/* Copyright (C) 2013
 * swift Project Community / Contributors
 *
 * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
 * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
 * including this file, may be copied, modified, propagated, or distributed except according to the terms
 * contained in the LICENSE file.
 */

#ifndef BLACKSIM_XSWIFTBUS_SERVICE_H
#define BLACKSIM_XSWIFTBUS_SERVICE_H

//! \file

#ifndef NOMINMAX
#define NOMINMAX
#endif
#include "datarefs.h"
#include "messages.h"
#include "blackmisc/simulation/xplane/navdatareference.h"
#include <XPLM/XPLMNavigation.h>
#include <QStringList>
#include <QObject>
#include <QList>

class QTimer;

//! \cond PRIVATE
#define XSWIFTBUS_SERVICE_INTERFACENAME "org.swift_project.xswiftbus.service"
#define XSWIFTBUS_SERVICE_OBJECTPATH "/xswiftbus/service"
//! \endcond

//! Typedef needed to use QList<double> as a DBus argument
using QDoubleList = QList<double>;

//! Typedef needed to use QList<double> as a DBus argument
Q_DECLARE_METATYPE(QDoubleList)

namespace XSwiftBus
{

    /*!
     * XSwiftBus service object which is accessible through DBus
     */
    class CService : public QObject
    {
        Q_OBJECT
        Q_CLASSINFO("D-Bus Interface", XSWIFTBUS_SERVICE_INTERFACENAME)

    public:
        //! Constructor
        CService(QObject *parent);

        //! DBus interface name
        static const QString &InterfaceName()
        {
            static QString s(XSWIFTBUS_SERVICE_INTERFACENAME);
            return s;
        }

        //! DBus object path
        static const QString &ObjectPath()
        {
            static QString s(XSWIFTBUS_SERVICE_OBJECTPATH);
            return s;
        }

        //! Called by XPluginReceiveMessage when the model changes.
        void onAircraftModelChanged();

    signals:
        //! Emitted when the model or livery changes.
        void aircraftModelChanged(const QString &path, const QString &filename, const QString &livery,
            const QString &icao, const QString &modelString, const QString &name, const QString &description);

        //! Airports in range updated.
        void airportsInRangeUpdated(const QStringList &icaoCodes, const QStringList &names, const QDoubleList &lats, const QDoubleList &lons, const QDoubleList &alts);

    public slots:
        //! Add a text message to the on-screen display, with RGB components in the range [0,1]
        void addTextMessage(const QString &text, double red, double green, double blue);

        //! Called by newly connected client to cause airportsInRangeUpdated to be emitted.
        void updateAirportsInRange();

        //! Get full path to current aircraft model
        QString getAircraftModelPath() const;

        //! Get base filename of current aircraft model
        QString getAircraftModelFilename() const;

        //! Get canonical swift model string of current aircraft model
        QString getAircraftModelString() const;

        //! Get name of current aircraft model
        QString getAircraftName() const;

        //! Get path to current aircraft livery
        QString getAircraftLivery() const { return m_liveryPath.get().c_str(); }

        //! Get the ICAO code of the current aircraft model
        QString getAircraftIcaoCode() const { return m_icao.get().c_str(); }

        //! Get the description of the current aircraft model
        QString getAircraftDescription() const { return m_descrip.get().c_str(); }

        //! Get major version number
        int getXPlaneVersionMajor() const;

        //! Get minor version number
        int getXPlaneVersionMinor() const;

        //! Get root of X-Plane install path
        QString getXPlaneInstallationPath() const;

        //! Get full path to X-Plane preferences file
        QString getXPlanePreferencesPath() const;

        //! True if sim is paused
        bool isPaused() const { return m_paused.get(); }

        //! True if sim time is tracking operating system time
        bool isUsingRealTime() const { return m_useSystemTime.get(); }

        //! Get aircraft latitude in degrees
        double getLatitude() const { return m_latitude.get(); }

        //! Get aircraft longitude in degrees
        double getLongitude() const { return m_longitude.get(); }

        //! Get aircraft altitude in meters
        double getAltitudeMSL() const { return m_elevation.get(); }

