// ----------------------------------------
//
//  BuglyAgent.cs
//
//  Author:
//       Yeelik, <bugly@tencent.com>
//
//  Copyright (c) 2015 Bugly, Tencent. All rights reserved.
//
// ----------------------------------------
//
using UnityEngine;

using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Reflection;
using System.Text;
using System.Text.RegularExpressions;

using System.Runtime.InteropServices;

// We dont use the LogType enum in Unity as the numerical order doesnt suit our purposes
/// <summary>
/// Log severity. 
/// { Log, LogDebug, LogInfo, LogWarning, LogAssert, LogError, LogException }
/// </summary>
public enum LogSeverity
{
	Log,
	LogDebug,
	LogInfo,
	LogWarning,
	LogAssert,
	LogError,
	LogException
}

/// <summary>
/// Bugly agent.
/// </summary>
public sealed class BuglyAgent
{
	/// <summary>
	/// The SDK package name, default is 'com.tencent.bugly'
	/// </summary>
	private const string SDK_PACKAGE = "com.tencent.bugly.msdk";
    private const int SDK_TYPE = 2; // Default=0,Bugly=1,MSDK=2
    private const int SDK_LOG_LEVEL = 2; // Off=0,Error=1,Warn=2,Info=3,Debug=4

	// Define delegate support multicasting to replace the 'Application.LogCallback'
	public delegate void LogCallbackDelegate (string condition,string stackTrace,LogType type);

	/// <summary>
	/// Init sdk with the specified appId. 
	/// <para>This will initialize sdk to report native exception such as obj-c, c/c++, java exceptions, and also enable c# exception handler to report c# exception logs</para>
	/// </summary>
	/// <param name="appId">App identifier.</param>
	public static void InitWithAppId (string appId)
	{
		if (IsInitialized) {
			DebugLog (null, "BuglyAgent has already been initialized.");

			return;
		}

		if (string.IsNullOrEmpty (appId)) {
			return;
		}

		// init the sdk with app id
		InitBuglyAgent (appId);
        DebugLog (null, "Initialized with app id: {0}", appId);

		// Register the LogCallbackHandler by Application.RegisterLogCallback(Application.LogCallback)
		_RegisterExceptionHandler ();
	}
	
	/// <summary>
	/// Only Enable the C# exception handler. 
	/// 
	/// <para>
	/// You can call it when you do not call the 'InitWithAppId(string)', but you must make sure initialized the sdk in elsewhere, 
	/// such as the native code in associated Android or iOS project.
	/// </para>
	/// 
	/// <para>
	/// Default Level is <c>LogError</c>, so the LogError, LogException will auto report.
	/// </para>
	/// 
	/// <para>
	/// You can call the method <code>BuglyAgent.ConfigAutoReportLogLevel(LogSeverity)</code>
	/// to change the level to auto report if you known what are you doing.
	/// </para>
	/// 
	/// </summary>
	public static void EnableExceptionHandler ()
	{
		if (IsInitialized) {
			DebugLog (null, "BuglyAgent has already been initialized.");
			return;
		}

        DebugLog (null, "Only enable the exception handler, please make sure you has initialized the sdk in the native code in associated Android or iOS project.");

		// Register the LogCallbackHandler by Application.RegisterLogCallback(Application.LogCallback)
		_RegisterExceptionHandler ();
	}

	/// <summary>
	/// Registers the log callback handler. 
	/// 
	/// If you need register logcallback using Application.RegisterLogCallback(LogCallback),
	/// you can call this method to replace it.
	/// 
	/// <para></para>
	/// </summary>
	/// <param name="handler">Handler.</param>
	public static void RegisterLogCallback (LogCallbackDelegate handler)
	{
		if (handler != null) {
            DebugLog (null, "Add log callback handler: {0}", handler);

			_LogCallbackEventHandler += handler;
		}
	}

    /// <summary>
    /// Sets the log callback extras handler.
    /// </summary>
    /// <param name="handler">Handler.</param>
	public static void SetLogCallbackExtrasHandler(Func<Dictionary<string, string>> handler){
		if (handler != null) {
			_LogCallbackExtrasHandler = handler;

