/// <summary>
/// This Method gives the user back the remaining change (Works exactly the same as Exercise 19)
/// </summary>
public static void MoneyBackCalculation(InsertMoney change)
{
int[] changeBackArray = { 1000, 500, 100, 50, 20, 10, 5, 1 };
int totalMoney = 0;
foreach (int value in change.money)
{
totalMoney = totalMoney + value;
}
Program.DisplayMessage($"Your change is {totalMoney} \nHere's the change:\n");
foreach (int value in changeBackArray)
{
int coinsBack = totalMoney / value;
if (coinsBack >= 1)
{
totalMoney -= (coinsBack * value);
}
Program.DisplayMessage($"{value} coins = {coinsBack}");
}
Program.DisplayMessage("Thank you for using my vending machine, hope it lived up to your expectations!", ConsoleColor.Green);
Console.ReadKey(true);
}
/// <summary>
/// The product menu to show the 3 main alternatives (Drinks, Food, Snacks)
/// </summary>
public void Menu(
InsertMoney Change, List <IProducts> Products, Drinks CocaCola, Drinks Pepsi, Drinks Fanta,
Food Cheeseburger, Food HotDog, Food Pizza, Snacks Twix, Snacks ChocolateBalls, Snacks Mars)
{
AffordProducts afford = new AffordProducts();
int totalMoney = 0;
bool stayAlive = true;
//foreach (int value in Change.money)
//{
// totalMoney = totalMoney + value;
//}
while (stayAlive)
{
Program.DisplayMessage(
"There's currently 3 options per category. Please choose wisely\n" +
"D - Drinks\n" +
"F - Food\n" +
"S - Snacks\n" +
"\n" +
"X - Go back\n"
);
char productsChoice = char.ToUpper(Console.ReadKey(true).KeyChar);
List <IProducts> ProductsValidation = new List <IProducts>();
switch (productsChoice)
{
case 'D':
ProductDrinks(totalMoney, Change, afford, Products, ProductsValidation, CocaCola, Pepsi, Fanta);
break;
case 'F':
ProductFood(totalMoney, Change, afford, Products, ProductsValidation, Cheeseburger, HotDog, Pizza);
break;
case 'S':
ProductSnacks(totalMoney, Change, afford, Products, ProductsValidation, Twix, ChocolateBalls, Mars);
break;
case 'X':
stayAlive = false;
break;
default:
Program.DisplayMessage("Please type one of the given values. (D, F, S, X)", ConsoleColor.Red);
break;
}
Console.Clear();
}
}
/// <summary>
/// Checks if the user has enough money for the desired product.
/// If yes - Sends out a message that the product has been used.
/// If no - Sends out a message that the user couldn't afford the product
/// </summary>
public int AffordProduct(int totalMoney, List <IProducts> ProductsValidation, InsertMoney Change)
{
foreach (IProducts item in ProductsValidation)
{
if (totalMoney >= item.Cost)
{
totalMoney -= item.Cost;
Change.money.Add(-item.Cost);
item.UseInfo();
return(totalMoney);
}
Program.DisplayMessage(
$"You couldn't afford the {item.Name}, " +
"please either pick something else or add more money to the vending machine", ConsoleColor.Red
);
}
return(totalMoney);
}
/// <summary>
/// The product menu for drinks
/// </summary>
public void ProductDrinks(int totalMoney, InsertMoney Change, AffordProducts afford, List <IProducts> Products, List <IProducts> ProductsValidation,
Drinks CocaCola, Drinks Pepsi, Drinks Fanta)
{
Console.Clear();
Program.DisplayMessage("\nIt would seem you picked drinks! You must be thirsty!", ConsoleColor.Green);
bool stayAlive = true;
foreach (int value in Change.money)
{
totalMoney = totalMoney + value;
}
while (stayAlive)
{
Program.DisplayMessage("\nHere's youll get a list of drinks that's currently available. Please pick one");
Program.DisplayMessage("\n(You select a drink by writing the first letter of the product you want)\n", ConsoleColor.Yellow);
Program.DisplayMessage(
$"You currently have {totalMoney} remaining to spend \nX - Go back. " +
$"\nZ - remaining change back.\n"
);
foreach (IProducts item in Products)
{
if (item is Drinks)
{
item.ProductsInfo();
}
}
char choiceDrinks = char.ToUpper(Console.ReadKey(true).KeyChar);
switch (choiceDrinks)
{
case 'C':
ProductsValidation.Add(CocaCola);
totalMoney = afford.AffordProduct(totalMoney, ProductsValidation, Change);
break;
case 'P':
ProductsValidation.Add(Pepsi);
totalMoney = afford.AffordProduct(totalMoney, ProductsValidation, Change);
break;
case 'F':
ProductsValidation.Add(Fanta);
totalMoney = afford.AffordProduct(totalMoney, ProductsValidation, Change);
break;
case 'X':
stayAlive = false;
break;
case 'Z':
Console.Clear();
MoneyBack.MoneyBackCalculation(Change);
stayAlive = false;
break;
default:
Program.DisplayMessage("Invalid keypress, please try again", ConsoleColor.Red);
break;
}
ProductsValidation.Clear();
if (stayAlive == true)
{
Console.ReadKey(true);
}
Console.Clear();
}
}
/// <summary>
/// Main menu for the entire Assignment.
