{lib, ... }:
let
  # let an entity blink for X times with  a delay of Y milliseconds
  flash_entity = { entity, delay ? 500, count ? 4, alias ?  "${entity}_blink_${toString count}_${toString delay}" }:
  {
    inherit alias;
    sequence = lib.flatten (builtins.genList (i: [
      { service = "homeassistant.turn_on";
        data.entity_id = entity;
      }
      { delay.milliseconds = delay; }
      { service = "homeassistant.turn_off";
        data.entity_id = entity;
      }
      { delay.milliseconds = delay; }
    ]
     ) count);
   };
in {
  buzz_red_led = (flash_entity {
    entity = "light.redbutton_buzzer";
    alias = "Red Button Buzz";
    count = 4;
  });
  buzz_red_led_fast = (flash_entity {
    entity = "light.redbutton_buzzer";
    delay = 250;
    count = 2;
    alias = "Red Button Buzz fast";
  });
  blitz_10s = (flash_entity {
    entity = "switch.blitzdings";
    delay = 10000;
    count = 1;
    alias = "blitz for 10 seconds";
  });
}