            DebugLog(null, "Add log callback extra data handler : {0}", handler);
		}
	}
	
	/// <summary>
	/// Reports the exception.
	/// </summary>
	/// <param name="e">E.</param>
	/// <param name="message">Message.</param>
	public static void ReportException (System.Exception e, string message)
	{
		if (!IsInitialized) {
			return;
		}
		
		DebugLog (null, "Report exception: {0}\n------------\n{1}\n------------", message, e);
		
		_HandleException (e, message, false);
	}
	
	/// <summary>
	/// Reports the exception.
	/// </summary>
	/// <param name="name">Name.</param>
	/// <param name="message">Message.</param>
	/// <param name="stackTrace">Stack trace.</param>
	public static void ReportException (string name, string message, string stackTrace)
	{
		if (!IsInitialized) {
			return;
		}
		
		DebugLog (null, "Report exception: {0} {1} \n{2}", name, message, stackTrace);
		
		_HandleException (LogSeverity.LogException, name, message, stackTrace, false);
	}

	/// <summary>
	/// Unregisters the log callback.
	/// </summary>
	/// <param name="handler">Handler.</param>
	public static void UnregisterLogCallback (LogCallbackDelegate handler)
	{
		if (handler != null) {
			DebugLog (null, "Remove log callback handler");

			_LogCallbackEventHandler -= handler;
		}
	}

	/// <summary>
	/// Sets the user identifier.
	/// </summary>
	/// <param name="userId">User identifier.</param>
	public static void SetUserId (string userId)
	{
		if (!IsInitialized) {
			return;
		}
		DebugLog (null, "Set user id: {0}", userId);

		SetUserInfo (userId);
	}

	/// <summary>
	/// Sets the scene.
	/// </summary>
	/// <param name="sceneId">Scene identifier.</param>
	public static void SetScene (int sceneId)
	{
		if (!IsInitialized) {
			return;
		}
		DebugLog (null, "Set scene: {0}", sceneId);

		SetCurrentScene (sceneId);
	}

	/// <summary>
	/// Adds the scene data.
	/// </summary>
	/// <param name="key">Key.</param>
	/// <param name="value">Value.</param>
	public static void AddSceneData (string key, string value)
	{
		if (!IsInitialized) {
			return;
		}

		DebugLog (null, "Add scene data: [{0}, {1}]", key, value);

		AddKeyAndValueInScene (key, value);
	}

	/// <summary>
	/// Configs the debug mode.
	/// </summary>
	/// <param name="enable">If set to <c>true</c> debug mode.</param>
	public static void ConfigDebugMode (bool enable)
	{
		EnableDebugMode (enable);
        DebugLog (null, "{0} the log message print to console", enable ? "Enable" : "Disable");
	}
	
	/// <summary>
	/// Configs the auto quit application.
	/// </summary>
	/// <param name="autoQuit">If set to <c>true</c> auto quit.</param>
	public static void ConfigAutoQuitApplication (bool autoQuit)
	{
		_autoQuitApplicationAfterReport = autoQuit;
	}
	
	/// <summary>
	/// Configs the auto report log level. Default is LogSeverity.LogError.
	/// <example>
	/// LogSeverity { Log, LogDebug, LogInfo, LogWarning, LogAssert, LogError, LogException }
	/// </example>
	/// </summary>
	/// 
	/// <param name="level">Level.</param> 
	public static void ConfigAutoReportLogLevel (LogSeverity level)
	{
		_autoReportLogLevel = level;
	}
	
	/// <summary>
	/// Configs the default.
	/// </summary>
	/// <param name="channel">Channel.</param>
	/// <param name="version">Version.</param>
	/// <param name="user">User.</param>
	/// <param name="delay">Delay.</param>
	public static void ConfigDefault (string channel, string version, string user, long delay)
	{
        DebugLog (null, "Config default channel:{0}, version:{1}, user:{2}, delay:{3}", channel, version, user, delay);
		ConfigDefaultBeforeInit (channel, version, user, delay);
	}

	/// <summary>
	/// Logs the debug.
	/// </summary>
	/// <param name="tag">Tag.</param>
	/// <param name="format">Format.</param>
	/// <param name="args">Arguments.</param>
	public static void DebugLog (string tag, string format, params object[] args)
	{
		if (string.IsNullOrEmpty (format)) {
			return;
		}

        if(!_debugMode) {
            return;
        }
		
		Console.WriteLine ("[BuglyAgent] <Debug> - {0} : {1}", tag, string.Format (format, args));
	}

