using System;
using System.Collections.Generic;
using System.Linq;
using System.ServiceModel;
using System;
using System.Net;
using System.Collections;
using WinSCP;
using Kede;
using System.Text;
using System.IO;
using Kede.Utils;

namespace TestAgreement.utils
{
    internal class SftpWinSCPUtils
    {

        // 上传
        public static ResponseBody sftpUpload(string localFilePath,string remoteFilePath,string ServerUrl, string UserName, string Password,string PortNumber) {

            // 本地文件
              //localFilePath = @"D:\X.nc";
            ResponseBody responseBody = new ResponseBody();
            if (!File.Exists(localFilePath))
            {
                responseBody.code = 0;
                responseBody.msg = $"File '{localFilePath}' does not exist.";
                return responseBody;
            }
            //localFilePath =localFilePath.Replace(@"\\",@"\");
            // 远程文件地址
             //remoteFilePath = "/testNc/X.nc";
            //remoteFilePath = remoteFilePath;


            responseBody.code = 1;
            // 设定 SFTP 连接选项
            SessionOptions sessionOptions = new SessionOptions
            {
                Protocol = Protocol.Sftp,
                HostName = ServerUrl, // SFTP 服务器地址
                UserName = UserName,     // 用户名
                Password = Password,     // 密码
                PortNumber = PortNumber.StringToInt(),
            };

            // 使用 WinSCP 会话
            using (Session session = new Session())
            {
                // 连接到 SFTP 服务器
                try
                {
                    // 设置不用公私钥的一定要设置这句话
                    sessionOptions.GiveUpSecurityAndAcceptAnySshHostKey = true;
                    // 不用公私钥的要这一句
                    sessionOptions.FtpSecure = FtpSecure.None;
                    Console.WriteLine("scp =======================");
                    session.Open(sessionOptions);
                    Console.WriteLine("scp end =======================");

                    // 执行上传
                    TransferOperationResult transferResult;
                    transferResult = session.PutFiles(localFilePath, remoteFilePath, false);

                    // 检查传输结果
                    transferResult.Check();

                    // 输出上传的文件名
                    foreach (TransferEventArgs transfer in transferResult.Transfers)
                    {
                        Console.WriteLine("Uploaded: " + transfer.FileName);
                    }
                }
                catch (Exception e)
                {
                    Console.WriteLine("Error: " + e.Message);
                    responseBody.code = 0;
                    responseBody.msg = e.Message;
                }
                finally
                {
                    // 断开连接
                    session.Dispose();
                }
                if(responseBody.code == 1)
                {
                    SocketUtil.socket(ServerUrl, Path.GetFileName(localFilePath),responseBody);
                }

                return responseBody;
            }

        }


        /*
          下载nc程序
         */
        public void SftpDownload()
        {
            Console.WriteLine("====================sftp文件下载=========================");
            // 远程文件路径
            string localFilePath = @"C:\Users\Lenovo\Desktop\temp\testNcQ.nc";
            // 本地文件路径
            string remoteFilePath = "/testNc/testNcQ.nc";

            // 设定 SFTP 连接选项
            SessionOptions sessionOptions = new SessionOptions
            {
                Protocol = Protocol.Sftp,
                HostName = "192.168.11.39", // SFTP 服务器地址
                UserName = "root",     // 用户名l
                Password = "root",     // 密码
                PortNumber = 8081,
            };

            // 使用 WinSCP 会话
            using (Session session = new Session())
            {
                try
                {
                    // 连接到 SFTP 服务器
                    session.Open(sessionOptions);
                    Console.WriteLine("Connected to SFTP server.");

                    // 执行下载
                    TransferOperationResult transferResult = session.GetFiles(remoteFilePath, localFilePath, false);
                    transferResult.Check(); // 检查传输结果

                    // 输出下载的文件名
                    foreach (TransferEventArgs transfer in transferResult.Transfers)
                    {
                        Console.WriteLine("Downloaded: " + transfer.FileName);
                    }
                }
                catch (Exception e)
                {
                    Console.WriteLine("Error: " + e.Message);
                }
                finally
                {
                    // 断开连接
                    session.Dispose();
                }
            }


        }


        /*
          删除nc程序
         */
        public static ResponseBody SftpDelete(string remoteFilePath, string ServerUrl,string UserName,string Pasword,string PortNumber)
        {
            Console.WriteLine("====================sftp文件删除=========================");
            // 远程文件路径
            //string remoteFilePath = "/testNc/testNcQ.nc";
            ResponseBody responseBody = new ResponseBody();
            responseBody.code = 1;
            // 设定 SFTP 连接选项
            SessionOptions sessionOptions = new SessionOptions
            {
                Protocol = Protocol.Sftp,
                HostName = ServerUrl, // SFTP 服务器地址
                UserName = UserName,     // 用户名l
                Password = Pasword,     // 密码
                PortNumber = PortNumber.StringToInt(),
            };
            sessionOptions.GiveUpSecurityAndAcceptAnySshHostKey = true;
            // 使用 WinSCP 会话
            using (Session session = new Session())
            {
                try
                {
                    // 连接到 SFTP 服务器
                    session.Open(sessionOptions);
                    Console.WriteLine("Connected to SFTP server.");

                    // 执行下载
                    session.RemoveFile(remoteFilePath);

                }
                catch (Exception e)
                {
                    Console.WriteLine("Error: " + e.Message);
                    responseBody.code = 0;
                    responseBody.msg = e.Message;
                }
                finally
                {
                    // 断开连接
                    session.Dispose();
                }
            }

            return responseBody;
        }
    }
}