using UnityEngine;
using System.Collections;

[RequireComponent(typeof(PoolObject))]
public class SceneryProp : MonoBehaviour
{

	public float minXScale = 1;
	public float maxXScale = 1;
	public float minYScale = 1;
	public float maxYScale = 1;
	public float minRotation = 0;
	public float maxRotation = 0;
	public float yOffset;

	Vector3 _originalScale;
	Vector3 _originalPosition;
	protected Transform _transform;

	private float _minX;
	private float _maxX;
	public float MinX { get { return _minX; } }
	public float MaxX { get { return _maxX; } }

	PoolObject _poolObject;

	protected virtual void Awake()
	{
		_transform = transform;
		_originalScale = _transform.localScale;
		_originalPosition = _transform.localPosition;
		_poolObject = GetComponent<PoolObject>();
	}

	protected virtual void OnSpawnMsg()
	{
		Vector3 scale = _originalScale;
		scale *= AspectRatioFixer.ScaleChange;
		scale.x *= Random.Range(minXScale, maxXScale);
		scale.y *= Random.Range(minYScale, maxYScale);
		_transform.localScale = scale;
		_transform.localRotation = Quaternion.Euler(0, 0, Random.Range(minRotation, maxRotation));
		_transform.localPosition = _originalPosition;

		AVDebug.Assert(_originalPosition.x == 0 && _originalPosition.y == 0, "Prefab position of Scenery is not at x/y 0,0 - " + name);
		UITexture[] textures = GetComponentsInChildren<UITexture>();
        
        AVDebug.Assert(textures != null && textures.Length > 0, "There must be UITextures in ScenerProp "+name);
		_minX = float.MaxValue;
		_maxX = float.MinValue;
		foreach (UITexture t in textures)
		{
		    var tex= t.mainTexture;
		    t.material = MenuManager._instance.mat;
		   

		    t.shader = Shader.Find("Unlit/Transparent Colored");
            t.mainTexture = tex;
            Vector3[] corners = NGUIMath.CalculateWidgetCorners(t);
			foreach (Vector3 v in corners)
			{
				if (v.x < _minX)
				{
					_minX = v.x;
				}
				if (v.x > _maxX)
				{
					_maxX = v.x;
				}
			}
		}

		_transform.localPosition += new Vector3(0, yOffset);
	}

	public void Despawn()
	{
		_poolObject.Despawn();
	}
}