using UnityEngine;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Xml;

public class Language
{
	public enum Enabled:int
    {
		ChineseSimplified = 0,
		English = 1,
		ChineseTraditional = 2,
    }

	public enum LangType
	{
		Public
	}

	public static string[] availableArr = new string[]{Enabled.ChineseSimplified.ToString(), Enabled.English.ToString(), Enabled.ChineseTraditional.ToString() };

	private static SystemLanguage defaultLan = SystemLanguage.English;
	public static XmlDocument xml;

	public static string lan = SystemLanguage.English.ToString();
    public static string lanForUI = SystemLanguage.English.ToString();

    public static void Initialize()
    {
        TextAsset textAsset = Bundle.Config.LoadAsset<TextAsset>("ChineseSimplified");

        xml = new XmlDocument();
        xml.LoadXml(textAsset.text);
    }

    public static void SwitchLanguage(Lan lan)
    {
        TextAsset textAsset = Bundle.Config.LoadAsset<TextAsset>(lan.ToString());

        xml = new XmlDocument();
        xml.LoadXml(textAsset.text);
    }

    //public static void Init(string lan)
    //{
    //    Debug.Log("Init Language " + lan);

    //    Language.lan = lan;

    //    string path = "XML/Language/";
    //    TextAsset textAsset = ResourcesUtil.GetInstance().GetTextAsset("XML/Language/" + lan);
    //    if (textAsset == null)
    //    {
    //        Debug.LogError("Can not find language use default " + defaultLan);
    //        textAsset = ResourcesUtil.GetInstance().GetTextAsset("XML/Language/" + defaultLan.ToString());
    //        Language.lan = defaultLan.ToString();
    //    }

    //    if (xml == null)
    //        xml = new XmlDocument();
    //    xml.LoadXml(text);
    //}

    public static bool initialized
	{
		get{
			return xml != null;
		}
	}

	public static void LoadFromResource()
	{
		//TextAsset textasset = ResourcesManager.Instance.LoadConfig("xml/lan", lan);
		xml = new XmlDocument ();
		//xml.LoadXml (textasset.text);
	}

	public static void Load(System.Action callBack)
	{
		//Language.lan = GetSpecifiedLang();
//		ResourcesManager.Instance.LoadAsset<TextAsset> ("xml/lan", lan, (objs) => {
//			if (objs != null && objs.Length > 0 && objs[0] != null) {
//				xml = new XmlDocument ();
//				xml.LoadXml ((objs[0] as TextAsset).text);
////				Debug.LogError("bundleLoad-->"+(objs[0] as TextAsset).text);
//			} else {
//				TextAsset textasset = ResourcesManager.Instance.LoadConfig("xml/lan", lan);
//				xml = new XmlDocument ();
//				xml.LoadXml (textasset.text);
////				Debug.LogError("resourceLoad-->"+(textasset.text));
//			} 
//			callBack();
//		});


//		AssetBundleLoader.Load(path, lan.ToString(), typeof(TextAsset), (object asset)=>{
//			xml = new XmlDocument();
//			xml.LoadXml((asset as TextAsset).text);
////			AssetBundleUtil.GetInstance().GetFont(AssetBundleUtil.Url.Font, lan.ToString(), (Font assetFont)=>{
////				font = assetFont;
////			});
//			font = ResourcesUtil.GetInstance().GetFont(ResourcesUtil.Url.Font, lan);
////			font = ResourcesUtil.GetInstance().GetFont(ResourcesUtil.Url.Font, Enabled.Chinese.ToString());
//			callBack();
//		}, true);
	}
	/// <summary>
	/// 替换字符获取新的字符串
	/// </summary>
	/// <param name="old">需要替换的字符串</param>
	/// <param name="_replace">替换的数组</param>
	/// <returns></returns>
	public static string GetReplacedText(string old, params System.Object[] _replace)
	{
		if (old == "" || old == null) return "";
		string replaceStr = old;
		int length = _replace.Length;
		for (int i = 0; i < length; i++)
		{
			replaceStr = replaceStr.Replace("_$" + i + "_", _replace[i].ToString());
		}
		return replaceStr;
	}

	public static string GetStr(string id,LangType type = LangType.Public)
	{
		return GetStr (type.ToString(),id);
	}
	
	public static string GetStr(string page, string id)
	{
		if(xml == null) 
		{
			Initialize();
        }

        try
		{
			XmlNode pageNode = xml.SelectSingleNode("lan/"+page);
			XmlNode node = pageNode.SelectSingleNode(id);
			if(node != null)
				return node.InnerText.Replace("\\n", "\n");
		}
		catch(Exception e)
		{
			Debug.LogException(e);
		}

		string error = "Topic missing page["+page+"] id["+id+"]";
		Debug.LogError(error);
		return error;
	}

	private static Font defaultFont;
	public static Font font; //todo Public改为private

    public static Font GetFont()
    {
		if (xml == null || font == null)
        {
			if(defaultFont == null)
			{
				Debug.LogError("Language not init");
                defaultFont = Font.CreateDynamicFontFromOSFont("Arial", 20);
            }
            return defaultFont;
        }
		return font;
        //return "Fonts/" + SystemLanguage.ChineseTraditional.ToString();
        //return "Fonts/" + SystemLanguage.Chinese.ToString();
    }

    public static Font GetFont(Enabled font)
    {
		return null;
        //return ResourcesUtil.GetInstance().GetFont(ResourcesUtil.Url.Font, font.ToString());
    }

    public static Font GetSystemFont()
    {
        return Font.CreateDynamicFontFromOSFont("Arial", 20);
    }

    public static Font GetNumberFont()
    {
		return null;
        //return ResourcesUtil.GetInstance().GetFont(ResourcesUtil.Url.Font, "Number");
    }

	public static string GetSpecifiedLang1()
    {
        string language = "";
        if (Application.systemLanguage.ToString() == SystemLanguage.ChineseSimplified.ToString())
            language = SystemLanguage.Chinese.ToString();
        else
            language = Application.systemLanguage.ToString();

        if (!isInEnabled(language))
            language = defaultLan.ToString();

#if UNITY_EDITOR || UNITY_STANDALONE
        language = SystemLanguage.English.ToString();
#endif

//		language = SystemLanguage.Chinese.ToString();
		language = SystemLanguage.English.ToString();

        return language;

    }

    private static bool isInEnabled(string value)
    {
        bool isIn = false;
        foreach (string name in Enum.GetNames(typeof(Enabled)))
        {
            if (value == name)
                return true;
        }
        return isIn;
    }

    public static bool IsLanguageInit()
    {
        return (xml == null) ? false : true;
    }

    public static string GetLanguagePath()
    {
        return "XML/lan/" + lan;
    }

}