/*
 * Created by victoria on 2021-05-12.
 */

#include "qxmpp_omemo_manager.h"

#include <QDomElement>

#include <QXmppClient.h>
#include <QXmppPubSubIq.h>
#include <iostream>

QXmpp::Omemo::Manager::Manager() : deviceService(new QXmpp::Omemo::DeviceService(this)) {
  connect(this, &Manager::deviceListReceived, deviceService.get(), &DeviceService::onDeviceListReceived);
}

bool QXmpp::Omemo::Manager::handleStanza(const QDomElement &stanza) {
  QString str{};
  QTextStream info(&str);
  stanza.save(info, 4);

  std::cout << str.toStdString();

  if (stanza.tagName() == "iq") {
    if (stanza.attribute("type") == "result") {
      auto pubsub = stanza.firstChildElement("pubsub");
      if (!pubsub.isNull()) {
        auto items = pubsub.firstChildElement("items");
        if (items.attribute("node") == "eu.siacs.conversations.axolotl.devicelist") {
          auto item = items.firstChildElement("item");
          if (!item.isNull()) {
            auto list = item.firstChildElement("list");
            if (!list.isNull()) {
              DeviceList deviceList{};
              deviceList.fromXml(list);
              emit deviceListReceived(stanza.attribute("from"), deviceList);

              return true;
            }
          }
        }
      }
    }
  }

  return false;
}

void QXmpp::Omemo::Manager::setClient(QXmppClient *client) {
  QXmppClientExtension::setClient(client);

  if (!client)
    return;

  QObject::connect(client, &QXmppClient::connected, this, &Manager::fetchOwnDevices);
}

void QXmpp::Omemo::Manager::fetchOwnDevices() {
  QXmppPubSubIq iq{};
  iq.setFrom(client()->configuration().jid());
  iq.setTo(client()->configuration().jidBare());
  iq.setType(QXmppIq::Get);
  iq.setQueryNode("eu.siacs.conversations.axolotl.devicelist");

  client()->sendPacket(iq);
}