using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Networking;


namespace Multiplayer
{

    public class ServerManager : MonoBehaviour
    {

        [SerializeField]
        private bool StartOnAwake = true;

        [SerializeField]
        private int Port = 4444;


        public Dictionary<int, Player> AllPlayers;

        public NetworkServerSimple Server { get; private set; }




        private void Start()
        {
            if (StartOnAwake)
                StartServer();
        }

        [ContextMenu("Start Server")]
        public void StartServer()
        {
            StartServer(Port);
        }

        public void StartServer(int Port)
        {
            this.Port = Port;
            AllPlayers = new Dictionary<int, Player>();


            Server = new NetworkServerSimple();

            Server.RegisterHandler(MsgType.Connect, OnConnect);
            Server.RegisterHandler(MsgType.Disconnect, OnDisconnect);

            Server.Configure(ChannelConfig.DefaultTopology());

            Debug.Log("Starting Server on " + Port);
            Server.Listen(Port);
        }


        private void Update()
        {
            if (Server != null)
                Server.Update();
        }


        private void OnConnect(NetworkMessage msg)
        {
            Debug.Log("New Connection: \n Address: " + msg.conn.address + "\n ID: " + msg.conn.connectionId);
            msg.conn.Send(LoginMsgID.QueryName, new PlayerMsg((byte)msg.conn.connectionId));
        }

        private void OnDisconnect(NetworkMessage msg)
        {
            if (AllPlayers.ContainsKey(msg.conn.connectionId))
            {
                Debug.Log(AllPlayers[msg.conn.connectionId].Name + "has disconnected.");
                AllPlayers.Remove(msg.conn.connectionId);
            }
            else
                Debug.Log("Unkown player has disconnected.");
        }




    } 
}