using System.Net.Sockets;
using System.Net;
using System.Text;
using static System.Runtime.InteropServices.JavaScript.JSType;

namespace LobbyClientTest
{
    internal class FakeGameHost : IDisposable
    {
        public bool isHost = false;
        UdpClient? udpClient;
        bool running = true;

        public int Server(int port)
        {
            udpClient = new UdpClient(port);

            _ = Task.Run(() =>
            {
                Receive();
            });

            return ((IPEndPoint)udpClient.Client.LocalEndPoint!).Port;
        }

        public void Send(IPEndPoint ep, string text)
        {
            byte[] data = Encoding.ASCII.GetBytes(text);
            udpClient?.Send(data, data.Length, ep);
        }

        public void Send(IPEndPoint ep, byte[] message, int length)
        {
            udpClient?.Send(message, length, ep);
        }

        private void Receive()
        {
            try
            {
                IPEndPoint remoteEp = new IPEndPoint(IPAddress.Any, 0);

                while (running)
                {
                    var data = udpClient!.Receive(ref remoteEp);
                    Console.WriteLine($"Game {(isHost ? "host" : "client")} received: {remoteEp.ToString()}: {data.Length}, {Encoding.ASCII.GetString(data, 0, data.Length)}");
                    if (isHost)
                        Send(remoteEp, "Hello from Game Server!");
                }
            }
            catch
            {

            }
            finally
            {

            }
        }

        public void Dispose()
        {
            running = false;
            udpClient?.Dispose();
        }
    }
}