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


namespace demo.ClassHelper
{
    /// <summary>
    /// 对程序中产生的日志文件做删除处理，日志主要包括
    /// 
    /// 1、平台日志
    /// 2、debug/error/info/日志
    /// 3、
    /// </summary>
    public class LogDel
    {
        /// <summary>
        /// 保留日期
        /// </summary>
        private const int RETAINDAYS = 3;
        private string basedir = "D:\\log";
        /// <summary>
        /// 删除平台日志
        /// </summary>
        public void DelPlatLog()
        {
            try
            {
                DirectoryInfo di = new DirectoryInfo(basedir);
                FileInfo[] files = di.GetFiles();
                foreach (FileInfo f in files)
                {
                    if(f.Extension==".log")
                    {
                        if ((DateTime.Now - f.LastAccessTime).TotalDays >= RETAINDAYS)
                        {
                            f.Delete();
                        }
                    }
                }
            }
            catch (Exception ex)
            {
            }
        }

        /// <summary>
        /// 删除log4net产生的日志
        /// </summary>
        public void Log4netLog()
        {
            try
            {
                string[] log4nets = new string[] { "Error","Info","Debug","Warning"};
                foreach (string item in log4nets)
                {
                    string dealdir = Path.Combine(basedir, item);
                    DirectoryInfo di = new DirectoryInfo(dealdir);
                    if(di.Exists)
                    {
                        DirectoryInfo[] dirs = di.GetDirectories();
                        foreach (DirectoryInfo subdir in dirs)
                        {
                            if ((DateTime.Now - subdir.LastAccessTime).TotalDays >= RETAINDAYS)
                            {
                                subdir.Delete(true);
                            }
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                
            }
            
        }

        /// <summary>
        /// 删除通信日志
        /// </summary>
        public void CommunicationLog()
        {
            try
            {
                string[] log4nets = new string[] { "tc1", "tc2", "tc3", "tc4", "tc5", "tc6", "vision" };
                foreach (string item in log4nets)
                {
                    string dealdir = Path.Combine(basedir, "communicationlog", item);
                    DirectoryInfo di = new DirectoryInfo(dealdir);
                    if (di.Exists)
                    {
                        FileInfo[] files = di.GetFiles();
                        foreach (FileInfo f in files)
                        {
                            if ((DateTime.Now - f.LastAccessTime).TotalDays >= RETAINDAYS)
                            {
                                f.Delete();
                            }
                        }
                    }

                }
            }
            catch (Exception ex)
            {

            }
            
        }
    }
}