From 456582ed2d6f8e13fd6c087992f15a918aef2da9 Mon Sep 17 00:00:00 2001
From: Franck Nijhof <git@frenck.dev>
Date: Fri, 28 Aug 2026 18:13:19 +0200
Subject: [PATCH] Apply AiDot color when brightness is sent along with it
 (#180391)

---
 homeassistant/components/aidot/light.py | 10 ++++--
 tests/components/aidot/test_light.py    | 44 +++++++++++++++++++++++++
 2 files changed, 51 insertions(+), 3 deletions(-)

diff --git a/homeassistant/components/aidot/light.py b/homeassistant/components/aidot/light.py
index a216e788f8cd..1f0ec3d7eac7 100644
--- a/homeassistant/components/aidot/light.py
+++ b/homeassistant/components/aidot/light.py
@@ -92,13 +92,16 @@ class AidotLight(CoordinatorEntity[AidotDeviceUpdateCoordinator], LightEntity):
 
     @override
     async def async_turn_on(self, **kwargs: Any) -> None:
-        """Turn the light on, applying brightness, color temperature, RGBW, or plain on."""
+        """Turn the light on, applying any requested brightness and color."""
+        # Brightness is independent of color: a scene sends both at once, and
+        # the color must not be dropped just because brightness came with it.
         if ATTR_BRIGHTNESS in kwargs:
             brightness = kwargs.get(ATTR_BRIGHTNESS, 255)
             await self.coordinator.device_client.async_set_brightness(brightness)
             self.coordinator.data.dimming = brightness
             self._attr_brightness = brightness
-        elif ATTR_COLOR_TEMP_KELVIN in kwargs:
+
+        if ATTR_COLOR_TEMP_KELVIN in kwargs:
             color_temp_kelvin = kwargs.get(ATTR_COLOR_TEMP_KELVIN)
             await self.coordinator.device_client.async_set_cct(color_temp_kelvin)
             self.coordinator.data.cct = color_temp_kelvin
@@ -110,7 +113,8 @@ class AidotLight(CoordinatorEntity[AidotDeviceUpdateCoordinator], LightEntity):
             self.coordinator.data.rgbw = rgbw_color
             self._attr_rgbw_color = rgbw_color
             self._attr_color_mode = ColorMode.RGBW
-        else:
+        elif ATTR_BRIGHTNESS not in kwargs:
+            # Nothing was requested to apply, so just switch it on.
             await self.coordinator.device_client.async_turn_on()
 
         self.coordinator.data.on = True
diff --git a/tests/components/aidot/test_light.py b/tests/components/aidot/test_light.py
index 920343f8f2a9..ab34198d5501 100644
--- a/tests/components/aidot/test_light.py
+++ b/tests/components/aidot/test_light.py
@@ -1,11 +1,13 @@
 """Test the aidot device."""
 
+from typing import Any
 from unittest.mock import AsyncMock, MagicMock, Mock
 
 from aidot.const import CONF_DEVICE_LIST
 from aidot.device_client import DeviceStatusData
 from aidot.exceptions import AidotAuthFailed
 from freezegun.api import FrozenDateTimeFactory
+import pytest
 from syrupy.assertion import SnapshotAssertion
 
 from homeassistant.components.aidot.coordinator import UPDATE_DEVICE_LIST_INTERVAL
@@ -136,6 +138,48 @@ async def test_turn_on_with_rgbw(
     mocked_device_client.async_set_rgbw.assert_called_once()
 
 
+@pytest.mark.parametrize(
+    ("color_data", "applied_call", "ignored_call"),
+    [
+        pytest.param(
+            {ATTR_RGBW_COLOR: (0, 0, 255, 0)},
+            "async_set_rgbw",
+            "async_set_cct",
+            id="rgbw",
+        ),
+        pytest.param(
+            {ATTR_COLOR_TEMP_KELVIN: 3000},
+            "async_set_cct",
+            "async_set_rgbw",
+            id="color_temp",
+        ),
+    ],
+)
+async def test_turn_on_with_brightness_and_color(
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+    mocked_device_client: MagicMock,
+    color_data: dict[str, Any],
+    applied_call: str,
+    ignored_call: str,
+) -> None:
+    """Test brightness and color are both applied when sent together."""
+    await async_init_integration(hass, mock_config_entry)
+
+    # Scenes send brightness and color in a single call.
+    await hass.services.async_call(
+        LIGHT_DOMAIN,
+        SERVICE_TURN_ON,
+        {ATTR_ENTITY_ID: ENTITY_LIGHT, ATTR_BRIGHTNESS: 100, **color_data},
+        blocking=True,
+    )
+
+    mocked_device_client.async_set_brightness.assert_called_once_with(100)
+    getattr(mocked_device_client, applied_call).assert_called_once()
+    getattr(mocked_device_client, ignored_call).assert_not_called()
+    mocked_device_client.async_turn_on.assert_not_called()
+
+
 async def test_light_unavailable(
     hass: HomeAssistant,
     mock_config_entry: MockConfigEntry,