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.Sockets;
using System.IO;
using System.Net;
using System.Threading;


namespace TcpClientTutorial
{
    public partial class Form1 : Form
    {

        TcpClient client;
        public Form1()
        {
            InitializeComponent();
        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {

        }
        bool SocketConnected(Socket s)
            {
                bool part1 = s.Poll(1000, SelectMode.SelectRead);
                bool part2 = (s.Available == 0);
                if (part1 && part2)
                    return false;
                else
                    return true;
            }

        private void button1_Click(object sender, EventArgs e)
        {
            Thread mThread = new Thread(new ThreadStart(ConnectAsClient));
            mThread.Start();
        }




        private void ConnectAsClient()
        {
            //                 aici putem inlocui cu adresa de IP dorita
            //client.Connect(IPAddress.Parse(textBox.Text), 5004);
            client = new TcpClient();
            //client.Connect(IPAddress.Parse("127.0.0.1"), 2016);     // for when I'm not connected to network
            client.Connect(IPAddress.Parse("my_ip_here"), 2016);   // for when I am connected to network
            updateUI("connected");
            NetworkStream stream = client.GetStream();
            string s = "Hello world!";
            byte[] message = Encoding.ASCII.GetBytes(s);
            stream.Write(message, 0, message.Length);
            this.updateUI("Message sent!");
            //stream.Close();
           // client.Close();
        }

        private void updateUI(string s)
        {
            Func<int> del = delegate ()
            {
                textBox1.AppendText(s + System.Environment.NewLine);
                return 0;
            };
            Invoke(del);
        }

        private void button2_Click(object sender, EventArgs e)
        {
        }

        private void button3_Click(object sender, EventArgs e)
        {
            NetworkStream stream = client.GetStream();
            string s = "Hello world!";
            byte[] message = Encoding.ASCII.GetBytes(s);
            stream.Write(message, 0, message.Length);
            this.updateUI("Message sent!");
        }
    }
}