//
// Linux GPS
//

/* prevent multiple inclusions */
#ifndef __GpsPoint__
#define __GpsPoint__

/* includes *****************************************************************/

#include "GpsMath.h"

/* defines ******************************************************************/

/* macros *******************************************************************/

/* structs & typedefs *******************************************************/

/* c class definitions ******************************************************/

//
// Gps Point on the planet
//
class GpsPoint : public GpsMath {
    // public data
public:
    timespec TimeStamp;
    double Latitude;
    double Longitude;
    double Altitude;
    double Speed;	// m/sec
    double Heading;	// deg

    // fix information (GpsListener) for point
    int     Fix;            // GPGGA
    int     Mode;           // GPGSA
    int     Type;           // GPGSA
    double  Accel;          // m/sec2
    double  Yaw;            // deg/sec (-left, +right)

    // parser

    // protected data
protected:

    // private data
private:
    // static data

    // private methods

    // public methods
public:
    // constructors
    GpsPoint();
    GpsPoint( double lat, double lon );
    GpsPoint(const GpsPoint &copy);

    // destructor
    virtual ~GpsPoint();

    // operators
    GpsPoint &operator=(const GpsPoint &rhs);

    // virtual functions

    // public methods
    double GetLatitude(void) {return Latitude;};
    double GetLongitude(void) {return Longitude;};
    double GetAltitude(void) {return Altitude;};
    double GetElevation(void) {return Altitude;};
    void GetPosition( double *lat, double *lon, double *elev=NULL );
    double GetSpeed(void) {return Speed;};
    double GetHeading(void) {return Heading;};
    timespec GetTimeVal(void) {return TimeStamp;};
    uint64_t GetTimeStamp(void) {return (TimeStamp.tv_sec*1000L)+(TimeStamp.tv_nsec/1000000L);};
    time_t GetTimeStampSec(void) {return TimeStamp.tv_sec;};

    void SetLatitude(double lat) {Latitude = lat;};
    void SetLongitude(double lon) {Longitude = lon;};
    void SetAltitude(double alt) {Altitude = alt;};
    void SetElevation(double ele) {Altitude = ele;};
    void SetPosition(double lat, double lon, double ele = 0.0)
        {Latitude=lat;Longitude=lon;Altitude=ele;};
    void SetSpeed(double spd) {Speed = spd;};   // kph
    void SetHeading(double hdg) {Heading = hdg;};
    void SetTimeStamp(timespec &tv) {TimeStamp=tv;};
    void SetTimeStamp(time_t t) {TimeStamp.tv_sec=t;TimeStamp.tv_nsec=0;};
    void SetTimeStamp(uint64_t t);
    void SetTimeStamp(double t);
    void SetTimeStamp(const char *str);

    void AddMeters( double x, double y );             // add meters
    void Extrapolate( double speed, double accel, double yaw, double time );

    double Bearing( const GpsPoint &gpt );      // bearing to point
    double Distance( const GpsPoint &gpt );     // distance to point
    double Distance( double lat, double lon );
    double Travel( double x, double y, double z );

    double DistanceX( const GpsPoint &gpt )
        { return GpsMath::DistanceX(Latitude, Longitude, gpt.Latitude, gpt.Longitude); };
    double DistanceY( const GpsPoint &gpt )
        { return GpsMath::DistanceY(Latitude, Longitude, gpt.Latitude, gpt.Longitude); };
    double DistanceX(double lat, double lon)
        { return GpsMath::DistanceX(Latitude, Longitude, Latitude, lon); };
    double DistanceY(double lat, double lon)
        { return GpsMath::DistanceY(Latitude, Longitude, lat, Longitude); };
    double DistanceX(double lon)
        { return GpsMath::DistanceX(Latitude, Longitude, Latitude, lon); };
    double DistanceY(double lat)
        { return GpsMath::DistanceY(Latitude, Longitude, lat, Longitude); };

    double DistanceXY( const GpsPoint &gpt1, const GpsPoint &gpt2, double &x, double &y );
    double DistanceXY( const GpsPoint &gpt1, double lat, double lon, double &x, double &y );

    bool Inside( const GpsPoint polygon[], int num );
    bool Traversed( GpsPoint &gpt, const GpsPoint polygon[], int num );

    // static methods
};

#endif