console.Clear(); break; case "2": Console.Clear(); Console.WriteLine("Please enter your product selection"); input = Console.ReadLine(); Console.WriteLine(); vendingMachine.SelectItem(input.ToUpper()); Console.WriteLine(); Console.WriteLine(vendingMachine.SelectionResult); Console.WriteLine(); break; case "3": Console.Clear(); Console.WriteLine(vendingMachine.FinishTransaction()); Console.WriteLine(); purchasing = false; break; } } break; case "3": done = true; break; } Prompt(); } void Prompt() { Console.WriteLine("Welcome to the Vendo-Matic 7000!"); Console.WriteLine(); Console.WriteLine("Please make a selection"); Console.WriteLine(); Console.WriteLine("(1) Display Vending Machine Items \n(2) Purchase\n(3) End"); Console.WriteLine(); } void DisplayItems() { Console.WriteLine(); Console.WriteLine("SKU Name Price #"); Console.WriteLine("-------------------------------"); foreach (VendingMachineItem item in vendingMachine.items) { Console.WriteLine(item.ToString()); } Console.WriteLine(); } }