using log4net;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace bsmd.AIS2Service
{
    internal class SerialTCPReader : IAISThread
    {
        private readonly string _host;
        private readonly uint _port;

        private NetworkStream tcpStream;
        private TcpClient tcpSocket;
        private Thread _thread;

        private static readonly ILog _log = LogManager.GetLogger(typeof(SerialTCPReader));


        public SerialTCPReader(string host, uint port)
        {
            _host = host; _port = port;
        }

        private void ReadData()
        {
            try
            {
                while (true)
                {
                    if (this.tcpSocket == null || !this.tcpSocket.Connected) this.Connect();
                    

                }
            }

            catch(Exception ex)
            {
                _log.ErrorFormat("Something bad has happened: {0}", ex.Message);
                if(this.FatalErrorOccurred != null)
                    this.FatalErrorOccurred(this, new EventArgs());
            }
            
        }

        private void Connect()
        {            
            this.tcpSocket = new TcpClient(_host, (int)_port);
            this.tcpStream = tcpSocket.GetStream();
            _log.InfoFormat("TCP stream connected ({0}:{1})", _host, _port);
        }

        

        #region IAISThread implementation

        public event EventHandler FatalErrorOccurred;

        public void Start()
        {
            if (_thread != null) return; // may not run twice
            ThreadStart runReader = new ThreadStart(this.ReadData);
            _thread = new Thread(runReader);

            
        }

        public void Stop()
        {
            
        }

        #endregion

    }
}