text: """Support for P1 Monitor sensors."""
  from __future__ import annotations
  
  from typing import Literal
  
  from homeassistant.components.sensor import (
      DOMAIN as SENSOR_DOMAIN,
      SensorDeviceClass,
      SensorEntity,
      SensorEntityDescription,
      SensorStateClass,
  )
  from homeassistant.config_entries import ConfigEntry
  from homeassistant.const import (
      CONF_HOST,
      CURRENCY_EURO,
      ELECTRIC_CURRENT_AMPERE,
      ELECTRIC_POTENTIAL_VOLT,
      ENERGY_KILO_WATT_HOUR,
      POWER_WATT,
      VOLUME_CUBIC_METERS,
  )
  from homeassistant.core import HomeAssistant
  from homeassistant.helpers.device_registry import DeviceEntryType
  from homeassistant.helpers.entity import DeviceInfo
  from homeassistant.helpers.entity_platform import AddEntitiesCallback
  from homeassistant.helpers.typing import StateType
  from homeassistant.helpers.update_coordinator import CoordinatorEntity
  
  from . import P1MonitorDataUpdateCoordinator
  from .const import (
      DOMAIN,
      SERVICE_PHASES,
      SERVICE_SETTINGS,
      SERVICE_SMARTMETER,
      SERVICES,
  )
  
  SENSORS: dict[
      Literal["smartmeter", "phases", "settings"], tuple[SensorEntityDescription, ...]
  ] = {
      SERVICE_SMARTMETER: (
          SensorEntityDescription(
              key="gas_consumption",
              name="Gas Consumption",
              entity_registry_enabled_default=False,
              native_unit_of_measurement=VOLUME_CUBIC_METERS,
              device_class=SensorDeviceClass.GAS,
              state_class=SensorStateClass.TOTAL_INCREASING,
          ),
          SensorEntityDescription(
              key="power_consumption",
              name="Power Consumption",
              native_unit_of_measurement=POWER_WATT,
              device_class=SensorDeviceClass.POWER,
              state_class=SensorStateClass.MEASUREMENT,
          ),
          SensorEntityDescription(
              key="energy_consumption_high",
              name="Energy Consumption - High Tariff",
              native_unit_of_measurement=ENERGY_KILO_WATT_HOUR,
              device_class=SensorDeviceClass.ENERGY,
              state_class=SensorStateClass.TOTAL_INCREASING,
          ),
          SensorEntityDescription(
              key="energy_consumption_low",
              name="Energy Consumption - Low Tariff",
              native_unit_of_measurement=ENERGY_KILO_WATT_HOUR,
              device_class=SensorDeviceClass.ENERGY,
              state_class=SensorStateClass.TOTAL_INCREASING,
          ),
          SensorEntityDescription(
              key="power_production",
              name="Power Production",
              native_unit_of_measurement=POWER_WATT,
              device_class=SensorDeviceClass.POWER,
              state_class=SensorStateClass.MEASUREMENT,
          ),
          SensorEntityDescription(
              key="energy_production_high",
              name="Energy Production - High Tariff",
              native_unit_of_measurement=ENERGY_KILO_WATT_HOUR,
              device_class=SensorDeviceClass.ENERGY,
              state_class=SensorStateClass.TOTAL_INCREASING,
          ),
          SensorEntityDescription(
              key="energy_production_low",
              name="Energy Production - Low Tariff",
              native_unit_of_measurement=ENERGY_KILO_WATT_HOUR,
              device_class=SensorDeviceClass.ENERGY,
              state_class=SensorStateClass.TOTAL_INCREASING,
          ),
          SensorEntityDescription(
              key="energy_tariff_period",
              name="Energy Tariff Period",
              icon="mdi:calendar-clock",
          ),
      ),
      SERVICE_PHASES: (
          SensorEntityDescription(
              key="voltage_phase_l1",
              name="Voltage Phase L1",
              native_unit_of_measurement=ELECTRIC_POTENTIAL_VOLT,
              device_class=SensorDeviceClass.VOLTAGE,
              state_class=SensorStateClass.MEASUREMENT,
          ),
          SensorEntityDescription(
              key="voltage_phase_l2",
              name="Voltage Phase L2",
              native_unit_of_measurement=ELECTRIC_POTENTIAL_VOLT,
              device_class=SensorDeviceClass.VOLTAGE,
              state_class=SensorStateClass.MEASUREMENT,
          ),
          SensorEntityDescription(
              key="voltage_phase_l3",
              name="Voltage Phase L3",
              native_unit_of_measurement=ELECTRIC_POTENTIAL_VOLT,
              device_class=SensorDeviceClass.VOLTAGE,
              state_class=SensorStateClass.MEASUREMENT,
          ),
          SensorEntityDescription(
              key="current_phase_l1",
              name="Current Phase L1",
              native_unit_of_measurement=ELECTRIC_CURRENT_AMPERE,
              device_class=SensorDeviceClass.CURRENT,
              state_class=SensorStateClass.MEASUREMENT,
          ),
          SensorEntityDescription(
              key="current_phase_l2",
              name="Current Phase L2",
              native_unit_of_measurement=ELECTRIC_CURRENT_AMPERE,
              device_class=SensorDeviceClass.CURRENT,
              state_class=SensorStateClass.MEASUREMENT,
          ),
          SensorEntityDescription(
              key="current_phase_l3",
              name="Current Phase L3",
              native_unit_of_measurement=ELECTRIC_CURRENT_AMPERE,
              device_class=SensorDeviceClass.CURRENT,
              state_class=SensorStateClass.MEASUREMENT,
          ),
          SensorEntityDescription(
              key="power_consumed_phase_l1",
              name="Power Consumed Phase L1",
              native_unit_of_measurement=POWER_WATT,
              device_class=SensorDeviceClass.POWER,
              state_class=SensorStateClass.MEASUREMENT,
          ),
          SensorEntityDescription(
              key="power_consumed_phase_l2",
              name="Power Consumed Phase L2",
              native_unit_of_measurement=POWER_WATT,
              device_class=SensorDeviceClass.POWER,
              state_class=SensorStateClass.MEASUREMENT,
          ),
          SensorEntityDescription(
              key="power_consumed_phase_l3",
              name="Power Consumed Phase L3",
              native_unit_of_measurement=POWER_WATT,
              device_class=SensorDeviceClass.POWER,
              state_class=SensorStateClass.MEASUREMENT,
          ),
          SensorEntityDescription(
              key="power_produced_phase_l1",
              name="Power Produced Phase L1",
              native_unit_of_measurement=POWER_WATT,
              device_class=SensorDeviceClass.POWER,
              state_class=SensorStateClass.MEASUREMENT,
          ),
          SensorEntityDescription(
              key="power_produced_phase_l2",
              name="Power Produced Phase L2",
              native_unit_of_measurement=POWER_WATT,
              device_class=SensorDeviceClass.POWER,
              state_class=SensorStateClass.MEASUREMENT,
          ),
          SensorEntityDescription(
              key="power_produced_phase_l3",
              name="Power Produced Phase L3",
              native_unit_of_measurement=POWER_WATT,
              device_class=SensorDeviceClass.POWER,
              state_class=SensorStateClass.MEASUREMENT,
          ),
      ),
      SERVICE_SETTINGS: (
          SensorEntityDescription(
              key="gas_consumption_price",
              name="Gas Consumption Price",
              entity_registry_enabled_default=False,
              state_class=SensorStateClass.MEASUREMENT,
              native_unit_of_measurement=f"{CURRENCY_EURO}/{VOLUME_CUBIC_METERS}",
          ),
          SensorEntityDescription(
              key="energy_consumption_price_low",
              name="Energy Consumption Price - Low",
              state_class=SensorStateClass.MEASUREMENT,
              native_unit_of_measurement=f"{CURRENCY_EURO}/{ENERGY_KILO_WATT_HOUR}",
          ),
          SensorEntityDescription(
              key="energy_consumption_price_high",
              name="Energy Consumption Price - High",
              state_class=SensorStateClass.MEASUREMENT,
              native_unit_of_measurement=f"{CURRENCY_EURO}/{ENERGY_KILO_WATT_HOUR}",
          ),
          SensorEntityDescription(
              key="energy_production_price_low",
              name="Energy Production Price - Low",
              state_class=SensorStateClass.MEASUREMENT,
              native_unit_of_measurement=f"{CURRENCY_EURO}/{ENERGY_KILO_WATT_HOUR}",
          ),
          SensorEntityDescription(
              key="energy_production_price_high",
              name="Energy Production Price - High",
              state_class=SensorStateClass.MEASUREMENT,
              native_unit_of_measurement=f"{CURRENCY_EURO}/{ENERGY_KILO_WATT_HOUR}",
          ),
      ),
  }
  
