// Copyright 2018 RED Software, LLC. All Rights Reserved.

using IgniteEngine;
using IgniteEngine.Networking;
using IgniteEngine.Protocols;

namespace LoginServer.Handlers
{
    internal static class MiscHandlers
    {
        internal static void NC_MISC_S2SCONNECTION_REQ(NetworkMessage message, NetworkConnection connection)
        {
            var from = message.ReadByte();
            var to = message.ReadByte();
            var worldNumber = message.ReadByte();
            var worldName = message.ReadString(20);
            var unused = message.ReadByte();
            var ip = message.ReadString(16);
            var port = message.ReadUInt16();
            var key = message.ReadUInt16();

            if (key != from + to)
            {
                Debug.LogWarning("Invalid key used with S2S connection.");
                connection.Disconnect();
                return;
            }

            if ((NetworkConnectionType)from == NetworkConnectionType.NCT_WORLDMANAGER)
            {
                if (Program.Worlds.Exists(world => world.Connection == connection || world.Number == worldNumber))
                {
                    return;
                }

                Program.Worlds.Add(new World(connection, worldName, worldNumber, ip, port));
                new PROTO_NC_MISC_S2SCONNECTION_ACK().Send(connection);
            }
        }
    }
}