public void Run()
{
Console.WriteLine("My Vending Machine. Please buy something ...");
while (true)
{
Console.WriteLine();
Console.WriteLine("Menu");
Console.WriteLine("1 - Buy Something");
Console.WriteLine("2 - Insert Coin");
Console.WriteLine("3 - Give me my money back");
Console.WriteLine("H - Help");
Console.WriteLine("E - Exit");
Console.WriteLine();
OutputCurrentAmount();
Console.Write("Please select an option:");
string input = Console.ReadLine();
if (input == "1")
{
DisplayPurchaseMenu();
}
else if (input.ToUpper() == "2")
{
DisplayCoinMenu();
}
else if (input.ToUpper() == "3")
{
_vendingMachine.Refund();
}
else if (input.ToUpper() == "H")
{
DisplayHelp();
}
else if (input.ToUpper() == "E")
{
Console.WriteLine("Thanks for coming. Exiting....");
break;
}
else
{
Console.WriteLine("Please try again");
}
Console.ReadLine();
Console.Clear();
}
}
public IEnumerable <Coin> Refund()
{
var coins = _vendingMachine.Refund();
return(coins);
}