	/// <summary>
	/// Prints the log.
	/// </summary>
	/// <param name="level">Level.</param>
	/// <param name="format">Format.</param>
	/// <param name="args">Arguments.</param>
	public static void PrintLog (LogSeverity level, string format, params object[] args)
	{
		if (string.IsNullOrEmpty (format)) {
			return;
		}

		LogToConsole (level, string.Format (format, args));
	}
	
#if UNITY_EDITOR || UNITY_STANDALONE

	#region Interface(Empty) in Editor 
    private static void InitBuglyAgent (string appId)
	{
	}

	private static void ConfigDefaultBeforeInit(string channel, string version, string user, long delay){
	}

	private static void EnableDebugMode(bool enable){
	}

	private static void SetUserInfo(string userInfo){
	}
	
	private static void ReportException (int type,string name, string message, string stackTrace, bool quitProgram)
	{
	}
	
	private static void SetCurrentScene(int sceneId) {
	}
	
	private static void AddKeyAndValueInScene(string key, string value){
	}

	private static void AddExtraDataWithException(string key, string value) {
		// only impl for iOS
	}

	private static void LogToConsole(LogSeverity level, string message){
	}
    
    private static void SetUnityVersion(){

    }
	#endregion

#elif UNITY_ANDROID
//	#if UNITY_ANDROID

	#region Interface for Android
	private static readonly string CLASS_UNITYAGENT = "com.tencent.bugly.unity.UnityAgent";

	private static AndroidJavaObject _unityAgent;

	public static AndroidJavaObject UnityAgent {
	
		get {
			if (_unityAgent == null) {
				using (AndroidJavaClass clazz = new AndroidJavaClass(CLASS_UNITYAGENT)) {
					_unityAgent = clazz.CallStatic<AndroidJavaObject> ("getInstance");
				}
			}
			return _unityAgent;
		}

	}

	private static string _configChannel;
	private static string _configVersion;
	private static string _configUser;
	private static long _configDelayTime;

	private static void ConfigDefaultBeforeInit(string channel, string version, string user, long delay){
		_configChannel = channel;
		_configVersion = version;
		_configUser = user;
		_configDelayTime = delay;
	}

    private static void InitBuglyAgent(string appId)
	{
		if (IsInitialized) {
			return;
		}

		try {
			UnityAgent.Call("setSDKPackagePrefixName", SDK_PACKAGE);
		} catch {
		
		}

		try {

			UnityAgent.Call("initWithConfiguration", appId, _configChannel, _configVersion, _configUser, _configDelayTime);

			_isInitialized = true;
		} catch {

		}
	}

	private static void EnableDebugMode(bool enable){
		_debugMode = enable;

		try {
			UnityAgent.Call ("setLogEnable", enable);
		} catch {

		}
	}

	private static void SetUserInfo(string userInfo){

		try {
			UnityAgent.Call ("setUserId", userInfo);
		} catch {
		}
	}

	private static void ReportException (int type, string name, string reason, string stackTrace, bool quitProgram)
	{
		try {
			UnityAgent.Call ("traceException", name, reason, stackTrace, quitProgram);
		} catch {

		}
	}
	
	private static void SetCurrentScene(int sceneId) {
		try {
			UnityAgent.Call ("setScene", sceneId);
		} catch {
			
		}
	}
    
    private static void SetUnityVersion(){
        try {
            UnityAgent.Call ("setSdkConfig","UnityVersion", Application.unityVersion);
        } catch {
            
        }
    }

	private static void AddKeyAndValueInScene(string key, string value){
		try {
			UnityAgent.Call ("addSceneValue", key, value);
		} catch {
			
		}
	}

	private static void AddExtraDataWithException(string key, string value) {
		// no impl
	}

	private static void LogToConsole(LogSeverity level, string message){
	
		if (!_debugMode && LogSeverity.Log != level) {
            if (level < LogSeverity.LogWarning) {
				return;
			}
		}

		try {
//			UnityAgent.Call ("printLog", string.Format ("<{0}> - {1}", level.ToString (), message));
		} catch {
			
