#ifndef SERVICE_GPS_H
#define SERVICE_GPS_H

#include <stdbool.h>
#include <stdint.h>
#include "minmea.h"

#ifdef __cplusplus
#if __cplusplus
extern "C"
{
#endif
#endif

typedef struct
{
    bool valid;
    float latitude;
    float longitude;
    float speed;
    float course;
    float variation;
} gnss_rmc_data_t;

typedef struct
{
    minmea_gnss_type_id_t type;
    int nr;
    int elevation;
    int azimuth;
    int snr;
} gnss_gsv_data_t;

typedef struct
{
    float true_track_degrees;
    float magnetic_track_degrees;
    float speed_knots;
    float speed_kph;
} gnss_vtg_data_t;

typedef struct
{
    bool valid;        // 有效性
    float latitude;    // 纬度
    float longitude;   // 经度
    uint16_t num_sats; // 卫星数量
} gnss_data_t;

// 获取RMC数据回调函数
typedef void (*gnss_service_changed_callback)(bool open);
typedef void (*gnss_rmc_status_callback)(gnss_rmc_data_t *rmc_data);
typedef void (*gnss_gsv_status_callback)(const struct minmea_sentence_gsv *frame);
typedef void (*gnss_zda_status_callback)(const char *time);
typedef void (*gnss_gga_status_callback)(const struct minmea_sentence_gga *frame);
typedef void (*gnss_vtg_status_callback)(gnss_vtg_data_t *vtg_data);

typedef struct
{
    gnss_service_changed_callback service_changed_cb;
    gnss_rmc_status_callback rmc_status_cb;
    gnss_gsv_status_callback gsv_status_cb;
    gnss_zda_status_callback zda_status_cb;
    gnss_gga_status_callback gga_status_cb;
    gnss_vtg_status_callback vtg_status_cb;
} gnss_service_cb_t;

uint32_t tjd_service_gps_open(void);
void tjd_service_gps_close(void);
void tjd_service_gps_sync_ephemeris_event(void);
void tjd_service_gps_sync_open(void);
void tjd_service_gps_get_data(gnss_data_t *rmc_data);
void tjd_service_gps_get_gga_data(struct minmea_sentence_gga *gga_data);

void register_gnss_changed_cb(gnss_service_cb_t *gnss_service_func);
void unregister_gnss_changed_cb(void);

/**
 * @brief 星历是否有效
 * @return true 有效
 * @return false 已过期  
 */
bool tjd_service_gps_ephemer_is_valid(void);

#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif

#endif