text: """Support for MQTT JSON lights."""
  from contextlib import suppress
  import json
  import logging
  
  import voluptuous as vol
  
  from homeassistant.components.light import (
      ATTR_BRIGHTNESS,
      ATTR_COLOR_MODE,
      ATTR_COLOR_TEMP,
      ATTR_EFFECT,
      ATTR_FLASH,
      ATTR_HS_COLOR,
      ATTR_RGB_COLOR,
      ATTR_RGBW_COLOR,
      ATTR_RGBWW_COLOR,
      ATTR_TRANSITION,
      ATTR_WHITE_VALUE,
      ATTR_XY_COLOR,
      COLOR_MODE_COLOR_TEMP,
      COLOR_MODE_HS,
      COLOR_MODE_RGB,
      COLOR_MODE_RGBW,
      COLOR_MODE_RGBWW,
      COLOR_MODE_XY,
      FLASH_LONG,
      FLASH_SHORT,
      SUPPORT_BRIGHTNESS,
      SUPPORT_COLOR,
      SUPPORT_COLOR_TEMP,
      SUPPORT_EFFECT,
      SUPPORT_FLASH,
      SUPPORT_TRANSITION,
      SUPPORT_WHITE_VALUE,
      VALID_COLOR_MODES,
      LightEntity,
      legacy_supported_features,
      valid_supported_color_modes,
  )
  from homeassistant.const import (
      CONF_BRIGHTNESS,
      CONF_COLOR_TEMP,
      CONF_EFFECT,
      CONF_HS,
      CONF_NAME,
      CONF_OPTIMISTIC,
      CONF_RGB,
      CONF_WHITE_VALUE,
      CONF_XY,
      STATE_ON,
  )
  from homeassistant.core import callback
  import homeassistant.helpers.config_validation as cv
  from homeassistant.helpers.restore_state import RestoreEntity
  from homeassistant.helpers.typing import ConfigType
  import homeassistant.util.color as color_util
  
  from .. import subscription
  from ... import mqtt
  from ..const import CONF_COMMAND_TOPIC, CONF_QOS, CONF_RETAIN, CONF_STATE_TOPIC
  from ..debug_info import log_messages
  from ..mixins import MQTT_ENTITY_COMMON_SCHEMA, MqttEntity
  from .schema import MQTT_LIGHT_SCHEMA_SCHEMA
  from .schema_basic import CONF_BRIGHTNESS_SCALE, MQTT_LIGHT_ATTRIBUTES_BLOCKED
  
  _LOGGER = logging.getLogger(__name__)
  
  DOMAIN = "mqtt_json"
  
  DEFAULT_BRIGHTNESS = False
  DEFAULT_COLOR_MODE = False
  DEFAULT_COLOR_TEMP = False
  DEFAULT_EFFECT = False
  DEFAULT_FLASH_TIME_LONG = 10
  DEFAULT_FLASH_TIME_SHORT = 2
  DEFAULT_NAME = "MQTT JSON Light"
  DEFAULT_OPTIMISTIC = False
  DEFAULT_RGB = False
  DEFAULT_WHITE_VALUE = False
  DEFAULT_XY = False
  DEFAULT_HS = False
  DEFAULT_BRIGHTNESS_SCALE = 255
  
  CONF_COLOR_MODE = "color_mode"
  CONF_SUPPORTED_COLOR_MODES = "supported_color_modes"
  
  CONF_EFFECT_LIST = "effect_list"
  
  CONF_FLASH_TIME_LONG = "flash_time_long"
  CONF_FLASH_TIME_SHORT = "flash_time_short"
  
  CONF_MAX_MIREDS = "max_mireds"
  CONF_MIN_MIREDS = "min_mireds"
  
  
  def valid_color_configuration(config):
      """Test color_mode is not combined with deprecated config."""
      deprecated = {CONF_COLOR_TEMP, CONF_HS, CONF_RGB, CONF_WHITE_VALUE, CONF_XY}
      if config[CONF_COLOR_MODE] and any(config.get(key) for key in deprecated):
          raise vol.Invalid(f"color_mode must not be combined with any of {deprecated}")
      return config
  
