using System;
using System.Windows;
using System.Net.Sockets;
using System.Net;
using System.Threading;
using System.Timers;

namespace BfmeServer
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {

        TcpListener server;
        bool running = false;
        Thread thread;
        string log;
        System.Timers.Timer timer;
        Object mutex = new Object();
        Object mutex2 = new Object();
        bool GetRunning()
        {
            lock(mutex)
            {
                return running;
            }
        }

        void SetRunning(bool b)
        {
            lock (mutex)
            {
                running = b;
            }
        }

        string GetLog()
        {
            lock (mutex2)
            {
                return log;
            }
        }

        public MainWindow()
        {
            InitializeComponent();
            timer = new System.Timers.Timer(1000);

            timer.Elapsed += new ElapsedEventHandler(OnTimedEvent);
            timer.AutoReset = true;
            timer.Start();
        }

        void LogLine(string msg,ref string log)
        {
            lock(mutex2)
            {
                log += msg;
                log += "\n";
            }
        }

        void RunServer()
        {
            LogLine("Running Server!",ref log);
            Int32 port = 80;
            IPAddress localAddr = IPAddress.Parse("127.0.0.1");

            server = new TcpListener(localAddr, port);

            server.Start();

            Byte[] bytes = new Byte[256];

            while (GetRunning())
            {
                LogLine("Waiting for a connection... ",ref log);

                TcpClient client = server.AcceptTcpClient();
                LogLine("Connected!",ref log);

                NetworkStream stream = client.GetStream();

                client.Close();
            }

            LogLine("Shutdown Server!",ref log);
            server.Stop();
        }


        private void but_start_Click(object sender, RoutedEventArgs e)
        {
            but_start.IsEnabled = false;
            but_stop.IsEnabled = true;
            SetRunning(true);
            thread = new Thread(RunServer);
            thread.Start();
        }

        private void but_stop_Click(object sender, RoutedEventArgs e)
        {
            but_start.IsEnabled = true;
            but_stop.IsEnabled = false;
            SetRunning(false);
            thread.Join();
        }

        private void OnTimedEvent(object source, ElapsedEventArgs e)
        {
            textBox.Text = log;
        }
    }
}