		}
	}

	#endregion

#elif UNITY_IPHONE || UNITY_IOS

	#region Interface for iOS

    private static bool _crashReporterTypeConfiged = false;
    
    private static void ConfigCrashReporterType(){
        if (!_crashReporterTypeConfiged) {
            try {
                _BuglyConfigCrashReporterType(SDK_TYPE); // MSDK
            } catch {
                
            }
        }
    }


	private static void ConfigDefaultBeforeInit(string channel, string version, string user, long delay){

		try {
            ConfigCrashReporterType();

            _BuglyDefaultConfig(channel, version, user, null);
		} catch {

		}
	}
	
	private static void EnableDebugMode(bool enable){
		_debugMode = enable;

	}

    private static void InitBuglyAgent (string appId)
	{
		if(!string.IsNullOrEmpty(appId)) {
            _BuglyConfigCrashReporterType(SDK_TYPE); // MSDK

            _BuglyInit(appId, _debugMode, SDK_LOG_LEVEL); // Log level 
		}
	}
    
    private static void SetUnityVersion(){
        ConfigCrashReporterType();
//        _BuglySetExtraConfig("UnityVersion", Application.unityVersion);
		_BuglySetKeyValue("UnityVersion", Application.unityVersion);
    }

	private static void SetUserInfo(string userInfo){
		if(!string.IsNullOrEmpty(userInfo)) {
            ConfigCrashReporterType();

            _BuglySetUserId(userInfo);
		}
	}
	
	private static void ReportException (int type, string name, string reason, string stackTrace, bool quitProgram)
	{
        string extraInfo = "";
		Dictionary<string, string> extras = null;
		if (_LogCallbackExtrasHandler != null) {
			extras = _LogCallbackExtrasHandler();
		}
		if (extras == null || extras.Count == 0) {
			extras = new Dictionary<string, string> ();
			extras.Add ("UnityVersion", Application.unityVersion);
		}

		if (extras != null && extras.Count > 0) {
			if (!extras.ContainsKey("UnityVersion")) {
				extras.Add ("UnityVersion", Application.unityVersion);
			}

			StringBuilder builder = new StringBuilder();
			foreach(KeyValuePair<string,string> kvp in extras){
				builder.Append(string.Format("\"{0}\" : \"{1}\"", kvp.Key, kvp.Value)).Append(" , ");
			}
			extraInfo = string.Format("{{ {0} }}", builder.ToString().TrimEnd(" , ".ToCharArray()));
		}

        ConfigCrashReporterType();
        // 4 is C# exception
        _BuglyReportException(4, name, reason, stackTrace, extraInfo, quitProgram);
	}

	private static void SetCurrentScene(int sceneId) {
        ConfigCrashReporterType();

        _BuglySetTag(sceneId);
	}

	private static void AddKeyAndValueInScene(string key, string value){
        ConfigCrashReporterType();

        _BuglySetKeyValue(key, value);
	}

	private static void AddExtraDataWithException(string key, string value) {

	}

	private static void LogToConsole(LogSeverity level, string message){
		if (!_debugMode && LogSeverity.Log != level) {
            if (level < LogSeverity.LogWarning) {
				return;
			}
		}

        if (_debugMode ) {
            Console.WriteLine("[BuglyAgent] <{0}> - {1}", level.ToString(), message);
        }

        ConfigCrashReporterType();
//        _BuglyLogMessage(LogSeverityToInt(level), null, message);
	}

    private static int LogSeverityToInt(LogSeverity logLevel){
        int level = 5;
        switch(logLevel) {
        case LogSeverity.Log:
            level = 5;
                break;
        case LogSeverity.LogDebug:
            level = 4;
                break;
        case LogSeverity.LogInfo:
            level = 3;
                break;
        case LogSeverity.LogWarning:
        case LogSeverity.LogAssert:
            level = 2;
                break;
        case LogSeverity.LogError:
        case LogSeverity.LogException:
            level = 1;
                break;
        default:
            level = 0;
                break;
        }
        return level;
    }

	// --- dllimport start ---
    [DllImport("__Internal")]
    private static extern void _BuglyInit(string appId, bool debug, int level);

