Sensor Check Test

  platform: template
  sensors:
    camera_sensor_check_status_array:
      entity_id:
        - group.unifi_cameras
      value_template: >-
        [{%- for e in state_attr('group.camera_sensor_check', 'entity_id') %}
          {% if loop.first %}{% else %},{% endif %}
          {%- if states(e)|lower == 'on' %}1{% else %}0{% endif -%}
        {%- endfor -%}]
    camera_sensor_check_status_on:
      entity_id:
        - sensor.camera_sensor_check_status_array
      icon_template: 'mdi:cctv'
      unit_of_measurement: count
      friendly_name: Cameras Online
      value_template: >-
        {{ states('sensor.camera_sensor_check_status_array')|from_json|sum }}
    camera_sensor_check_status_count:
      entity_id:
        - sensor.camera_sensor_check_status_array
      icon_template: 'mdi:cctv'
      friendly_name: Lights Count
      unit_of_measurement: count
      value_template: >-
        {{ states('sensor.camera_sensor_check_status_array')|from_json|length }}
    camera_sensor_check_status_percent:
      entity_id:
        - sensor.camera_sensor_check_status_on
        - sensor.camera_sensor_check_status_count
      friendly_name: Cameras Online
      icon_template: 'mdi:cctv'
      unit_of_measurement: '%'
      value_template: >-
        {{ '%0.1f' | format(states('sensor.camera_sensor_check_status_on')|float / states('sensor.camera_sensor_check_status_count')|float * 100.0) }}
    camera_sensor_check_status:
      entity_id:
        - sensor.camera_sensor_check_status_percent
      friendly_name: Cameras Online
      icon_template: 'mdi:cctv'
      value_template: >-
        {{ states('sensor.camera_sensor_check_status_on') -}}/{{-  states('sensor.camera_sensor_check_status_count') -}}