static void Main(string[] args)
{
CheckItems();
DisplayMachine();
int caseSwitch = 0;
string exception = null;
bool choose = true;
while (choose)
{
Console.WriteLine("\nSelect one item: ");
try { caseSwitch = Convert.ToByte(Console.ReadLine()); }
catch (System.Exception exc) { exception = exc.ToString(); }
while (exception != null)
{
exception = null;
Console.WriteLine("Invalid input");
try { caseSwitch = Convert.ToByte(Console.ReadLine()); }
catch (System.Exception exc) { exception = exc.ToString(); }
}
while (caseSwitch <= 0)
{
Console.WriteLine("\nSelect an item: ");
try { caseSwitch = Convert.ToByte(Console.ReadLine()); }
catch (System.Exception) { }
}
switch (caseSwitch)
{
case 1:
{
VendingItem item = new VendingItem();
foreach (VendingItem vItem in Items)
{
if (vItem._item == "Pepsi")
{
if (ItemSelect(vItem) == false)
{
choose = false;
}
break;
}
}
break;
}
case 2:
{
VendingItem item = new VendingItem();
foreach (VendingItem vItem in Items)
{
if (vItem._item == "Diet Pepsi")
{
if (ItemSelect(vItem) == false)
{
choose = false;
}
break;
}
}
break;
}
case 3:
{
VendingItem item = new VendingItem();
foreach (VendingItem vItem in Items)
{
if (vItem._item == "Coke")
{
if (ItemSelect(vItem) == false)
{
choose = false;
}
break;
}
}
break;
}
case 4:
{
VendingItem item = new VendingItem();
foreach (VendingItem vItem in Items)
{
if (vItem._item == "Diet Coke")
{
if (ItemSelect(vItem) == false)
{
choose = false;
}
break;
}
}
break;
}
case 5:
{
VendingItem item = new VendingItem();
foreach (VendingItem vItem in Items)
{
if (vItem._item == "Kit-Kat")
{
if (ItemSelect(vItem) == false)
{
choose = false;
}
break;
}
}
break;
}
case 6:
{
VendingItem item = new VendingItem();
foreach (VendingItem vItem in Items)
{
if (vItem._item == "Twix")
{
if (ItemSelect(vItem) == false)
{
choose = false;
}
break;
}
}
break;
}
case 7:
{
VendingItem item = new VendingItem();
foreach (VendingItem vItem in Items)
{
if (vItem._item == "Lays Potato Chips")
{
if (ItemSelect(vItem) == false)
{
choose = false;
}
break;
}
}
break;
}
case 8:
{
VendingItem item = new VendingItem();
foreach (VendingItem vItem in Items)
{
if (vItem._item == "Cheetos")
{
if (ItemSelect(vItem) == false)
{
choose = false;
}
break;
}
}
break;
}
}
}
}
static bool ItemSelect(VendingItem item)
{
if (item._quantity == 0)
{
Console.WriteLine("This product is out of stock!");
return(true);
}
double paidAmount = 0, partialPay = 0;
int quantity = 0, finalChoice = 0;
string testInput = null;
string exception = null;
Console.WriteLine("You choose " + item._item + "\nQuantity: ");
try { quantity = Convert.ToInt32(Console.ReadLine()); }
catch (System.Exception exc) { exception = exc.ToString(); }
while (exception != null)
{
Console.WriteLine("Invalid input\nQuantity:");
exception = null;
try { quantity = Convert.ToInt32(Console.ReadLine()); }
catch (System.Exception exc) { exception = exc.ToString(); }
}
if (quantity <= 0 || quantity > item._quantity)
{
Console.WriteLine("The quantity is not avalaible!");
return(true);
}
Console.WriteLine("You choose " + quantity + " " + item._item + "\nMake Payment: (" + quantity * item._price + "$)");
while (paidAmount < quantity * item._price)
{
try { partialPay = Convert.ToDouble(Console.ReadLine()); }
catch (System.Exception exc) { exception = exc.ToString(); }
while (exception != null)
{
Console.WriteLine("Invalid input\nAmount due: " + Math.Round((quantity * item._price - paidAmount), 2) + "$");
exception = null;
try { partialPay = Convert.ToDouble(Console.ReadLine()); }
catch (System.Exception exc) { exception = exc.ToString(); }
}
testInput = Convert.ToString(partialPay);
while (partialPay < 0.01 || partialPay > 10 || testInput.Count() > 4)
{
if (partialPay < 0.01)
{
Console.WriteLine("You cannot pay less than 0.01$");
}
else if (partialPay > 10)
{
Console.WriteLine("You cannot pay over than 10$");
}
else
{
Console.WriteLine("Invalid input\nAmount due: " + Math.Round((quantity * item._price - paidAmount), 2) + "$");//
}
try { partialPay = Convert.ToDouble(Console.ReadLine()); }
catch (System.Exception exc) { exception = exc.ToString(); }
while (exception != null)
{
Console.WriteLine("Invalid input\nMake Payment: " + Math.Round((quantity * item._price - paidAmount), 2) + "$");//
exception = null;
try { partialPay = Convert.ToDouble(Console.ReadLine()); }
catch (System.Exception exc) { exception = exc.ToString(); }
}
testInput = Convert.ToString(partialPay);
}
paidAmount += partialPay;
if (paidAmount < quantity * item._price)
{
Console.WriteLine("Amount due: " + Math.Round((quantity * item._price - paidAmount), 2) + "$");
}
}
Console.Clear();
Console.WriteLine("You bought " + quantity + " " + item._item + " for " + quantity * item._price + "$");
item.ReduceInventory(quantity);
if (paidAmount > quantity * item._price)
{
Console.WriteLine("Your change is " + Math.Round((paidAmount - quantity * item._price), 2) + "$ (out of " + paidAmount + "$)");
}
Console.WriteLine("\nPress 1 if you want to buy something else");
Console.WriteLine("or press 2 for exit.");
try { finalChoice = Convert.ToInt32(Console.ReadLine()); }
catch (System.Exception exc) { exception = exc.ToString(); }
while (exception != null)
{
exception = null;
Console.WriteLine("Invalid input");
Console.WriteLine("\nPress 1 if you want to buy something else");
Console.WriteLine("or press 2 for exit.");
try { int choice = Convert.ToInt32(Console.ReadLine()); }
catch (System.Exception exc) { exception = exc.ToString(); }
}
if (finalChoice == 1)
{
Console.Clear();
CheckItems();
DisplayMachine();
return(true);
}
return(false);
}
static void CheckItems() //FillMachine
{
Items = VendingItem.ReadVendingItems("Items.txt");
}