Add yeelight nightlight support via separate light entity (#26224)

* Add yeelight nightligh support via separate light entity

* Fix lint too many ancestors

* PR fixes

homeassistant/components/yeelight/__init__.py

@@ -37,6 +37,7 @@ CONF_SAVE_ON_CHANGE = "save_on_change"
 CONF_MODE_MUSIC = "use_music_mode"
 CONF_FLOW_PARAMS = "flow_params"
 CONF_CUSTOM_EFFECTS = "custom_effects"
+CONF_NIGHTLIGHT_SWITCH_TYPE = "nightlight_switch_type"
 
 ATTR_COUNT = "count"
 ATTR_ACTION = "action"
@@ -48,6 +49,8 @@ ACTION_OFF = "off"
 
 ACTIVE_MODE_NIGHTLIGHT = "1"
 
+NIGHTLIGHT_SWITCH_TYPE_LIGHT = "light"
+
 SCAN_INTERVAL = timedelta(seconds=30)
 
 YEELIGHT_RGB_TRANSITION = "RGBTransition"
@@ -84,6 +87,9 @@ DEVICE_SCHEMA = vol.Schema(
         vol.Optional(CONF_TRANSITION, default=DEFAULT_TRANSITION): cv.positive_int,
         vol.Optional(CONF_MODE_MUSIC, default=False): cv.boolean,
         vol.Optional(CONF_SAVE_ON_CHANGE, default=False): cv.boolean,
+        vol.Optional(CONF_NIGHTLIGHT_SWITCH_TYPE): vol.Any(
+            NIGHTLIGHT_SWITCH_TYPE_LIGHT
+        ),
         vol.Optional(CONF_MODEL): cv.string,
     }
 )
@@ -256,10 +262,12 @@ class YeelightDevice:
 
         return self._device_type
 
-    def turn_on(self, duration=DEFAULT_TRANSITION, light_type=None):
+    def turn_on(self, duration=DEFAULT_TRANSITION, light_type=None, power_mode=None):
         """Turn on device."""
         try:
-            self.bulb.turn_on(duration=duration, light_type=light_type)
+            self.bulb.turn_on(
+                duration=duration, light_type=light_type, power_mode=power_mode
+            )
         except BulbException as ex:
             _LOGGER.error("Unable to turn the bulb on: %s", ex)
 

homeassistant/components/yeelight/light.py

@@ -45,6 +45,8 @@ from . import (
     CONF_FLOW_PARAMS,
     ATTR_ACTION,
     ATTR_COUNT,
+    NIGHTLIGHT_SWITCH_TYPE_LIGHT,
+    CONF_NIGHTLIGHT_SWITCH_TYPE,
 )
 
 _LOGGER = logging.getLogger(__name__)
@@ -177,6 +179,9 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     _LOGGER.debug("Adding %s", device.name)
 
     custom_effects = _parse_custom_effects(discovery_info[CONF_CUSTOM_EFFECTS])
+    nl_switch_light = (
+        discovery_info.get(CONF_NIGHTLIGHT_SWITCH_TYPE) == NIGHTLIGHT_SWITCH_TYPE_LIGHT
+    )
 
     lights = []
 
@@ -193,9 +198,17 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     elif device_type == BulbType.Color:
         _lights_setup_helper(YeelightColorLight)
     elif device_type == BulbType.WhiteTemp:
-        _lights_setup_helper(YeelightWhiteTempLight)
+        if nl_switch_light and device.is_nightlight_supported:
+            _lights_setup_helper(YeelightWithNightLight)
+            _lights_setup_helper(YeelightNightLightMode)
+        else:
+            _lights_setup_helper(YeelightWhiteTempWithoutNightlightSwitch)
     elif device_type == BulbType.WhiteTempMood:
-        _lights_setup_helper(YeelightWithAmbientLight)
+        if nl_switch_light and device.is_nightlight_supported:
+            _lights_setup_helper(YeelightNightLightMode)
+            _lights_setup_helper(YeelightWithAmbientAndNightlight)
+        else:
+            _lights_setup_helper(YeelightWithAmbientWithoutNightlight)
         _lights_setup_helper(YeelightAmbientLight)
     else:
         _lights_setup_helper(YeelightGenericLight)
@@ -376,6 +389,10 @@ class YeelightGenericLight(Light):
     def _power_property(self):
         return "power"
 
