using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using System.Configuration;
using System.IO;
using CB.Entity;


namespace CB.TrendTool
{

    public class LogHelper
    {
        /// <summary>
        /// 日志的记录类型是Text或SQLServer
        /// </summary>
        private static string LogType
        {
            get
            {
                return "text";
            }
        }
        /// <summary>
        /// Text日志的存放路径
        /// </summary>
        private static string GetLogPath
        {
            get
            {
                return System.Configuration.ConfigurationManager.AppSettings["LogPath"].ToString();
            }
        }
        /// <summary>
        /// 记录日志信息
        /// </summary>
        /// <param name="lt">彩票种类实体,如果传入null对象将直接将日志存放到统一文件</param>
        /// <param name="MessgeInfo">异常信息</param>
        /// <param name="type">类型(枚举)</param>
        /// <param name="WriteTag">是否增加日志的分割线</param>
        public static void WriteLog(string MessgeInfo, ExceptionType type, bool WriteTag)
        {
            if (LogType == "SQLServer")
            {
                WriteLogToSQLServer(MessgeInfo, type, WriteTag);
            }
            else //默认都写入日志文件
            {
                WriteLogToText(MessgeInfo, type, WriteTag);
            }

        }



        /// <summary>
        /// 将日志记录写入文本文件
        /// </summary>
        /// <param name="lt"></param>
        /// <param name="MessgeInfo"></param>
        /// <param name="type"></param>
        /// <param name="WriteTag"></param>
        private static void WriteLogToText(string MessgeInfo, ExceptionType type, bool WriteTag)
        {
            string LogPath = "";
            if (string.IsNullOrEmpty(GetLogPath))
            {
                //实体为空记录日志
                LogPath = Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory, "RunLog\\ServiceTooLog\\");

            }
            else
            {
                LogPath = GetLogPath;
            }

            if (!Directory.Exists(LogPath))
            {
                Directory.CreateDirectory(LogPath);
            }


            string fileName = LogPath + DateTime.Now.ToString("yyyy-MM-dd") + ".log";
            StreamWriter stream = null;

            try
            {
                string log = "[" + System.DateTime.Now.ToString() + "]>>  " + MessgeInfo;

                if (!File.Exists(fileName))
                {
                    Stream stream2 = null;
                    try
                    {
                        stream2 = File.Create(fileName);
                    }
                    finally
                    {
                        if (stream2 != null)
                        {
                            stream2.Close();
                            stream2.Dispose();
                        }
                    }
                }
                stream = File.AppendText(fileName);
                if (WriteTag)
                {
                    stream.WriteLine("*********************************************************************");
                }
                stream.WriteLine(log);
            }
            catch
            { }
            finally
            {
                if (stream != null)
                {
                    stream.Close();
                    stream.Dispose();
                }
            }

        }


        private static void WriteLogToSQLServer( string MessgeInfo, ExceptionType type, bool WriteTag)
        {



        }
    }

    public enum ExceptionType
    {
        /// <summary>
        /// 系统日志
        /// </summary>
        SystemLog = 0,
        /// <summary>
        /// 异常日志
        /// </summary>
        ExceptionLog = 1
    }
}