using System.Collections.Generic;
using System.Net;
using System.Net.Sockets;
using UnityEngine.Events;
using UnityEngine;
using FishNet.Transporting;
using FishNet.Transporting.Multipass;

namespace FishBait
{
    public partial class FishBaitTransport : Transport
    {
        // Connection/auth variables
        [Tooltip("Transport to use.")]
        [SerializeField]
        public Transport transport;
        public string serverIP = null;
        public ushort serverPort = 7777;
        public ushort endpointServerPort = 8080;
        public float heartBeatInterval = 3;
        public bool connectOnAwake = true;
        public string authenticationKey = "Secret Auth Key";

        public UnityEvent disconnectedFromRelay;
        public UnityEvent connectedToRelay;

        // NAT Puncher variables
        public bool useNATPunch = false;
        public int NATPunchtroughPort = -1;
        private const int NAT_PUNCH_ATTEMPTS = 3;

        // LLB variables (LRM Load Balancer)
        public bool useLoadBalancer = false;
        public ushort loadBalancerPort = 7070;
        public string loadBalancerAddress = null;

        // Server hosting variables
        public string serverName = "My awesome server!";
        public string extraServerData = "Map 1";
        public int maxServerPlayers = 10;
        public bool isPublicServer = true;

        private const string LOCALHOST = "127.0.0.1";

        // Server list variables
        public UnityEvent serverListUpdated;
        public List<Room> relayServerList { private set; get; } = new List<Room>();

        // Current Server Information
        public string serverStatus = "Not Started.";
        public string serverId = string.Empty;

        private FishBaitDirectConnectModule _directConnectModule;

        public FishBaitRegions region = FishBaitRegions.NorthAmerica;
        private byte[] _clientSendBuffer;
        private bool _connectedToRelay = false;
        private bool _isClient = false;
        private bool _isServer = false;
        private bool _directConnected = false;
        private bool _isAuthenticated = false;
        private int _currentMemberId;
        private bool _callbacksInitialized = false;
        private string _cachedHostID;
        private UdpClient _NATPuncher;
        private IPEndPoint _NATIP;
        private IPEndPoint _relayPuncherIP;
        private byte[] _punchData = new byte[1] { 1 };
        private IPEndPoint _directConnectEndpoint;
        private SocketProxy _clientProxy;
        private BiDictionary<IPEndPoint, SocketProxy> _serverProxies = new BiDictionary<IPEndPoint, SocketProxy>();
        private BiDictionary<int, int> _connectedRelayClients = new BiDictionary<int, int>();
        private BiDictionary<int, int> _connectedDirectClients = new BiDictionary<int, int>();
        private bool _serverListUpdated = false;
    }

    public enum FishBaitRegions { Any, NorthAmerica, SouthAmerica, Europe, Asia, Africa, Oceania }
}