using UnityEngine;
using UnityEngine.UI;
using System.Collections;
using System;
#if UNITY_EDITOR
using UnityEditor;
#endif

namespace MoreMountains.Tools
{
	/// <summary>
	/// An attribute to conditionnally hide fields based on the current selection in an enum.
	/// Usage :  [MMEnumCondition("rotationMode", (int)RotationMode.LookAtTarget, (int)RotationMode.RotateToAngles)]
	/// </summary>
	[AttributeUsage(AttributeTargets.Field | AttributeTargets.Property | AttributeTargets.Class | AttributeTargets.Struct, Inherited = true)]
	public class MMEnumConditionAttribute : PropertyAttribute
	{
		public string ConditionEnum = "";
		public bool Hidden = false;

		BitArray bitArray = new BitArray(32);
		public bool ContainsBitFlag(int enumValue)
		{
			return bitArray.Get(enumValue);
		}

		public MMEnumConditionAttribute(string conditionBoolean, params int[] enumValues)
		{
			this.ConditionEnum = conditionBoolean;
			this.Hidden = true;

			for (int i = 0; i < enumValues.Length; i++)
			{
				bitArray.Set(enumValues[i], true);
			}
		}
	}
}