    [DllImport("__Internal")]
    private static extern void _BuglySetUserId(string userId);

    [DllImport("__Internal")]
    private static extern void _BuglySetTag(int tag);

    [DllImport("__Internal")]
    private static extern void _BuglySetKeyValue(string key, string value);

    [DllImport("__Internal")]
    private static extern void _BuglyReportException(int type, string name, string reason, string stackTrace, string extras, bool quit);

    [DllImport("__Internal")]
    private static extern void _BuglyDefaultConfig(string channel, string version, string user, string deviceId);

    [DllImport("__Internal")]
    private static extern void _BuglyLogMessage(int level, string tag, string log);

    [DllImport("__Internal")]
    private static extern void _BuglyConfigCrashReporterType(int type);

    [DllImport("__Internal")]
    private static extern void _BuglySetExtraConfig(string key, string value);

	// dllimport end
	#endregion

#endif
	
	#region Privated Fields and Methods	
	private static event LogCallbackDelegate _LogCallbackEventHandler;
	
	private static bool _isInitialized = false;
	private static LogSeverity _autoReportLogLevel = LogSeverity.LogError;

	#pragma warning disable 414
	private static bool _debugMode = false;
	private static bool _autoQuitApplicationAfterReport = false;

	private static readonly int EXCEPTION_TYPE_UNCAUGHT = 1;
	private static readonly int EXCEPTION_TYPE_CAUGHT = 2;
	private static readonly string _pluginVersion = "1.4.2";

	private static Func<Dictionary<string, string>> _LogCallbackExtrasHandler;

	public static string PluginVersion {
		get { return _pluginVersion; }
	}

	public static bool IsInitialized {
		get { return _isInitialized; }
	}

	public static bool AutoQuitApplicationAfterReport {
		get { return _autoQuitApplicationAfterReport; }
	}

	private static void _RegisterExceptionHandler ()
	{
		try {
			// hold only one instance 

			#if UNITY_5
			Application.logMessageReceived += _OnLogCallbackHandler;
			#else
			Application.RegisterLogCallback (_OnLogCallbackHandler);
			#endif
            AppDomain.CurrentDomain.UnhandledException += _OnUncaughtExceptionHandler;

			_isInitialized = true;
            
            DebugLog (null, "Register the log callback in Unity {0}", Application.unityVersion);
		} catch {
			
		}

        SetUnityVersion ();
	}
	
	private static void _UnregisterExceptionHandler ()
	{
		try {
			#if UNITY_5
			Application.logMessageReceived -= _OnLogCallbackHandler;
			#else
			Application.RegisterLogCallback (null);
			#endif
            System.AppDomain.CurrentDomain.UnhandledException -= _OnUncaughtExceptionHandler;
            DebugLog (null, "Unregister the log callback in unity {0}", Application.unityVersion);
		} catch {
			
		}
	}
	
	private static void _OnLogCallbackHandler (string condition, string stackTrace, LogType type)
	{
		if (_LogCallbackEventHandler != null) {
			_LogCallbackEventHandler (condition, stackTrace, type);
		}
		
		if (!IsInitialized) {
			return;
		}

		if (!string.IsNullOrEmpty (condition) && condition.Contains ("[BuglyAgent] <Log>")) {
			return;
		}

		if (_uncaughtAutoReportOnce) {
			return;
		}

		// convert the log level
		LogSeverity logLevel = LogSeverity.Log;
		switch (type) {
		case LogType.Exception:
			logLevel = LogSeverity.LogException;
			break;
		case LogType.Error:
			logLevel = LogSeverity.LogError;
			break;
		case LogType.Assert:
			logLevel = LogSeverity.LogAssert;
			break;
		case LogType.Warning:
			logLevel = LogSeverity.LogWarning;
			break;
		case LogType.Log:
			logLevel = LogSeverity.LogDebug;
			break;
		default:
			break;
		}

		if (LogSeverity.Log == logLevel) {
			return;
		}

		_HandleException (logLevel, null, condition, stackTrace, true);
	}
	
	private static void _OnUncaughtExceptionHandler (object sender, System.UnhandledExceptionEventArgs args)
	{
		if (args == null || args.ExceptionObject == null) {
			return;
		}

