﻿// (c) Copyright HutongGames, LLC 2010-2015. All rights reserved.
//--- __ECO__ __PLAYMAKER__ __ACTION__ ---//

using UnityEngine;

namespace HutongGames.PlayMaker.Actions
{
	[ActionCategory("uGui")]
	[Tooltip("Sets the Color Block of a Selectable Ugui component. Modifications will not be visible if transition is not ColorTint")]
	public class uGuiSetColorBlock : FsmStateAction
	{
		[RequiredField]
		[CheckForComponent(typeof(UnityEngine.UI.Selectable))]
		[Tooltip("The GameObject with the Selectable ui component.")]
		public FsmOwnerDefault gameObject;

		[Tooltip("The fade duration value. Leave to none for no effect")]
		public FsmFloat fadeDuration;

		[Tooltip("The color multiplier value. Leave to none for no effect")]
		public FsmFloat colorMultiplier;
	
		[Tooltip("The normal color value. Leave to none for no effect")]
		public FsmColor normalColor;

		[Tooltip("The pressed color value. Leave to none for no effect")]
		public FsmColor pressedColor;

		[Tooltip("The highlighted color value. Leave to none for no effect")]
		public FsmColor highlightedColor;

		[Tooltip("The disabled color value. Leave to none for no effect")]
		public FsmColor disabledColor;

		
		[Tooltip("Reset when exiting this state.")]
		public FsmBool resetOnExit;

		[Tooltip("Repeats every frame, useful for animation")]
		public bool everyFrame;
		
		UnityEngine.UI.Selectable _selectable;
		UnityEngine.UI.ColorBlock _colorBlock;
		UnityEngine.UI.ColorBlock _originalColorBlock;
		
		
		public override void Reset()
		{
			gameObject = null;

			fadeDuration = new FsmFloat(){UseVariable=true};
			colorMultiplier = new FsmFloat(){UseVariable=true};
			normalColor = new FsmColor(){UseVariable=true};
			highlightedColor = new FsmColor(){UseVariable=true};
			pressedColor = new FsmColor(){UseVariable=true};
			disabledColor = new FsmColor(){UseVariable=true};
			
			resetOnExit = null;
			everyFrame = false;
		}
		
		public override void OnEnter()
		{
			GameObject _go = Fsm.GetOwnerDefaultTarget(gameObject);
			if (_go!=null)
			{
				_selectable = _go.GetComponent<UnityEngine.UI.Selectable>();
			}

			if (_selectable!=null && resetOnExit.Value)
			{
				_originalColorBlock = _selectable.colors;
			}

			DoSetValue();

			if (!everyFrame)
			{
				Finish();
			}
		}

		public override void OnUpdate()
		{
			DoSetValue();
		}

		void DoSetValue()
		{
			if (_selectable==null)
			{
				return;
			}

			_colorBlock = _selectable.colors;
			if (!colorMultiplier.IsNone)
			{
				_colorBlock.colorMultiplier = colorMultiplier.Value;
			}
			if (!fadeDuration.IsNone)
			{
				_colorBlock.fadeDuration = fadeDuration.Value;
			}
			if (!normalColor.IsNone)
			{
				_colorBlock.normalColor = normalColor.Value;
			}
			if (!pressedColor.IsNone)
			{
				_colorBlock.pressedColor = pressedColor.Value;
			}
			if (!highlightedColor.IsNone)
			{
				_colorBlock.highlightedColor = highlightedColor.Value;
			}
			if (!disabledColor.IsNone)
			{
				_colorBlock.disabledColor = disabledColor.Value;
			}

			_selectable.colors = _colorBlock;
		}
		
		public override void OnExit()
		{
			if (_selectable==null)
			{
				return;
			}
			
			if (resetOnExit.Value)
			{
				_selectable.colors = _originalColorBlock;
			}
		}
		
		
	}
}