Home Assistant automation for temperature (F) lights with time-decay brightness

automations.yaml

- alias: LED - Temperature
  description: ''
  trigger:
    # How often to decay:
    - platform: time_pattern
      seconds: /30
    # And whenever the source is freshened:
    - platform: state
      entity_id:
        - sensor.tomorrow_io_weather_feels_like
  condition: []
  action:
    # This could be done a ton of ways but I wanted to mess with choose
    - choose:
        - conditions:
            - condition: state
              entity_id: sensor.tomorrow_io_weather_feels_like
              state: unavailable
          sequence:
            - service: light.turn_on
              data:
                hs_color:
                  - 375
                  - 100
                # 30 minute updates
                # 255/1800 0.141666...
                brightness:
                  "{% if states('sensor.tomorrow_io_weather_feels_like','last_updated')
                  %}{{ 255 - ((now() | as_timestamp - states.sensor.tomorrow_io_weather_feels_like.last_updated
                  | as_timestamp) * 0.1416 )| int | round(0) }}{% else %} {{ state_attr('light.wled_segment_1','brightness')
                  }}{%endif%}"
              target:
                entity_id: light.wled_segment_1
        - conditions:
            - condition: numeric_state
              entity_id: sensor.tomorrow_io_weather_feels_like
              below: 45
          sequence:
            - service: light.turn_on
              data:
                hs_color:
                  - 180
                  - 100
                brightness:
                  "{% if states('sensor.tomorrow_io_weather_feels_like','last_updated')
                  %}{{ 255 - ((now() | as_timestamp - states.sensor.tomorrow_io_weather_feels_like.last_updated
                  | as_timestamp) * 0.1416 )| int | round(0) }}{% else %} {{ state_attr('light.wled_segment_1','brightness')
                  }}{%endif%}"
              target:
                entity_id: light.wled_segment_1
        - conditions:
            - condition: numeric_state
              entity_id: sensor.tomorrow_io_weather_feels_like
              above: 100
          sequence:
            - service: light.turn_on
              data:
                hs_color:
                  - 0
                  - 100
                brightness:
                  "{% if states('sensor.tomorrow_io_weather_feels_like','last_updated')
                  %}{{ 255 - ((now() | as_timestamp - states.sensor.tomorrow_io_weather_feels_like.last_updated
                  | as_timestamp) * 0.1416 )| int | round(0) }}{% else %} {{ state_attr('light.wled_segment_1','brightness')
                  }}{%endif%}"
                entity_id: light.wled_segment_1
      default:
        - service: light.turn_on
          data_template:
            hs_color:
              "[{{ ((180 | int) - (((states('sensor.tomorrow_io_weather_feels_like')
              | float) - 45 | int) * 3.272) | int | round(0))}},100]"
            brightness:
              "{% if states('sensor.tomorrow_io_weather_feels_like','last_updated')
              %}{{ 255 - ((now() | as_timestamp - states.sensor.tomorrow_io_weather_feels_like.last_updated
              | as_timestamp) * 0.1416 )| int | round(0) }}{% else %} {{ state_attr('light.wled_segment_1','brightness')
              }}{%endif%}"
            entity_id: light.wled_segment_1
  mode: single