using UnityEngine;
using System.Collections;

/// <summary>
/// This component is responsible for detecting which definition of atlases and textures to use
/// It is partly an NGUI Atlas Resolution switch controller adapted from http://www.tasharen.com/forum/index.php?topic=832.0
/// and also a Unity quality setter (http://answers.unity3d.com/questions/28515/dynamically-choosing-a-high-resolution-texture-at.html)
/// Note that atlas textures need to be set as "GUI" as Texture Type. Otherwise the quality settings would scale them down.
/// </summary>
public class ResolutionSwitchController : MonoBehaviour
{

	public UIAtlas[] referenceAtlases;
	public UIFont[] referenceFonts;

	public bool disableInEditor = true;

	public int HDResolutionCutOff = 800;
	public int SHDResolutionCutOff = 1500;

	private static bool _isHD = false;
	private static bool _isSD = false;
	private static bool _isSHD = false;
	public static bool IsHD { get { return _isHD; } }
	public static bool IsSD { get { return _isSD; } }
	public static bool IsSHD { get { return _isSHD; } }

	void Awake()
	{
		NotificationCenter.AddListener(OnApplyAtlasBundle, NotificationType.ApplyAtlasBundle);

#if UNITY_WEBPLAYER
		_isHD = true;
#else
		if (disableInEditor && Application.isEditor)
		{
			return;
		}


		int screenWidth = Screen.width;
		AVDebug.Log("Screen resolution is "+Screen.width+"x"+Screen.height);
		//Debug.LogError("Screen resolution is " + Screen.width + "x" + Screen.height);
		//Set Quality Settings
		if (screenWidth >= SHDResolutionCutOff)
		{
			#if UNITY_ANDROID
			QualitySettings.SetQualityLevel(1);
			AVDebug.Log("Setting texture to SHD");
			_isSHD = true;
			#else
			QualitySettings.SetQualityLevel(2);
			AVDebug.Log("Setting texture to SHD");
			_isSHD = true;
			#endif

		}
		else
		if (screenWidth >= HDResolutionCutOff)
		{
        	QualitySettings.SetQualityLevel(1);
			AVDebug.Log("Setting texture to HD");
			_isHD = true;
		}
		else
		{

        	QualitySettings.SetQualityLevel(0);
			AVDebug.Log("Setting texture to SD");
			_isSD = true;
		}
#endif
	}

	void OnDestroy()
	{
		NotificationCenter.RemoveListener(OnApplyAtlasBundle, NotificationType.ApplyAtlasBundle);
	}

	void OnApplyAtlasBundle(Notification note)
	{
		AtlasBundle atlasBundle = (AtlasBundle)note.data;
		referenceAtlases[0].replacement = atlasBundle.atlasPrefab;
		//Note: the following order is extremely important. It is dependent on how they are dragged in the component in Unity Editor in referenceFonts variable
		referenceFonts[0].replacement = atlasBundle.buttonFontPrefab;
		referenceFonts[1].replacement = atlasBundle.textFontPrefab;
		referenceFonts[2].replacement = atlasBundle.scoreFontPrefab;
	}
}