//  This file (AddEquipmentUIControl.cs) is a part of the IBBoard.WarFoundry.GUI.GTK project and is copyright 2010 IBBoard
// 
// The file and the library/program it is in are licensed and distributed, without warranty, under the GNU Affero GPL license, either version 3 of the License or (at your option) any later version. Please see COPYING for more information and the full license.

using IBBoard.Commands;
using IBBoard.WarFoundry.API.Commands;
using IBBoard.WarFoundry.API.Objects;
using IBBoard.WarFoundry.API.Util;
using IBBoard.WarFoundry.GUI.GTK.UIControl.Interfaces;
using CustomMath = IBBoard.CustomMath;

namespace IBBoard.WarFoundry.GUI.GTK.UIControl
{
	public class AddEquipmentUIControl : AbstractBaseEquipmentUIControl<IAddEquipmentUI>
	{		
		public AddEquipmentUIControl(Unit unit, CommandStack commandStack) : base(unit, commandStack)
		{
			//Do nothing extra
		}

		//TODO Make abstract

		protected override IAddEquipmentUI CreateEquipmentUI()
		{
			return new FrmAddEquipment();
		}

		protected override void CompleteUISetup()
		{
			ui.SetUnitEquipmentItems(GetEquipmentItems(unit));
			ui.UnitEquipmentItemChoiceChanged += HandleUiUnitEquipmentItemChoiceChanged;
		}

		public static UnitEquipmentItem[] GetEquipmentItems(Unit unit)
		{
			return Arrays.Subtract(UnitEquipmentUtil.GetAllowedEquipmentItems(unit), unit.GetEquipment());
		}

		public static bool HasEquipmentToAdd(Unit unit)
		{
			return GetEquipmentItems(unit).Length > 0;
		}

		private void HandleUiUnitEquipmentItemChoiceChanged(UnitEquipmentItem equip)
		{
			equipItem = equip;
			SetUnitEquipmentLimits(equip);
		}

		protected override void DoProcessing()
		{
			if (isRatioAmount)
			{
				commandStack.Execute(new SetUnitEquipmentRatioAmountCommand(unit, equipItem, equipmentAmount));
			}
			else
			{
				commandStack.Execute(new SetUnitEquipmentNumericAmountCommand(unit, equipItem, (int)equipmentAmount));
			}
		}
	}
}