using log4net;
using log4net.Config;
using System;
using System.Diagnostics;
using System.IO;
using System.Reflection;

namespace Common
{
  public abstract class LogHelper
  {
    private static ILog _LogAll = LogManager.GetLogger("LOGALL");
    private static ILog _LogErr = LogManager.GetLogger("LOGERR");
    private static ILog _LogDebug = LogManager.GetLogger("LOGDEBUG");

    private static string GetMethodName(StackTrace trace)
    {
      MethodBase method = trace.GetFrame(1).GetMethod();
      return (method.ReflectedType.Module.Name + " " + method.ReflectedType.Name + "." + method.Name).PadRight(50);
    }

    public static void Config(string configFile)
    {
      XmlConfigurator.ConfigureAndWatch(new FileInfo(configFile));
    }

    public static void Error(string format, params object[] args)
    {
      LogHelper._LogErr.Error((object) string.Format("{0} {1}", (object) LogHelper.GetMethodName(new StackTrace()), (object) string.Format(format, args)));
    }

    public static void Info(string format, params object[] args)
    {
      LogHelper._LogAll.Info((object) string.Format("{0} {1}", (object) LogHelper.GetMethodName(new StackTrace()), (object) string.Format(format, args)));
    }

    public static void Warn(string format, params object[] args)
    {
      LogHelper._LogAll.Warn((object) string.Format("{0} {1}", (object) LogHelper.GetMethodName(new StackTrace()), (object) string.Format(format, args)));
    }

    public static void Debug(string format, params object[] args)
    {
      LogHelper._LogDebug.Debug((object) string.Format("{0} {1}", (object) LogHelper.GetMethodName(new StackTrace()), (object) string.Format(format, args)));
    }

    public static void Fatal(string format, params object[] args)
    {
      LogHelper._LogErr.Fatal((object) string.Format("{0} {1}", (object) LogHelper.GetMethodName(new StackTrace()), (object) string.Format(format, args)));
    }

    public static void Error(Exception e)
    {
      LogHelper._LogErr.Error((object) string.Format("{0} {1}\r\n{2}", (object) LogHelper.GetMethodName(new StackTrace()), (object) e.Message, (object) e.StackTrace));
    }
  }
}