  
  async def async_setup_entry(
      hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
  ) -> None:
      """Set up P1 Monitor Sensors based on a config entry."""
      async_add_entities(
          P1MonitorSensorEntity(
              coordinator=hass.data[DOMAIN][entry.entry_id],
              description=description,
              service_key=service_key,
              name=entry.title,
              service=SERVICES[service_key],
          )
          for service_key, service_sensors in SENSORS.items()
          for description in service_sensors
      )
  
  
  class P1MonitorSensorEntity(
      CoordinatorEntity[P1MonitorDataUpdateCoordinator], SensorEntity
  ):
      """Defines an P1 Monitor sensor."""
  
      def __init__(
          self,
          *,
          coordinator: P1MonitorDataUpdateCoordinator,
          description: SensorEntityDescription,
          service_key: Literal["smartmeter", "phases", "settings"],
          name: str,
          service: str,
      ) -> None:
          """Initialize P1 Monitor sensor."""
          super().__init__(coordinator=coordinator)
          self._service_key = service_key
  
          self.entity_id = f"{SENSOR_DOMAIN}.{name}_{description.key}"
          self.entity_description = description
          self._attr_unique_id = (
              f"{coordinator.config_entry.entry_id}_{service_key}_{description.key}"
          )
  
          self._attr_device_info = DeviceInfo(
              entry_type=DeviceEntryType.SERVICE,
              identifiers={
                  (DOMAIN, f"{coordinator.config_entry.entry_id}_{service_key}")
              },
              configuration_url=f"http://{coordinator.config_entry.data[CONF_HOST]}",
              manufacturer="P1 Monitor",
              name=service,
          )
  
      @property
      def native_value(self) -> StateType:
          """Return the state of the sensor."""
          value = getattr(
              self.coordinator.data[self._service_key], self.entity_description.key
          )
          if isinstance(value, str):
              return value.lower()
          return value
  