  
  _PLATFORM_SCHEMA_BASE = (
      mqtt.MQTT_RW_PLATFORM_SCHEMA.extend(
          {
              vol.Optional(CONF_BRIGHTNESS, default=DEFAULT_BRIGHTNESS): cv.boolean,
              vol.Optional(
                  CONF_BRIGHTNESS_SCALE, default=DEFAULT_BRIGHTNESS_SCALE
              ): vol.All(vol.Coerce(int), vol.Range(min=1)),
              vol.Inclusive(
                  CONF_COLOR_MODE, "color_mode", default=DEFAULT_COLOR_MODE
              ): cv.boolean,
              vol.Optional(CONF_COLOR_TEMP, default=DEFAULT_COLOR_TEMP): cv.boolean,
              vol.Optional(CONF_EFFECT, default=DEFAULT_EFFECT): cv.boolean,
              vol.Optional(CONF_EFFECT_LIST): vol.All(cv.ensure_list, [cv.string]),
              vol.Optional(
                  CONF_FLASH_TIME_LONG, default=DEFAULT_FLASH_TIME_LONG
              ): cv.positive_int,
              vol.Optional(
                  CONF_FLASH_TIME_SHORT, default=DEFAULT_FLASH_TIME_SHORT
              ): cv.positive_int,
              vol.Optional(CONF_HS, default=DEFAULT_HS): cv.boolean,
              vol.Optional(CONF_MAX_MIREDS): cv.positive_int,
              vol.Optional(CONF_MIN_MIREDS): cv.positive_int,
              vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
              vol.Optional(CONF_OPTIMISTIC, default=DEFAULT_OPTIMISTIC): cv.boolean,
              vol.Optional(CONF_QOS, default=mqtt.DEFAULT_QOS): vol.All(
                  vol.Coerce(int), vol.In([0, 1, 2])
              ),
              vol.Optional(CONF_RETAIN, default=mqtt.DEFAULT_RETAIN): cv.boolean,
              vol.Optional(CONF_RGB, default=DEFAULT_RGB): cv.boolean,
              vol.Optional(CONF_STATE_TOPIC): mqtt.valid_subscribe_topic,
              vol.Inclusive(CONF_SUPPORTED_COLOR_MODES, "color_mode"): vol.All(
                  cv.ensure_list,
                  [vol.In(VALID_COLOR_MODES)],
                  vol.Unique(),
                  valid_supported_color_modes,
              ),
              vol.Optional(CONF_WHITE_VALUE, default=DEFAULT_WHITE_VALUE): cv.boolean,
              vol.Optional(CONF_XY, default=DEFAULT_XY): cv.boolean,
          },
      )
      .extend(MQTT_ENTITY_COMMON_SCHEMA.schema)
      .extend(MQTT_LIGHT_SCHEMA_SCHEMA.schema)
  )
  
  PLATFORM_SCHEMA_JSON = vol.All(
      _PLATFORM_SCHEMA_BASE,
      valid_color_configuration,
  )
  
  DISCOVERY_SCHEMA_JSON = vol.All(
      _PLATFORM_SCHEMA_BASE.extend({}, extra=vol.REMOVE_EXTRA),
      valid_color_configuration,
  )
  
  
  async def async_setup_entity_json(
      hass, config: ConfigType, async_add_entities, config_entry, discovery_data
  ):
      """Set up a MQTT JSON Light."""
      async_add_entities([MqttLightJson(hass, config, config_entry, discovery_data)])
  
  
  class MqttLightJson(MqttEntity, LightEntity, RestoreEntity):
      """Representation of a MQTT JSON light."""
  
      _attributes_extra_blocked = MQTT_LIGHT_ATTRIBUTES_BLOCKED
  
      def __init__(self, hass, config, config_entry, discovery_data):
          """Initialize MQTT JSON light."""
          self._state = False
          self._supported_features = 0
  
          self._topic = None
          self._optimistic = False
          self._brightness = None
          self._color_mode = None
          self._color_temp = None
          self._effect = None
          self._flash_times = None
          self._hs = None
          self._rgb = None
          self._rgbw = None
          self._rgbww = None
          self._white_value = None
          self._xy = None
  
          MqttEntity.__init__(self, hass, config, config_entry, discovery_data)
  