+    @property
+    def _turn_on_power_mode(self):
+        return PowerMode.LAST
+
     @property
     def _predefined_effects(self):
         return YEELIGHT_MONO_EFFECT_LIST
@@ -559,7 +576,11 @@ class YeelightGenericLight(Light):
         if ATTR_TRANSITION in kwargs:  # passed kwarg overrides config
             duration = int(kwargs.get(ATTR_TRANSITION) * 1000)  # kwarg in s
 
-        self.device.turn_on(duration=duration, light_type=self.light_type)
+        self.device.turn_on(
+            duration=duration,
+            light_type=self.light_type,
+            power_mode=self._turn_on_power_mode,
+        )
 
         if self.config[CONF_MODE_MUSIC] and not self._bulb.music_mode:
             try:
@@ -632,7 +653,7 @@ class YeelightColorLight(YeelightGenericLight):
         return YEELIGHT_COLOR_EFFECT_LIST
 
 
-class YeelightWhiteTempLight(YeelightGenericLight):
+class YeelightWhiteTempLightsupport:
     """Representation of a Color Yeelight light."""
 
     @property
@@ -640,17 +661,84 @@ class YeelightWhiteTempLight(YeelightGenericLight):
         """Flag supported features."""
         return SUPPORT_YEELIGHT_WHITE_TEMP
 
+    @property
+    def _predefined_effects(self):
+        return YEELIGHT_TEMP_ONLY_EFFECT_LIST
+
+
+class YeelightWhiteTempWithoutNightlightSwitch(
+    YeelightGenericLight, YeelightWhiteTempLightsupport
+):
+    """White temp light, when nightlight switch is not set to light."""
+
     @property
     def _brightness_property(self):
         return "current_brightness"
 
+
+class YeelightWithNightLight(YeelightGenericLight, YeelightWhiteTempLightsupport):
+    """Representation of a Yeelight with nightlight support.
+
+    It represents case when nightlight switch is set to light.
+    """
+
+    @property
+    def is_on(self) -> bool:
+        """Return true if device is on."""
+        return super().is_on and not self.device.is_nightlight_enabled
+
+    @property
+    def _turn_on_power_mode(self):
+        return PowerMode.NORMAL
+
+
+class YeelightNightLightMode(YeelightGenericLight):
+    """Representation of a Yeelight when in nightlight mode."""
+
+    @property
+    def name(self) -> str:
+        """Return the name of the device if any."""
+        return f"{self.device.name} nightlight"
+
+    @property
+    def icon(self):
+        """Return the icon to use in the frontend, if any."""
+        return "mdi:weather-night"
+
+    @property
+    def is_on(self) -> bool:
+        """Return true if device is on."""
+        return super().is_on and self.device.is_nightlight_enabled
+
+    @property
+    def _brightness_property(self):
+        return "nl_br"
+
+    @property
+    def _turn_on_power_mode(self):
+        return PowerMode.MOONLIGHT
+
     @property
     def _predefined_effects(self):
         return YEELIGHT_TEMP_ONLY_EFFECT_LIST
 
 
-class YeelightWithAmbientLight(YeelightWhiteTempLight):
-    """Representation of a Yeelight which has ambilight support."""
+class YeelightWithAmbientWithoutNightlight(YeelightWhiteTempWithoutNightlightSwitch):
+    """Representation of a Yeelight which has ambilight support.
+
+    And nightlight switch type is none.
+    """
+
+    @property
+    def _power_property(self):
+        return "main_power"
+
+
+class YeelightWithAmbientAndNightlight(YeelightWithNightLight):
+    """Representation of a Yeelight which has ambilight support.
+
+    And nightlight switch type is set to light.
+    """
 
     @property
     def _power_property(self):