#ifndef V2X_DB_H
#define V2X_DB_H

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

/* V2X-Datenbank Struktur */
typedef struct {
    uint32_t id;
    uint64_t timestamp;
    uint8_t  msg_type;
    uint8_t  channel;
    float    frequency_mhz;
    int8_t   rssi_dbm;
    float    power_dbm;
    uint32_t data_rate_bps;
    uint16_t frame_len;
    
    /* C-ITS Message spezifisch */
    uint64_t station_id;
    int32_t  lat;
    int32_t  lon;
    int16_t  alt;
    uint8_t  speed;
    uint16_t heading;
    int8_t   acceleration;
    
    /* Rohdaten */
    uint8_t  raw_data[256];
    uint16_t raw_len;
} v2x_db_entry_t;

/* Datenbank initialisieren */
esp_err_t v2x_db_init(void);

/* V2X-Nachricht in Datenbank speichern */
esp_err_t v2x_db_insert(const v2x_frame_t *frame);

/* Letzte N Nachrichten abfragen */
esp_err_t v2x_db_query_recent(v2x_db_entry_t *entries, uint32_t count);

/* Statistiken abrufen */
esp_err_t v2x_db_get_statistics(uint32_t *total, uint32_t *cam_count, uint32_t *denm_count);

#endif /* V2X_DB_H */