auto-light.yaml

blueprint:
  name: Basic Light Control
  description: Control an area's lights based on an occupancy sensor and the sun's position.
  domain: automation
  input:
    target_lights:
      name: Target Lights
      description: |
        The target lights that should be controlled by the automation.
      selector:
        target:
          entity:
            - domain: light
    occupancy_sensor:
      name: Occupancy Sensor
      description: |
        If occupancy is detected by the given sensor, the lights will be set brighter.
      selector:
        entity:
          filter:
            - domain: binary_sensor
    toggle_switch:
      name: Toggle Switch
      description: |
        The loop created by this automation will only impact the lights if the switch is on.
      selector:
        entity:
          filter:
            - domain: input_boolean
    max_brightness:
      name: Maximum Brightness
      description: |
        The peak brightness of the lights when sun is fully down and the room is
        occupied.
      default: 80
      selector:
        number:
          min: 2
          max: 100
          unit_of_measurement: "%"
          mode: slider
          step: 1
    nightmode_switch:
      name: Night Mode Switch
      description: |
        If the given switch is on, all brightness calculations will use the nightmode max brightness in place of the standard maximum brightness.
      selector:
        entity:
          filter:
            - domain: input_boolean
    nightmode_max_brightness:
      name: Maximum Brightness (Night Mode)
      description: |
        When the nightmode switch is on, the peak brightness of the lights will be this value.
      default: 10
      selector:
        number:
          min: 1
          max: 100
          unit_of_measurement: "%"
          mode: slider
          step: 1
    main_light_scale:
      name: Main Light Scale
      description: |
        The peak brightness of the lights with Main in their friendly name will
        be scaled by this value.
      default: 50
      selector:
        number:
          min: 0
          max: 100
          unit_of_measurement: "%"
          mode: slider
          step: 1
    vacancy_scale:
      name: Vacancy Scale
      description: |
        The peak brightness of the lights will be scaled by this value when the
        motion sensor determines the room to be unoccupied.
      default: 20
      selector:
        number:
          min: 0
          max: 100
          unit_of_measurement: "%"
          mode: slider
          step: 1
    elevation_on:
      name: Elevation On
      description: |
        The elevation of the sun at which the lights will be at their maximum brightness.
      default: -1
      selector:
        number:
          min: -90
          max: 0
          unit_of_measurement: "°"
          mode: box
          step: 1
    elevation_off:
      name: Elevation Off
      description: |
        The elevation of the sun at which the lights will be at their minimum brightness (off).
      default: 4
      selector:
        number:
          min: 1
          max: 90
          unit_of_measurement: "°"
          mode: box
          step: 1
    transition_time:
      name: Transition Time
      description: |
        How many seconds should the light change brightness/temp over.
      default: 2
      selector:
        number:
          min: 0
          max: 10
          mode: slider
          step: 1
    min_color_temp:
      name: Minimum Color Temperature
      description: The coolest color your bulbs will be set to.
      default: 250
      selector:
        color_temp:
          min_mireds: 153
          max_mireds: 500
    max_color_temp:
      name: Maximum Color Temperature
      description: The warmest color your bulbs will be set to.
      default: 454
      selector:
        color_temp:
          min_mireds: 153
          max_mireds: 500

variables:
  target_lights_input: !input target_lights
  target_lights: >-
    {%- set ns = namespace( lights = [] ) -%}
    {%- if  'entity_id' in target_lights_input -%}
      {%- set entity_ids = target_lights_input.entity_id -%}
      {%- if entity_ids is string -%}
        {%- set entity_ids = [entity_ids] -%}
      {%- endif -%}
      {%- for light_entity in expand(entity_ids | select('match', 'light'))  -%}
        {%- set ns.lights = ns.lights + [light_entity.entity_id] -%}
      {%- endfor -%}
    {%- endif -%}
    {%- if  'device_id' in target_lights_input -%}
      {%- set device_ids = target_lights_input.device_id -%}
      {%- if device_ids is string -%}
        {%- set device_ids = [device_ids] -%}
      {%- endif -%}
      {%- for device in device_ids  -%}
        {%- for light_entity in expand(device_entities(device) | select('match', 'light')) | list -%}
          {%- if not light_entity.entity_id in ns.lights -%}
            {%- set ns.lights = ns.lights + [light_entity.entity_id] -%}
          {%- endif -%}
        {%- endfor -%}
      {%- endfor -%}
    {%- endif -%}
    {%- if  'area_id' in target_lights_input -%}
      {%- set area_ids = target_lights_input.area_id -%}
      {%- if area_ids is string -%}
        {%- set area_ids = [area_ids] -%}
      {%- endif -%}
      {%- for area_id in area_ids -%}
        {%- for light_entity in expand(area_entities(area_id ) | select('match', 'light')) | list -%}
          {%- if not light_entity.entity_id in ns.lights -%}
            {%- set ns.lights = ns.lights + [light_entity.entity_id] -%}
          {%- endif -%}
        {%- endfor -%}
      {%- endfor -%}
    {%- endif -%}
    {{ ns.lights }}

  toggle_switch: !input toggle_switch
  nightmode_switch: !input nightmode_switch

  transition_time: !input transition_time

  max_brightness_input: !input max_brightness
  nightmode_max_brightness_input: !input nightmode_max_brightness
  max_brightness: >-
    {%- if states[nightmode_switch].state == 'on' -%}
      {{ nightmode_max_brightness_input | float }}
    {%- else -%}
      {{ max_brightness_input | float }}
    {%- endif -%}

  main_light_scale_input: !input main_light_scale
  main_light_scale: "{{ main_light_scale_input | float | multiply(0.01) }}"

