#ifndef MCRLCONTROLLER_RTLF_H
#define MCRLCONTROLLER_RTLF_H


#include <cstdio>
#include <cstring>
#include <cstdlib>

#define RTLF_MAGIC_NUMBER "RTLF"
#define RTLF_VERSION 1
#define RTLF_RECORD_SIZE 80 // 10 x float64 = 80 bytes

#pragma pack(push, 1)

// Fixed part of the Header Block (16 bytes)
typedef struct {
    char magic_number[4];   // 0-4: 'RTLF'
    __uint32_t version;       // 4-8: File format version (Must be 1)
    __uint32_t car_id;        // 8-12: Unique numerical ID
    __uint32_t track_name_len;// 12-16: Length of the Track Name string that follows
} RTLF_Header_Fixed;

// Single Data Record (80 bytes)
typedef struct {
    double timestamp;       // 0-8: Time (seconds)
    double gps_long;        // 8-16: Position X (meters)
    double gps_lat;         // 16-24: Position Y (meters)
    double facing_x;        // 24-32: X-component of the car's orientation
    double facing_y;        // 32-40: Y-component of the car's orientation
    double facing_z;        // 40-48: Z-component of the car's orientation
    double acceleration_x;  // 48-56: Acceleration X (m/s^2)
    double acceleration_y;  // 56-64: Acceleration Y (m/s^2)
    double acceleration_z;  // 64-72: Acceleration Z (m/s^2)
    double speed;           // 72-80: Speed (m/s)
} RTLF_Data_Record;

#pragma pack(pop)

typedef struct {
    FILE* file;
    RTLF_Header_Fixed header;
    char* track_name;
    long data_start_offset;
} RTLF_Context;

RTLF_Context* rtlf_open_write(const char* filename, __uint32_t car_id, const char* track_name);

int rtlf_write_record(RTLF_Context* ctx, const RTLF_Data_Record* record);

void rtlf_close(RTLF_Context* ctx);


#endif //MCRLCONTROLLER_RTLF_H