using UnityEngine;
using UnityEngine.Serialization;
using System.Collections;

namespace Fungus
{
	[CommandInfo("iTween", 
	             "Move From", 
	             "Moves a game object from a specified position back to its starting position over time. The position can be defined by a transform in another object (using To Transform) or by setting an absolute position (using To Position, if To Transform is set to None).")]
	[AddComponentMenu("")]
	public class MoveFrom : iTweenCommand, ISerializationCallbackReceiver 
	{
		#region Obsolete Properties
		[HideInInspector] [FormerlySerializedAs("fromTransform")] public Transform fromTransformOLD;
		[HideInInspector] [FormerlySerializedAs("fromPosition")] public Vector3 fromPositionOLD;
		#endregion

		[Tooltip("Target transform that the GameObject will move from")]
		public TransformData _fromTransform;

		[Tooltip("Target world position that the GameObject will move from, if no From Transform is set")]
		public Vector3Data _fromPosition;

		[Tooltip("Whether to animate in world space or relative to the parent. False by default.")]
		public bool isLocal;

		public override void DoTween()
		{
			Hashtable tweenParams = new Hashtable();
			tweenParams.Add("name", _tweenName.Value);
			if (_fromTransform.Value == null)
			{
				tweenParams.Add("position", _fromPosition.Value);
			}
			else
			{
				tweenParams.Add("position", _fromTransform.Value);
			}
			tweenParams.Add("time", duration);
			tweenParams.Add("easetype", easeType);
			tweenParams.Add("looptype", loopType);
			tweenParams.Add("isLocal", isLocal);
			tweenParams.Add("oncomplete", "OniTweenComplete");
			tweenParams.Add("oncompletetarget", gameObject);
			tweenParams.Add("oncompleteparams", this);
			iTween.MoveFrom(_targetObject.Value, tweenParams);
		}

		//
		// ISerializationCallbackReceiver implementation
		//

		public void OnBeforeSerialize()
		{}

		public void OnAfterDeserialize()
		{
			if (fromTransformOLD != null)
			{
				_fromTransform.Value = fromTransformOLD;
				fromTransformOLD = null;
			}

			if (fromPositionOLD != default(Vector3))
			{
				_fromPosition.Value = fromPositionOLD;
				fromPositionOLD = default(Vector3);
			}
		}
	}

}