using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Net.Sockets;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using System.Web.Services.Description;
using System.Web.UI.WebControls.WebParts;
using System.Windows.Forms;
using UAS_MES_NEW.DataOperate;
using UAS_MES_NEW.Entity;

namespace UAS_MES_NEW.Make
{
    public partial class Make_WirelessThroughput : Form
    {
        public Make_WirelessThroughput()
        {
            InitializeComponent();
        }

        StringBuilder SQL = new StringBuilder();
        DataTable dt;
        DataHelper dh;

        private void Make_WirelessThroughput_Load(object sender, EventArgs e)
        {
            dh = SystemInf.dh;
        }

        private void Start_Click(object sender, EventArgs e)
        {
            if (IsCheckSet()) return;

            ShowMsg(1, $"开始测试");
            var tester = new CameraIperfTester(
                cameraIp: ProductList.Text.Trim(),
                cameraPort: 23,
                username: Account.Text.Trim(),
                password: ProductList.Text.Trim(),
                iperfServerIp: IPList.Text.Trim(),
                iperfServerPort : 5201
            );

            string Msg = tester.TelnetConnect();
            if (Msg.Substring(0,2) != "OK")
            {
                ShowMsg(0, $"Telnet登录失败,{Msg}");
                return;
            }
            ShowMsg(1, $"Telnet登录成功");

            Msg = tester.StartIperfTest(@"D:\MesCoder\Company\慧眼\吞吐量测试\iperf3.exe", @"D:\MesCoder\Company\慧眼\吞吐量测试\iperf_logs");
            if (Msg.Substring(0, 2) != "OK")
            {
                ShowMsg(0, $"iperf3启动失败,{Msg}");
                return;
            }
        }

        private void SN_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode != Keys.Enter) return;
            UpdateSN("L", SN.Text.Trim());

        }

        private bool IsCheckSet()
        {
            if (string.IsNullOrEmpty(IPList.Text))
            {
                ShowMsg(0, "请选择本地iperf 服务IP地址");
                return true;
            }

            if (string.IsNullOrEmpty(ProductList.Text))
            {
                ShowMsg(0, "请选择产品固定IP地址");
                return true;
            }

            if (string.IsNullOrEmpty(Account.Text))
            {
                ShowMsg(0, "请输入Telnet登录账号");
                return true;
            }

            if (string.IsNullOrEmpty(Password.Text))
            {
                ShowMsg(0, "请输入Telnet登录密码");
                return true;
            }

            if (string.IsNullOrEmpty(TestTime.Text))
            {
                ShowMsg(0, "请输入测试时长");
                return true;
            }

            //if (Locat1.Checked == false || Locat2.Checked == false || Locat3.Checked == false)
            //{
            //    ShowMsg(0, "请选择固件位置");
            //    return true;
            //}

            //if (Radio1.Checked == false || Radio1.Checked == false )
            //{
            //    ShowMsg(0, "请选择测试类型");
            //    return true;
            //}
            return false;
        }

        private void UpdateSN(string type, string sn)
        {
            if (type == "C")
            {
                serialNumber.Text = "";
                workOrder.Text = "";
                productCode.Text = "";
                productName.Text = "";
            }
            else if (type == "L")
            {
                SQL.Clear();
                SQL.Append($@"SELECT ms_sncode,ma_code,pr_code,pr_spec FROM makeserial,make,product
                        WHERE ms_sncode = '{sn}' AND ms_makecode = ma_code AND ms_prodcode = pr_code");
                dt = (DataTable)dh.ExecuteSql(SQL.ToString(), "select");
                if (dt.Rows.Count > 0)
                {
                    serialNumber.Text = dt.Rows[0]["ms_sncode"].ToString();
                    workOrder.Text = dt.Rows[0]["ma_code"].ToString();
                    productCode.Text = dt.Rows[0]["pr_code"].ToString();
                    productName.Text = dt.Rows[0]["pr_spec"].ToString();
                }
                else
                {
                    UpdateSN("C", sn);
                }
            }
        }

        public class CameraIperfTester
        {
            string cameraIp;
            int cameraPort;
            string username;
            string password;
            string iperfServerIp;
            int iperfServerPort;
            public CameraIperfTester(string cameraIp, int cameraPort, string username, string password, string iperfServerIp, int iperfServerPort)
            {
                this.cameraIp = cameraIp;
                this.cameraPort = cameraPort;
                this.username = username;
                this.password = password;
                this.iperfServerIp = iperfServerIp;
                this.iperfServerPort = iperfServerPort;
            }

            public string StartIperfTest(string iperfPath,string logDirectory)
            {
                return "OK,测试";
            }

            public string TelnetConnect()
            {
                try
                {
                    using (TcpClient client = new TcpClient())
                    {
                        IAsyncResult connectResult = client.BeginConnect(cameraIp, cameraPort, null, null);
                        bool connected = connectResult.AsyncWaitHandle.WaitOne(TimeSpan.FromMilliseconds(5000)); // 5秒连接超时

