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.IO;
using System.Threading;

namespace _1464
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private static string messages = "";
        private TcpListener tcple;
        private Thread td;
        private TcpClient tcpct;
        private void lisener()
        {
            IPAddress[] ips = Dns.GetHostAddresses("127.0.0.1");
            IPAddress ip = ips[0];
            tcple = new TcpListener(ip,2000);
            tcple.Start();
            while (true)
            {
                try
                {
                    tcpct = tcple.AcceptTcpClient();
                    NetworkStream netwstrm = tcpct.GetStream();
                    StreamReader reader = new StreamReader(netwstrm);
                    messages = reader.ReadToEnd().ToString();
                    reader.Close();
                }
                catch { }
               }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            td = new Thread(new ThreadStart(lisener));
            td.Start();
            timer1.Start();
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            if (messages != "")
            {
                richTextBox1.AppendText("´Ó»ú:  " + messages + " (" + DateTime.Now.ToString("HH:mm:ss") + ")" + "\n");
            richTextBox1.ScrollToCaret();
            messages = "";
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                NetworkStream nstrm = tcpct.GetStream();
                StreamWriter writers = new StreamWriter(nstrm);
                writers.Write(richTextBox2.Text);
                writers.Flush();
                writers.Close();
                richTextBox1.AppendText("Ö÷»ú:  " + richTextBox2.Text.ToString() + " (" + DateTime.Now.ToString("HH:mm:ss")+")" + "\n");
                richTextBox1.ScrollToCaret();
                richTextBox2.Clear();

            }
            catch 
            { }
        }

        private void richTextBox2_KeyPress(object sender, KeyPressEventArgs e)
        {
            if(e.KeyChar=='\r')
            { button1_Click(sender,e); }
        }

        private void Form1_FormClosed(object sender, FormClosedEventArgs e)
        {
            if (tcple != null)
            { tcple.Stop(); }
            if (td != null)
            {
                if (td.ThreadState == ThreadState.Running)
                { td.Abort(); }
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }
    }
}