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

namespace KairoEngine.Multiplayer
{
    public class NetHandshakeMsg : NetMsg
    {
        public override uint code { get { return (uint)NetOpCode.Handshake; }}
        public string playerName = "";
        public NetHandshakeMsg() {}

        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;
            NetHandshakeMsg netHandshakeMsg = (NetHandshakeMsg)netMsg;
            string text = $"Accepting handshake from client (ID {clientId}, playerName = {netHandshakeMsg.playerName})";
            if(server.debug) Debug.Log(text);
            NetMsgEvents.Trigger($"{server.eventStreamName}_AcceptingHandshake", text, clientId, code, netHandshakeMsg);
            netHandshakeMsg.Serialize(ref writer);
        }

        public override void SendMessage(ClientBehaviour client, NetMsg netMsg, ref DataStreamWriter writer ) 
        {
            if(client == null) return;
            NetHandshakeMsg netHandshakeMsg = (NetHandshakeMsg)netMsg;
            string text = $"Sending handshake (playerName = {netHandshakeMsg.playerName})";
            if(client.debug) Debug.Log(text);
            NetMsgEvents.Trigger($"{client.eventStreamName}_SendingHandshake", text, -1, code, netHandshakeMsg);
            netHandshakeMsg.Serialize(ref writer);
        }

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

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

        public override void ReadMessage(ServerBehaviour server, int clientId = -1) 
        {
            string text = $"Received handshake from client (ID {clientId}, playerName = {playerName})";
            if(server.debug) Debug.Log(text);
            NetMsgEvents.Trigger($"{server.eventStreamName}_HandshakeReceived", text, clientId, code, this);
        }

        public override void ReadMessage(ClientBehaviour client) 
        {
            string text = $"Server accepted handshake (playerName = {playerName})";
            if(client.debug) Debug.Log(text);
            NetMsgEvents.Trigger($"{client.eventStreamName}_HandshakeAccepted", text, -1, code, this);
        }
    }
}