// This file (UnitEquipmentNumericForRatioSelection.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 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 System;
using IBBoard.CustomMath;

namespace IBBoard.WarFoundry.API.Objects
{
	/// <summary>
	/// An object to hold the selection of a unit's equipment where the selection was made as an absolute number and the
	/// equipment item has a ratio limit
	/// </summary>
	public class UnitEquipmentNumericForRatioSelection : UnitEquipmentNumericSelection
	{
		public UnitEquipmentNumericForRatioSelection(Unit unit, UnitEquipmentItem item, double amount) : base(unit, item, amount)
		{
		}
		
		public UnitEquipmentNumericForRatioSelection(Unit unit, UnitEquipmentItem item) : base(unit, item, IBBMath.Round(unit.Size * item.MinPercentage, item.RoundNumberUp))
		{
		}
		
		protected override bool IsInRange (double newValue)
		{
			int minLimit = (int) IBBMath.Round(EquipmentForUnit.Size * EquipmentItem.MinPercentage / 100, EquipmentItem.RoundNumberUp);
			int maxLimit = (int) IBBMath.Round(EquipmentForUnit.Size * EquipmentItem.MaxPercentage / 100, EquipmentItem.RoundNumberUp);
			newValue = (newValue == WarFoundryCore.INFINITY ? EquipmentForUnit.Size : newValue);
			bool isInRange = (minLimit <= newValue) && (newValue <= maxLimit);
			return isInRange && IsWholeNumber(newValue);
		}
	}
}