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*
* Copyright 2013 - 2021, nymea GmbH
* Contact: contact@nymea.io
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* copyright law, and remains the property of nymea GmbH. All rights, including
* reproduction, publication, editing and translation, are reserved. The use of
* this project is subject to the terms of a license agreement to be concluded
* with nymea GmbH in accordance with the terms of use of nymea GmbH, available
* under https://nymea.io/license
*
* GNU Lesser General Public License Usage
* Alternatively, this project may be redistributed and/or modified under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; version 3. This project 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.
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* along with this project. If not, see <https://www.gnu.org/licenses/>.
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#ifndef ENERGYMETER_H
#define ENERGYMETER_H

#include <QObject>
#include <QUuid>

#include "registerdescriptor.h"
#include "hardware/modbus/modbusrtumaster.h"

class EnergyMeter : public QObject
{
    Q_OBJECT
public:
    explicit EnergyMeter(ModbusRtuMaster *modbusMaster, int slaveAddress, const QHash<ModbusRegisterType, ModbusRegisterDescriptor> &modbusRegisters, QObject *parent = nullptr);

    ModbusRtuMaster *modbusMaster();
    void setModbusMaster(ModbusRtuMaster *modbusMaster);

    bool connected() const;
    bool getVoltageL1();
    bool getVoltageL2();
    bool getVoltageL3();
    bool getCurrentL1();
    bool getCurrentL2();
    bool getCurrentL3();
    bool getFrequency();
    bool getPowerFactor();
    bool getActivePower();
    bool getEnergyProduced();
    bool getEnergyConsumed();

private:
    typedef union {
        int32_t s;
        uint32_t u;
        float f;
    } modbus_32_t;

    bool m_connected = false;

    ModbusRtuMaster *m_modbusRtuMaster = nullptr;
    int m_slaveAddress;

    QHash<ModbusRegisterType, ModbusRegisterDescriptor> m_modbusRegisters;

    bool getRegister(ModbusRegisterType type);
    void setConnectionStatus(bool connected);

signals:
    void connectedChanged(bool connected);

    void voltageL1Received(double voltage);
    void voltageL2Received(double voltage);
    void voltageL3Received(double voltage);
    void currentL1Received(double current);
    void currentL2Received(double current);
    void currentL3Received(double current);
    void frequencyReceived(double freqeuncy);
    void activePowerReceived(double power);
    void powerFactorReceived(double powerFactor);
    void producedEnergyReceived(double energy);
    void consumedEnergyReceived(double energy);
};

#endif // ENERGYMETER_H