  occupancy_sensor_input: !input occupancy_sensor
  vacancy_scale_input: !input vacancy_scale
  vacancy_scale: >-
    {%- if states[occupancy_sensor_input].state == 'on' -%}
      {{ 1 | int }}
    {%- else -%}
      {{ vacancy_scale_input | float | multiply(0.01) }}
    {%- endif -%}

  min_color_temp: !input min_color_temp
  max_color_temp: !input max_color_temp
  light_temperature: >-
    {{ [([((1000000/(4791.67 - 3290.66/(1 + 0.222 * ([([0,state_attr('sun.sun', 'elevation')]|max),90]|min**0.81))))|int),min_color_temp]|max),max_color_temp]|min }}

  elevation_on: !input elevation_on
  elevation_off: !input elevation_off
  elevation_range: "{{ elevation_off - elevation_on }}"
  sun_elevation: "{{ state_attr('sun.sun','elevation') }}"
  sun_scale: "{{ 1 - ((sun_elevation - elevation_on) / (elevation_range)) }}"

  standard_brightness: >-
    {%- if sun_elevation < elevation_on -%}
      {{ max_brightness | multiply(vacancy_scale) | int | string }}
    {%- elif sun_elevation > elevation_off -%}
      {{ 0 | int | string }}
    {%- else -%}
      {{ max_brightness | multiply(sun_scale) | multiply(vacancy_scale) | int | string }}
    {%- endif -%}
  main_light_brightness: "{{ standard_brightness | multiply(main_light_scale) | int | string }}"
  standard_lights: >-
    {%- set ns = namespace( lights = [] ) -%}
    {%- for light_entity in (target_lights | list) -%}
      {%- if not 'Main' in state_attr(light_entity, 'friendly_name') -%}
        {%- if not 'color_temp' in state_attr(light_entity, 'supported_color_modes') -%}
          {%- set ns.lights = ns.lights + [light_entity] -%}
        {%- endif -%}
      {%- endif -%}
    {%- endfor -%}
    {{ ns.lights }}
  standard_lights_with_color: >-
    {%- set ns = namespace( lights = [] ) -%}
    {%- for light_entity in (target_lights | list) -%}
      {%- if not 'Main' in state_attr(light_entity, 'friendly_name') -%}
        {%- if 'color_temp' in state_attr(light_entity, 'supported_color_modes') -%}
          {%- set ns.lights = ns.lights + [light_entity] -%}
        {%- endif -%}
      {%- endif -%}
    {%- endfor -%}
    {{ ns.lights }}
  main_lights: >-
    {%- set ns = namespace( lights = [] ) -%}
    {%- for light_entity in (target_lights | list) -%}
      {%- if 'Main' in state_attr(light_entity, 'friendly_name') -%}
        {%- if not 'color_temp' in state_attr(light_entity, 'supported_color_modes') -%}
          {%- set ns.lights = ns.lights + [light_entity] -%}
        {%- endif -%}
      {%- endif -%}
    {%- endfor -%}
    {{ ns.lights }}
  main_lights_with_color: >-
    {%- set ns = namespace( lights = [] ) -%}
    {%- for light_entity in (target_lights | list) -%}
      {%- if 'Main' in state_attr(light_entity, 'friendly_name') -%}
        {%- if 'color_temp' in state_attr(light_entity, 'supported_color_modes') -%}
          {%- set ns.lights = ns.lights + [light_entity] -%}
        {%- endif -%}
      {%- endif -%}
    {%- endfor -%}
    {{ ns.lights }}

trigger:
  - platform: state
    entity_id: sun.sun
    attribute: elevation
  - platform: state
    entity_id:
      - !input occupancy_sensor
    from: null
    to: null
  - platform: state
    entity_id:
      - !input toggle_switch
    from: null
    to: null
  - platform: state
    entity_id:
      - !input nightmode_switch
    from: null
    to: null

condition:
  - condition: state
    entity_id: !input toggle_switch
    state: "on"

action:
  parallel:
    - service: system_log.write
      data:
        level: warning
        logger: homeassistant.components.blueprint.basic_light_control
        message: "
          DEBUG:\n
          occupancy sensor input: {{ occupancy_sensor_input }}\n
          occupancy sensor state: {{ states[occupancy_sensor_input].state }}\n
          sun elevation: {{ sun_elevation }}\n
          SCALE FACTORS:\n
          sun: {{ sun_scale }}\n
          main light: {{ main_light_scale }}\n
          vacancy: {{ vacancy_scale }}\n
          BRIGHTNESS:\n
          standard: {{ standard_brightness }}%\n
          main: {{ main_light_brightness }}%\n
          LIGHTS\n
          {{ target_lights_input }}\n
          {{ target_lights }}\n
          "
    - service: light.turn_on
      target:
        entity_id: "{{ standard_lights }}"
      data:
        transition: "{{ transition_time }}"
        brightness_pct: "{{ standard_brightness }}"
    - service: light.turn_on
      target:
        entity_id: "{{ standard_lights_with_color }}"
      data:
        transition: "{{ transition_time }}"
        brightness_pct: "{{ standard_brightness }}"
        color_temp: "{{ light_temperature }}"
    - service: light.turn_on
      target:
        entity_id: "{{ main_lights }}"
      data:
        transition: "{{ transition_time }}"
        brightness_pct: "{{ main_light_brightness }}"
    - service: light.turn_on
      target:
        entity_id: "{{ main_lights_with_color }}"
      data:
        transition: "{{ transition_time }}"
        brightness_pct: "{{ main_light_brightness }}"
        color_temp: "{{ light_temperature }}"

mode: parallel