text: """Support the binary sensors of a BloomSky weather station."""
  import logging
  
  import voluptuous as vol
  
  from homeassistant.components.binary_sensor import BinarySensorDevice, PLATFORM_SCHEMA
  from homeassistant.const import CONF_MONITORED_CONDITIONS
  import homeassistant.helpers.config_validation as cv
  
  from . import BLOOMSKY
  
  _LOGGER = logging.getLogger(__name__)
  
  SENSOR_TYPES = {"Rain": "moisture", "Night": None}
  
  PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
      {
          vol.Optional(CONF_MONITORED_CONDITIONS, default=list(SENSOR_TYPES)): vol.All(
              cv.ensure_list, [vol.In(SENSOR_TYPES)]
          )
      }
  )
  
  
  def setup_platform(hass, config, add_entities, discovery_info=None):
      """Set up the available BloomSky weather binary sensors."""
      # Default needed in case of discovery
      sensors = config.get(CONF_MONITORED_CONDITIONS, SENSOR_TYPES)
  
      for device in BLOOMSKY.devices.values():
          for variable in sensors:
              add_entities([BloomSkySensor(BLOOMSKY, device, variable)], True)
  
  
  class BloomSkySensor(BinarySensorDevice):
      """Representation of a single binary sensor in a BloomSky device."""
  
      def __init__(self, bs, device, sensor_name):
          """Initialize a BloomSky binary sensor."""
          self._bloomsky = bs
          self._device_id = device["DeviceID"]
          self._sensor_name = sensor_name
          self._name = "{} {}".format(device["DeviceName"], sensor_name)
          self._state = None
          self._unique_id = f"{self._device_id}-{self._sensor_name}"
  
      @property
      def unique_id(self):
          """Return a unique ID."""
          return self._unique_id
  
      @property
      def name(self):
          """Return the name of the BloomSky device and this sensor."""
          return self._name
  
      @property
      def device_class(self):
          """Return the class of this sensor, from DEVICE_CLASSES."""
          return SENSOR_TYPES.get(self._sensor_name)
  
      @property
      def is_on(self):
          """Return true if binary sensor is on."""
          return self._state
  
      def update(self):
          """Request an update from the BloomSky API."""
          self._bloomsky.refresh_devices()
  
          self._state = self._bloomsky.devices[self._device_id]["Data"][self._sensor_name]
  