detect_and_adjust_lights.yaml

##############################################################################
###  Detect when lights are turned on and adjust them accordingly based on time.
###  Code by @JesseWebDotCom
## @CCOSTAN
## Original Repo : https://github.com/CCOSTAN/Home-AssistantConfig
##############################################################################
- alias: detect lights and adjust the brightness when turned on based on time
  id: 844b6be0-3ba3-4f8a-bbcd-a5ec5abdb88a
  mode: parallel
  trigger:
    - platform: event
      event_type: state_changed

  condition:
    - condition: state
      entity_id: group.family
      state: 'home'
    - condition: state
      entity_id: input_boolean.alert_mode
      state: 'off'
    - condition: template
      value_template: "{{ trigger.event.data is not none }}"
    - condition: template
      value_template: "{{ trigger.event.data.entity_id is not none }}"
    - condition: template
      value_template: "{{ trigger.event.data.entity_id.split('.')[0] == 'light' }}"
    - condition: template
      value_template: "{{ trigger.event.data.entity_id.split('_')[0] != 'light.tv' }}"
    - condition: template
      value_template: "{{ trigger.event.data.entity_id.split('_')[0] != 'light.couch' }}"
    - condition: template
      value_template: "{{ trigger.event.data.entity_id.split('_')[0] != 'light.office' }}"
    - condition: template
      value_template: "{{ trigger.event.data.entity_id.split('_')[0] != 'light.flood_2' }}"
    - condition: template
      value_template: "{{ trigger.event.data.entity_id.split('_')[0] != 'light.treeflood' }}"
    - condition: template
      value_template: "{{ trigger.event.data.entity_id.split('_')[0] != 'light.led' }}"
    - condition: template
      value_template: "{{ trigger.event.data.entity_id.split('_')[1] != 'screensaver' }}"
    - condition: template
      value_template: "{{ trigger.event.data.new_state.state == 'on' }}"
    - condition: template
      value_template: "{{ trigger.event.data.old_state.state == 'off' }}"

  action:
    - service: light.turn_on
      data:
        entity_id: "{{ trigger.event.data.entity_id }}"
        brightness: >
          {% set hour=states("sensor.time").split(':')[0] | int %}
          {%- if hour >= 5 and hour < 8  -%}
            50
          {%- elif hour >= 8 and hour <20  -%}
            255
          {%- elif hour >= 20 and hour <24  -%}
            40
          {%- else -%}
            15
          {%- endif %}