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// SPDX-FileCopyrightText: 2021 Linus Jahn <lnj@kaidan.im>
//
// SPDX-License-Identifier: LGPL-2.1-or-later
#ifndef QXMPPE2EEEXTENSION_H
#define QXMPPE2EEEXTENSION_H
#include "QXmppError.h"
#include "QXmppExtension.h"
#include "QXmppSendResult.h"
#include "QXmppSendStanzaParams.h"
#include <memory>
#include <optional>
class QDomElement;
class QXmppMessage;
class QXmppIq;
template<typename T>
class QXmppTask;
class QXmppE2eeExtension : public QXmppExtension
{
public:
struct NotEncrypted
{
};
using MessageEncryptResult = std::variant<std::unique_ptr<QXmppMessage>, QXmppError>;
using MessageDecryptResult = std::variant<QXmppMessage, NotEncrypted, QXmppError>;
using IqEncryptResult = std::variant<std::unique_ptr<QXmppIq>, QXmppError>;
using IqDecryptResult = std::variant<QDomElement, NotEncrypted, QXmppError>;
virtual QXmppTask<MessageEncryptResult> encryptMessage(QXmppMessage &&, const std::optional<QXmppSendStanzaParams> &) = 0;
virtual QXmppTask<MessageDecryptResult> decryptMessage(QXmppMessage &&) = 0;
virtual QXmppTask<IqEncryptResult> encryptIq(QXmppIq &&, const std::optional<QXmppSendStanzaParams> &) = 0;
virtual QXmppTask<IqDecryptResult> decryptIq(const QDomElement &) = 0;
virtual bool isEncrypted(const QDomElement &) = 0;
virtual bool isEncrypted(const QXmppMessage &) = 0;
};
#endif // QXMPPE2EEEXTENSION_H
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