text: """
  Support turning on/off motion detection on Hikvision cameras.
  
  For more details about this platform, please refer to the documentation at
  https://home-assistant.io/components/switch.hikvision/
  """
  import logging
  
  from homeassistant.const import (
      CONF_HOST, CONF_PASSWORD, CONF_USERNAME, STATE_OFF, STATE_ON)
  from homeassistant.helpers.entity import ToggleEntity
  
  _LOGGING = logging.getLogger(__name__)
  REQUIREMENTS = ['hikvision==0.4']
  # pylint: disable=too-many-arguments
  # pylint: disable=too-many-instance-attributes
  
  
  def setup_platform(hass, config, add_devices_callback, discovery_info=None):
      """Setup Hikvision camera."""
      import hikvision.api
      from hikvision.error import HikvisionError, MissingParamError
  
      host = config.get(CONF_HOST, None)
      port = config.get('port', "80")
      name = config.get('name', "Hikvision Camera Motion Detection")
      username = config.get(CONF_USERNAME, "admin")
      password = config.get(CONF_PASSWORD, "12345")
  
      try:
          hikvision_cam = hikvision.api.CreateDevice(
              host, port=port, username=username,
              password=password, is_https=False)
      except MissingParamError as param_err:
          _LOGGING.error("Missing required param: %s", param_err)
          return False
      except HikvisionError as conn_err:
          _LOGGING.error("Unable to connect: %s", conn_err)
          return False
  
      add_devices_callback([
          HikvisionMotionSwitch(name, hikvision_cam)
      ])
  
  
  class HikvisionMotionSwitch(ToggleEntity):
      """Representation of a switch to toggle on/off motion detection."""
  
      def __init__(self, name, hikvision_cam):
          """Initialize the switch."""
          self._name = name
          self._hikvision_cam = hikvision_cam
          self._state = STATE_OFF
  
      @property
      def should_poll(self):
          """Poll for status regularly."""
          return True
  
      @property
      def name(self):
          """Return the name of the device if any."""
          return self._name
  
      @property
      def state(self):
          """Return the state of the device if any."""
          return self._state
  
      @property
      def is_on(self):
          """Return true if device is on."""
          return self._state == STATE_ON
  
      def turn_on(self, **kwargs):
          """Turn the device on."""
          _LOGGING.info("Turning on Motion Detection ")
          self._hikvision_cam.enable_motion_detection()
  
      def turn_off(self, **kwargs):
          """Turn the device off."""
          _LOGGING.info("Turning off Motion Detection ")
          self._hikvision_cam.disable_motion_detection()
  
      def update(self):
          """Update Motion Detection state."""
          enabled = self._hikvision_cam.is_motion_detection_enabled()
          _LOGGING.info('enabled: %s', enabled)
  
          self._state = STATE_ON if enabled else STATE_OFF
  