#include "timing.h"
#include "assert.h"

bool set_counter_period(ManualCounter* counter, float period)
{
    if (period < 0.0f) return false;

    counter->period = period;
    return true;
}

void elapse_counter_time(ManualCounter* counter, float delta)
{
    counter->fractional += delta;
    if (counter->fractional > counter->period)
    {
        counter->fractional -= counter->period;
        counter->count++;
    }
}
void reset_counter_count(ManualCounter* counter)
{
    counter->count = 0;
}
void reset_counter(ManualCounter* counter)
{
    counter->count = 0;
    counter->fractional = 0.0f;
}

bool set_frame_timings(FrameTimer* timer, float frame_time, int count_period, int max_count)
{
    if (!set_counter_period((ManualCounter*)timer, frame_time)) return false;
    if (count_period < 0 || max_count < 0) return false;

    timer->frame_count_period = count_period;
    timer->frame_max_count = max_count;
    return true;
}
void elapse_frame_time(FrameTimer* timer, float delta)
{
    timer->has_elapsed = false;
    if (timer->frame_max_count == 0) return;

    elapse_counter_time((ManualCounter *)timer, delta);
    if (timer->counter.count >= timer->frame_count_period)
    {
        reset_counter_count((ManualCounter*)timer);
        if (!timer->pause)
        {
            timer->frame_count++;
            timer->frame_count %= timer->frame_max_count;
            timer->has_elapsed = true;
        }
    }
}

void reset_frame_count(FrameTimer* timer)
{
    reset_counter_count((ManualCounter*)timer);
    timer->frame_count = 0;
}

void reset_frame_timer(FrameTimer* timer)
{
    reset_counter((ManualCounter*)timer);
    timer->frame_count = 0;
}