/*
    Copyright (c) 2016 Michael Bohlender <michael.bohlender@kdemail.net>
    Copyright (c) 2016 Christian Mollekopf <mollekopf@kolabsys.com>

    This library is free software; you can redistribute it and/or modify it
    under the terms of the GNU Library General Public License as published by
    the Free Software Foundation; either version 2 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 Library General Public
    License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to the
    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA.
*/

#pragma once
#include "kube_export.h"
#include <krecursivefilterproxymodel.h>
#include <QSharedPointer>
#include <QSet>
#include <sink/notifier.h>

namespace Sink {
    class Query;
}

class KUBE_EXPORT FolderListModel : public KRecursiveFilterProxyModel
{
    Q_OBJECT

    Q_PROPERTY (QVariant accountId READ accountId WRITE setAccountId)
    Q_PROPERTY (QVariant folderId READ folderId WRITE setFolderId)

public:
    enum Status {
        NoStatus,
        InProgressStatus,
        ErrorStatus,
        SuccessStatus,
    };
    Q_ENUMS(Status)

    FolderListModel(QObject *parent = Q_NULLPTR);
    ~FolderListModel();

    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const Q_DECL_OVERRIDE;

    enum Roles {
        Name  = Qt::UserRole + 1,
        Icon,
        Id,
        DomainObject,
        Status,
        Trash,
        Enabled,
        HasNewData
    };
    Q_ENUMS(Roles)

    QHash<int, QByteArray> roleNames() const Q_DECL_OVERRIDE;

    void setAccountId(const QVariant &accountId);
    QVariant accountId() const;

    void setFolderId(const QVariant &folderId);
    QVariant folderId() const;

signals:
    void initialItemsLoaded();

protected:
    bool lessThan(const QModelIndex &left, const QModelIndex &right) const Q_DECL_OVERRIDE;
    bool acceptRow(int sourceRow, const QModelIndex &sourceParent) const Q_DECL_OVERRIDE;
    void fetchMore(const QModelIndex &left) Q_DECL_OVERRIDE;

private:
    void runQuery(const Sink::Query &query);
    QSharedPointer<QAbstractItemModel> mModel;
    QSet<QByteArray> mHasNewData;
    QScopedPointer<Sink::Notifier> mNotifier;
};
