Only run timer on unoccupied if lights are on

Also don't restart timer if it was already running.

packages/lighting_and_scenes.yaml

@@ -662,11 +662,21 @@ automation:
         - condition: trigger
           id: basement-unoccupied
         sequence:
-        - service: timer.start
+        - if:
-          target:
+          - condition: state
-            entity_id: timer.basement_studio_door_timer
+            entity_id: light.basement_studio_lights
-          data:
+            state: 'on'
-            duration: "{{ (states('input_number.basement_studio_lights_off_delay') | int ) * 60 }}"
+          then:
+          - if:
+            - condition: state
+              entity_id: timer.basement_studio_door_timer
+              state: idle
+            then:
+            - service: timer.start
+              target:
+                entity_id: timer.basement_studio_door_timer
+              data:
+                duration: "{{ (states('input_number.basement_studio_lights_off_delay') | int ) * 60 }}"
       - conditions:
         - condition: trigger
           id: timer-finished