public string ServeCustomer(StockController controller)
{
Thread.Sleep(Rnd.NextInt(5));
TShirt shirt = TShirtProvider.SelectRandomShirt();
string code = shirt.Code;
//assuming customer will always buy/sell a shirt
bool custSells = Rnd.TrueWithProb(1.0 / 6.0); //customer want to sell a shirt 1/6th of the time
if (custSells)
{
int quantity = Rnd.NextInt(9) + 1;
controller.BuyShirts(code, quantity);
return($"Bought {quantity} of {shirt}");
}
else
{
bool success = controller.TrySellShirt(code);
if (success)
{
return($"Sold {shirt}");
}
else
{
return($"Couldn't sell {shirt}: Out of stock");
}
}
}
public static TShirt SelectRandomShirt()
{
int selectedIndex = Rnd.NextInt(AllShirts.Length);
return(AllShirts[selectedIndex]);
}