using System;
using System.Configuration;

/// <summary>
/// This is a concrete, empty model for the buy state of the shop for you to implement
/// </summary>
public class BuyModel : ShopModel
{
    public BuyModel(float pPriceModifier, int pItemCount, int pMoney) : base(pPriceModifier, pItemCount, pMoney)
    {

    }

    // Rather than modifying the whole class, we just reuse the existing stuff but don't make it create any items.
    // This makes it less work to make proper functionality, without having to break any potential old functionality.
    // Additionally, saves us work having to rip out the inventory's own ability to generate items.
    public BuyModel(ShopObject pShopInitials) : this(pShopInitials.PriceModifier, 0, pShopInitials.Money)
    {
    }

    //------------------------------------------------------------------------------------------------------------------------
    //                                                 ConfirmSelectedItem()
    //------------------------------------------------------------------------------------------------------------------------        
    //Currently it just removes the selected item from the shop's inventory, rewrite this function and don't forget the unit test.

    public override void ConfirmSelectedItem()
    {
        OnRemove(GetSelectedItem());    // If there's a view subscribed, this will probably remove the item from it
        inventory.RemoveItemByIndex(selectedItemIndex);    // Before removing the item from the model's actual inventory
        SelectItemByIndex(selectedItemIndex >= inventory.GetItemCount() ? --selectedItemIndex : selectedItemIndex);
    }

}