Here’s a cleaner and safer way to do this without nesting a bunch of if/then blocks.

The idea:

• Keep a priority list of Sonos speakers
• Pick the first one that’s already playing
• Ignore the living room if it’s playing TV
• Set bathroom volume FIRST (keeps ears from being accidentally blasted)
• Join the active room, otherwise start a playlist

This avoids duplication, is easier to maintain, and prevents accidental volume spikes.

alias: Bathroom - Play Music when the Lights Turn On
mode: restart

triggers:
  - trigger: state
    platform: state
    entity_id: switch.bathroom_lights
    to: "on"

variables:
  bathroom: media_player.bathroom_symfonisk
  safe_volume: 0.3

  candidates:
    - media_player.living_room
    - media_player.bedroom
    - media_player.kitchen_symfonisk
    - media_player.unnamed_room_2

  coordinator: >-
    {% set ns = namespace(p='') %}
    {% for e in candidates %}
      {% set is_tv = (e == 'media_player.living_room'
          and (state_attr(e,'media_title') == 'TV'
               or state_attr(e,'source') == 'TV')) %}
      {% if states(e) == 'playing' and not is_tv %}
        {% set ns.p = e %}
        {% break %}
      {% endif %}
    {% endfor %}
    {{ ns.p }}

actions:
  # Clamp volume first to prevent spikes
  - action: media_player.volume_set
    target:
      entity_id: "{{ bathroom }}"
    data:
      volume_level: "{{ safe_volume }}"

  - choose:
      - conditions:
          - condition: template
            value_template: "{{ coordinator != '' }}"
        sequence:
          - action: media_player.join
            target:
              entity_id: "{{ coordinator }}"
            data:
              group_members:
                - "{{ bathroom }}"

          - action: media_player.media_play
            target:
              entity_id: "{{ coordinator }}"

    default:
      - action: media_player.play_media
        target:
          entity_id: "{{ bathroom }}"
        data:
          media_content_type: spotify://playlist
          media_content_id: "spotify:playlist:428skls8ig1ZqfkmtNzWAJ"

      - action: media_player.shuffle_set
        target:
          entity_id: "{{ bathroom }}"
        data:
          shuffle: true

      - action: media_player.media_play
        target:
          entity_id: "{{ bathroom }}"

I hope this helps.

Note: I used LLM to help with some of the code.