/// </summary>
public int UserMenu()
{
bool stayAlive = true;
int usefulNumber = 0;
InsertMoney change = new InsertMoney();
VendingMachine Machine = new VendingMachine();
do
{
try
{
Program.DisplayMessage(
"\nPlease select a option:\n" +
"1: To insert money to the vending machine\n" +
"2: To look at the vending machines content\n" +
"3: To get your change back and exit the machine\n" +
"4: To exit the vending machine without getting your change back\n"
);
int choice = int.Parse(Console.ReadLine());
Console.Clear();
switch (choice)
{
case 1:
change.Insert();
break;
case 2:
Machine.VendingMachinery(change);
break;
case 3:
stayAlive = false;
MoneyBack.MoneyBackCalculation(change);
break;
case 4:
stayAlive = false;
break;
default:
throw new Exception();
}
}
catch (FormatException)
{
Program.DisplayMessage("Please type a valid number!", ConsoleColor.Red);
}
catch (OverflowException)
{
Program.DisplayMessage("Please type a value between 1-3", ConsoleColor.Red);
}
catch (ArgumentNullException)
{
Program.DisplayMessage("Please try again", ConsoleColor.Red);
}
} while (stayAlive);
return(usefulNumber);
}
/// <summary>
/// Creates all the wares used in the vending machine.
/// </summary>
public void VendingMachinery(InsertMoney change)
{
Drinks CocaCola = new Drinks(
"Coca Cola", 33, 12, "Cold beverage - perfect on warm summer days",
"You crack open the cold Coca Cola", "sweet, bubbly taste of heaven"
);
Drinks Pepsi = new Drinks(
"Pepsi", 33, 12, "Cold beverage - okay on warm summer days, inferior to Coca Cola",
"You crack open the cold Pepsi", "sweet, bubbly taste of inferiority over Coca Cola"
);
Drinks Fanta = new Drinks(
"Fanta", 33, 12, "Cold beverage - good on warm summer days, superior to Pepsi",
"You crack open the cold Fanta", "sweet, bubbly taste of superior oranges");
Food Cheeseburger = new Food(
"Cheeseburger", 150, 29, "A filling burger - perfect if you ever feel hungry",
"You unwrap the badboy", "filling taste of perfection"
);
Food Hotdog = new Food(
"Hotdog", 90, 25, "A spicy hotdog - perfect for lunch",
"You pour ketchup on it", "spicyness of the chili"
);
Food Pizza = new Food(
"Hawaii pizza", 300, 85, "a heavenly pizza - perfect ANYTIME of the day",
"You prepare your tastebuds", "godlike taste of an hawaiian pizza"
);
Snacks Twix = new Snacks(
"Twix", 62, 10, "A biscuity snack - perfect to eat infront of the tv or computer",
"You unwrap the paper", "wonderful caramel and chocolate melting together with the biscuit"
);
Snacks ChocolateBall = new Snacks(
"Chocolate ball", 65, 11, "A chocolaty snack - filled with hopes and dreams",
"You feel your mouth watering", "Chocolaty heaven in the form of a ball"
);
Snacks Mars = new Snacks(
"Mars", 65, 10, "A Marsbar - for when you feel a little special",
"You open the marsbar", "Chocolaty wonderfulness of the Mars"
);
ProductMenu productMenu = new ProductMenu();
Products.Clear();
Products.Add(CocaCola);
Products.Add(Pepsi);
Products.Add(Fanta);
Products.Add(Cheeseburger);
Products.Add(Hotdog);
Products.Add(Pizza);
Products.Add(Twix);
Products.Add(ChocolateBall);
Products.Add(Mars);
productMenu.Menu(change, Products, CocaCola, Pepsi, Fanta, Cheeseburger, Hotdog, Pizza, Twix, ChocolateBall, Mars);
}