using System;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Windows.Forms;
using Newtonsoft.Json;

namespace Million_Update_Server
{
    public partial class Form1 : Form
    {
        string log = "";
        private TcpListener tcpListener;
        private Thread listenThread = null;
        IPAddress ipAddress = IPAddress.Parse("172.30.1.56");
        int port = 6666;
        public Form1()
        {
            InitializeComponent();
        }

        private void writeLog(string text)
        {
            log = text+"\r\n" + log;

            Invoke(new MethodInvoker(delegate ()
            {
                textBox_log.Text = log;
            }));
        }

        private void button_ServerStart_Click(object sender, System.EventArgs e)
        {
            if(listenThread != null && listenThread.IsAlive)
            {
                writeLog("이미 실행중입니다.");
                return;
            }
            // TcpListener 객체 생성
            this.tcpListener = new TcpListener(ipAddress, port);
            this.listenThread = new Thread(new ThreadStart(ListenForClients));
            this.listenThread.Start();
            writeLog("서버 활성화 합니다.");
        }

        private void ListenForClients()
        {
            this.tcpListener.Start();

            while (true)
            {
                // 클라이언트 접속 대기
                TcpClient client = this.tcpListener.AcceptTcpClient();

                // 새로운 클라이언트가 접속했을 때 처리
                Thread clientThread = new Thread(new ParameterizedThreadStart(HandleClientComm));
                clientThread.Start(client);
            }
        }

        private void HandleClientComm(object client)
        {
            TcpClient tcpClient = (TcpClient)client;
            NetworkStream clientStream = tcpClient.GetStream();

            try
            {
                string data = "";
                do
                {
                    byte[] buffer = new byte[tcpClient.ReceiveBufferSize];
                    int bytesRead = clientStream.Read(buffer, 0, buffer.Length);
                    data += Encoding.UTF8.GetString(buffer, 0, bytesRead);
                } while (clientStream.DataAvailable);

                //var receivedPeople = JsonConvert.DeserializeObject<Million.SaveData.SavedResultData>(data);



            }
            catch (Exception ex)
            {
                // 예외 발생 시 에러 메시지 출력
                Console.WriteLine("Error: " + ex.Message);
            }

            // 클라이언트 연결 종료
            tcpClient.Close();
        }
    }
}