/// <summary>
/// Acts on the purchase menu selection from the user.
/// </summary>
/// <param name="purchaseMenuInput"></param>
private void ManagePurchaseMenu()
{
int purchaseMenuInput;
while (true)
{
string currentBalanceString = $"Current Money Provided: {VendoMatic500.Balance.ToString("C")}";
purchaseMenuInput = Menu(PurchaseMenuOptions, currentBalanceString);
Console.Clear();
if (purchaseMenuInput == 1) // FEED MONEY
{
FeedMoneyUntilCancel();
}
else if (purchaseMenuInput == 2) // SELECT PRODUCT
{
string selectedItem = GetUserSelectedProduct();
ProcessPurchaseOfSelectedProduct(selectedItem);
}
else if (purchaseMenuInput == 3) // FINISH TRANSACTION
{
Change change = VendoMatic500.ReturnChange();
WriteChangeMessage(change);
break;
}
}
}
/// <summary>
/// Allows the user to deposit money into the vending machine in whole dollar amounts.
/// </summary>
private void FeedMoneyUntilCancel()
{
int feedAmount;
do
{
feedAmount = GetInputPositiveInteger("Enter the number of dollars to feed (ENTER when finished): $");
if (feedAmount != 0)
{
VendoMatic500.FeedMoney(feedAmount);
Console.WriteLine($"Deposit successful. Balance: {VendoMatic500.Balance.ToString("C")}");
Console.WriteLine();
}
} while (feedAmount != 0);
}
/// <summary>
/// Displays vending machine inventory as a list. Items with no remaining
/// stock are displayed as "SOLD OUT!"
/// </summary>
private void DisplayVendingItemsList()
{
Console.Clear();
string[] slots = VendoMatic500.Slots;
foreach (string slot in slots)
{
VendableItems item = VendoMatic500.GetItemAtSlot(slot);
if (item.AmountRemaining > 0)
{
Console.WriteLine($"{slot,-4} {item.Name,-19} ${item.Cost}");
}
else
{
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.WriteLine($"{slot,-4} {item.Name,-19} SOLD OUT!");
Console.ForegroundColor = ConsoleColor.White;
}
}
Console.WriteLine();
}
/// <summary>
/// Purchases the selected product, if valid.
/// </summary>
/// <param name="selection">The user input product code / "slot".</param>
private void ProcessPurchaseOfSelectedProduct(string selection)
{
try
{
VendableItems item = VendoMatic500.Purchase(selection);
if (item != null)
{
ResponsiveYumText += item.ConsumeMessage + "\n";
Console.WriteLine();
Console.WriteLine($"Dispensing {item.Name}...");
Console.WriteLine();
PauseOperation();
}
}
catch (VendingMachineException e)
{
Console.WriteLine(e.Message);
Console.WriteLine();
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
}
}
/// <summary>
/// Displays vending machine inventory as a list. Items with no remaining
/// stock are displayed as "SOLD OUT!"
/// </summary>
private void DisplayVendingItemsGrid()
{
Console.Clear();
string[] slots = VendoMatic500.Slots;
Console.WriteLine("----------------------------------------------------------------------------------------");
foreach (char c in "ABCD".ToCharArray())
{
for (int s = 1; s < 5; s++)
{
string address = c.ToString() + s.ToString();
VendableItems item = VendoMatic500.GetItemAtSlot(address);
if (item.AmountRemaining > 0)
{
Console.Write($"| {address,-17}|");
}
else
{
Console.Write("|");
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.Write($" {address,-17}");
Console.ForegroundColor = ConsoleColor.White;
Console.Write("|");
}
}
Console.WriteLine();
for (int s = 1; s < 5; s++)
{
string address = c.ToString() + s.ToString();
VendableItems item = VendoMatic500.GetItemAtSlot(address);
if (item.AmountRemaining > 0)
{
Console.Write($"| {item.Name,-19}|");
}
else
{
Console.Write("|");
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.Write($" {item.Name,-19}");
Console.ForegroundColor = ConsoleColor.White;
Console.Write("|");
}
}
Console.WriteLine();
for (int s = 1; s < 5; s++)
{
string address = c.ToString() + s.ToString();
VendableItems item = VendoMatic500.GetItemAtSlot(address);
if (item.AmountRemaining > 0)
{
Console.Write($"| {item.Cost.ToString("C"),-18}|");
}
else
{
Console.Write("|");
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.Write($" SOLD OUT! ");
Console.ForegroundColor = ConsoleColor.White;
Console.Write("|");
}
}
Console.WriteLine();
Console.WriteLine("----------------------------------------------------------------------------------------");
}
Console.WriteLine();
}