      @staticmethod
      def config_schema():
          """Return the config schema."""
          return DISCOVERY_SCHEMA_JSON
  
      def _setup_from_config(self, config):
          """(Re)Setup the entity."""
          self._topic = {
              key: config.get(key) for key in (CONF_STATE_TOPIC, CONF_COMMAND_TOPIC)
          }
          optimistic = config[CONF_OPTIMISTIC]
          self._optimistic = optimistic or self._topic[CONF_STATE_TOPIC] is None
  
          self._flash_times = {
              key: config.get(key)
              for key in (CONF_FLASH_TIME_SHORT, CONF_FLASH_TIME_LONG)
          }
  
          self._supported_features = SUPPORT_TRANSITION | SUPPORT_FLASH
          self._supported_features |= config[CONF_EFFECT] and SUPPORT_EFFECT
          if not self._config[CONF_COLOR_MODE]:
              self._supported_features |= config[CONF_BRIGHTNESS] and SUPPORT_BRIGHTNESS
              self._supported_features |= config[CONF_COLOR_TEMP] and SUPPORT_COLOR_TEMP
              self._supported_features |= config[CONF_HS] and SUPPORT_COLOR
              self._supported_features |= config[CONF_RGB] and (
                  SUPPORT_COLOR | SUPPORT_BRIGHTNESS
              )
              self._supported_features |= config[CONF_WHITE_VALUE] and SUPPORT_WHITE_VALUE
              self._supported_features |= config[CONF_XY] and SUPPORT_COLOR
  
      def _update_color(self, values):
          if not self._config[CONF_COLOR_MODE]:
              # Deprecated color handling
              try:
                  red = int(values["color"]["r"])
                  green = int(values["color"]["g"])
                  blue = int(values["color"]["b"])
                  self._hs = color_util.color_RGB_to_hs(red, green, blue)
              except KeyError:
                  pass
              except ValueError:
                  _LOGGER.warning("Invalid RGB color value received")
                  return
  
              try:
                  x_color = float(values["color"]["x"])
                  y_color = float(values["color"]["y"])
                  self._hs = color_util.color_xy_to_hs(x_color, y_color)
              except KeyError:
                  pass
              except ValueError:
                  _LOGGER.warning("Invalid XY color value received")
                  return
  
              try:
                  hue = float(values["color"]["h"])
                  saturation = float(values["color"]["s"])
                  self._hs = (hue, saturation)
              except KeyError:
                  pass
              except ValueError:
                  _LOGGER.warning("Invalid HS color value received")
                  return
          else:
              color_mode = values["color_mode"]
              if not self._supports_color_mode(color_mode):
                  _LOGGER.warning("Invalid color mode received")
                  return
              try:
                  if color_mode == COLOR_MODE_COLOR_TEMP:
                      self._color_temp = int(values["color_temp"])
                      self._color_mode = COLOR_MODE_COLOR_TEMP
                  elif color_mode == COLOR_MODE_HS:
                      hue = float(values["color"]["h"])
                      saturation = float(values["color"]["s"])
                      self._color_mode = COLOR_MODE_HS
                      self._hs = (hue, saturation)
                  elif color_mode == COLOR_MODE_RGB:
                      r = int(values["color"]["r"])  # pylint: disable=invalid-name
                      g = int(values["color"]["g"])  # pylint: disable=invalid-name
                      b = int(values["color"]["b"])  # pylint: disable=invalid-name
                      self._color_mode = COLOR_MODE_RGB
                      self._rgb = (r, g, b)
                  elif color_mode == COLOR_MODE_RGBW:
                      r = int(values["color"]["r"])  # pylint: disable=invalid-name
                      g = int(values["color"]["g"])  # pylint: disable=invalid-name
                      b = int(values["color"]["b"])  # pylint: disable=invalid-name
                      w = int(values["color"]["w"])  # pylint: disable=invalid-name
                      self._color_mode = COLOR_MODE_RGBW
                      self._rgbw = (r, g, b, w)
                  elif color_mode == COLOR_MODE_RGBWW:
                      r = int(values["color"]["r"])  # pylint: disable=invalid-name
                      g = int(values["color"]["g"])  # pylint: disable=invalid-name
                      b = int(values["color"]["b"])  # pylint: disable=invalid-name
                      c = int(values["color"]["c"])  # pylint: disable=invalid-name
                      w = int(values["color"]["w"])  # pylint: disable=invalid-name
                      self._color_mode = COLOR_MODE_RGBWW
                      self._rgbww = (r, g, b, c, w)
                  elif color_mode == COLOR_MODE_XY:
                      x = float(values["color"]["x"])  # pylint: disable=invalid-name
                      y = float(values["color"]["y"])  # pylint: disable=invalid-name
                      self._color_mode = COLOR_MODE_XY
                      self._xy = (x, y)
              except (KeyError, ValueError):
                  _LOGGER.warning("Invalid or incomplete color value received")
  
      async def _subscribe_topics(self):
          """(Re)Subscribe to topics."""
          last_state = await self.async_get_last_state()
  