        //! Get aircraft height in meters
        double getHeightAGL() const { return m_agl.get(); }

        //! Get aircraft groundspeed in meters per second
        double getGroundSpeed() const { return m_groundSpeed.get(); }

        //! Get aircraft IAS in knots
        double getIndicatedAirspeed() const { return m_indicatedAirspeed.get(); }

        //! Get aircraft TAS in meters per second
        double getTrueAirspeed() const { return m_trueAirspeed.get(); }

        //! Get aircraft pitch in degrees above horizon
        double getPitch() const { return m_pitch.get(); }

        //! Get aircraft roll in degrees
        double getRoll() const { return m_roll.get(); }

        //! Get aircraft true heading in degrees
        double getTrueHeading() const { return m_heading.get(); }

        //! Get whether any wheel is on the ground
        bool getAnyWheelOnGround() const { return m_onGroundAny.get(); }

        //! Get whether all wheels are on the ground
        bool getAllWheelsOnGround() const { return m_onGroundAll.get(); }

        //! Get the current COM1 active frequency in kHz
        int getCom1Active() const { return m_com1Active.get() * 10; }

        //! Get the current COM1 standby frequency in kHz
        int getCom1Standby() const { return m_com1Standby.get() * 10; }

        //! Get the current COM2 active frequency in kHz
        int getCom2Active() const { return m_com2Active.get() * 10; }

        //! Get the current COM2 standby frequency in kHz
        int getCom2Standby() const { return m_com2Standby.get() * 10; }

        //! Get the current transponder code in decimal
        int getTransponderCode() const { return m_xpdrCode.get(); }

        //! Get the current transponder mode (depends on the aircraft, 0 and 1 usually mean standby, >1 active)
        int getTransponderMode() const { return m_xpdrMode.get(); }

        //! Get whether we are currently squawking ident
        bool getTransponderIdent() const { return m_xpdrIdent.get(); }

        //! Get whether beacon lights are on
        bool getBeaconLightsOn() const { return m_beaconLightsOn.get(); }

        //! Get whether landing lights are on
        bool getLandingLightsOn() const { return m_landingLightsOn.get(); }

        //! Get whether nav lights are on
        bool getNavLightsOn() const { return m_navLightsOn.get(); }

        //! Get whether strobe lights are on
        bool getStrobeLightsOn() const { return m_strobeLightsOn.get(); }

        //! Get whether taxi lights are on
        bool getTaxiLightsOn() const { return m_taxiLightsOn.get(); }

        //! Get barometric pressure at sea level in inches of mercury.
        double getQNH() const { return m_qnhInhg.get(); }

        //! Set the current COM1 active frequency in kHz
        void setCom1Active(int freq) { m_com1Active.set(freq / 10); }

        //! Set the current COM1 standby frequency in kHz
        void setCom1Standby(int freq) { m_com1Standby.set(freq / 10); }

        //! Set the current COM2 active frequency in kHz
        void setCom2Active(int freq) { m_com2Active.set(freq / 10); }

        //! Set the current COM2 standby frequency in kHz
        void setCom2Standby(int freq) { m_com2Standby.set(freq / 10); }

        //! Set the current transponder code in decimal
        void setTransponderCode(int code) { m_xpdrCode.set(code); }

        //! Set the current transponder mode (depends on the aircraft, 0 and 1 usually mean standby, >1 active)
        void setTransponderMode(int mode) { m_xpdrMode.set(mode); }

        //! Get flaps deploy ratio, where 0.0 is flaps fully retracted, and 1.0 is flaps fully extended.
        double getFlapsDeployRatio() const { return m_flapsReployRatio.get(); }

        //! Get gear deploy ratio, where 0 is up and 1 is down
        double getGearDeployRatio() const { return m_gearReployRatio.get(); }

        //! Get the number of engines of current aircraft
        int getNumberOfEngines() const { return m_numberOfEngines.get(); }

