// This file (UnitEquipmentNumericSelection.cs) is a part of the IBBoard.WarFoundry.API project and is copyright 2009 IBBoard
// 
// The file and the library/program it is in are licensed under the GNU LGPL license, either version 3 of the License or (at your option) any later version. Please see COPYING.LGPL for more information and the full license.

using System;

namespace IBBoard.WarFoundry.API.Objects
{	
	public class UnitEquipmentNumericSelection : AbstractUnitEquipmentItemSelection
	{	
		public UnitEquipmentNumericSelection(Unit unit, UnitEquipmentItem item, double amount) : base(unit, item, amount)
		{
		}
		
		public UnitEquipmentNumericSelection(Unit unit, UnitEquipmentItem item) : base(unit, item, item.MinNumber)
		{
		}
		
		public override double TotalCost
		{
			get
			{
				return CalculateAmount() * EquipmentItem.Cost;
			}
		}
					
		private double CalculateAmount()
		{
			return (AmountTaken == WarFoundryCore.INFINITY ? EquipmentForUnit.Size : AmountTaken);
		}
		
		protected override bool IsValidValue (double newValue)
		{
			return newValue == Math.Round(newValue);
		}
	}
}