using System;
using System.Net;
using System.Net.Sockets;
using LiteNetLib;
using Unity.Collections.LowLevel.Unsafe;
using UnityEngine;

public class TestDataPublisher : MonoBehaviour, INetEventListener
{
    private NetManager _client;
    [SerializeField]
    private int _count;
    private byte[] _data;

    // Start is called before the first frame update
    void Start()
    {
        this._client = new NetManager(this);
        this._client.Start();
        this._client.Connect("localhost" /* host ip or name */, 9050 /* port */, "SomeConnectionKey" /* text key or NetDataWriter */);

        _data = new byte[this._count];
        for (var i = 0; i < this._count; i++)
        {
            _data[i] = (byte)(i % 255);
        }
    }

    // Update is called once per frame
    unsafe void Update()
    {
        if (_client != null)
        {
            _client.PollEvents();
            if (Time.frameCount % 10 == 0)
            {
                DateTime dateTime = DateTime.Now;
                var dest = UnsafeUtility.PinGCArrayAndGetDataAddress(this._data, out var handle);
                try
                {
                    UnsafeUtility.MemCpy(dest, &dateTime, sizeof(DateTime));
                    this._client.SendToAll(this._data, DeliveryMethod.ReliableOrdered);
                }
                finally
                {
                    UnsafeUtility.ReleaseGCObject(handle);
                }
            }
        }
    }

    private void OnDestroy()
    {
        _client.Stop();
    }

    public void OnPeerConnected(NetPeer peer)
    {
        Debug.Log($"[{nameof(OnPeerConnected)}]{peer.Address}:{peer.Port}");
    }

    public void OnPeerDisconnected(NetPeer peer, DisconnectInfo disconnectInfo)
    {
        Debug.Log($"[{nameof(OnPeerDisconnected)}]{peer.Address}:{peer.Port}");
    }

    public void OnNetworkError(IPEndPoint endPoint, SocketError socketError)
    {
        Debug.Log($"[{nameof(OnNetworkError)}]{endPoint.Address}:{endPoint.Port} {socketError}");
    }

    public void OnNetworkReceive(NetPeer peer, NetPacketReader reader, byte channelNumber, DeliveryMethod deliveryMethod)
    {
        Debug.Log($"[{nameof(OnNetworkReceive)}]{peer.Address}:{peer.Port}");
        reader.Recycle();
    }

    public void OnNetworkReceiveUnconnected(IPEndPoint remoteEndPoint, NetPacketReader reader, UnconnectedMessageType messageType)
    {
        Debug.Log($"[{nameof(OnNetworkReceiveUnconnected)}]{remoteEndPoint.Address}:{remoteEndPoint.Port} {messageType}");
    }

    public void OnNetworkLatencyUpdate(NetPeer peer, int latency)
    {
        Debug.Log($"[{nameof(OnNetworkLatencyUpdate)}]{peer.Address}:{peer.Port}");
    }

    public void OnConnectionRequest(ConnectionRequest request)
    {
        Debug.Log($"[{nameof(OnConnectionRequest)}]{request.RemoteEndPoint.Address}:{request.RemoteEndPoint.Port}");
    }
}