#ifndef GPS_H
#define GPS_H

//#include <windows.h>
#include "Serial.h"

class GPS
{
public:
	struct SatelliteInfo
	{
		int satid;
		int theata;
		int alpha;
		int snr;
	};

	typedef void cbLocationgProc(int valid,
								 int hh,int mm,int ss,int ms,
								 double longitude, double latitude,
								 double height,
								 char heightunit,
								 double velocity,
								 double direction,
								 int satnum,
								 double error,
								 LPVOID userptr);
	typedef void cbSatelliteInfoProc(int allsatnum,
									 GPS::SatelliteInfo *satinfo,
									 LPVOID userptr);
	typedef void cbDopProc(char mode1,
						   char mode2,
						   int usedsatnum,
						   int usedsat[12],
						   float error1,
						   float error2,
						   float error3,
						   LPVOID userptr);

private:
	Serial *pSerial;
	char buf[256],lasttime[20];
	BOOL isrunning;

	char *match(char *str,char *patten);
	char *next_fld(char *str);

	int hh,mm,ss,ms;
	double longitude,latitude,dis,height,velocity,direction;
	int code,satnum;
	char heightunit;

	int allsats;
	SatelliteInfo satinfo[38];

	char mode1,mode2;
	int usedsat[12];
	float error1,error3;

	BOOL parse(char *buf);
	HANDLE hWorkthread;
	DWORD dwWorkthread;
	static DWORD WINAPI WorkProc(LPVOID lpParam);

	LPVOID lpUserPtr;
	cbLocationgProc *pcbLocation;
	cbSatelliteInfoProc *pcbSatInfo;
	cbDopProc *pcbDop;

public:
	GPS();
	~GPS();

	BOOL OpenDevice(TCHAR *strPort,int nBaudRate);
	void CloseDevice();

	BOOL Run();
	void Stop();
	BOOL IsRunning();

	BOOL IsLocationValid();
	double GetTimestamp();
	double GetLongitude();
	double GetLatitude();
	double GetHeight();
	char GetHeightUnit();
	double GetVelocity();
	double GetDirection();
	int GetSatNum();
	double GetError();

	void set_EventProc(cbLocationgProc *cbLocation,cbSatelliteInfoProc *cbSatInfo,cbDopProc *cbDop,LPVOID userptr);
};

#endif //GPS_H