using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using log4net.Core;
using System.Reflection;

namespace Aitex.DataAnalysis.Log
{
    class LogWriter
    {
        private readonly static Type ThisDeclaringType = typeof(LogWriter);
        private readonly ILogger defaultLogger;

        public LogWriter()
        {
            defaultLogger = log4net.Core.LoggerManager.GetLogger(Assembly.GetExecutingAssembly(), "CommonLogger");
        }

        string FormatLogString(LogItem logItem)
        {
            string fileName = string.Empty;
            try
            {

                fileName = logItem.sf.GetFileName().Substring(logItem.sf.GetFileName().LastIndexOf('\\') + 1);

            }
            catch (Exception)
            {
                fileName = string.Empty;
            }

            //2014-10-17 17:53:51.9   INFO   Log.cs   Line:50 - Config模块初始化成功。
            string result = string.Format("{0} LOG.{1} {2} Line:{3} {4}() - {5}", logItem.dt.ToString("yyyy-MM-dd HH:mm:ss.fff"),
                                                            logItem.lv.Name,
                                                            fileName,
                                                            logItem.sf.GetFileLineNumber().ToString(),
                                                            logItem.sf.GetMethod().Name,
                                                            logItem.msg);
            return result;
        }

        public string Write(LogItem logItem)
        {
            string log = FormatLogString(logItem);
            if (defaultLogger.IsEnabledFor(logItem.lv))
            {
                defaultLogger.Log(typeof(LogWriter), logItem.lv, log, logItem.ex);
            }
            return log;
        }
    }
}