using IMCS.CCS.body;
using Renci.SshNet;
using System;
using System.IO;

namespace IMCS.CCS.DeviceProtocol
{
    public class DeviceSFTP
    {
        #region 声明一个ScpClient类型的变量
        private ScpClient ssh;
        private SftpClient sftp;
        private SshClient sshClient;
 
       
        /// <summary>
        /// SCP连接状态
        /// </summary>
        public bool Connected { get { return ssh.IsConnected; } }
        #endregion

        #region
        /// <summary>
        /// 构造方法
        /// </summary>
        /// <param name="ip">IP</param>
        /// <param name="port">端口</param>
        /// <param name="user">用户名</param> 
        /// <param name="pwd">密码</param>
        public DeviceSFTP(string ip, string port, string user, string pwd)
        {
            ssh = new ScpClient(ip, Int32.Parse(port), user, pwd);
        }
        public DeviceSFTP(SFTPDeviceBody body)
        {
            ssh = new ScpClient(body.Ip, Int32.Parse(body.Port), body.UserName, body.Password);
        }
        #endregion

        #region
        /// <summary>
        /// 连接SCP
        /// </summary>
        /// <returns>true成功</returns>
        public bool Connect()
        {
            try
            {
                if (!Connected)
                {
                    ssh.Connect();
                }
                return true;
            }
            catch (Exception ex)
            {
                throw new Exception(string.Format("连接SFTP失败，原因：{0}", ex.Message));
            }
        }
        #endregion

        #region 断开SCP
        /// <summary>
        /// 断开SCP
        /// </summary> 
        public bool Disconnect()
        {
            try
            {
                if (ssh != null && Connected)
                {
                    ssh.Disconnect();
                }
                return true;
            }
            catch (Exception ex)
            {
                throw new Exception(string.Format("断开SFTP失败，原因：{0}", ex.Message));
            }
        }
        #endregion

        #region SFTP上传文件
        /// <summary>
        /// SCP上传文件
        /// </summary>
        /// <param name="localPath">本地路径</param>
        /// <param name="remotePath">远程路径</param>
        public int Put(string localPath, string remotePath)
        {
            try
            {
                FileInfo file = new FileInfo(localPath);
                FileStream fs = new FileStream(localPath, FileMode.Open);
                Connect();
                ssh.Upload(fs, remotePath);
              //  ssh.Upload(file, remotePath);
                Disconnect();
                return 1;
            }
            catch (Exception ex)
            {
                throw new Exception(string.Format("SFTP文件上传失败，原因：{0}", ex.Message)); 
            }
        }
        #endregion

        #region SFTP获取文件
        /// <summary>
        /// SCP获取文件
        /// </summary>
        /// <param name="remotePath">远程路径</param>
        /// <param name="localPath">本地路径</param>
        public void Get(string remotePath, DirectoryInfo localPath)
        {
            try
            {
                Connect();
                ssh.Download(remotePath, localPath);
                Disconnect();
            }
            catch (Exception ex)
            {
                throw new Exception(string.Format("SFTP文件获取失败，原因：{0}", ex.Message));
            }

        }
        #endregion

        public void DeleteFile(SFTPDeviceBody body, string filename)
        {
            using (SshClient sshClient = new SshClient(body.Ip, Int32.Parse(body.Port), body.UserName, body.Password))
            {
                //连接
                sshClient.Connect();
                //执行命令
                //rm -rf /var/log/httpd/access
                var cmd = sshClient.RunCommand($"rm -f /card/user/sinumerik/data/prog/webApiMESFILE/{filename}");
                //ExitStatus == 0 执行成功
                //
                if (cmd.ExitStatus == 0)
                {
                    Console.WriteLine(cmd.Result);//执行结果
                }
                else
                {
                    Console.WriteLine(cmd.Error);//错误信息
                }
                //断开连接
                sshClient.Disconnect();
            }
        }
        #region SFTP删除文件
        /// <summary>
        /// SCP获取文件
        /// </summary> 
        public void test()
        {
            using (SshClient sshClient = new SshClient("192.168.170.205", Int32.Parse("22"), "manufact", "SUNRISE"))
            {
                //连接
                sshClient.Connect();
                //执行命令

                var cmd = sshClient.RunCommand("cd /card/user/sinumerik/data/prog/webApiMESFILE && ls");
                //ExitStatus == 0 执行成功
                //
                if (cmd.ExitStatus == 0)
                {
                    Console.WriteLine(cmd.Result);//执行结果
                }
                else
                {
                    Console.WriteLine(cmd.Error);//错误信息
                }
                //断开连接
                sshClient.Disconnect();
            }
        }
        #endregion
    }
     
    
}