old_contents: """This component provides Lights for UniFi Protect."""
  from __future__ import annotations
  
  import logging
  from typing import Any
  
  from pyunifiprotect.data import Light
  
  from homeassistant.components.light import (
      ATTR_BRIGHTNESS,
      SUPPORT_BRIGHTNESS,
      LightEntity,
  )
  from homeassistant.config_entries import ConfigEntry
  from homeassistant.core import HomeAssistant, callback
  from homeassistant.helpers.entity_platform import AddEntitiesCallback
  
  from .const import DOMAIN
  from .data import ProtectData
  from .entity import ProtectDeviceEntity
  
  _LOGGER = logging.getLogger(__name__)
  
  
  async def async_setup_entry(
      hass: HomeAssistant,
      entry: ConfigEntry,
      async_add_entities: AddEntitiesCallback,
  ) -> None:
      """Set up lights for UniFi Protect integration."""
      data: ProtectData = hass.data[DOMAIN][entry.entry_id]
      entities = [
          ProtectLight(
              data,
              device,
          )
          for device in data.api.bootstrap.lights.values()
      ]
  
      if not entities:
          return
  
      async_add_entities(entities)
  
  
  def unifi_brightness_to_hass(value: int) -> int:
      """Convert unifi brightness 1..6 to hass format 0..255."""
      return min(255, round((value / 6) * 255))
  
  
  def hass_to_unifi_brightness(value: int) -> int:
      """Convert hass brightness 0..255 to unifi 1..6 scale."""
      return max(1, round((value / 255) * 6))
  
  
  class ProtectLight(ProtectDeviceEntity, LightEntity):
      """A Ubiquiti UniFi Protect Light Entity."""
  
      device: Light
  
      _attr_icon = "mdi:spotlight-beam"
      _attr_supported_features = SUPPORT_BRIGHTNESS
  
      @callback
      def _async_update_device_from_protect(self) -> None:
          super()._async_update_device_from_protect()
          self._attr_is_on = self.device.is_light_on
          self._attr_brightness = unifi_brightness_to_hass(
              self.device.light_device_settings.led_level
          )
  
      async def async_turn_on(self, **kwargs: Any) -> None:
          """Turn the light on."""
          hass_brightness = kwargs.get(ATTR_BRIGHTNESS, self.brightness)
          unifi_brightness = hass_to_unifi_brightness(hass_brightness)
  
          _LOGGER.debug("Turning on light with brightness %s", unifi_brightness)
          await self.device.set_light(True, unifi_brightness)
  
      async def async_turn_off(self, **kwargs: Any) -> None:
          """Turn the light off."""
          _LOGGER.debug("Turning off light")
          await self.device.set_light(False)
  
new_contents: """This component provides Lights for UniFi Protect."""
  from __future__ import annotations
  
  import logging
  from typing import Any
  
  from pyunifiprotect.data import Light
  
  from homeassistant.components.light import (
      ATTR_BRIGHTNESS,
      COLOR_MODE_BRIGHTNESS,
      LightEntity,
  )
  from homeassistant.config_entries import ConfigEntry
  from homeassistant.core import HomeAssistant, callback
  from homeassistant.helpers.entity_platform import AddEntitiesCallback
  
  from .const import DOMAIN
  from .data import ProtectData
  from .entity import ProtectDeviceEntity
  
  _LOGGER = logging.getLogger(__name__)
  
  
  async def async_setup_entry(
      hass: HomeAssistant,
      entry: ConfigEntry,
      async_add_entities: AddEntitiesCallback,
  ) -> None:
      """Set up lights for UniFi Protect integration."""
      data: ProtectData = hass.data[DOMAIN][entry.entry_id]
      entities = [
          ProtectLight(
              data,
              device,
          )
          for device in data.api.bootstrap.lights.values()
      ]
  
      if not entities:
          return
  
      async_add_entities(entities)
  
  
  def unifi_brightness_to_hass(value: int) -> int:
      """Convert unifi brightness 1..6 to hass format 0..255."""
      return min(255, round((value / 6) * 255))
  
  
  def hass_to_unifi_brightness(value: int) -> int:
      """Convert hass brightness 0..255 to unifi 1..6 scale."""
      return max(1, round((value / 255) * 6))
  
  
  class ProtectLight(ProtectDeviceEntity, LightEntity):
      """A Ubiquiti UniFi Protect Light Entity."""
  
      device: Light
  
      _attr_icon = "mdi:spotlight-beam"
      _attr_color_mode = COLOR_MODE_BRIGHTNESS
      _attr_supported_color_modes = {COLOR_MODE_BRIGHTNESS}
  
      @callback
      def _async_update_device_from_protect(self) -> None:
          super()._async_update_device_from_protect()
          self._attr_is_on = self.device.is_light_on
          self._attr_brightness = unifi_brightness_to_hass(
              self.device.light_device_settings.led_level
          )
  
      async def async_turn_on(self, **kwargs: Any) -> None:
          """Turn the light on."""
          hass_brightness = kwargs.get(ATTR_BRIGHTNESS, self.brightness)
          unifi_brightness = hass_to_unifi_brightness(hass_brightness)
  
          _LOGGER.debug("Turning on light with brightness %s", unifi_brightness)
          await self.device.set_light(True, unifi_brightness)
  
      async def async_turn_off(self, **kwargs: Any) -> None:
          """Turn the light off."""
          _LOGGER.debug("Turning off light")
          await self.device.set_light(False)
  
subject: Migrate unifiprotect light to color_mode (#69527)