/* -*- Mode: C++; indent-tabs-mode: nil; tab-width: 4 -*-
 * -*- coding: utf-8 -*-
 *
 * Copyright (C) 2023 KylinSoft Co., Ltd.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef AUTOBRIGHTNESSMANAGER_H
#define AUTOBRIGHTNESSMANAGER_H

#include <QObject>
#include <QtSensors/QLightSensor>
#include <QtSensors/QLightReading>
#include <QDBusInterface>
#include <QGSettings/qgsettings.h>

#include "brightThread.h"

class AutoBrightnessManager : public QObject
{
    Q_OBJECT
private:
    AutoBrightnessManager();
    AutoBrightnessManager(AutoBrightnessManager&)=delete;
    AutoBrightnessManager&operator=(const AutoBrightnessManager&)=delete;

public:
    ~AutoBrightnessManager();
    static AutoBrightnessManager *autoBrightnessManagerNew();
    bool autoBrightnessManagerStart();
    void autoBrightnessManagerStop();


public Q_SLOTS:
    void sensorReadingChangedSlot();
    void sensorActiveChangedSlot();
    void gsettingsChangedSlot(QString key);
    void idleModeChangeSlot(quint32 mode);
    void powerManagerSchemaChangedSlot(QString key);
    void brightnessThreadFinishedSlot();
private:
    bool sensorExist();
    void setEnabled(bool enabled);
    void enableSensorAndSetGsettings(bool state);
    void adjustBrightnessWithLux(qreal lux);
    void enableDynamicBrightness();
    //设置背光前先断开powerManager的信号，待设置成功后再进行链接。避免自己设置的回调。
    void connectPowerManagerSchema(bool state);
private:
    bool m_enableAutoBrightness;
    bool m_hadSensor;
    bool m_userIntervene;//暂时仅仅做记录或者调试模式使用，暂未复杂的用法，只是用户调整亮度后在下次空闲前不再调整亮度。
    int m_enabled;

    QGSettings                      *m_autoBrightnessSettings;
    QGSettings                      *m_powerManagerSettings;
    QLightSensor                    *m_lightSensor;
    BrightThread                    *m_brightnessThread;
    static AutoBrightnessManager    *m_autoBrightnessManager;
};

#endif // AUTOBRIGHTNESSMANAGER_H
