Adapt lights simultaneously instead of one by one (#529)

* Update switch.py

* Update test_switch.py

* Revert "Update test_switch.py"

This reverts commit 87ea524.

* remove unnecessary create_task

* remove unneeded len()

* Revert "remove unnecessary create_task"

This reverts commit 2c5da6d.

* use `hass.async_create_task`

---------

Co-authored-by: Bas Nijholt <[email protected]>
Co-authored-by: Bas Nijholt <[email protected]>

Author: th3w1zard1

custom_components/adaptive_lighting/switch.py

@@ -1399,7 +1399,7 @@ async def _update_attrs_and_maybe_adapt_lights(
         adapt_color = self.adapt_color_switch.is_on
         assert isinstance(adapt_brightness, bool)
         assert isinstance(adapt_color, bool)
-
+        tasks = []
         for light in filtered_lights:
             manually_controlled = (
                 self._take_over_control
@@ -1446,7 +1446,13 @@ async def _update_attrs_and_maybe_adapt_lights(
                 transition,
                 context.id,
             )
-            await self._adapt_light(light, context, transition, force=force)
+            coro = self._adapt_light(light, context, transition, force=force)
+            task = self.hass.async_create_task(
+                coro,
+            )
+            tasks.append(task)
+        if tasks:
+            await asyncio.gather(*tasks)
 
     async def _respond_to_off_to_on_event(self, entity_id: str, event: Event) -> None:
         assert not self.manager.is_proactively_adapting(event.context.id)