          @callback
          @log_messages(self.hass, self.entity_id)
          def state_received(msg):
              """Handle new MQTT messages."""
              values = json.loads(msg.payload)
  
              if values["state"] == "ON":
                  self._state = True
              elif values["state"] == "OFF":
                  self._state = False
  
              if self._supported_features and SUPPORT_COLOR and "color" in values:
                  if values["color"] is None:
                      self._hs = None
                  else:
                      self._update_color(values)
  
              if self._config[CONF_COLOR_MODE] and "color_mode" in values:
                  self._update_color(values)
  
              if self._supported_features and SUPPORT_BRIGHTNESS:
                  try:
                      self._brightness = int(
                          values["brightness"]
                          / float(self._config[CONF_BRIGHTNESS_SCALE])
                          * 255
                      )
                  except KeyError:
                      pass
                  except (TypeError, ValueError):
                      _LOGGER.warning("Invalid brightness value received")
  
              if (
                  self._supported_features
                  and SUPPORT_COLOR_TEMP
                  and not self._config[CONF_COLOR_MODE]
              ):
                  try:
                      if values["color_temp"] is None:
                          self._color_temp = None
                      else:
                          self._color_temp = int(values["color_temp"])
                  except KeyError:
                      pass
                  except ValueError:
                      _LOGGER.warning("Invalid color temp value received")
  
              if self._supported_features and SUPPORT_EFFECT:
                  with suppress(KeyError):
                      self._effect = values["effect"]
  
              if self._supported_features and SUPPORT_WHITE_VALUE:
                  try:
                      self._white_value = int(values["white_value"])
                  except KeyError:
                      pass
                  except ValueError:
                      _LOGGER.warning("Invalid white value received")
  
              self.async_write_ha_state()
  
          if self._topic[CONF_STATE_TOPIC] is not None:
              self._sub_state = await subscription.async_subscribe_topics(
                  self.hass,
                  self._sub_state,
                  {
                      "state_topic": {
                          "topic": self._topic[CONF_STATE_TOPIC],
                          "msg_callback": state_received,
                          "qos": self._config[CONF_QOS],
                      }
                  },
              )
  
          if self._optimistic and last_state:
              self._state = last_state.state == STATE_ON
              last_attributes = last_state.attributes
              self._brightness = last_attributes.get(ATTR_BRIGHTNESS, self._brightness)
              self._color_mode = last_attributes.get(ATTR_COLOR_MODE, self._color_mode)
              self._color_temp = last_attributes.get(ATTR_COLOR_TEMP, self._color_temp)
              self._effect = last_attributes.get(ATTR_EFFECT, self._effect)
              self._hs = last_attributes.get(ATTR_HS_COLOR, self._hs)
              self._rgb = last_attributes.get(ATTR_RGB_COLOR, self._rgb)
              self._rgbw = last_attributes.get(ATTR_RGBW_COLOR, self._rgbw)
              self._rgbww = last_attributes.get(ATTR_RGBWW_COLOR, self._rgbww)
              self._white_value = last_attributes.get(ATTR_WHITE_VALUE, self._white_value)
              self._xy = last_attributes.get(ATTR_XY_COLOR, self._xy)
  
      @property
      def brightness(self):
          """Return the brightness of this light between 0..255."""
          return self._brightness
  
      @property
      def color_temp(self):
          """Return the color temperature in mired."""
          return self._color_temp
  
      @property
      def min_mireds(self):
          """Return the coldest color_temp that this light supports."""
          return self._config.get(CONF_MIN_MIREDS, super().min_mireds)
  
      @property
      def max_mireds(self):
          """Return the warmest color_temp that this light supports."""
          return self._config.get(CONF_MAX_MIREDS, super().max_mireds)
  
      @property
      def effect(self):
          """Return the current effect."""
          return self._effect
  
