private static void BuyItemByIndex(IVendingMachine machine, int index)
{
int numberOfItemsThatCanBePurchased = machine.HowManyItemsCanBeBought(index);
string nameOfItem = machine.GetCurrentCatalogue()[index].GetItemType().Name;
if (numberOfItemsThatCanBePurchased == 0)
{
Console.WriteLine($"You don't have balance to purchase any {nameOfItem}! Please top up balance from Main Menu");
GoBackToMainMenu(machine);
}
else
{
Console.WriteLine($"You can at most buy {numberOfItemsThatCanBePurchased} with your balance of ${machine.GetWalletBalance()}.");
Console.WriteLine("How many do you want to buy?");
string input = Console.ReadLine();
if (IsResponseInteger(input))
{
int responseInt = GetResponseInteger(input);
if (responseInt > 0 && responseInt <= numberOfItemsThatCanBePurchased)
{
List <IItem> items = machine.PurchaseItem(index, responseInt);
Console.WriteLine($"Congratulations! You purchased {responseInt} {nameOfItem}");
DisplayCurrentCatalogue(machine);
GoBackToMainMenu(machine);
}
else
{
Console.WriteLine("Wrong Input");
GoBackToMainMenu(machine);
}
}
else
{
Console.WriteLine("Wrong Input");
GoBackToMainMenu(machine);
}
}
}
private static void DisplayCurrentCatalogue(IVendingMachine machine)
{
Console.WriteLine("======================================================================================");
DisplayCatalogue(machine.GetCurrentCatalogue());
Console.WriteLine("======================================================================================");
}
private static void AddItem(IVendingMachine machine)
{
Console.WriteLine("1. Add Burger");
Console.WriteLine("2. Add Meatball");
Console.WriteLine("3. Add Water");
Console.WriteLine("4. Add Soda");
Console.WriteLine("5. Add Soft Drink");
Console.WriteLine("6. Add Pistol");
Console.WriteLine("7. Add Sword");
Console.WriteLine("8. Add LightSaber");
string response = Console.ReadLine();
if (IsResponseInteger(response))
{
int responseInt = GetResponseInteger(response);
Console.WriteLine("Enter the quantity of addition:");
string responseQuantity = Console.ReadLine();
if (IsResponseInteger(responseQuantity))
{
int responseQuantityInt = GetResponseInteger(responseQuantity);
if (responseQuantityInt > 0)
{
switch (responseInt)
{
case 1:
AddBurger(machine, responseQuantityInt);
break;
case 2:
AddMeatBall(machine, responseQuantityInt);
break;
case 3:
AddWater(machine, responseQuantityInt);
break;
case 4:
AddSoda(machine, responseQuantityInt);
break;
case 5:
AddSoftDrink(machine, responseQuantityInt);
break;
case 6:
AddPistol(machine, responseQuantityInt);
break;
case 7:
AddSword(machine, responseQuantityInt);
break;
case 8:
AddLightSaber(machine, responseQuantityInt);
break;
}
Console.WriteLine("CONGRATULATIONS! ITEMS ADDED TO CATALOGUE");
DisplayCatalogue(machine.GetCurrentCatalogue());
GoBackToMainMenu(machine);
}
else
{
if (WillRetry("Y"))
{
GoBackToMainMenu(machine);
}
}
}
else
{
if (WillRetry("Y"))
{
GoBackToMainMenu(machine);
}
}
}
else
{
if (WillRetry("Y"))
{
GoBackToMainMenu(machine);
}
}
}
private static int DisplayItemsForBuying(IVendingMachine machine)
{
DisplayCurrentCatalogue(machine);
return(machine.GetCurrentCatalogue().Count);
}
