Home Assistant Blueprint: Unavailable Lights Notificator

unavailable_lights_notificator.yaml

blueprint:
  name: Unavailable Lights Notificator
  description: Notify when a light has been turned off using the switch
  domain: automation
  author: Edison Montes @_GeekMD_
  homeassistant:
    min_version: 2024.6.0
  input:
    delay:
      name: Time Delay
      description: Minutes awaited by the automation before notifying when a light has been turned off using the switch
      default: 10
      selector:
        number:
          min: 0
          max: 60
          unit_of_measurement: minutes
    start_time:
      name: Start Time
      description: The notification will be executed after this time
      default: "08:00:00"
      selector:
        time:
    end_time:
      name: End Time
      description: The notification will be executed until this time
      default: "22:00:00"
      selector:
        time:
    ignored:
      name: Ignored Lights
      description: Lights that should be ignored
      selector:
        entity:
          domain: light
          multiple: true
    excluded:
      name: Ignore Individual Entities within a Group
      description: Ignore individual entities when they are part of a group
      default: true
      selector:
        boolean:
    actions:
      name: Actions
      description: Notifications or similar to be run. Remember to include {{ entities }} in the message, which is replaced with the name of lights that were turned off using the switch
      selector:
        action: {}

variables:
  ignored: !input ignored
  excluded: !input excluded
  all_lights: >
    {{ states.light | selectattr("state","eq","unavailable") | map(attribute='entity_id') | list }}
  grouped: >
    {% if excluded %}
      {% set groups = integration_entities('group') %}
      {% set grouped_entities = namespace(items=[]) %}
      {% for group in groups %}
        {% set grouped_entities.items = grouped_entities.items + expand(group) | selectattr('state', 'defined') | map(attribute='entity_id') | list %}
      {% endfor %}
      {{ grouped_entities.items }}
    {% else %}
      {{ [] }}
    {% endif %}
  entities: >
    {% set filtered = all_lights | reject('in', ignored) | reject('in', grouped) | list %}
    {{ filtered }}
  has_unavailable: "{{ entities | count > 0 }}"

trigger:
  # 🔹 Se activa cada vez que cambia la lista de luces 'unavailable'
  - platform: template
    value_template: "{{ states.light | selectattr('state','eq','unavailable') | list | count > 0 }}"
    for:
      minutes: !input delay

  # 🔹 Se activa cuando empieza el horario si hay luces 'unavailable'
  - platform: time
    at: !input start_time

condition:
  - condition: template
    value_template: "{{ has_unavailable }}"
  - condition: time
    after: !input start_time
    before: !input end_time

action:
  - choose: []
    default: !input actions

mode: single