using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.IO;

namespace Diaoyong
{
    public partial class ConnectionTest : Form
    {
        const int NumberOfSupportedCameras = 8;
        public Thread recvThread = null;
        public bool m_Done = false;
        static byte[] clientIP = new byte[] { 192, 168, 31, 243 };
        static byte[] localIP = new byte[] { 192, 168, 31, 226 };
        static int clientport = 3333;

        public ConnectionTest()
        {
            InitializeComponent();
        }

        public void SendMsg(string obj, byte[] ip, int port)
        {
		    byte[] IP = ip;
            try
            {
                UdpClient udpcSend = new UdpClient(0);
                byte[] sendbytes = Encoding.UTF8.GetBytes(obj);
                // IPEndPoint remoteIpep = new IPEndPoint(IPAddress.Parse("192.168.31.243"), 3333);
                IPEndPoint remoteIpep = new IPEndPoint(new IPAddress(IP), port);
                udpcSend.Send(sendbytes, sendbytes.Length, remoteIpep);
                udpcSend.Close();
            }
            catch
            {
            }
        }

        public void RecMsg(byte[] ip, int port)
        {
            // UdpClient udpcSend = new UdpClient(0);
            // byte[] sendbytes = Encoding.UTF8.GetBytes(obj);
            // IPEndPoint remoteIpep = new IPEndPoint(new IPAddress(IP), dataPort);
            // byte[] sendbytes = udpcSend.Receive(ref remoteIpep);
            // udpcSend.Close();
            byte[] IP = ip;
            UdpClient u = null;
            try
            {
                if (u == null)
                {
                    u = new UdpClient(new IPEndPoint(new IPAddress(IP), port));
                    // recvThread = new Thread(new ThreadStart(Received));
                    // recvThread.Priority = ThreadPriority.Normal;
                    // recvThread.Start();
                    u.Client.ReceiveTimeout = 100;
                }
                Received(u);
            }
            catch(Exception ex)
            {
                DialogResult dr = MessageBox.Show(ex.ToString(), "连接失败", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
        }

        private void Received(UdpClient u)
        {
            //ASCII 编码
            Encoding ASCII = Encoding.ASCII;
            int tryLoop = 0;
            while (!m_Done)
            {
                IPEndPoint endpoint = null;
                try
                {
                    Byte[] data = u.Receive(ref endpoint);
                    //得到数据的ACSII的字符串形式
                    String receiveString = ASCII.GetString(data);
                    if (receiveString != null)
                    {
                        String[] str = receiveString.Split(new char[] { '_' }, StringSplitOptions.RemoveEmptyEntries);
                        if (str[0].CompareTo("HandShake") == 0) //connect success
                        {
                            if(str.Length > 1)
                            {
                                if(str[1].CompareTo("UnlockOk") == 0)
                                {
                                    WindowsFormsApp2.UserControl1.status[0] = 1;
                                }
                                else if(str[1].CompareTo("LockOk") == 0)
                                {
                                    WindowsFormsApp2.UserControl1.status[0] = 0;
                                }
                            }
                            if (str.Length > 2)
                            {
                                if (str[2].CompareTo("DebugEn") == 0)
                                {
                                    WindowsFormsApp2.UserControl1.status[1] = 1;
                                }
                                else if (str[2].CompareTo("DebugDis") == 0)
                                {
                                    WindowsFormsApp2.UserControl1.status[1] = 0;
                                }
                            }
                            if (str.Length > 3)
                            {
                                if (str[3].CompareTo("UnKickOk") == 0)
                                {
                                    WindowsFormsApp2.UserControl1.status[2] = 1;
                                }
                                else if (str[3].CompareTo("KickOk") == 0)
                                {
                                    WindowsFormsApp2.UserControl1.status[2] = 0;
                                }
                            }
                            //DialogResult dr = MessageBox.Show("连接成功！", "连接成功", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                            u.Close();
                            //u.Dispose();
                            break;
                        }
                    }
                }
                catch
                {
                    //SOCKETEventArrive("receive:Nullerror");
                }
                tryLoop++;//1 loop = 100ms
                if(tryLoop == 50)
                    m_Done = true;
            }
            u.Close();
            //u.Dispose();
        }

        private void label1_Click(object sender, EventArgs e)
        {

        }

        private void clientIP1_TextChanged(object sender, EventArgs e)
        {
            if ((int.Parse(this.clientIP1.Text) > 255) && (this.clientIP1.Text.Length > 0))
                this.clientIP1.Text = null;
        }

        private void clientIP2_TextChanged(object sender, EventArgs e)
        {
            if ((int.Parse(this.clientIP2.Text) > 255) && (this.clientIP1.Text.Length > 0))
                this.clientIP1.Text = null;
        }

        private void clientIP3_TextChanged(object sender, EventArgs e)
        {
            if ((int.Parse(this.clientIP3.Text) > 255) && (this.clientIP1.Text.Length > 0))
                this.clientIP1.Text = null;
        }

