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


namespace Multiplayer
{

    public class PlayersManager : MonoSingleton<PlayersManager>
    {

        public GameObject LocalPlayerPrefab;
        public GameObject RemotePlayerPrefab;

        public Vector3 mapTop;
        public Vector3 mapBot;

        private Dictionary<byte, GameObject> RemotePlayers = new Dictionary<byte, GameObject>();
        private GameObject PlayerObject;

        private void Start()
        {
            OnGameStart();
        }

        public void OnGameStart()
        {
            ClientManager.Instance.Client.RegisterHandler(PlayerMsgID.Position, RecievePosition);
            InstantaiateLocalPlayer();
        }

        public void InstantaiateLocalPlayer()
        {
            Vector3 startPos = new Vector3(Random.Range(mapBot.x, mapTop.x), Random.Range(mapBot.y, mapTop.y), Random.Range(mapBot.z, mapTop.z));
            PlayerObject = GameObject.Instantiate(LocalPlayerPrefab);
            PlayerObject.transform.position = startPos;
        }

        public void InstantiateRemotePlayer(byte playerID)
        {
            RemotePlayers.Add(playerID, Instantiate(RemotePlayerPrefab));
        }

        public void SendPosition(Vector3 position) {
            ClientManager.Instance.SendMessage(PlayerMsgID.Position, new VectorMsg(ClientManager.Instance.ID, position));
        }

        public void RecievePosition(NetworkMessage msg)
        {

            VectorMsg vectorMsg;
            if (!Utility.ReadMessage<VectorMsg>(msg, out vectorMsg))
                return;

            if (!RemotePlayers.ContainsKey(vectorMsg.ID))
                InstantiateRemotePlayer(vectorMsg.ID);

            RemotePlayers[vectorMsg.ID].transform.position = vectorMsg.vector;
        }

    } 
}