/*
 * IGC parser
 * @brief parse IGC file, get all data points, compute average horizontal/vertical speed, print to STDOUT
 *
 * @author xamidev <xamidev@riseup.net>
 * @license GNU GPL v3
 */

#ifndef IGC_H
#define IGC_H

#define SMALL_NAME_MAX 32
#define NAME_MAX 256
#define TMP_SIZE 8

enum IGC_RecordType
{
	MANUFACTURER = 'A',
	HEADER = 'H',
	EXTENSION = 'I',
	J_EXTENSION = 'J',
	DECLARATION = 'C',
	SATELLITES = 'F',
	DATAPOINT = 'B',
	DIFFERENTIAL_GPS = 'D',
	PILOT_EVENT = 'E',
	GEN_PURPOSE_PLACEHOLDER = 'K',
	COMMENT = 'L',
	SEC_KEY = 'G',
};

enum Cardinals
{
	NORTH = 'N',
	SOUTH = 'S',
	EAST = 'E',
	WEST = 'W'
};

struct Coord
{
	char cardinal;
	int deg;
	int min;
	int sec;
};

struct IGC_Header
{
	int day;
	int month;
	int year;

	// Not exhaustive
	char pilot_name[NAME_MAX];
	char crew2_name[NAME_MAX];
	char aircraft_name[NAME_MAX];
	char aircraft_registration_no[NAME_MAX];
	char gps_datum[NAME_MAX];
	
	// (not too important; ignored for now, may be part of "verbose" setting later)
	char firmware_ver[NAME_MAX];
	char hardware_ver[NAME_MAX];
	char frtype[NAME_MAX];
	char press_alt_sensor[NAME_MAX];
};

struct IGC_DataPoint
{
	// timestamp
	int hour;
	int minute;
	int second;

	// coordinates
	struct Coord lat;
	struct Coord lon;

	// altitude
	int baro_alt;
	int gps_alt;
};

void parse_igc_file(FILE* fp);
struct IGC_DataPoint* parse_datapoint(char* line);
void show_datapoint(struct IGC_DataPoint* dp);
void show_header_info(struct IGC_Header* hdr);
struct IGC_Header* parse_header_record(struct IGC_Header* hdr, char* line);

#endif