using Gee, Lm;

class ModuleIq : Module {

    const string NS_IQ_VERSION = "jabber:iq:version";

    public static delegate void Callback(string id, MessageNode request, MessageNode response);

    protected HashMap<string, Callback> callbacks;

    public ModuleIq(Config cfg, Connection conn) {

        base(cfg, conn);

        var iq_handler = new Lm.MessageHandler((handler, connection, message) => {

            var node = message.node;

            var query = node.get_child("query");

            if (query == null) return Lm.HandlerResult.ALLOW_MORE_HANDLERS;

            var from = node.get_attribute("from");

            var id = node.get_attribute("id");

            var response = new Lm.Message(from, Lm.MessageType.IQ);

            response.node.set_attribute("type","result");

            if (id!=null)

                response.node.set_attribute("id",id);

            var rquery = response.node.add_child("query",null);

            switch (query.get_attribute("xmlns")) {

                case NS_IQ_VERSION:

                    rquery.set_attribute("xmlns", NS_IQ_VERSION);

                    rquery.add_child("name", "iswydt");

                    rquery.add_child("version", IswydtVersion);

                    stderr.printf("RQ: %s\n",rquery.to_string());

                    stderr.printf("RS: %s\n",response.node.to_string());

                    this.conn.cn.send(response);

                    return Lm.HandlerResult.REMOVE_MESSAGE;

            }

            return Lm.HandlerResult.ALLOW_MORE_HANDLERS;

        }, null);

        conn.cn.register_message_handler(iq_handler, Lm.MessageType.IQ, Lm.HandlerPriority.NORMAL);

    }

    public override string name() {

        return "iq";

    }

}