#ifndef TIMER_H
#define TIMER_H

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

#define NSEC_PER_SEC 1000000000

struct timespec subts(struct timespec t1, struct timespec t2);
struct timespec addts(struct timespec t1, struct timespec t2);
double timespec_to_double(struct timespec ts);

//appended GH just incase theres a conflict with anything
//else named "Timer"

typedef struct GHTimer {
    struct timespec start;
    struct timespec current;
    struct timespec pause_start;
    struct timespec pause_current;
    struct timespec diff;
    int running;
    int paused;
} GHTimer;

void ghtimer_start(GHTimer *timer);
void ghtimer_pause(GHTimer *timer);
void ghtimer_resume(GHTimer *timer);
void ghtimer_stop(GHTimer *timer);
void ghtimer_reset(GHTimer *timer);
void ghtimer_tick(GHTimer *timer);

struct timespec ghtimer_time(GHTimer *timer);
void ghtimer_timestring(GHTimer *timer, char *buffer);

#endif