using System;
using System.Collections.Generic;
using System.Text;
using log4net;
using log4net.Config;
using System.IO;
using D.Constant;

//// <summary>   
/// 日志助手   
/// </summary>   
public static class DLog
{
    #region Properties属性

    /// <summary>
    /// 基本日志
    /// </summary>
    private static ILog logInfo = LogManager.GetLogger(DConfig.LOG_INFO);

    /// <summary>
    /// 错误日志
    /// </summary>
    private static ILog logError = LogManager.GetLogger(DConfig.LOG_ERROR);

    /// <summary>
    /// 访问日志
    /// </summary>
    private static ILog logVisit = LogManager.GetLogger(DConfig.LOG_VISIT);

    /// <summary>
    /// 是否配置
    /// </summary>
    private static bool isConfig = false;

    #endregion

    #region Methods方法

    /// <summary>
    /// 日志配置初始化
    /// </summary>
    public static void SetConfig()
    {        
        SetConfig(DConfig.LOG_CONFIG);
    }

    /// <summary>
    /// 根据文件配置日志
    /// </summary>
    /// <param name="configFile">配置文件路径</param>
    public static void SetConfig(string configFile)
    {
        FileInfo file = new FileInfo(configFile);
        XmlConfigurator.Configure(file);
        isConfig = true;
    }

    /// <summary>
    /// 写入信息日志
    /// </summary>
    /// <param name="info">信息</param>
    public static void WriteLog(string info)
    {
        if (!isConfig) 
        {
            SetConfig();
        }
        if (logInfo.IsInfoEnabled)
        {
            logInfo.Info(info);
        }
    }

    /// <summary>
    /// 写入错误日志
    /// </summary>
    /// <param name="info">信息</param>
    /// <param name="ex">错误</param>
    public static void WriteLog(string info, Exception ex)
    {
        if (!isConfig)
        {
            SetConfig();
        }
        if (logError.IsErrorEnabled)
        {
            logError.Error(info, ex);
        }
    }

    /// <summary>
    /// 写入访问日志
    /// </summary>
    /// <param name="info">信息</param>
    public static void LogVisit(string info)
    {
        if (!isConfig)
        {
            SetConfig();
        }
        if (logVisit.IsInfoEnabled)
        {
            logVisit.Info(info);
        }
    }

    #endregion
}