#ifndef DEVICECONTROLLERDIAG_H
#define DEVICECONTROLLERDIAG_H

#include <QObject>
#include <QSet>
#include <QTimer>

#include <DeviceController/interfaces.h>

#include "DeviceControllerInterface.h"
#include "ATBMachineEvent.h"

#include "support/PersistentData.h"

class DBusControllerInterface;

namespace DeviceController {
    Q_NAMESPACE

    enum State {
        O000,

        A000,

        E002,
        E003,
        E004,

        E007,
        E008,
        E009,
        E010,
        W010,   // Coin Escrow
        E011,

        E018,

        E020,

        E025,
        E026,

        E034,

        M0071, // cashbox change is ongoing
        M0072, // cardtest is running
        M0073, // startup-test is running

        M0252, // cashbox door open
        M0253, // service or battery door is open
        M0254, // no valid data from DC

        E255,

        W001,
        W002,
        W003,
        W004,

        W255,

        INITIAL_STATE
    };
    Q_ENUM_NS(State)


    enum Action {
        SET   = 1,
        RESET = 0
    };
    Q_ENUM_NS(Action)

}


class DeviceControllerDiag : public QObject
{
    Q_OBJECT

public:
    DeviceControllerDiag(PersistentData *pData, QObject *parent = nullptr);

    void init(hwinf* hw, DBusControllerInterface *dbus, QObject* eventReceiver);

    nsDeviceControllerInterface::COIN_PROCESSOR coinProcessorType;
    nsDeviceControllerInterface::BILL_ACCEPTOR  billAcceptor;

    /**
     * return true, if machineEventSet contains an error
     */
    bool isErrorState();
    bool isOperatingState();
    QSet<DeviceController::State> getCurrentMachineState();

    void setTimeout(int timeout);

public slots:
    /**
     * start diag request
     */
    void diagRequest();

    /**
     * reset / re-init diag request.
     * Called e.g. when doors are closed.
     */
    void diagReInit();

    /**
     * reset / restart / reinit deviceController
     */
    void restartCArun();

signals:
    void diagResponse(ATBMachineEvent* machineEvent);

    void newVoltage(uint32_t voltage);

private:
    QObject *eventReceiver;
    hwinf* hw;
    DBusControllerInterface* dbus;

    bool isRequestRunning;
    bool flagInterruptDiag;
    bool isDiagBackgroundTask;

    QTimer *diagRequestTimeoutTimer;

    void sub_componentAssessment(); // diag exit method

    int lastVoltage;

    DeviceController::State lastState;
    QSet<DeviceController::State> machineEventSet;
    QSet<DeviceController::State> previousMachineEventSet;
    bool _isErrorState;

    PersistentData* pData;

    int E255counter;

private slots:
    void onDiagRequestTimeoutTimerTimeout();

    void private_startDiag();                                    // diag entry method
    void private_setDiagEvent(DeviceController::State result);
    void private_sendDiagEvent(DeviceController::State result, DeviceController::Action action);

    void sys_superviseSystem();

};

#endif // DEVICECONTROLLERDIAG_H