using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
//
using System.IO;
using System.Net;
using System.Text.RegularExpressions;
using TellerSystem.ServiceProxy.Ext.ServiceHelper;
using Platform.Common.RunningParameters;

namespace TellerSystem.Library.Ext.TradeExtension
{
    /// <summary>
    /// FTP日志上传备份 
    /// </summary>
    /// <author>翟国栋</author>
    /// <date>2013/9/25 9:23:56</date>
    public static class LoggerFTP
    {
        static string FileName = "Logs";
        private static byte[] fileData = null;
        private static string filePath = "";
        private static List<string> localLogPath = new List<string>();

        /// <summary>
        /// 判断当前日志文件是否存在没有备份的
        /// </summary>
        /// <param name="file">文件路径</param>
        /// <param name="currentDate">营业日期</param>
        /// <returns>True-存在，False-不存在</returns>
        public static bool IsExistLogFile(FileSystemInfo file, string currentDate)
        {
            if (!file.Exists)
                return false;
            DirectoryInfo dire = file as DirectoryInfo;
            if (dire == null)
                return false;
            FileSystemInfo[] files = dire.GetFileSystemInfos();
            var fileCount = files.TakeWhile(x => Convert.ToDecimal(x.Name) < Convert.ToDecimal(currentDate)).ToList();
            if (fileCount.Count() > 0)
                return true;
            return false;
        }
        /// <summary>
        /// 递归遍历本地日志路径
        /// </summary>
        /// <param name="path">本地日志路径</param>
        /// <returns>日志路径列表</returns>
        private static List<string> getFiles(string path)
        {
            string[] strFileNames = Directory.GetFiles(path);
            string[] strDirectories = Directory.GetDirectories(path);
            foreach (string filename in strFileNames)
            {
                localLogPath.Add(filename);
            }
            foreach (string dir in strDirectories)
            {
                getFiles(dir);
            }
            return localLogPath;
        }
        /// <summary>
        /// 遍历子目录，备份当前日期前的日志文件        
        /// </summary>
        /// <param name="file"></param>
        public static void GetFileSystemInfos(FileSystemInfo file)
        {
            localLogPath.Clear();
            if (!file.Exists) return;
            var list = getFiles(file.FullName);

            foreach (var item in list)
            {

                if (!item.Contains(LoginUserInfo.TradeDate))
                {
                    var upLastName = item.Substring(item.IndexOf(FileName), item.Length - item.IndexOf(FileName)).ToString();
                    //上传日志文件
                    string upPath = string.Empty;
                    string[] upPathArray = upLastName.Split('\\');
                    for (int i = 0; i < upPathArray.Length; i++)
                    {
                        if (i < upPathArray.Length - 1)
                        {
                            upPath += upPathArray[i] + "/";
                        }
                    }
                    fileData = File.ReadAllBytes(item);
                    var result = 0.00;
                    try
                    {
                        result = TradeHandle.FtpUpLoad(upLastName.Split('\\').LastOrDefault(), upPath, fileData);
                    }
                    catch (Exception e)
                    {

                    }
                }
            }
        }

        /// <summary>
        /// 清除本地日志文件
        /// </summary>
        public static void ClearFiles(FileSystemInfo file)
        {
            DirectoryInfo dire = file as DirectoryInfo;
            if (dire == null) return;
            FileSystemInfo[] files = dire.GetFileSystemInfos();
            string date = string.Empty;
            if (LoginUserInfo.TradeDate.Length == 8)
                date = LoginUserInfo.TradeDate.Substring(0, 4) + "-" + LoginUserInfo.TradeDate.Substring(4, 2) + "-" + LoginUserInfo.TradeDate.Substring(6, 2);
            DateTime dt = DateTime.Now;
            if (!DateTime.TryParse(date, out dt))
                return;
            string[] dateList = new string[3];
            dateList[0] = LoginUserInfo.TradeDate;
            dateList[1] = string.Format("{0:yyyyMMdd}", dt.AddDays(-1));
            dateList[2] = string.Format("{0:yyyyMMdd}", dt.AddDays(-2));
            for (int i = 0; i < files.Length; i++)
            {
                bool flag = true;
                string finame = files[i].Name;
                string fipath = files[i].FullName;
                for (int y = 0; y < dateList.Length; y++)
                {
                    if (files[i].Name == dateList[y])
                    {
                        flag = false;
                        continue;
                    }                        
                   
                }
                if (flag)
                {
                    DirectoryInfo dirInfo = new DirectoryInfo(fipath);
                    //删除目录及其子目录
                    dirInfo.Delete(true);
                }
                
                  
            }
        }
    }
}