#ifndef LINUXSMARTIE_UTILS_H
#define LINUXSMARTIE_UTILS_H

#include <stdint.h>
#include <sys/types.h> // NOLINT yes its, needed for ssize_t

#if __STDC_VERSION__ >= 202000L
#define C_STD "C23"
#elif __STDC_VERSION__ >= 201710L
#define C_STD "C17"
#elif __STDC_VERSION__ >= 201112L
#define C_STD "C11"
#elif __STDC_VERSION__ >= 199901L
#define C_STD "C99"
#else
#define C_STD "C89"
#endif


#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#define P_BYTES(bytes, start) pretty_bytes((bytes), (start), (char[16]){0}, 16)
#define P_NUM(num) pretty_num((num), (char[16]){0}, 16)

typedef enum : uint8_t {
	SENSOR_I16,
	SENSOR_U8,
	SENSOR_U16,
	SENSOR_U64,
	SENSOR_FLOAT,
} sensor_type_t;

typedef struct {
	sensor_type_t type;
	int fd;
	void* value;
	uint32_t divider;
} sensor_file_t;

int get_instance_lock();

void timespec_add_ms(struct timespec *ts, uint16_t ms);

int64_t timespec_diff_us(const struct timespec *a, const struct timespec *b);

char *pretty_num(double num, char *buf, size_t bufsz);

char *pretty_bytes(uint64_t bytes, int8_t start_suffix, char *buf, size_t bufsz);

int get_hwmon_dir(char *path, size_t bufsz);

void open_sensor(sensor_file_t* s, const char* dir, const char *file, void* value, uint32_t divider, sensor_type_t type);

void fast_read_sensor_into_mem(const sensor_file_t *s, void* val);

void fast_read_sensor(const sensor_file_t *s);

void close_sensor(const sensor_file_t* s);

#endif