using System;
using System.Collections.Generic;
using LiteNetLib;

using Syntriax.Engine.Core;
using Syntriax.Engine.Core.Abstract;

namespace Pong.Network;

public class NetworkServer : BehaviourOverride, INetworkServer
{
    public string Password { get; private set; } = string.Empty;
    public int MaxConnectionCount { get; private set; } = 0;
    public int Port { get; private set; } = 8888;

    public EventBasedNetListener Listener { get; private set; } = null!;
    public NetManager Manager { get; private set; } = null!;

    public NetworkServer()
    {
        Priority = 10;

        Listener = new EventBasedNetListener();
        Manager = new NetManager(Listener);

        Listener.ConnectionRequestEvent += request =>
        {
            if (Manager.ConnectedPeersCount < MaxConnectionCount)
                request.AcceptIfKey(Password);
            else
                request.Reject();
        };
    }

    public void Start(int port, int maxConnectionCount, string? password = null)
    {
        Password = password ?? string.Empty;
        MaxConnectionCount = maxConnectionCount;
        Port = port;

        Manager.Start(port);
    }

    public void PollEvents() => Manager.PollEvents();
    public void Stop() => Manager.Stop();

    protected override void OnUpdate() => PollEvents();
    protected override void OnFinalize() => Stop();
}