      @property
      def effect_list(self):
          """Return the list of supported effects."""
          return self._config.get(CONF_EFFECT_LIST)
  
      @property
      def hs_color(self):
          """Return the hs color value."""
          return self._hs
  
      @property
      def rgb_color(self):
          """Return the hs color value."""
          return self._rgb
  
      @property
      def rgbw_color(self):
          """Return the hs color value."""
          return self._rgbw
  
      @property
      def rgbww_color(self):
          """Return the hs color value."""
          return self._rgbww
  
      @property
      def xy_color(self):
          """Return the hs color value."""
          return self._xy
  
      @property
      def white_value(self):
          """Return the white property."""
          return self._white_value
  
      @property
      def is_on(self):
          """Return true if device is on."""
          return self._state
  
      @property
      def assumed_state(self):
          """Return true if we do optimistic updates."""
          return self._optimistic
  
      @property
      def color_mode(self):
          """Return current color mode."""
          return self._color_mode
  
      @property
      def supported_color_modes(self):
          """Flag supported color modes."""
          return self._config.get(CONF_SUPPORTED_COLOR_MODES)
  
      @property
      def supported_features(self):
          """Flag supported features."""
          return legacy_supported_features(
              self._supported_features, self._config.get(CONF_SUPPORTED_COLOR_MODES)
          )
  
      def _set_flash_and_transition(self, message, **kwargs):
          if ATTR_TRANSITION in kwargs:
              message["transition"] = kwargs[ATTR_TRANSITION]
  
          if ATTR_FLASH in kwargs:
              flash = kwargs.get(ATTR_FLASH)
  
              if flash == FLASH_LONG:
                  message["flash"] = self._flash_times[CONF_FLASH_TIME_LONG]
              elif flash == FLASH_SHORT:
                  message["flash"] = self._flash_times[CONF_FLASH_TIME_SHORT]
  
      def _scale_rgbxx(self, rgbxx, kwargs):
          # If there's a brightness topic set, we don't want to scale the
          # RGBxx values given using the brightness.
          if self._config[CONF_BRIGHTNESS]:
              brightness = 255
          else:
              brightness = kwargs.get(ATTR_BRIGHTNESS, 255)
          return tuple(round(i / 255 * brightness) for i in rgbxx)
  
      def _supports_color_mode(self, color_mode):
          return self.supported_color_modes and color_mode in self.supported_color_modes
  
      async def async_turn_on(self, **kwargs):  # noqa: C901
          """Turn the device on.
  
          This method is a coroutine.
          """
          should_update = False
  
          message = {"state": "ON"}
  
          if ATTR_HS_COLOR in kwargs and (
              self._config[CONF_HS] or self._config[CONF_RGB] or self._config[CONF_XY]
          ):
              hs_color = kwargs[ATTR_HS_COLOR]
              message["color"] = {}
              if self._config[CONF_RGB]:
                  # If there's a brightness topic set, we don't want to scale the
                  # RGB values given using the brightness.
                  if self._config[CONF_BRIGHTNESS]:
                      brightness = 255
                  else:
                      brightness = kwargs.get(ATTR_BRIGHTNESS, 255)
                  rgb = color_util.color_hsv_to_RGB(
                      hs_color[0], hs_color[1], brightness / 255 * 100
                  )
                  message["color"]["r"] = rgb[0]
                  message["color"]["g"] = rgb[1]
                  message["color"]["b"] = rgb[2]
              if self._config[CONF_XY]:
                  xy_color = color_util.color_hs_to_xy(*kwargs[ATTR_HS_COLOR])
                  message["color"]["x"] = xy_color[0]
                  message["color"]["y"] = xy_color[1]
              if self._config[CONF_HS]:
                  message["color"]["h"] = hs_color[0]
                  message["color"]["s"] = hs_color[1]
  
              if self._optimistic:
                  self._hs = kwargs[ATTR_HS_COLOR]
                  should_update = True
  
          if ATTR_HS_COLOR in kwargs and self._supports_color_mode(COLOR_MODE_HS):
              hs_color = kwargs[ATTR_HS_COLOR]
              message["color"] = {"h": hs_color[0], "s": hs_color[1]}
              if self._optimistic:
                  self._color_mode = COLOR_MODE_HS
                  self._hs = hs_color
                  should_update = True
  
