using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Sockets;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Net;
using System.IO;
using System.Threading;
using System.Net.NetworkInformation;

namespace go01
{
    public class socketPlateauSRV : socketPlateauBase
    {
        System.Threading.Timer timerBroadcast;
        System.Runtime.Serialization.Formatters.Binary.BinaryFormatter binaryFormatter = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();


        #region event
        public delegate void OnJoinServ(object myObject, socketPlateauServJoinArgs myArgs);
        public event OnJoinServ onJoinServ;
        public delegate void OnJoinACK(object myObject, socketPlateauServACKArgs myArgs);
        public event OnJoinACK onJoinACK;
        public delegate void OnDemandeCo(object myObject, socketPlateauServDemandeCo myArgs);
        public event OnDemandeCo onDemandeCo;
        public delegate void OnReceived(object myObject, socketPlateauServReception myArgs);
        public event OnReceived onReceived;
        #endregion
        public socketPlateauSRV(ConfigGo_S cfgGo, Goban g) : base(TypeSocket_E.Serveur, cfgGo, g)
        {

        }
        public socketPlateauSRV(ConfigGo_S cfgGo, Goban g, OnJoinACK onJoinACK) : this(cfgGo, g)
        {
            this.onJoinACK += onJoinACK;
        }
        public void AttenteJoueur()
        {
            if (base.socFlag != TypeSocket_E.Serveur)
                return;
            var startTimeSpan = TimeSpan.Zero;
            var periodTimeSpan = TimeSpan.FromSeconds(5);

            timerBroadcast = new System.Threading.Timer((ee) =>
            {
                if (socFlag != TypeSocket_E.Serveur)
                    return;
                var Client = new UdpClient();
                using (MemoryStream ms = new MemoryStream())
                {
                    binaryFormatter.Serialize(ms, cfgGo);
                    Client.EnableBroadcast = true;
                    byte[] RequestData = ms.ToArray();
                    Client.Send(RequestData, RequestData.Length, new IPEndPoint(IPAddress.Broadcast, 8888));

                }
                // byte[] RequestData = { }; /*= Encoding.ASCII.GetBytes($"{cfgGo.Uid};{cfgGo.PartName};{cfgGo.NomJoeurAdverse};{cfgGo.Taille};{cfgGo.PionaAligner}");*/;
                Client.Close();
            }, null, startTimeSpan, periodTimeSpan);

            socFlag = TypeSocket_E.Serveur;
            socServ = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

            socServ.Bind(new IPEndPoint(adresseIpCourante, port));
            socServ.Listen(1);
            socServ.BeginAccept(new AsyncCallback(SurDemandeDeCo), socServ);
        }
        private void SurDemandeDeCo(IAsyncResult iAR)
        {
            onDemandeCo(this, new socketPlateauServDemandeCo());
            if (socFlag == TypeSocket_E.Serveur && !connexionEtablie)
            {
                Socket sTmp = (Socket)iAR.AsyncState;
                socCli = sTmp.EndAccept(iAR);

#if DEBUG
                Console.WriteLine($"Connexion effectuée par {((IPEndPoint)socCli.RemoteEndPoint).Address}");
#endif
                connexionEtablie = true;
                timerBroadcast.Dispose();
                InitialiserReception(socCli);
            }
            else if (socFlag == TypeSocket_E.Serveur && connexionEtablie)
            {
                Socket sTmp = (Socket)iAR.AsyncState;
                socCli = sTmp.EndAccept(iAR);
                socCli.Send(Encoding.Unicode.GetBytes("Serveur en cours de partie !"));
                socCli.Close();
            }
        }
        protected override void InitialiserReception(Socket sArg)
        {
            var netStream = new NetworkStream(sArg, true);
            var binaryFormatter = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
            CommandeSocket_S cmd = (CommandeSocket_S)binaryFormatter.Deserialize(netStream);
            onReceived(this, new socketPlateauServReception(cmd));
        }
    }
}