using CnasSynchronousCommon;
using CnasSynchrousModel;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;

namespace CnasSynchronusClient
{     
    public class RemoteFileCopy
    {
        public InstrumentDataSourceInfo SyncInstrumentDSInfo { get; set; }

        public RemoteFileCopy(InstrumentDataSourceInfo SyncInstrumentDSInfo)
        {
            this.SyncInstrumentDSInfo = SyncInstrumentDSInfo;
        }
        public bool isExistFile(string strPath)
        {
            if (File.Exists(strPath))
                return true;
            else
                return false;
        }

        public void CopyFileFromRemote(string strPathSuffix,string stAutoFileName=null)
        {
            if (SyncInstrumentDSInfo.Path == null) return;
            string[] strRemoteHostMsgs=SyncInstrumentDSInfo.Path.Split(new char[1] { '\\'}, StringSplitOptions.RemoveEmptyEntries);
            if (strRemoteHostMsgs.Length > 0)
            {
                AppLog.Error("CopyFileFromRemote打印日志 "+ SyncInstrumentDSInfo.DsPathType);
                AppLog.Error("CopyFileFromRemote打印日志 " + PathType.Remote);
                AppLog.Error("CopyFileFromRemote打印日志 " + SyncInstrumentDSInfo.RemoteUser);
                AppLog.Error("CopyFileFromRemote打印日志 " + SyncInstrumentDSInfo.RemoteUser);
                AppLog.Error("CopyFileFromRemote打印日志 " + strRemoteHostMsgs[0]);
                //执行net user,否则没有权限
                if (SyncInstrumentDSInfo.DsPathType == PathType.Remote)
                    Connect(@"\\"+strRemoteHostMsgs[0], SyncInstrumentDSInfo.RemoteUser, SyncInstrumentDSInfo.RemoteUser);
                AppLog.Error("CopyFileFromRemote打印日志 " + PathType.Remote);
                //执行复制
                string strPath = SyncInstrumentDSInfo.Path;
                string strCatchPath = FileHelper.getBasePath() + "\\Cache\\";
                string strCopyPath =  System.Text.RegularExpressions.Regex.Replace(SyncInstrumentDSInfo.Path, "[ \\[ \\] \\^ \\-_*×――(^)|'$%~!@#$…&%￥—+=<>《》!！??？:：•`·、。，；,.;\"‘’“”-]", "").Replace(@"\", "") + strPathSuffix;
                if (stAutoFileName != null)
                {
                    if(Path.GetExtension(strPath)=="")
                        strPath = strPath + "\\" + stAutoFileName;

                    strCopyPath = System.Text.RegularExpressions.Regex.Replace(strPath, "[ \\[ \\] \\^ \\-_*×――(^)|'$%~!@#$…&%￥—+=<>《》!！??？:：•`·、。，；,.;\"‘’“”-]", "").Replace(@"\", "") + strPathSuffix;
                    if (File.Exists(strCatchPath+strCopyPath))
                        File.Delete(strCatchPath+strCopyPath);
                }
                Transport(strPath, strCatchPath, strCopyPath);
            }
            else
            {
                AppLog.Error("未能正确获得解析后的远程主机名");
            }
        }

        public static void DeleteDir(string file)
        {
            try
            {
                //去除文件夹和子文件的只读属性
                //去除文件夹的只读属性
                System.IO.DirectoryInfo fileInfo = new DirectoryInfo(file);
                fileInfo.Attributes = FileAttributes.Normal & FileAttributes.Directory;
                //去除文件的只读属性
                System.IO.File.SetAttributes(file, System.IO.FileAttributes.Normal);
                //判断文件夹是否还存在
                if (Directory.Exists(file))
                {
                    foreach (string f in Directory.GetFileSystemEntries(file))
                    {
                        if (File.Exists(f))
                        {
                            //如果有子文件删除文件
                            File.Delete(f);
                            Console.WriteLine(f);
                        }
                        else
                        {
                            //循环递归删除子文件夹
                            DeleteDir(f);
                        }
                    }

                    //删除空文件夹
                    Directory.Delete(file);
                }
            }
            catch (Exception ex) // 异常处理
            {
                AppLog.Error(ex.Message);// 异常信息
            }
        }
        public bool Connect(string remoteHostWithShareDirectory, string userName, string passWord)
        {
            bool Flag = false;
            Process proc = new Process();
            try
            {
                proc.StartInfo.FileName = "cmd.exe";
                proc.StartInfo.UseShellExecute = false;
                proc.StartInfo.RedirectStandardInput = true;
                proc.StartInfo.RedirectStandardOutput = true;
                proc.StartInfo.RedirectStandardError = true;
                proc.StartInfo.CreateNoWindow = true;
                proc.Start();
                string dosLine = "net use " + remoteHostWithShareDirectory + "  " + passWord + " /User:" + userName;
                proc.StandardInput.WriteLine(dosLine);
                proc.StandardInput.WriteLine("exit");
                while (!proc.HasExited)
                {
                    proc.WaitForExit(1000);
                }

                string errormsg = proc.StandardError.ReadToEnd();
                proc.StandardError.Close();
                if (String.IsNullOrEmpty(errormsg))
                {
                    Flag = true;
                }
            }
            catch (Exception ex)
            {
                AppLog.Error(ex.Message);
                throw ex;
            }
            finally
            {
                proc.Close();
                proc.Dispose();
            }
            return Flag;
        }

        /// <summary>
        /// 向远程文件夹保存本地内容，或者从远程文件夹下载文件到本地
        /// </summary>
        /// <param name="src">要保存的文件的路径，如果保存文件到共享文件夹，这个路径就是本地文件路径如：@"D:\1.avi"</param>
        /// <param name="dst">保存文件的路径，不含名称及扩展名</param>
        /// <param name="fileName">保存文件的名称以及扩展名</param>
        public static void Transport(string src, string dst, string fileName)
        {
            AppLog.Error("CopyFileFromRemote src 打印日志 " + src);
            AppLog.Error("CopyFileFromRemote dst 打印日志 " + dst);
            AppLog.Error("CopyFileFromRemote fileName 打印日志 " + fileName);
            try
            {
                FileStream inFileStream = new FileStream(src, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
                if (!Directory.Exists(dst))
                {
                    Directory.CreateDirectory(dst);
                }
                dst = dst + fileName;
                AppLog.Error("CopyFileFromRemote dst 打印日志 " + dst);
                FileStream outFileStream = new FileStream(dst, FileMode.OpenOrCreate);
                byte[] buf = new byte[inFileStream.Length];
                int byteCount;
                while ((byteCount = inFileStream.Read(buf, 0, buf.Length)) > 0)
                {
                    outFileStream.Write(buf, 0, byteCount);
                }
                inFileStream.Flush();
                inFileStream.Close();
                outFileStream.Flush();
                outFileStream.Close();
            }
            catch (Exception ex)
            {
                AppLog.Error(ex.Message);
            }
        }
        
    }
}