        private void clientIP4_TextChanged(object sender, EventArgs e)
        {
            if ((int.Parse(this.clientIP4.Text) > 255) && (this.clientIP1.Text.Length > 0))
                this.clientIP1.Text = null;
        }

        private void ClientPort_TextChanged(object sender, EventArgs e)
        {
            if (this.ClientPort.Text.Length > 4)
                this.clientIP1.Text = null;
        }

        private void clientIP1_KeyPress(object sender, KeyPressEventArgs e)
        {
            if(!(char.IsNumber(e.KeyChar)) && e.KeyChar != (char)8)
                e.Handled = true;
        }

        private void clientIP2_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (!(char.IsNumber(e.KeyChar)) && e.KeyChar != (char)8)
                e.Handled = true;
        }

        private void clientIP3_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (!(char.IsNumber(e.KeyChar)) && e.KeyChar != (char)8)
                e.Handled = true;
        }

        private void clientIP4_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (!(char.IsNumber(e.KeyChar)) && e.KeyChar != (char)8)
                e.Handled = true;
        }

        private void ClientPort_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (!(char.IsNumber(e.KeyChar)) && e.KeyChar != (char)8)
                e.Handled = true;
        }

        private void ok_Click(object sender, EventArgs e)
        {
            try
            {
                //获取主机名
                string HostName = Dns.GetHostName();
                IPHostEntry IpEntry = Dns.GetHostEntry(HostName);
                for (int i = 0; i < IpEntry.AddressList.Length; i++)
                {
                    //从IP地址列表中筛选出IPv4类型的IP地址
                    //AddressFamily.InterNetwork表示此IP为IPv4,
                    //AddressFamily.InterNetworkV6表示此地址为IPv6类型
                    if (IpEntry.AddressList[i].AddressFamily == AddressFamily.InterNetwork)
                    {
                        localIP = IpEntry.AddressList[i].GetAddressBytes();
                    }
                }
            }
            catch (Exception ex)
            {
                DialogResult dr = MessageBox.Show("获取本机IP失败！", "获取本机IP失败", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }

            if ((this.clientIP1.Text.Length != 0) &&
                (this.clientIP2.Text.Length != 0) &&
                (this.clientIP3.Text.Length != 0) &&
                (this.clientIP4.Text.Length != 0) &&
                (this.ClientPort.ToString().Length != 0)
                ) {

                clientIP[0] = (byte)(int.Parse(this.clientIP1.Text));
                clientIP[1] = (byte)(int.Parse(this.clientIP2.Text));
                clientIP[2] = (byte)(int.Parse(this.clientIP3.Text));
                clientIP[3] = (byte)(int.Parse(this.clientIP4.Text));

                clientport = int.Parse(this.ClientPort.Text.ToString());
            }
            else
            {
                DialogResult dr = MessageBox.Show("输入有误，请重新输入！", "错误", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }

            WindowsFormsApp2.DialogLogin.localIP = localIP;
            WindowsFormsApp2.DialogLogin.clientIP = clientIP;
            WindowsFormsApp2.DialogLogin.ordPort = clientport+NumberOfSupportedCameras*2+1;
            WindowsFormsApp2.DialogLogin.feedPort = clientport+NumberOfSupportedCameras*2;

            WindowsFormsApp2.UserControl1.localIP = localIP;
            WindowsFormsApp2.UserControl1.clientIP = clientIP;
            WindowsFormsApp2.UserControl1.ordPort = clientport+NumberOfSupportedCameras*2+1;
            WindowsFormsApp2.UserControl1.feedPort = clientport+NumberOfSupportedCameras*2;
            WindowsFormsApp2.UserControl1.filePort = clientport+NumberOfSupportedCameras*2+2;
            

            WindowsFormsApp2.Client.localIP = localIP;
            WindowsFormsApp2.Client.clientIP = clientIP;
            WindowsFormsApp2.Client.dataPort = clientport;
            WindowsFormsApp2.Client.imagePort = clientport+NumberOfSupportedCameras;
            this.Close();
        }

        private void connection_Test(byte[] clientIP, int clientport, byte[] localIP)
        {
            
            String data = "CONNECTIONTEST:";
            data += clientIP.ToString();

            data += (clientport + NumberOfSupportedCameras * 2 + 1).ToString();
            data += ":";
            data += (clientport + NumberOfSupportedCameras * 2).ToString();
            
