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

#pragma once

#include <optional>

class QString;
class QXmppElement;
class QXmppIq;

namespace QXmpp::Omemo {

    class PreKey;
    class Bundle;
    class Device;
    class DeviceList;

    namespace Variant {

        class Base {
        public:
            virtual ~Base() = default;

            virtual QXmppElement deviceToXml(const Device &device) = 0;
            virtual Device deviceFromXml(const QXmppElement &xml) = 0;

            [[nodiscard]] virtual QString getDeviceListNode() const = 0;
            virtual QXmppElement deviceListToXml(const DeviceList &deviceList) = 0;
            virtual std::optional<DeviceList> latestDeviceListFromPubSubNode(const QXmppElement &xml) = 0;
            virtual QXmppIq deviceListSetIq(const DeviceList &deviceList) = 0;

            virtual QXmppElement preKeyToXml(const PreKey &pk) = 0;
            virtual std::optional<PreKey> preKeyFromXml(const QXmppElement &xml) = 0;

            virtual QXmppElement bundleToXml(const Bundle& bundle) = 0;
            virtual std::optional<Bundle> bundleFromXml(const QXmppElement& xml) = 0;

            virtual QXmppIq bundleSetIq(int deviceId, const Bundle& bundle) = 0;
        };

    } // namespace Variant

} // namespace QXmpp::Omemo