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

namespace Shared.Phone.UserCenter
{
    /// <summary>
    /// Log逻辑
    /// </summary>
    public class HdlLogLogic
    {
        #region ■ 变量声明___________________________

        /// <summary>
        /// Log逻辑
        /// </summary>
        private static HdlLogLogic m_Current = null;
        /// <summary>
        /// Log逻辑
        /// </summary>
        public static HdlLogLogic Current
        {
            get
            {
                if (m_Current == null)
                {
                    m_Current = new HdlLogLogic();
                }
                return m_Current;
            }
        }

        /// <summary>
        /// 锁
        /// </summary>
        private object objLock = new object();

        #endregion

        #region ■ Log出力____________________________

        /// <summary>
        /// Log出力
        /// </summary>
        /// <param name="ex"></param>
        /// <param name="appendMsg">附加消息</param>
        public void WriteLog(Exception ex, string appendMsg = "")
        {
            //Log出力
            string msg = appendMsg == "" ? string.Empty : appendMsg + "\r\n";
            msg += ex.Message + "\r\n";
            msg += ex.StackTrace;
            this.WriteLog(-1, msg);
        }

        /// <summary>
        /// Log出力
        /// </summary>
        /// <param name="div">1:普通Log,-1:致命错误Log,2:特殊Log</param>
        /// <param name="strLog">Log内容</param>
        public void WriteLog(int div, string strLog)
        {
            lock (objLock)
            {
                if (div != -1 && div != 2 && UserCenterResourse.HideOption.DetailedLog == 0)
                {
                    //暂时只记录异常信息
                    return;
                }
                //Log文件
                System.IO.StreamWriter sw = null;
                try
                {
                    string fullName = string.Empty;
                    if (div != 2)
                    {
                        string fileName = this.GetLogFile(div);
                        fullName = UserCenterLogic.CombinePath(DirNameResourse.LocalMemoryDirectory, DirNameResourse.LogDirectory, fileName);
                    }
                    else
                    {
                        fullName = DirNameResourse.SendAndReceveDataLog;
                    }
                    strLog = "\r\n[" + DateTime.Now.ToString("yyyyMMdd HH:mm:ss") + "] " + strLog + "\r\n";
                    sw = new System.IO.StreamWriter(fullName, true, Encoding.UTF8);
                    sw.WriteLine(strLog);
                }
                catch { }
                finally
                {
                    sw?.Close();
                    sw = null;
                }
            }
        }

        /// <summary>
        /// 获取LOG文件
        /// </summary>
        /// <param name="div">1:普通Log,-1:致命错误Log</param>
        /// <returns></returns>
        private string GetLogFile(int div)
        {
            //加密,因为这是收集数据,最好不让别人知道这是什么最好
            string fileName = UserCenterResourse.UserInfo.Account + "-" + DateTime.Now.ToString("yyyyMMdd");
            if (div == -1)
            {
                fileName += "Error";
            }
            else if (div == 1)
            {
                fileName += "Log";
            }
            fileName = UserCenterLogic.EncryptPassword(UserCenterResourse.FileEncryptKey, fileName);
            return fileName;
        }
        #endregion
    }
}