#ifndef HYPERDRM_LAYOUT_REFRESH_H
#define HYPERDRM_LAYOUT_REFRESH_H
#define LAYOUT_REFRESH_MS 5000
static ReceiverProbe layout_probe={.fd=-1};
static uint64_t next_layout_check,last_layout_check;
static unsigned layout_updates,layout_probe_generation;
static char layout_error[128];
static void layout_refresh_reset(uint64_t due){
 probe_close(&layout_probe);layout_probe.stage=TEST_IDLE;next_layout_check=due;
}
static bool layout_mapping_changed(const LedBlend *next,unsigned count){
 if(count!=led_count || !led_blends)return true;
 for(unsigned i=0;i<count;i++)if(next[i].a!=led_blends[i].a || next[i].b!=led_blends[i].b || next[i].weight!=led_blends[i].weight)return true;
 return false;
}
static void layout_refresh_tick(PlaybackJson *json,uint64_t now,bool running){
 if(!running){layout_refresh_reset(now+LAYOUT_REFRESH_MS);return;}
 probe_tick(&layout_probe,json,now);
 if(layout_probe.stage==TEST_DONE){
  if(layout_probe_generation==calibration_generation){
   if(layout_mapping_changed(layout_probe.mapping,layout_probe.leds)){
    free(led_blends);led_blends=layout_probe.mapping;layout_probe.mapping=NULL;led_count=layout_probe.leds;layout_updates++;
   }
   last_layout_check=now;layout_error[0]=0;
  }else next_layout_check=now;
  probe_close(&layout_probe);layout_probe.stage=TEST_IDLE;
 }else if(layout_probe.stage==TEST_FAILED){
  snprintf(layout_error,sizeof(layout_error),"%s",layout_probe.error);layout_probe.stage=TEST_IDLE;
 }
 if(!probe_busy(&layout_probe) && now>=next_layout_check){
  layout_probe_generation=calibration_generation;probe_begin(&layout_probe,&target,now);next_layout_check=now+LAYOUT_REFRESH_MS;
 }
}
#endif