                        if (!connected)
                        {
                            client.Close();
                            return "NG,连接超时";
                        }

                        try
                        {
                            client.EndConnect(connectResult);
                        }
                        catch (SocketException ex)
                        {
                            return $"NG,连接失败: {ex.Message}";
                        }

                        using (NetworkStream stream = client.GetStream())
                        {
                            // 3S读取超时
                            stream.ReadTimeout = 3000;

                            StringBuilder fullResponse = new StringBuilder();

                            string welcomeResponse = ReadStream(stream);
                            fullResponse.Append(welcomeResponse);

                            WriteStream(stream, username);
                            string usernameResponse = ReadStream(stream);
                            fullResponse.Append(usernameResponse);

                            WriteStream(stream, password);
                            string loginResponse = ReadStream(stream);
                            fullResponse.Append(loginResponse);

                            return $"OK,{fullResponse.ToString()}";
                        }
                    }
                }
                catch (Exception ex)
                {
                    return $"NG,{ex.Message}";
                }
            }

            private void WriteStream(NetworkStream stream, string text)
            {
                byte[] data = Encoding.ASCII.GetBytes(text + "\r\n");
                stream.Write(data, 0, data.Length);
                stream.Flush();
            }

            private string ReadStream(NetworkStream stream)
            {
                StringBuilder sb = new StringBuilder();
                byte[] buffer = new byte[1024];
                int totalBytesRead = 0;
                int currentBytesRead = 0;
                DateTime lastReadTime = DateTime.UtcNow;
                TimeSpan idleTimeout = TimeSpan.FromMilliseconds(800); // 空闲超时

                try
                {
                    do
                    {
                        currentBytesRead = stream.Read(buffer, 0, buffer.Length);
                        if (currentBytesRead > 0)
                        {
                            sb.Append(Encoding.ASCII.GetString(buffer, 0, currentBytesRead));
                            totalBytesRead += currentBytesRead;
                            lastReadTime = DateTime.UtcNow;
                        }

                    } while ((DateTime.UtcNow - lastReadTime) < idleTimeout);

                }
                catch (IOException ioEx)
                {

                }
                catch (ObjectDisposedException)
                {
                    throw;
                }
                catch (SocketException sockEx)
                {
                    throw new IOException($"NG,网络错误: {sockEx.Message}", sockEx);
                }
                return sb.ToString();
            }
        }

        private void ShowMsg(int type, string msg)
        {
            msg = msg.Replace("\r", "").Replace("\n", "");
            string msgTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
            string showMsg = $"{msgTime}: {msg}\n";
            if (type == 0)
            {
                OperatResult.AppendText(showMsg, Color.Red);
            }
            else if (type == 1)
            {
                OperatResult.AppendText(showMsg, Color.Green);
            }
        }

        private void Radio1_Click(object sender, EventArgs e)
        {
            if (Radio1.Checked)
            {
                Radio2.Checked = false;
            }
        }

        private void Radio2_Click(object sender, EventArgs e)
        {
            if (Radio2.Checked)
            {
                Radio1.Checked = false;
            }
        }

        private void Locat1_Click(object sender, EventArgs e)
        {
            if (Locat1.Checked)
            {
                Locat2.Checked = false;
                Locat3.Checked = false;
            }
        }

        private void Locat2_Click(object sender, EventArgs e)
        {
            if (Locat2.Checked)
            {
                Locat1.Checked = false;
                Locat3.Checked = false;
            }
        }

        private void Locat3_Click(object sender, EventArgs e)
        {
            if (Locat3.Checked)
            {
                Locat1.Checked = false;
                Locat2.Checked = false;
            }
        }

        private void Account_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode != Keys.Enter) return;
            Password.Focus();
            Password.SelectAll();
        }

        private void Password_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode != Keys.Enter) return;
            TestTime.Focus();
            TestTime.SelectAll();
        }

    }
}