#pragma once

#include <QDateTime>
#include <QDebug>
#include <QList>
#include <QString>

#include "atomchannelimage.h"
#include "atomitem.h"

class QXmlStreamReader;

class AtomChannel
{
public:
    // TODO: move to interface
    static inline const QString xmlTag{"channel"};

public:
    explicit AtomChannel(QXmlStreamReader *xmlReader);

public:
    // TODO: update db data if differs. here and everywhere (item, user, etc)
    /*!
     * \brief getDbId - check if channel with corresponding `link` exists in db
     * and return db id if any
     * \return id on success, 0 otherwise
     */
    int getDbId();

    /*!
     * \brief createInDb - create channel in db
     * \return new channel id on success, 0 otherwise
     */
    int createInDb();

    /*!
     * \brief getOrInsertDbId - get existing channel id or try to create a new
     * channel and get its id
     * \return existing or new channel id on success, 0 otherwise
     */
    int getOrInsertDbId();

    /*!
     * \brief syncDbItems - create items in db if not exist
     * \return list of new items ids
     */
    QList<int> syncDbItems();

public:
    /*!
     * \brief m_id - cache db m_id
     */
    int m_id{0};

    QString title;
    /*!
     * \brief link - field called `link` in atom xml. Points to feed itself
     */
    QUrl link;
    QString description;
    QDateTime lastBuildDate;
    QLocale::Language language;
    // ...
    // TODO: shared_ptr
    AtomChannelImage image;
    QList<AtomItem> items;
};

QDebug operator<<(QDebug debug, const AtomChannel &channel);