		try {
			if (args.ExceptionObject.GetType () != typeof(System.Exception)) {
				return;
			}
		} catch {
			if (UnityEngine.Debug.isDebugBuild == true) {
				UnityEngine.Debug.Log ("BuglyAgent: Failed to report uncaught exception");
			}

			return;
		}
		
		if (!IsInitialized) {
			return;
		}
		
		if (_uncaughtAutoReportOnce) {
			return;
		}

		_HandleException ((System.Exception)args.ExceptionObject, null, true);
	}
	
	private static void _HandleException (System.Exception e, string message, bool uncaught)
	{
		if (e == null) {
			return;
		}
		
		if (!IsInitialized) {
			return;
		}

		string name = e.GetType ().Name;
		string reason = e.Message;

		if (!string.IsNullOrEmpty (message)) {
			reason = string.Format ("{0}{1}***{2}", reason, Environment.NewLine, message);
		}

		StringBuilder stackTraceBuilder = new StringBuilder ("");

		StackTrace stackTrace = new StackTrace (e, true);
		int count = stackTrace.FrameCount;
		for (int i = 0; i < count; i++) {
			StackFrame frame = stackTrace.GetFrame (i);

			stackTraceBuilder.AppendFormat ("{0}.{1}", frame.GetMethod ().DeclaringType.Name, frame.GetMethod ().Name);

			ParameterInfo[] parameters = frame.GetMethod ().GetParameters ();
			if (parameters == null || parameters.Length == 0) {
				stackTraceBuilder.Append (" () ");
			} else {
				stackTraceBuilder.Append (" (");
				
				int pcount = parameters.Length;
				
				ParameterInfo param = null;
				for (int p = 0; p < pcount; p++) {
					param = parameters [p];
					stackTraceBuilder.AppendFormat ("{0} {1}", param.ParameterType.Name, param.Name);
					
					if (p != pcount - 1) {
						stackTraceBuilder.Append (", ");
					}
				}
				param = null;
				
				stackTraceBuilder.Append (") ");
			}

			string fileName = frame.GetFileName ();
			if (!string.IsNullOrEmpty (fileName) && !fileName.ToLower ().Equals ("unknown")) {
				fileName = fileName.Replace ("\\", "/");
				
				int loc = fileName.ToLower ().IndexOf ("/assets/");
				if (loc < 0) {
					loc = fileName.ToLower ().IndexOf ("assets/");
				}
				
				if (loc > 0) {
					fileName = fileName.Substring (loc);
				}

				stackTraceBuilder.AppendFormat ("(at {0}:{1})", fileName, frame.GetFileLineNumber ());
			}
			stackTraceBuilder.AppendLine ();
		}

		// report
		_reportException (uncaught, name, reason, stackTraceBuilder.ToString ());
	}

	private static void _reportException (bool uncaught, string name, string reason, string stackTrace)
	{
		if (string.IsNullOrEmpty (name)) {
			return;
		}

		if (string.IsNullOrEmpty (stackTrace)) {
			stackTrace = StackTraceUtility.ExtractStackTrace ();
		}
		
		if (string.IsNullOrEmpty (stackTrace)) {
			stackTrace = "Empty";			
		} else {

			try {
				string[] frames = stackTrace.Split ('\n');

				if (frames != null && frames.Length > 0) {
					
					StringBuilder trimFrameBuilder = new StringBuilder ();

					string frame = null;
					int count = frames.Length;
					for (int i = 0; i < count; i++) {
						frame = frames [i];

						if (string.IsNullOrEmpty (frame) || string.IsNullOrEmpty (frame.Trim ())) {
							continue;
						}

						frame = frame.Trim ();

						// System.Collections.Generic
						if (frame.StartsWith ("System.Collections.Generic.") || frame.StartsWith ("ShimEnumerator")) {
							continue;
						}
						if (frame.StartsWith ("Bugly")) {
							continue;
						}
						if (frame.Contains ("= new Vector3")) {
							continue;
						}

						int start = frame.ToLower ().IndexOf ("(at");
						int end = frame.ToLower ().IndexOf ("/assets/");

						if (start > 0 && end > 0) {
							trimFrameBuilder.AppendFormat ("{0}(at {1}", frame.Substring (0, start).Replace (":", "."), frame.Substring (end));
						} else {
							trimFrameBuilder.Append (frame.Replace (":", "."));
						}

						trimFrameBuilder.AppendLine ();
					}
					
					stackTrace = trimFrameBuilder.ToString ();
				}
			} catch {
				PrintLog(LogSeverity.LogWarning,"{0}", "Error ");
			}
			
