/*
 *
 *	Adventure Creator
 *	by Chris Burton, 2013-2014
 *	
 *	"MenuTimer.cs"
 * 
 *	This MenuElement can be used in conjunction with MenuDialogList to create
 *	timed conversations, "Walking Dead"-style.
 * 
 */

using UnityEngine;
using AC;

#if UNITY_EDITOR
using UnityEditor;
#endif

public class MenuTimer : MenuElement
{
	
	public Texture2D timerTexture;
	
	
	public override void Declare ()
	{
		isVisible = true;
		isClickable = false;
		numSlots = 1;
		SetSize (new Vector2 (20f, 5f));
		
		base.Declare ();
	}
	
	
	public void CopyTimer (MenuTimer _element)
	{
		timerTexture = _element.timerTexture;
		
		base.Copy (_element);
	}
	
	
	#if UNITY_EDITOR
	
	public override void ShowGUI ()
	{
		EditorGUILayout.BeginVertical ("Button");
			EditorGUILayout.BeginHorizontal ();
				EditorGUILayout.LabelField ("Timer texture:", GUILayout.Width (145f));
				timerTexture = (Texture2D) EditorGUILayout.ObjectField (timerTexture, typeof (Texture2D), false, GUILayout.Width (70f), GUILayout.Height (30f));
			EditorGUILayout.EndHorizontal ();
		EditorGUILayout.EndVertical ();
		EndGUI ();
	}
	
	#endif
	
	
	public override void Display (GUIStyle _style, int _slot, float zoom)
	{
		if (timerTexture)
		{
			if (Application.isPlaying)
			{
				if (GameObject.FindWithTag (Tags.gameEngine) && GameObject.FindWithTag (Tags.gameEngine).GetComponent <PlayerInput>())
				{
					PlayerInput playerInput = GameObject.FindWithTag (Tags.gameEngine).GetComponent <PlayerInput>();
				
					if (playerInput.activeConversation && playerInput.activeConversation.isTimed)
					{
						Rect timerRect = relativeRect;
						timerRect.width = slotSize.x / 100f * AdvGame.GetMainGameViewSize().x * playerInput.activeConversation.GetTimeRemaining ();
						GUI.DrawTexture (ZoomRect (timerRect, zoom), timerTexture, ScaleMode.StretchToFill, true, 0f);
					}
				}
			}
			else
			{
				GUI.DrawTexture (ZoomRect (relativeRect, zoom), timerTexture, ScaleMode.StretchToFill, true, 0f);
			}
		}
		
		base.Display (_style, _slot, zoom);
	}

}