plants light

- alias: plants_light
  trigger:
    - platform: sun
      event: sunset
  actions:
    - service: light.turn_on
      data:
        entity_id: light.plants
    - delay: >-
        {% set current_night_length = as_timestamp(state_attr('sun.sun', 'next_setting')) - as_timestamp(state_attr('sun.sun', 'next_rising')) %}
        {% set min_night_length =  7*3600 + 47*60 + 43 %}
        {% set max_night_length = 16*3600 + 46*60 + 39 %}
        {% set scale = 1 - (current_night_length - min_night_length) / (max_night_length - min_night_length) %}
        {% set delay = (scale * min_night_length / 4) | int %}
        {{ delay }}
    - service: light.turn_off
      data:
        entity_id: light.plants