From 044d71f0164a867605225000a9e18d7b7091476d Mon Sep 17 00:00:00 2001
From: Erik Montnemery <erik@montnemery.com>
Date: Fri, 1 Apr 2022 14:18:08 +0200
Subject: [PATCH] Add color mode support to zengge light (#55260)

---
 homeassistant/components/zengge/light.py | 39 ++++++++++++++----------
 1 file changed, 23 insertions(+), 16 deletions(-)

diff --git a/homeassistant/components/zengge/light.py b/homeassistant/components/zengge/light.py
index 0a4392ff855..057c643f409 100644
--- a/homeassistant/components/zengge/light.py
+++ b/homeassistant/components/zengge/light.py
@@ -9,11 +9,10 @@ from zengge import zengge
 from homeassistant.components.light import (
     ATTR_BRIGHTNESS,
     ATTR_HS_COLOR,
-    ATTR_WHITE_VALUE,
+    ATTR_WHITE,
+    COLOR_MODE_HS,
+    COLOR_MODE_WHITE,
     PLATFORM_SCHEMA,
-    SUPPORT_BRIGHTNESS,
-    SUPPORT_COLOR,
-    SUPPORT_WHITE_VALUE,
     LightEntity,
 )
 from homeassistant.const import CONF_DEVICES, CONF_NAME
@@ -25,8 +24,6 @@ import homeassistant.util.color as color_util
 
 _LOGGER = logging.getLogger(__name__)
 
-SUPPORT_ZENGGE_LED = SUPPORT_BRIGHTNESS | SUPPORT_COLOR | SUPPORT_WHITE_VALUE
-
 DEVICE_SCHEMA = vol.Schema({vol.Optional(CONF_NAME): cv.string})
 
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
@@ -103,20 +100,27 @@ class ZenggeLight(LightEntity):
         return self._white
 
     @property
-    def supported_features(self):
-        """Flag supported features."""
-        return SUPPORT_ZENGGE_LED
+    def color_mode(self):
+        """Return the current color mode."""
+        if self._white != 0:
+            return COLOR_MODE_WHITE
+        return COLOR_MODE_HS
+
+    @property
+    def supported_color_modes(self):
+        """Flag supported color modes."""
+        return {COLOR_MODE_HS, COLOR_MODE_WHITE}
 
     @property
     def assumed_state(self):
         """We can report the actual state."""
         return False
 
-    def set_rgb(self, red, green, blue):
+    def _set_rgb(self, red, green, blue):
         """Set the rgb state."""
         return self._bulb.set_rgb(red, green, blue)
 
-    def set_white(self, white):
+    def _set_white(self, white):
         """Set the white state."""
         return self._bulb.set_white(white)
 
@@ -126,28 +130,29 @@ class ZenggeLight(LightEntity):
         self._bulb.on()
 
         hs_color = kwargs.get(ATTR_HS_COLOR)
-        white = kwargs.get(ATTR_WHITE_VALUE)
+        white = kwargs.get(ATTR_WHITE)
         brightness = kwargs.get(ATTR_BRIGHTNESS)
 
         if white is not None:
-            self._white = white
+            # Change the bulb to white
+            self._brightness = self._white = white
             self._hs_color = (0, 0)
 
         if hs_color is not None:
+            # Change the bulb to hs
             self._white = 0
             self._hs_color = hs_color
 
         if brightness is not None:
-            self._white = 0
             self._brightness = brightness
 
         if self._white != 0:
-            self.set_white(self._white)
+            self._set_white(self._brightness)
         else:
             rgb = color_util.color_hsv_to_RGB(
                 self._hs_color[0], self._hs_color[1], self._brightness / 255 * 100
             )
-            self.set_rgb(*rgb)
+            self._set_rgb(*rgb)
 
     def turn_off(self, **kwargs):
         """Turn the specified light off."""
@@ -161,4 +166,6 @@ class ZenggeLight(LightEntity):
         self._hs_color = hsv[:2]
         self._brightness = (hsv[2] / 100) * 255
         self._white = self._bulb.get_white()
+        if self._white:
+            self._brightness = self._white
         self._state = self._bulb.get_on()