A HASSIO Blueprint

select_follows_select.yaml

blueprint:
  name: Selects Follows Select
  description: Have a set of selects follow another select, and optionally have a scene named `scene.{leader_id}_{option} activated.
  domain: automation
  input:
    select_parent:
      name: Leader
      selector:
        entity:
          domain:
            - "input_select"
            - "select"
    select_children:
      name: Followers
      default: {}
      selector:
        target:
          entity:
            domain: select
    input_select_children:
      name: Input Select Followers
      default: {}
      selector:
        target:
          entity:
            domain: input_select
    scene_follow:
      name: Have Scene Follow
      selector:
        boolean:
    reset_mode:
      name: Reset Mode Name
      description: Enter a mode name here, and the input select will reset itself back to this mode after selecting a new mode, without having anything follow it.
      default: 
      selector:
        text:

trigger:
  platform: state
  entity_id: !input select_parent
mode: parallel

variables:
  select_children: !input select_children
  input_select_children: !input input_select_children
  select_parent: !input select_parent
  option: "{{ trigger.to_state.state }}"
  scene_follow: !input scene_follow
  reset_mode: !input reset_mode

action:
  - if:
    - condition: template
      value_template: "{{ this.state != reset_mode }}"
    then:
      - parallel:
          - if:
              - condition: template
                value_template: "{{ scene_follow }}"
            then:
              - service: scene.turn_on
                data: {}
                target:
                  entity_id: "{{ select_parent|replace('input_select.', 'scene.') }}_{{ option|lower|replace(' ', '_') }}"
          - if:
              - condition: template
                value_template: "{{ input_select_children != {} }}"
            then:
              - service: input_select.select_option
                data:
                  option: "{{ option }}"
                target: !input input_select_children
          - if:
              - condition: template
                value_template: "{{ select_children != {} }}"
            then:
              - service: select.select_option
                data:
                  option: "{{ option }}"
                target: !input select_children
          - if:
              - condition: template
                value_template: "{{ reset_mode != '' }}"
            then:
              - if:
                  - condition: template
                    value_template: "{{ 'input_select.' in select_parent }}"
                then:
                  - service: input_select.select_option
                    data:
                      option: "{{ reset_mode }}"
                      entity_id: "{{ select_parent }}"
                else:
                  - service: select.select_option
                    data:
                      option: "{{ reset_mode }}"
                      entity_id: "{{ select_parent }}"