static void Main(string[] args)
{
VendingMachineConfig.Load();
VendingMachine vendingMachine = new VendingMachine(VendingMachineConfig.VendingMachineItems);
Console.Out.WriteLine("Welcome to the Vending Machine! Enjoy your snack");
Console.Out.WriteLine(Instructions());
bool exit = false;
while (!exit)
{
ConsoleKeyInfo key = Console.ReadKey(true);
switch (key.KeyChar)
{
case '1':
{
Console.Out.WriteLine(vendingMachine.PrintItems());
break;
}
case '2':
{
Console.Out.WriteLine("How much money will you insert? (e.g 0.50 or 1)");
string userInput = Console.In.ReadLine();
float money = 0.0f;
if (float.TryParse(userInput, out money) && money > 0.0f)
{
vendingMachine.InsertCoin(money);
Console.Out.WriteLine(string.Format("Current Balance: ${0:F2}.", vendingMachine.CurrentBalance));
}
else
{
Console.Out.WriteLine("That is not a valid amount.");
}
break;
}
case '3':
{
Console.Out.WriteLine(string.Format("Current Balance: ${0:F2}.", vendingMachine.CurrentBalance));
break;
}
case '4':
{
Console.Out.WriteLine("Enter the key for the snack that you want:");
string userInput = Console.In.ReadLine();
VendingMachineItem item = null;
bool success = vendingMachine.SelectItem(userInput, out item);
if (success)
{
Console.Out.WriteLine("You successfully purchased {0}.", item.Name);
if (vendingMachine.CurrentBalance > 0.0)
{
Console.Out.WriteLine("Your change is ${0:F2}.", vendingMachine.RefundBalance());
}
}
else
{
if (item == null)
{
Console.Out.WriteLine("The key entered is not valid.");
}
else if (item.Remaining == 0)
{
Console.Out.WriteLine("{0} is sold out.", item.Name);
}
else if (item.Cost > vendingMachine.CurrentBalance)
{
Console.Out.WriteLine(string.Format("There is not enough money in the machine. Please add ${0:F2}.", item.Cost - vendingMachine.CurrentBalance));
}
else
{
Console.Out.WriteLine("There was an unexpected error making this purchase...");
}
}
break;
}
case '5':
{
float refundAmount = vendingMachine.RefundBalance();
if (refundAmount > 0.0f)
{
Console.Out.WriteLine(string.Format("Your change is: ${0:F2}.", refundAmount));
}
else
{
Console.Out.WriteLine("You did not insert any money.");
}
break;
}
case 'r':
{
ResetData();
vendingMachine = new VendingMachine(VendingMachineConfig.VendingMachineItems);
Console.Out.WriteLine("The data has been reset.");
break;
}
case 'q':
{
exit = true;
VendingMachineConfig.VendingMachineItems = vendingMachine.GetItems();
VendingMachineConfig.Save();
break;
}
default:
{
Console.Out.WriteLine("\nI did not understand your request.");
Console.Out.WriteLine(Instructions());
break;
}
}
}
Console.Out.WriteLine("Good bye!\nPress ENTER key to continue...");
Console.In.Read();
}