		}

        PrintLog (LogSeverity.LogError, "ReportException: {0} {1}\n*********\n{2}\n*********", name, reason, stackTrace);

		_uncaughtAutoReportOnce = uncaught && _autoQuitApplicationAfterReport;

		ReportException (uncaught ? EXCEPTION_TYPE_UNCAUGHT : EXCEPTION_TYPE_CAUGHT, name, reason, stackTrace, uncaught && _autoQuitApplicationAfterReport);
	}

	private static void _HandleException (LogSeverity logLevel, string name, string message, string stackTrace, bool uncaught)
	{
		if (!IsInitialized) {
			DebugLog (null, "It has not been initialized.");
			return;
		}

		if (logLevel == LogSeverity.Log) {
			return;
		}

		if ((uncaught && logLevel < _autoReportLogLevel)) {
            DebugLog (null, "Not report exception for level {0}", logLevel.ToString ());
			return;
		}

		string type = null;
		string reason = null;

		if (!string.IsNullOrEmpty (message)) {
			try {
				if ((LogSeverity.LogException == logLevel) && message.Contains ("Exception")) {

                    Match match = new Regex (@"^(?<errorType>\S+):\s*(?<errorMessage>.*)", RegexOptions.Singleline).Match (message);
						
					if (match.Success) {
						type = match.Groups ["errorType"].Value.Trim();
						reason = match.Groups ["errorMessage"].Value.Trim ();
					}
                } else if ((LogSeverity.LogError == logLevel) && message.StartsWith ("Unhandled Exception:")) {

                    Match match = new Regex (@"^Unhandled\s+Exception:\s*(?<exceptionName>\S+):\s*(?<exceptionDetail>.*)", RegexOptions.Singleline).Match(message);
                    
                    if (match.Success) {
                        string exceptionName = match.Groups ["exceptionName"].Value.Trim();
                        string exceptionDetail = match.Groups ["exceptionDetail"].Value.Trim ();
                        
                        // 
                        int dotLocation = exceptionName.LastIndexOf(".");
                        if (dotLocation > 0 && dotLocation != exceptionName.Length) {
                            type = exceptionName.Substring(dotLocation + 1);
                        } else {
                            type = exceptionName;
                        }
                        
                        int stackLocation = exceptionDetail.IndexOf(" at ");
                        if (stackLocation > 0) {
                            // 
                            reason = exceptionDetail.Substring(0, stackLocation);
                            // substring after " at "
                            string callStacks = exceptionDetail.Substring(stackLocation + 3).Replace(" at ", "\n").Replace("in <filename unknown>:0","").Replace("[0x00000]","");
                            //
                            stackTrace = string.Format("{0}\n{1}", stackTrace, callStacks.Trim());
                            
                        } else {
                            reason = exceptionDetail;
                        }
                        
                        // for LuaScriptException
                        if(type.Equals("LuaScriptException") && exceptionDetail.Contains(".lua") && exceptionDetail.Contains("stack traceback:")) {
                            stackLocation = exceptionDetail.IndexOf("stack traceback:");
                            if(stackLocation > 0) {
                                reason = exceptionDetail.Substring(0, stackLocation);
                                // substring after "stack traceback:"
                                string callStacks = exceptionDetail.Substring(stackLocation + 16).Replace(" [", " \n[");
                                
                                //
                                stackTrace = string.Format("{0}\n{1}", stackTrace, callStacks.Trim());
                            }
                        }
                    }

                }
			} catch {

			}

			if (string.IsNullOrEmpty (reason)) {
				reason = message;
			}
		}

		if (string.IsNullOrEmpty (name)) {
			if (string.IsNullOrEmpty (type)) {
				type = string.Format ("Unity{0}", logLevel.ToString ());
			}
		} else {
			type = name;
		}
	
		_reportException (uncaught, type, reason, stackTrace);
	}

	private static bool _uncaughtAutoReportOnce = false;

	#endregion

}