        //! Get the N1 speed as percent of max (per engine)
        QList<double> getEngineN1Percentage() const
        {
            QList<double> list;
            list.reserve(getNumberOfEngines());
            for (int engineNumber = 0; engineNumber < getNumberOfEngines(); ++engineNumber)
                list.append(m_enginesN1Percentage.getAt(engineNumber));

            return list;
        }

        //! Get the ratio how much the speedbrakes surfaces are extended (0.0 is fully retracted, and 1.0 is fully extended)
        double getSpeedBrakeRatio() const { return m_speedBrakeRatio.get(); }

    private:
        CMessageBoxControl m_messages { 128, 128, 16 };
        BlackMisc::Simulation::XPlane::CNavDataReferenceList m_airports;
        QTimer *m_airportUpdater = nullptr;
        void readAirportsDatabase();

        StringDataRef<xplane::data::sim::aircraft::view::acf_livery_path> m_liveryPath;
        StringDataRef<xplane::data::sim::aircraft::view::acf_ICAO> m_icao;
        StringDataRef<xplane::data::sim::aircraft::view::acf_descrip> m_descrip;
        DataRef<xplane::data::sim::time::paused> m_paused;
        DataRef<xplane::data::sim::time::use_system_time> m_useSystemTime;
        DataRef<xplane::data::sim::flightmodel::position::latitude> m_latitude;
        DataRef<xplane::data::sim::flightmodel::position::longitude> m_longitude;
        DataRef<xplane::data::sim::flightmodel::position::elevation> m_elevation;
        DataRef<xplane::data::sim::flightmodel::position::y_agl> m_agl;
        DataRef<xplane::data::sim::flightmodel::position::groundspeed> m_groundSpeed;
        DataRef<xplane::data::sim::flightmodel::position::indicated_airspeed2> m_indicatedAirspeed;
        DataRef<xplane::data::sim::flightmodel::position::true_airspeed> m_trueAirspeed;
        DataRef<xplane::data::sim::flightmodel::position::theta> m_pitch;
        DataRef<xplane::data::sim::flightmodel::position::phi> m_roll;
        DataRef<xplane::data::sim::flightmodel::position::psi> m_heading;
        DataRef<xplane::data::sim::flightmodel::failures::onground_any> m_onGroundAny;
        DataRef<xplane::data::sim::flightmodel::failures::onground_all> m_onGroundAll;
        DataRef<xplane::data::sim::cockpit::radios::com1_freq_hz> m_com1Active;
        DataRef<xplane::data::sim::cockpit::radios::com1_stdby_freq_hz> m_com1Standby;
        DataRef<xplane::data::sim::cockpit::radios::com2_freq_hz> m_com2Active;
        DataRef<xplane::data::sim::cockpit::radios::com2_stdby_freq_hz> m_com2Standby;
        DataRef<xplane::data::sim::cockpit::radios::transponder_code> m_xpdrCode;
        DataRef<xplane::data::sim::cockpit::radios::transponder_mode> m_xpdrMode;
        DataRef<xplane::data::sim::cockpit::radios::transponder_id> m_xpdrIdent;
        DataRef<xplane::data::sim::cockpit::electrical::beacon_lights_on> m_beaconLightsOn;
        DataRef<xplane::data::sim::cockpit::electrical::landing_lights_on> m_landingLightsOn;
        DataRef<xplane::data::sim::cockpit::electrical::nav_lights_on> m_navLightsOn;
        DataRef<xplane::data::sim::cockpit::electrical::strobe_lights_on> m_strobeLightsOn;
        DataRef<xplane::data::sim::cockpit::electrical::taxi_light_on> m_taxiLightsOn;
        DataRef<xplane::data::sim::flightmodel2::controls::flap_handle_deploy_ratio> m_flapsReployRatio;
        DataRef<xplane::data::sim::flightmodel2::gear::deploy_ratio> m_gearReployRatio;
        DataRef<xplane::data::sim::aircraft::engine::acf_num_engines> m_numberOfEngines;
        ArrayDataRef<xplane::data::sim::flightmodel::engine::ENGN_N1_> m_enginesN1Percentage;
        DataRef<xplane::data::sim::flightmodel2::controls::speedbrake_ratio> m_speedBrakeRatio;
        DataRef<xplane::data::sim::weather::barometer_sealevel_inhg> m_qnhInhg;
    };

}

#endif // guard