/*
 * Copyright (C) 2008-2020 The QXmpp developers
 *
 * Author:
 *  Jeremy Lainé
 *
 * Source:
 *  https://github.com/qxmpp-project/qxmpp
 *
 * This file is a part of QXmpp library.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 */

#ifndef QXMPPOUTGOINGSERVER_H
#define QXMPPOUTGOINGSERVER_H

#include "QXmppStream.h"

#include <QAbstractSocket>

class QSslError;
class QXmppDialback;
class QXmppOutgoingServer;
class QXmppOutgoingServerPrivate;

/// \brief The QXmppOutgoingServer class represents an outgoing XMPP stream
/// to another XMPP server.
///

class QXMPP_EXPORT QXmppOutgoingServer : public QXmppStream
{
    Q_OBJECT

public:
    QXmppOutgoingServer(const QString &domain, QObject *parent);
    ~QXmppOutgoingServer() override;

    bool isConnected() const override;

    QString localStreamKey() const;
    void setLocalStreamKey(const QString &key);
    void setVerify(const QString &id, const QString &key);

    QString remoteDomain() const;

signals:
    /// This signal is emitted when a dialback verify response is received.
    void dialbackResponseReceived(const QXmppDialback &response);

protected:
    /// \cond
    void handleStart() override;
    void handleStream(const QDomElement &streamElement) override;
    void handleStanza(const QDomElement &stanzaElement) override;
    /// \endcond

public slots:
    void connectToHost(const QString &domain);
    void queueData(const QByteArray &data);

private slots:
    void _q_dnsLookupFinished();
    void _q_socketDisconnected();
    void sendDialback();
    void slotSslErrors(const QList<QSslError> &errors);
    void socketError(QAbstractSocket::SocketError error);

private:
    Q_DISABLE_COPY(QXmppOutgoingServer)
    QXmppOutgoingServerPrivate *const d;
};

#endif
