using System;
using System.Net;
using System.Numerics;
using System.Threading;
using System.Threading.Tasks;

namespace Mistox.Client {
    public class mUDPClient : IDisposable {

        public string UserName { get; set; } = "";                          // The remote players UserName
        public bool WithinRange { get; set; } = true;                       // Is the user close enough?
        public Vector3 Position { get; set; }                               // The remote location of the player

        private IPEndPoint _remoteHost { get; set; }                        // The remote IP Address
        private readonly SemaphoreSlim _sendLock = new SemaphoreSlim(1, 1);
        private readonly MistoxClient _parent;

        public mUDPClient( MistoxClient parent, IPEndPoint remoteHost ) {
            _parent = parent;
            _remoteHost = remoteHost;
            _parent.Alive = true;
        }

        public async Task Send<T>( T Data ) {
            byte[] byteData = DataPacket.Serialize( Data );
            await _sendLock.WaitAsync();
            try {
                await _parent.ClientSocket.SendAsync( byteData, byteData.Length, _remoteHost );
            } finally {
                _sendLock.Release();
            }
        }

        public void Dispose() {
            _parent.Alive = false;
            _parent.ClientSocket.Close();
            _parent.ClientSocket.Dispose();
        }
    }
}