public static void Main()
{
var machine = new CoffeeMachine();
machine.InsertCoins(7);
machine.ChooseCoffee(1);
machine.InsertCoins(10);
machine.InsertCoins(7);
machine.TakeCoffee();
}
public AwaitingMoneyState(CoffeeMachine machine, int price)
{
this.paymentLeft = price;
this.machine = machine;
}
public IdleState(CoffeeMachine machine, int moneyInside = 0)
{
this.machine = machine;
this.moneyInside = moneyInside;
}
public IssuedProductState(CoffeeMachine machine, int change)
{
this.machine = machine;
Console.WriteLine("Given change: {0}.", change);
}