using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using FLogger = UnityEngine.Gonbest.MagicCube.FLogger;

namespace Thousandto.Update.Log
{
    public delegate void DefaultLog(string msg);
    public delegate void WarnLog(string msg);
    public delegate void ErrorLog(string msg);


    public class UpdateLog
    {
        public static int LOG_LEVEL = 0;
        private static int INFO_LEVEL = 0;
        private static int DEBUG_LEVEL = 1;
        private static int WARN_LEVEL = 2;
        private static int ERROR_LEVEL = 3;
        private static StringBuilder _builder = new StringBuilder();
        private static string _builderError = "";
        private static string _currentLog = "";

        private static DefaultLog _defaultLogFunc;
        private static WarnLog _warnLogFunc;
        private static ErrorLog _errorLogFunc;

        private static StreamWriter _swriter = null;

        //注册日志回调
        public static void RegisterLogCallback(DefaultLog dLog, WarnLog wLog, ErrorLog eLog)
        {
            _defaultLogFunc = dLog;
            _warnLogFunc = wLog;
            _errorLogFunc = eLog;
        }

        public static void DEBUG_LOG(string log)
        {
            if (LOG_LEVEL <= DEBUG_LEVEL)
            {
                LOG("DEBUG_LOG: " + log);
                if (_defaultLogFunc != null)
                {
                    _defaultLogFunc(log);
                }
            }
        }

        public static void ERROR_LOG(string log)
        {
            if (LOG_LEVEL <= ERROR_LEVEL)
            {
                LOG("ERROR_LOG: " + log);
                _currentLog = "ERROR_LOG: " + log;
                _builderError = _currentLog;
                if (_errorLogFunc != null)
                {
                    _errorLogFunc(log);
                }
            }
        }

        public static void EXCEPTION_LOG(Exception ex)
        {
            _builderError = ex.Message;
            LOG("ERROR_LOG: " + _builderError);
        }

        public static void INFO_LOG(string log)
        {
            if (LOG_LEVEL <= INFO_LEVEL)
            {
                LOG("INFO_LOG:  " + log);
                if (_defaultLogFunc != null)
                {
                    _defaultLogFunc(log);
                }
            }
        }

        public static void WARN_LOG(string log)
        {
            if (LOG_LEVEL <= WARN_LEVEL)
            {
                LOG("WARN_LOG:  " + log);
                if (_warnLogFunc != null)
                {
                    _warnLogFunc(log);
                }
            }
        }

        private static void LOG(string log)
        {
            FLogger.Log(log);
        }
    }
}