using UnityEngine;
using System;
using System.Net;
using System.Net.Sockets;
using System.Text;

namespace NeonTea.Quakeball.Net.Endpoint {
    public class Client : AbstractEndpoint {
        public override UdpClient UdpClient {
            get { return InnerClient; }
        }

        private Connection Connection;
        private UdpClient InnerClient;

        public override void Start(string host, int port) {
            InnerClient = new UdpClient(0);

            try {
                Connection = new Connection(new IPEndPoint(FindAddress(host), port), 0);
            } catch (Exception e) {
                Debug.Log($"Failed to create initial connection: {e.ToString()}");
                Network.Singleton.Stop();
            }
            StartListen(Connection);
            SendBytes(Encoding.UTF8.GetBytes("Hello! This is testing."));

            Debug.Log($"Client started at {host}:{port}!");
        }

        public void OnStop() {
            Connection.ShouldExist = false;
        }

        public override void ConnectionClosed(Connection conn, ClosingReason reason) {
            if (Connection == conn) { // Make sure the closed connection is this one
                Debug.Log($"Closing client. Connection was closed: {reason.Description}");
                Network.Singleton.Stop();
            }
        }

        private void SendBytes(Byte[] bytes) {
            UdpClient.Send(bytes, bytes.Length, Connection.Endpoint);
        }
    }
}