/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 *                                                                         *
 *  Copyright (C) 2017 Simon Stuerz <simon.stuerz@guh.io>                  *
 *                                                                         *
 *  This file is part of guh-control                                       *
 *                                                                         *
 *  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.                        *
 *                                                                         *
 *  You should have received a copy of the GNU Lesser General Public       *
 *  License along with this library; If not, see                           *
 *  <http://www.gnu.org/licenses/>.                                        *
 *                                                                         *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#ifndef DEVICESPROXY_H
#define DEVICESPROXY_H

#include <QUuid>
#include <QObject>
#include <QSortFilterProxyModel>

#include "devices.h"

class DevicesBasicTagsModel: public QAbstractListModel
{
    Q_OBJECT
    Q_PROPERTY(Devices* devices READ devices WRITE setDevices NOTIFY devicesChanged)
    Q_PROPERTY(bool hideSystemTags READ hideSystemTags WRITE setHideSystemTags NOTIFY hideSystemTagsChanged)
public:
    enum Roles {
        RoleTag,
        RoleTagLabel
    };

    DevicesBasicTagsModel(QObject *parent = nullptr);

    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
    QVariant data(const QModelIndex &index, int role) const override;
    QHash<int, QByteArray> roleNames() const override;

    Devices* devices() const;
    void setDevices(Devices *devices);

    bool hideSystemTags() const;
    void setHideSystemTags(bool hideSystemTags);

    Q_INVOKABLE QString basicTagToString(DeviceClass::BasicTag basicTag) const;

signals:
    void devicesChanged();
    void hideSystemTagsChanged();

private:
    void rowsChanged(const QModelIndex &index, int first, int last);
    void syncTags();

private:
    Devices* m_devices = nullptr;
    QList<DeviceClass::BasicTag> m_tags;
    bool m_hideSystemTags = false;
};

class DevicesProxy : public QSortFilterProxyModel
{
    Q_OBJECT
    Q_PROPERTY(int count READ rowCount NOTIFY countChanged)
    Q_PROPERTY(Devices *devices READ devices WRITE setDevices NOTIFY devicesChanged)
    Q_PROPERTY(DeviceClass::BasicTag filterTag READ filterTag WRITE setFilterTag NOTIFY filterTagChanged)
    Q_PROPERTY(QString filterInterface READ filterInterface WRITE setFilterInterface NOTIFY filterInterfaceChanged)

public:
    explicit DevicesProxy(QObject *parent = 0);

    Devices *devices() const;
    void setDevices(Devices *devices);

    DeviceClass::BasicTag filterTag() const;
    void setFilterTag(DeviceClass::BasicTag filterTag);

    QString filterInterface() const;
    void setFilterInterface(const QString &filterInterface);

    Q_INVOKABLE Device *get(int index) const;

signals:
    void devicesChanged();
    void filterTagChanged();
    void filterInterfaceChanged();
    void countChanged();

private:
    Devices *m_devices = nullptr;
    DeviceClass::BasicTag m_filterTag = DeviceClass::BasicTagNone;
    QString m_filterInterface;

protected:
    bool lessThan(const QModelIndex &left, const QModelIndex &right) const Q_DECL_OVERRIDE;
    bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const override;
};

#endif // DEVICESPROXY_H