public void EnterPurchaseMenu(VendingMachine vm)
{
while (true)
{
DisplayPurchaseMenu(vm);
string selection = Console.ReadLine();
switch (selection)
{
case "1":
Console.WriteLine("Enter the amount you would like to add in whole dollars");
string input = Console.ReadLine();
int amt;
bool didParseSucceed = int.TryParse(input, out amt);
if (!didParseSucceed)
{
Console.WriteLine("Invalid entry. Please try again.");
break;
}
vm.FeedMoney(amt);
break;
case "2":
vm.DisplayCurrentInventory();
Console.WriteLine("Please enter a selection");
string input1 = Console.ReadLine().ToUpper();
vm.Dispense(input1);
break;
case "3":
Console.WriteLine("Thank you for your patronage!");
(int numQ, int numD, int numN) = ChangeIntoQuarDimNic(vm);
Console.WriteLine($"Your change is {numQ} Quarters, {numD} Dimes, and {numN} Nickels.");
return;
default:
break;
}
Console.WriteLine("Press enter to continue.");
Console.ReadLine();
}
}
public void Display()
{
while (true)
{
Console.WriteLine();
Console.WriteLine("Purchase Menu");
Console.WriteLine("1] >> Feed Money ");
Console.WriteLine("2] >> Select Product");
Console.WriteLine("3] >> Finish Transaction");
Console.WriteLine("Q] >> Return to Main Menu");
Console.Write("Please make a selection: ");
string input = Console.ReadLine();
if (input == "1")
{
Console.WriteLine(""); // Feeding Money
vm.FeedMoney(vm);
Console.Clear();
}
else if (input == "2")
{
Console.WriteLine(""); // Selecting Product
(string slotID, bool enoughMoney, bool notSoldOut) = vm.SelectProduct();
if (enoughMoney && slotID != "Q" && notSoldOut)
{
itemToConsume = vm.CurrentStock[slotID].SlotItem;
vm.Dispense(vm, slotID);
Console.WriteLine($"{vm.CurrentStock[slotID].SlotItem.ProductName} dispensing now . . .");
System.Threading.Thread.Sleep(3000);
}
if (!notSoldOut)
{
Console.WriteLine();
Console.WriteLine("Item is sold out!");
System.Threading.Thread.Sleep(2000);
}
Console.Clear();
}
else if (input == "3")
{
if (vm.Balance == 0)
{
Console.WriteLine();
Console.WriteLine("Transaction Cancelled");
Console.WriteLine();
System.Threading.Thread.Sleep(1000);
Console.WriteLine($"Returning to main menu now . . .");
System.Threading.Thread.Sleep(2000);
Console.Clear();
}
else
{
Console.WriteLine(""); // Finishing Transaction
vm.GiveChange(vm);
Console.WriteLine();
System.Threading.Thread.Sleep(1500);
Customer customer = new Customer();
if (itemToConsume != null)
{
string result = customer.Consume(itemToConsume.Type);
Console.WriteLine(result);
Console.WriteLine();
}
System.Threading.Thread.Sleep(2000);
Console.WriteLine($"Returning to main menu now . . .");
System.Threading.Thread.Sleep(3500);
Console.Clear();
}
}
else if (input.ToUpper() == "Q")
{
Console.WriteLine("Returning to main menu");
break;
}
else
{
Console.WriteLine("Please try again");
}
}
}
/// <summary>
/// dislays menu to select product, shows the same Display() method
/// called by the DisplayMenu()
/// allows entry of slot ID, then checks validity of entry
/// if valid, displays a string telling the user what item they
/// purchased, and ascii art of the item type
/// also tells user if an item is sold out, if the user is out
/// of money, or if selection is invalid
/// automatically returns to the previous menu after each input
/// </summary>
public void SelectProductMenu()
{
bool exit = false;
while (!exit)
{
Console.Clear();
Console.WriteLine("\n" + _title + "\n");
DisplayItems();
Console.WriteLine("\nEnter Slot ID for the item you would like to purchase: ");
string selection = Console.ReadLine();
Item itemPurchased = _vm.Dispense(selection);
bool enoughMoney = true;
bool productExists = _vm.ProductExists(selection);
bool soldOut = _vm.SoldOut(selection);
if (!productExists)
{
Console.WriteLine("Not a valid selection!");
Console.ReadKey();
exit = true;
}
else
{
enoughMoney = _vm.MachineBalance >= itemPurchased.Price;
}
if (productExists && soldOut)
{
Console.WriteLine("Selection is SOLD OUT.");
Console.WriteLine("\nPress any key to return to the Purchase Menu.");
Console.ReadKey();
exit = true;
}
else if (productExists && enoughMoney)
{
_purchaseList.Add(itemPurchased);
_vm.UpdateBalance(selection);
itemPurchased.QtyUpdate();
Console.WriteLine($"\n You purchased: {itemPurchased.Name}!!!\n");
Console.WriteLine(itemPurchased.ItemArt());
Console.WriteLine("\n\nPress any key to return to the Purchase Menu.");
Console.ReadKey();
exit = true;
}
else if (productExists && !enoughMoney)
{
Console.WriteLine("Add more money to machine to purchase this item!");
Console.ReadKey();
exit = true;
}
}
}
