String manipulation for input_text

Yea, but in a very bad way.
I update it after each setting of a new scene, can probably de done better…
Each automation for setting of new scene ends with…

- service: input_text.set_value
  entity_id: input_text.active_scene
  data_template:
    value: >-
      {% if is_state('input_boolean.away_mode', 'on') %}
        scene.house_nights_away
      {% else %}
        scene.house_nights
      {% endif %}