private static void DisplayTotal(ItemRegister register)
{
Console.WriteLine("CashReg Currrent Total");
Console.WriteLine($"\t{register.UniqueItemCount()} Unique Items");
register.ListItems();
Console.WriteLine($"\nSubTotal: {String.Format("{0:0.00}", register.SubTotal())}\t Discount: {String.Format("{0:0.00}", register.TotalDiscount())}");
Console.WriteLine($"\nTotal: {String.Format("{0:0.00}", (register.SubTotal() - register.TotalDiscount()))}");
}
private static void ScanNewItem(ItemRegister register)
{
var itemConverter = new StringItemBaseConverter();
Console.Write("item > ");
var itemToAdd = itemConverter.Convert(Console.ReadLine());
if (itemToAdd == null)
{
Console.WriteLine($"Invalid input\n\t{SCAN_INPUT_FORMAT}");
return;
}
register.Add(itemToAdd);
Console.Write($@"Added {"" + ((itemToAdd.GetType() == typeof(QuantityItem)) ? ((QuantityItem)itemToAdd).quantity : ((WeightedItem)itemToAdd).weight)} {itemToAdd.name}@{itemToAdd.value}");
}
private static void ScanNewCoupon(ItemRegister register)
{
var couponConverter = new StringCouponBaseConverter();
Console.Write("coupon > ");
var couponLine = Console.ReadLine();
var couponToAdd = couponConverter.Convert(couponLine);
if (couponToAdd == null)
{
Console.WriteLine($"Invalid input\n\t{COUPON_INPUT_FORMAT}");
return;
}
register.ApplyDiscount(couponToAdd);
}
/// <summary>
/// This start the interpreter running and looking for input at the command line
/// </summary>
public void Run()
{
Console.WriteLine($"Welcome to CashReg type \"help\" to see more info");
var register = new ItemRegister();
while (true)
{
Console.Write($"{COMPACT_ACTIONS} ? ");
var action = Console.ReadLine();
switch (action.ToLower().Trim())
{
case "scan":
ScanNewItem(register);
break;
case "coupon":
ScanNewCoupon(register);
break;
case "help":
Console.WriteLine($"Please use any of [{COMPACT_ACTIONS}]\nYou'll be prompted for additional details if necessary");
break;
case "total":
DisplayTotal(register);
break;
case "exit":
Environment.Exit(0);
break;
default:
Console.WriteLine(UNSUPPORTED_ACTION);
break;
}
Console.WriteLine();
}
}