Revert lights to previous state after timed automation

@nickraffy wrote:

I have an automation that changes the color of a light depending on the amount of time I have before I have to leave for work. Currently I use an automation that activates 1 minute prior to the indicator automation to take a snapshot of the lights current state and then another script that activates 1 minute after the indicator automation to restore the lights initial state. The indicator automation is set to run between a specific time period. I am wondering if there is a way to condense this into a single automation that runs the indicator action for a set amount of time? I tried looking into using a for loop with a 1 minute delay per loop but I don’t know that I can place an entire action within a for loop.

The time_to_leave sensor gives a value in minutes before I am supposed to leave and goes negative once the time has passed (resets every day at midnight). I currently update that sensor manually within the automation since it uses the now() function.

Indicator automation action:

data_template:
  brightness_pct: 30
  color_name: >-
    {% set leave = states('sensor.time_to_leave')| int %} 
    {% if leave > 2 %}
      green
    {% elif 0 < leave <= 2 %}
      yellow
    {% else %}
      red
    {% endif %}
  entity_id: light.living_room
service: light.turn_on

The actions to take a snapshot and restore light state:

data:
  scene_id: leave_time_revert
  snapshot_entities: light.living_room
service: scene.create

data: {}
entity_id: scene.leave_time_revert
service: scene.turn_on

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