          if ATTR_RGB_COLOR in kwargs and self._supports_color_mode(COLOR_MODE_RGB):
              rgb = self._scale_rgbxx(kwargs[ATTR_RGB_COLOR], kwargs)
              message["color"] = {"r": rgb[0], "g": rgb[1], "b": rgb[2]}
              if self._optimistic:
                  self._color_mode = COLOR_MODE_RGB
                  self._rgb = rgb
                  should_update = True
  
          if ATTR_RGBW_COLOR in kwargs and self._supports_color_mode(COLOR_MODE_RGBW):
              rgb = self._scale_rgbxx(kwargs[ATTR_RGBW_COLOR], kwargs)
              message["color"] = {"r": rgb[0], "g": rgb[1], "b": rgb[2], "w": rgb[3]}
              if self._optimistic:
                  self._color_mode = COLOR_MODE_RGBW
                  self._rgbw = rgb
                  should_update = True
  
          if ATTR_RGBWW_COLOR in kwargs and self._supports_color_mode(COLOR_MODE_RGBWW):
              rgb = self._scale_rgbxx(kwargs[ATTR_RGBWW_COLOR], kwargs)
              message["color"] = {
                  "r": rgb[0],
                  "g": rgb[1],
                  "b": rgb[2],
                  "c": rgb[3],
                  "w": rgb[4],
              }
              if self._optimistic:
                  self._color_mode = COLOR_MODE_RGBWW
                  self._rgbww = rgb
                  should_update = True
  
          if ATTR_XY_COLOR in kwargs and self._supports_color_mode(COLOR_MODE_XY):
              xy = kwargs[ATTR_XY_COLOR]  # pylint: disable=invalid-name
              message["color"] = {"x": xy[0], "y": xy[1]}
              if self._optimistic:
                  self._color_mode = COLOR_MODE_XY
                  self._xy = xy
                  should_update = True
  
          self._set_flash_and_transition(message, **kwargs)
  
          if ATTR_BRIGHTNESS in kwargs and self._config[CONF_BRIGHTNESS]:
              brightness_normalized = kwargs[ATTR_BRIGHTNESS] / DEFAULT_BRIGHTNESS_SCALE
              brightness_scale = self._config[CONF_BRIGHTNESS_SCALE]
              device_brightness = min(
                  round(brightness_normalized * brightness_scale), brightness_scale
              )
              # Make sure the brightness is not rounded down to 0
              device_brightness = max(device_brightness, 1)
              message["brightness"] = device_brightness
  
              if self._optimistic:
                  self._brightness = kwargs[ATTR_BRIGHTNESS]
                  should_update = True
  
          if ATTR_COLOR_TEMP in kwargs:
              message["color_temp"] = int(kwargs[ATTR_COLOR_TEMP])
  
              if self._optimistic:
                  self._color_temp = kwargs[ATTR_COLOR_TEMP]
                  should_update = True
  
          if ATTR_EFFECT in kwargs:
              message["effect"] = kwargs[ATTR_EFFECT]
  
              if self._optimistic:
                  self._effect = kwargs[ATTR_EFFECT]
                  should_update = True
  
          if ATTR_WHITE_VALUE in kwargs:
              message["white_value"] = int(kwargs[ATTR_WHITE_VALUE])
  
              if self._optimistic:
                  self._white_value = kwargs[ATTR_WHITE_VALUE]
                  should_update = True
  
          mqtt.async_publish(
              self.hass,
              self._topic[CONF_COMMAND_TOPIC],
              json.dumps(message),
              self._config[CONF_QOS],
              self._config[CONF_RETAIN],
          )
  
          if self._optimistic:
              # Optimistically assume that the light has changed state.
              self._state = True
              should_update = True
  
          if should_update:
              self.async_write_ha_state()
  
      async def async_turn_off(self, **kwargs):
          """Turn the device off.
  
          This method is a coroutine.
          """
          message = {"state": "OFF"}
  
          self._set_flash_and_transition(message, **kwargs)
  
          mqtt.async_publish(
              self.hass,
              self._topic[CONF_COMMAND_TOPIC],
              json.dumps(message),
              self._config[CONF_QOS],
              self._config[CONF_RETAIN],
          )
  
          if self._optimistic:
              # Optimistically assume that the light has changed state.
              self._state = False
              self.async_write_ha_state()
  