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

namespace PayService
{
    public class LogHelper
    {

        public static string path = System.AppDomain.CurrentDomain.BaseDirectory;
        public static void WriteServiceLog(string LogData)
        {
            LogData = DateTime.Now.ToLongTimeString()+":" + LogData; 
            string LogName = "日志_Send"+System.DateTime.Now.Year.ToString() + "-" + System.DateTime.Now.Month.ToString() + 
                "-" + System.DateTime.Now.Day.ToString()+".log";
            string filename = path + "\\" + LogName;
            FileStream fs = new FileStream(filename, FileMode.OpenOrCreate);
            fs.Seek(0, SeekOrigin.End);
            byte[] _data = new UTF8Encoding().GetBytes(LogData+"\r\n");
            fs.Write(_data, 0, _data.Length);
            fs.Flush();
            fs.Close();
            MoveFiles("日志_Send*", "Log", -5);
        }

        public static void WriteServiceLog2(string LogData)
        {
            LogData = DateTime.Now.ToLongTimeString() + ":" + LogData; 
            string LogName = "日志_Receive" + System.DateTime.Now.Year.ToString() + "-" + System.DateTime.Now.Month.ToString() + 
                "-" + System.DateTime.Now.Day.ToString() + ".log";
            string filename = path + "\\" + LogName;
            FileStream fs = new FileStream(filename, FileMode.OpenOrCreate);
            fs.Seek(0, SeekOrigin.End);
            byte[] _data = new UTF8Encoding().GetBytes(LogData + "\r\n");
            fs.Write(_data, 0, _data.Length);
            fs.Flush();
            fs.Close();
            MoveFiles("日志_Receive*", "Log", -5);
        }

        public static void MoveFiles(string FileName, string FilePath = "Log", int DeleteDays = -30, string MovePath = "")
        {
            MovePath = MovePath == "" ? path : MovePath;
            if (!Directory.Exists(MovePath + "\\" + FilePath))
            {
                Directory.CreateDirectory(MovePath + "\\" + FilePath);
            }
            DirectoryInfo _DirectoryInfo = new DirectoryInfo(MovePath);
            foreach (FileInfo _FileInfo in _DirectoryInfo.GetFiles(FileName, SearchOption.TopDirectoryOnly))
            {
                if (_FileInfo.LastWriteTime < DateTime.Now.Date.AddDays(DeleteDays))
                {
                    if (File.Exists(MovePath + "\\" + FilePath + "\\" + _FileInfo.Name))
                    {
                        File.Delete(MovePath + "\\" + FilePath + "\\" + _FileInfo.Name);
                    }
                    _FileInfo.MoveTo(MovePath + "\\" + FilePath + "\\" + _FileInfo.Name);
                    //_FileInfo.Delete();
                }
            }
        }
    }
}