#include <assert.h>

#include "layout.h"
#include "effect.h"
#include "any_log.h"


//double cubic_bezier(double x, double a, double b, double c, double d)
//{
//	const double t = 1 - x;
//	return a * (t * t * t) + 3 * b * (t * t * x) + 3 * c * (t * x * x) + d * (x * x * x);
//}
//
//static void effect_pulse_pre(effect_t *effect, layout_t *layout, cairo_t *cr)
//{
//    struct timespec now;
//    timespec_get(&now, TIME_UTC);
//
//    // After half the duration we invert direction
//    struct timespec midpoint = timespec_div(effect->duration, 2);
//    struct timespec diff = timespec_diff(now, effect->start);
//
//    double t = timespec_greater(midpoint, diff)
//             ? (double)timespec_to_ms(diff) / timespec_to_ms(midpoint)
//             : 1.0 - (double)timespec_to_ms(timespec_diff(diff, midpoint)) / timespec_to_ms(midpoint);
//
//    // Make it customizable
//    double s = cubic_bezier(t, 0.19, 1.0, 0.22, 1.0);
//
//    // Make it a parameter
//    const double amplitude = 0.12;
//
//    // FIXME: The intent was to scale the animation for long blocks, but it needs more love
//    //
//    int x_max = amplitude * (layout->height + (layout->width / (double)layout->height) - 1);
//    int y_max = amplitude * layout->height;
//
//    layout->x_padding = layout->block->x_padding + x_max * s;
//    layout->y_padding = layout->block->y_padding + y_max * s;
//}
//
//effect_t *effect_pulse(struct timespec duration)
//{
//    effect_t *effect = calloc(1, sizeof(effect_t));
//    effect->type = EFFECT_PULSE;
//    effect->duration = duration;
//    effect->pre = effect_pulse_pre;
//    return effect;
//}

void effect_info_free(effect_info_t *info)
{
    free(info->state);
    free(info);
}

void effect_free(effect_t *effect)
{
    assert(effect->info->finalize != NULL);
    effect->info->finalize(effect);
}