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 names of the lights that were turned off using the switch
      selector:
        action: {}

variables:
  ignored: !input ignored
  excluded: !input excluded

  # 🔹 All unavailable lights
  all_unavailable_lights: >
    {{ states.light | selectattr('state','eq','unavailable') | list }}

  # 🔹 All unavailable groups
  all_unavailable_groups: >
    {{ states.group
       | selectattr('state','eq','unavailable')
       | selectattr('attributes.entity_id', 'defined')
       | list }}

  # 🔹 Groups that contain unavailable lights
  groups_with_unavailable_lights: >
    {% set unavailable_light_ids = all_unavailable_lights | map(attribute='entity_id') | list %}
    {% set matched_groups = namespace(groups=[]) %}
    {% for group in all_unavailable_groups %}
      {% set group_lights = group.attributes.entity_id %}
      {% if group_lights | select('in', unavailable_light_ids) | list | count > 0 %}
        {% set matched_groups.groups = matched_groups.groups + [ group ] %}
      {% endif %}
    {% endfor %}
    {{ matched_groups.groups }}

  # 🔹 Entities to Notify: group names + standalone lights
  entities: >
    {% set notified_light_ids = groups_with_unavailable_lights | map(attribute='attributes.entity_id') | sum(start=[]) %}
    {% set notified_light_ids = notified_light_ids | unique %}
    {% set standalone_lights = all_unavailable_lights | rejectattr('entity_id', 'in', notified_light_ids) | list %}
    {% set group_names = groups_with_unavailable_lights | map(attribute='attributes.friendly_name') | list %}
    {% set light_names = standalone_lights | map(attribute='attributes.friendly_name') | list %}
    {{ (group_names + light_names) | sort }}

  has_unavailable: "{{ entities | count > 0 }}"

trigger:
  # 🔹 Detecta cambios en luces unavailable
  - platform: template
    value_template: "{{ states.light | selectattr('state', 'eq', 'unavailable') | list | count > 0 }}"
    for:
      minutes: !input delay

  # 🔹 Se dispara al inicio del horario
  - 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