blueprint:
  name: Smart Lux Dimmer (BASIC)
  description: 'Version 2.0

    Dim or turn off light based on the value of a light sensor

    '
  source_url: https://gist.github.com/Twanne/b942a7885e5a062dc9b6acfe9d6fe3db
  domain: automation
  input:
    schedule_start:
      name: Schedule start time
      description: Automation only runs after this time.
      selector:
        time: {}
    schedule_stop:
      name: Schedule stop time
      description: Automation does not run after this time.
      selector:
        time: {}
    schedule_days:
      name: Run on these days
      description: 'Days on which the automation will run.

        Write days in short form, seperated by punctuation marks and/or spaces.

        (i.e.: mon, tue, wed,...)

        '
      selector:
        text: {}
    light_sensor_entity:
      name: Light Sensor
      selector:
        entity:
          domain:
          - sensor
          device_class:
          - illuminance
          multiple: false
    max_brightness_value:
      name: Maximum ambient light value
      description: Light is turned off above this value.
      default: 500
      selector:
        number:
          min: 0.0
          max: 1000.0
          step: 10.0
          unit_of_measurement: lx
          mode: slider
    min_brightness_value:
      name: Minimum ambient light value
      description: The light does not change brightness further under this value.
      default: 0
      selector:
        number:
          min: 0.0
          max: 1000.0
          step: 10.0
          unit_of_measurement: lx
          mode: slider
    light_value_1:
      name: Dimming value 1
      description: Brightness of the light at maximum ambient light.
      default: 0
      selector:
        number:
          min: 0.0
          max: 100.0
          step: 1.0
          mode: slider
          unit_of_measurement: '%'
    light_value_2:
      name: Dimming value 2
      description: Brightness of the light at minimum ambient light.
      default: 100
      selector:
        number:
          min: 0.0
          max: 100.0
          step: 1.0
          mode: slider
          unit_of_measurement: '%'
    target_light:
      name: Target lights
      selector:
        target:
          entity:
          - domain:
            - light
mode: single
variables:
  light_sensor: !input light_sensor_entity
  maxB: !input max_brightness_value
  minB: !input min_brightness_value
  light1: !input light_value_1
  light2: !input light_value_2
  slope: '{{ ( light1 - light2 ) / ( maxB - minB ) }}'
  constant: '{{ light1 - ( slope * maxB ) }}'
  days: !input schedule_days
trigger:
  platform: state
  entity_id: !input light_sensor_entity
condition:
- condition: numeric_state
  entity_id: !input light_sensor_entity
  above: !input min_brightness_value
- condition: time
  after: !input schedule_start
  before: !input schedule_stop
- condition: template
  value_template: '{{ now().strftime(''%a'') | lower in days }}'
action:
- service: light.turn_on
  data:
    brightness_pct: "{% if states(light_sensor)|int > maxB %}\n  0\n{% else %}\n  {{
      (( slope * states(light_sensor)|int ) + constant)|round }}\n{% endif %}\n"
  target: !input target_light