public void Buy(int itemNumber)
{
if (itemNumber >= Items.Count || itemNumber < 0)
{
Console.WriteLine($"Item number does not exist!");
return;
}
IItem item = Items[itemNumber];
if (Hero.Gold >= item.OriginalValue)
{
Hero.Gold -= item.OriginalValue;
Hero.AddItem(item);
Console.WriteLine($"You bought {item.Name} for {item.OriginalValue} gold.");
}
else
{
Console.WriteLine($"Insufficient gold!");
}
}