Migrate nanoleaf light to color_mode (#69429)

homeassistant/components/nanoleaf/light.py

@@ -12,9 +12,8 @@ from homeassistant.components.light import (
     ATTR_EFFECT,
     ATTR_HS_COLOR,
     ATTR_TRANSITION,
-    SUPPORT_BRIGHTNESS,
-    SUPPORT_COLOR,
-    SUPPORT_COLOR_TEMP,
+    COLOR_MODE_COLOR_TEMP,
+    COLOR_MODE_HS,
     SUPPORT_EFFECT,
     SUPPORT_TRANSITION,
     LightEntity,
@@ -47,6 +46,9 @@ async def async_setup_entry(
 class NanoleafLight(NanoleafEntity, LightEntity):
     """Representation of a Nanoleaf Light."""
 
+    _attr_supported_color_modes = {COLOR_MODE_COLOR_TEMP, COLOR_MODE_HS}
+    _attr_supported_features = SUPPORT_EFFECT | SUPPORT_TRANSITION
+
     def __init__(self, nanoleaf: Nanoleaf, coordinator: DataUpdateCoordinator) -> None:
         """Initialize the Nanoleaf light."""
         super().__init__(nanoleaf, coordinator)
@@ -97,15 +99,14 @@ class NanoleafLight(NanoleafEntity, LightEntity):
         return self._nanoleaf.hue, self._nanoleaf.saturation
 
     @property
-    def supported_features(self) -> int:
-        """Flag supported features."""
-        return (
-            SUPPORT_BRIGHTNESS
-            | SUPPORT_COLOR_TEMP
-            | SUPPORT_EFFECT
-            | SUPPORT_COLOR
-            | SUPPORT_TRANSITION
-        )
+    def color_mode(self) -> str | None:
+        """Return the color mode of the light."""
+        # According to API docs, color mode is "ct", "effect" or "hs"
+        # https://forum.nanoleaf.me/docs/openapi#_4qgqrz96f44d
+        if self._nanoleaf.color_mode == "ct":
+            return COLOR_MODE_COLOR_TEMP
+        # Home Assistant does not have an "effect" color mode, just report hs
+        return COLOR_MODE_HS
 
     async def async_turn_on(self, **kwargs: Any) -> None:
         """Instruct the light to turn on."""