// SPDX-FileCopyrightText: 2020 Linus Jahn <lnj@kaidan.im>
//
// SPDX-License-Identifier: LGPL-2.1-or-later

#ifndef QXMPPPUBSUBSUBSCRIBEOPTIONS_H
#define QXMPPPUBSUBSUBSCRIBEOPTIONS_H

#include "QXmppDataForm.h"
#include "QXmppDataFormBase.h"
#include "QXmppGlobal.h"

#include <QFlags>
#include <QSharedDataPointer>

class QDateTime;
class QDomElement;
class QXmlStreamWriter;
class QXmppDataForm;
class QXmppPubSubSubscribeOptionsPrivate;

class QXMPP_EXPORT QXmppPubSubSubscribeOptions : public QXmppExtensibleDataFormBase
{
public:
    enum PresenceState : uint8_t {
        Unset = 0x00,
        Online = 0x01,
        Away = 0x02,
        Chat = 0x04,
        DoNotDisturb = 0x08,
        ExtendedAway = 0x10
    };
    Q_DECLARE_FLAGS(PresenceStates, PresenceState)
    static PresenceStates presenceStatesFromStringList(const QStringList &);
    static QStringList presenceStatesToStringList(PresenceStates);

    enum SubscriptionType : uint8_t {
        Items,
        Nodes
    };

    enum SubscriptionDepth : uint8_t {
        TopLevelOnly,
        Recursive
    };

    static std::optional<QXmppPubSubSubscribeOptions> fromDataForm(const QXmppDataForm &form);

    QXmppPubSubSubscribeOptions();
    QXmppPubSubSubscribeOptions(const QXmppPubSubSubscribeOptions &);
    QXmppPubSubSubscribeOptions(QXmppPubSubSubscribeOptions &&);
    virtual ~QXmppPubSubSubscribeOptions();

    QXmppPubSubSubscribeOptions &operator=(const QXmppPubSubSubscribeOptions &);
    QXmppPubSubSubscribeOptions &operator=(QXmppPubSubSubscribeOptions &&);

    std::optional<bool> notificationsEnabled() const;
    void setNotificationsEnabled(std::optional<bool> notifying);

    std::optional<bool> digestsEnabled() const;
    void setDigestsEnabled(std::optional<bool> digestsEnabled);

    std::optional<quint32> digestFrequencyMs() const;
    void setDigestFrequencyMs(std::optional<quint32> digestFrequencyMs);

    QDateTime expire() const;
    void setExpire(const QDateTime &expire);

    std::optional<bool> bodyIncluded() const;
    void setBodyIncluded(std::optional<bool> bodyIncluded);

    PresenceStates notificationRules() const;
    void setNotificationRules(PresenceStates notificationRules);

    std::optional<SubscriptionType> subscriptionType() const;
    void setSubscriptionType(std::optional<SubscriptionType> subscriptionType);

    std::optional<SubscriptionDepth> subscriptionDepth() const;
    void setSubscriptionDepth(std::optional<SubscriptionDepth> subscriptionDepth);

protected:
    QString formType() const override;
    bool parseField(const QXmppDataForm::Field &) override;
    void serializeForm(QXmppDataForm &) const override;

private:
    QSharedDataPointer<QXmppPubSubSubscribeOptionsPrivate> d;
};

Q_DECLARE_OPERATORS_FOR_FLAGS(QXmppPubSubSubscribeOptions::PresenceStates)
Q_DECLARE_METATYPE(QXmppPubSubSubscribeOptions)

#endif  // QXMPPPUBSUBSUBSCRIBEOPTIONS_H