using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.Net.Sockets;
using System.IO;
using System.Threading;

namespace SweatBand
{
    class Server
    {
        private static TcpListener listener;
        private const int port = 1337;

        public static void Start()
        {
            listener = new TcpListener(IPAddress.Any, port);
            listener.Start();
            Console.WriteLine("Server started on port " + port);
            ConnectionLoop();
        }

        public static void ConnectionLoop()
        {
            while (true)
            {
                Socket client = listener.AcceptSocket();
                if (!client.Connected) return;
                ASCIIEncoding encoder = new ASCIIEncoding();
                byte[] message = new byte[4096];
                int bytesRead = 0;

                int bytes = client.Receive(message, message.Length, SocketFlags.Peek);
                bytesRead = bytes;

                //message has successfully been received
                string data = Encoding.ASCII.GetString(message, 0, bytesRead);
                Console.WriteLine(data);

                SendToBrowser("hello", ref client);

                client.Close();
            }
        }

        public static void SendToBrowser(String sData, ref Socket mySocket)
        {
            SendToBrowser(Encoding.ASCII.GetBytes(sData), ref mySocket);
        }


        public static void SendToBrowser(Byte[] bSendData, ref Socket mySocket)
        {
            int numBytes = 0;
            try
            {
                if (mySocket.Connected)
                {
                    if ((numBytes = mySocket.Send(bSendData,
                          bSendData.Length, 0)) == -1)
                        Console.WriteLine("Socket Error cannot Send Packet");
                    else
                    {
                        Console.WriteLine("No. of bytes send {0}", numBytes);
                    }
                }
                else
                    Console.WriteLine("Connection Dropped....");
            }
            catch (Exception e)
            {
                Console.WriteLine("Error Occurred : {0} ", e);
            }
        }
    }
}