/*
 * Created by victoria on 2021-05-13.
 */

#include "conversations.h"

#include "qomemo/device.h"
#include "shared/qxmppfactories.h"

#include <QXmppIq.h>

using namespace QXmpp::Omemo;
using namespace QXmpp::Factories;

QXmppElement Variant::Conversations::deviceToXml(const Device &device) {
  auto result = createElement("device");
  result.setAttribute("id", QString::number(device.id));

  return result;
}

Device Variant::Conversations::deviceFromXml(const QXmppElement &xml) {
  Device result{};

  if (!elementMatches(xml, "device"))
    return result;

  result.id = xml.attribute("id").toInt();

  return result;
}

QXmppElement
Variant::Conversations::deviceListToXml(const DeviceList &deviceList) {
  auto element = createElement("list", "eu.siacs.conversations.axolotl");

  for (const auto &device : deviceList.devices) {
    element.appendChild(deviceToXml(device));
  }

  return element;
}

DeviceList Variant::Conversations::deviceListFromXml(const QXmppElement &xml) {
  DeviceList result{};

  if (!elementMatches(xml, "list", "eu.siacs.conversations.axolotl"))
    return result;

  auto deviceElement = xml.firstChildElement("device");
  while (!deviceElement.isNull()) {
    result.devices.push_back(deviceFromXml(deviceElement));
    deviceElement = deviceElement.nextSiblingElement("device");
  }

  return result;
}

QXmppIq Variant::Conversations::deviceListSetIq(const DeviceList &deviceList) {
  QXmppIq iq{};

  iq.setType(QXmppIq::Set);

  auto item = createElement("item");
  item.appendChild(deviceListToXml(deviceList));

  auto publish = createElement("publish");
  publish.setAttribute("node", "eu.siacs.conversations.axolotl.devicelist");
  publish.appendChild(item);

  auto pubSub = createElement("pubsub", "http://jabber.org/protocol/pubsub");
  pubSub.appendChild(publish);
  pubSub.appendChild(createOpenPublishOptions());

  iq.extensions().push_back(pubSub);

  return iq;
}