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

namespace KairoEngine.Multiplayer
{
    /// <summary>Network message sent from the server to alert clients that a peer has disconnected.</summary>
    public class NetClientDisconnectedMsg : NetMsg
    {
        public override uint code { get { return (uint)NetOpCode.ClientDisconnected; }}
        public string playerName = "";
        public NetClientDisconnectedMsg() {}

        public override void Serialize(ref DataStreamWriter writer)
        {
            writer.WriteByte((byte)code);
            writer.WriteFixedString64(playerName);
        }

        public override void Deserialize(ref DataStreamReader reader)
        {
            playerName = reader.ReadFixedString64().ToString();
        }

        public override void SendMessage(ServerBehaviour server, NetMsg netMsg, ref DataStreamWriter writer,  int clientId) 
        {
            if(server == null) return;
            NetClientConnectedMsg netClientConnectedMsg = (NetClientConnectedMsg)netMsg;
            string text = $"Alerting clients of new connection (playerName = {netClientConnectedMsg.playerName})";
            if(server.debug) Debug.Log(text);
            NetMsgEvents.Trigger($"{server.eventStreamName}_SendingClientConnectedMsg", text, clientId, code, netClientConnectedMsg);
            netClientConnectedMsg.Serialize(ref writer);
        }

        public override NetMsg ReceiveMessage(ServerBehaviour server, ref DataStreamReader stream, int clientId = -1) 
        {
            NetClientDisconnectedMsg netClientDisconnectedMsg = new NetClientDisconnectedMsg();
            netClientDisconnectedMsg.Deserialize(ref stream);
            return netClientDisconnectedMsg;
        }

        public override NetMsg ReceiveMessage(ClientBehaviour client, ref DataStreamReader stream) 
        {
            NetClientDisconnectedMsg netClientDisconnectedMsg = new NetClientDisconnectedMsg();
            netClientDisconnectedMsg.Deserialize(ref stream);
            return netClientDisconnectedMsg;
        }

        public override void ReadMessage(ClientBehaviour client) 
        {
            string text = $"Peer disconnected to server (playerName = {playerName})";
            if(client.debug) Debug.Log(text);
            NetMsgEvents.Trigger($"{client.eventStreamName}_PeerDisconnected", text, -1, code, this);
        }
    }
}