            SendMsg(data, clientIP, clientport + NumberOfSupportedCameras * 2 + 1);
            RecMsg(localIP, clientport + NumberOfSupportedCameras * 2);
        }

        private void test_Click(object sender, EventArgs e)
        {
            try
            {
                //获取主机名
                string HostName = Dns.GetHostName();
                IPHostEntry IpEntry = Dns.GetHostEntry(HostName);
                for (int i = 0; i < IpEntry.AddressList.Length; i++)
                {
                    //从IP地址列表中筛选出IPv4类型的IP地址
                    //AddressFamily.InterNetwork表示此IP为IPv4,
                    //AddressFamily.InterNetworkV6表示此地址为IPv6类型
                    if (IpEntry.AddressList[i].AddressFamily == AddressFamily.InterNetwork)
                    {
                        localIP = IpEntry.AddressList[i].GetAddressBytes();
                    }
                }
            }
            catch (Exception ex)
            {
                DialogResult dr = MessageBox.Show("获取本机IP失败！", "获取本机IP失败", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }

            if ((this.clientIP1.Text.Length != 0) &&
                (this.clientIP2.Text.Length != 0) &&
                (this.clientIP3.Text.Length != 0) &&
                (this.clientIP4.Text.Length != 0) &&
                (this.ClientPort.ToString().Length != 0)
                )
            {

                clientport = int.Parse(this.ClientPort.Text.ToString());

                clientIP[0] = (byte)(int.Parse(this.clientIP1.Text));
                clientIP[1] = (byte)(int.Parse(this.clientIP2.Text));
                clientIP[2] = (byte)(int.Parse(this.clientIP3.Text));
                clientIP[3] = (byte)(int.Parse(this.clientIP4.Text));
            }
            else
            {
                DialogResult dr = MessageBox.Show("输入有误，请重新输入！", "错误", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }

            connection_Test(clientIP, clientport, localIP);
        }

        public void ConnectionTesting()
        {
            connection_Test(clientIP, clientport, localIP);
        }

        public void UpdateLableStatus(string str)
        {
            label5.Text = str;
        }
        public void conf_Load()
        {
            string ReadLine;
            string Path = "IPconf.txt";
            try
            {
                StreamReader reader = new StreamReader(Path);
                while (reader.Peek() >= 0)
                {

                    ReadLine = reader.ReadLine();
                    if (ReadLine != "")
                    {
                        int index = ReadLine.IndexOf('=');
                        if(index!= -1)
                        {
                            string firststr = ReadLine.Substring(0, index);

                            if (firststr == "MonitorIP")
                            {
                                string secendstr = ReadLine.Substring(index + 1);
                                string[] ipstr = secendstr.Split(new char[] { '.' }, StringSplitOptions.RemoveEmptyEntries);
                                clientIP[0] = (byte)(int.Parse(ipstr[0]));
                                clientIP[1] = (byte)(int.Parse(ipstr[1]));
                                clientIP[2] = (byte)(int.Parse(ipstr[2]));
                                clientIP[3] = (byte)(int.Parse(ipstr[3]));
                            }
                            else if (firststr == "MonitorPort")
                            {
                                clientport = Convert.ToInt32(ReadLine.Substring(index + 1));
                            }
                        }
                    }
                }
                reader.Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }

            try
            {
                //获取主机名
                string HostName = Dns.GetHostName();
                IPHostEntry IpEntry = Dns.GetHostEntry(HostName);
                for (int i = 0; i < IpEntry.AddressList.Length; i++)
                {
                    //从IP地址列表中筛选出IPv4类型的IP地址
                    //AddressFamily.InterNetwork表示此IP为IPv4,
                    //AddressFamily.InterNetworkV6表示此地址为IPv6类型
                    if (IpEntry.AddressList[i].AddressFamily == AddressFamily.InterNetwork)
                    {
                        localIP = IpEntry.AddressList[i].GetAddressBytes();
                    }
                }
            }
            catch (Exception ex)
            {
                DialogResult dr = MessageBox.Show("获取本机IP失败！", "获取本机IP失败", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }

            WindowsFormsApp2.DialogLogin.localIP = localIP;
            WindowsFormsApp2.DialogLogin.clientIP = clientIP;
            WindowsFormsApp2.DialogLogin.ordPort = clientport + NumberOfSupportedCameras * 2 + 1;
            WindowsFormsApp2.DialogLogin.feedPort = clientport + NumberOfSupportedCameras * 2;

            WindowsFormsApp2.UserControl1.localIP = localIP;
            WindowsFormsApp2.UserControl1.clientIP = clientIP;
            WindowsFormsApp2.UserControl1.ordPort = clientport + NumberOfSupportedCameras * 2 + 1;
            WindowsFormsApp2.UserControl1.feedPort = clientport + NumberOfSupportedCameras * 2;
            WindowsFormsApp2.UserControl1.filePort = clientport+NumberOfSupportedCameras*2+2;

            WindowsFormsApp2.Client.localIP = localIP;
            WindowsFormsApp2.Client.clientIP = clientIP;
            WindowsFormsApp2.Client.dataPort = clientport;
            WindowsFormsApp2.Client.imagePort = clientport + NumberOfSupportedCameras;

            this.clientIP1.Text = clientIP[0].ToString();
            this.clientIP2.Text = clientIP[1].ToString();
            this.clientIP3.Text = clientIP[2].ToString();
            this.clientIP4.Text = clientIP[3].ToString();
            this.ClientPort.Text = clientport.ToString();
        }
    }
}