using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using KairoEngine.Core;
using Sirenix.OdinInspector;

namespace KairoEngine.Multiplayer
{
    public enum ServerState
    {
        Offline,
        Online    
    }

    [HideMonoScript]
    public class ServerStatus : MonoBehaviour
    {
        public ServerBehaviour server;
        [ReadOnly] public ServerState state;
        [ReadOnly] public int clientCount;
        [ReadOnly] public int maxClients;
        [ReadOnly] public float uptime = 0;
        [ReadOnly] public int tick = 0;
        [ReadOnly] public string ipAddress;
        [ReadOnly] public int packetsSent;
        [ReadOnly] public int packetsReceived;

        private void OnEnable()
        {
            NetMsgEvents.StartListening($"{server.eventStreamName}_InvalidOpCode", OnReceivePacket);
            NetMsgEvents.StartListening($"{server.eventStreamName}_SendingDisconnectMessageToClient", OnSentPacket);
            NetMsgEvents.StartListening($"{server.eventStreamName}_ClientDisconnect", OnReceivePacket);
            NetMsgEvents.StartListening($"{server.eventStreamName}_HandshakeReceived", OnReceivePacket);
            NetMsgEvents.StartListening($"{server.eventStreamName}_AcceptingHandshake", OnSentPacket);
            NetMsgEvents.StartListening($"{server.eventStreamName}_PingSent", OnSentPacket);
            NetMsgEvents.StartListening($"{server.eventStreamName}_PongReceived", OnReceivePacket);
            GenericEvents.StartListening($"{server.eventStreamName}_OnTick", OnTick);
        }

        private void OnDisable()
        {
            NetMsgEvents.StopListening($"{server.eventStreamName}_InvalidOpCode", OnReceivePacket);
            NetMsgEvents.StopListening($"{server.eventStreamName}_SendingDisconnectMessageToClient", OnSentPacket);
            NetMsgEvents.StopListening($"{server.eventStreamName}_ClientDisconnect", OnReceivePacket);
            NetMsgEvents.StopListening($"{server.eventStreamName}_HandshakeReceived", OnReceivePacket);
            NetMsgEvents.StopListening($"{server.eventStreamName}_AcceptingHandshake", OnSentPacket);
            NetMsgEvents.StopListening($"{server.eventStreamName}_PingSent", OnSentPacket);
            NetMsgEvents.StopListening($"{server.eventStreamName}_PongReceived", OnReceivePacket);
            GenericEvents.StopListening($"{server.eventStreamName}_OnTick", OnTick);
        }

        private void Update()
        {
            if(server.m_Driver.IsCreated == false)
            {
                state = ServerState.Offline;
                clientCount = 0;
                uptime = 0;
                packetsSent = 0;
                packetsReceived = 0;
            }
            else
            {
                state = ServerState.Online;
                clientCount = 0;
                for (int i = 0; i < server.m_Connections.Length; i++)
                {
                    if(server.m_Connections[i].IsCreated) clientCount += 1;
                }
                uptime += Time.deltaTime;
            }
            maxClients = server.players;
        }

        private void OnSentPacket(string text, int clientId, uint code, NetMsg netMsg) => packetsSent += 1;

        private void OnReceivePacket(string text, int clientId, uint code, NetMsg netMsg) => packetsReceived += 1;

        private void OnTick(int newTick) => tick = newTick;
    }
}