core/homeassistant/components/roborock/switch.py

"""Support for Roborock switch."""

from collections.abc import Callable
from dataclasses import dataclass
import logging
from typing import Any, override

from roborock.devices.traits.b01 import Q10PropertiesApi
from roborock.devices.traits.b01.q10 import (
    ButtonLightTrait,
    ChildLockTrait,
    DoNotDisturbTrait,
    DustCollectionTrait,
)
from roborock.devices.traits.v1 import PropertiesApi
from roborock.devices.traits.v1.common import RoborockSwitchBase
from roborock.exceptions import RoborockException
from roborock.roborock_message import RoborockDyadDataProtocol, RoborockZeoProtocol

from homeassistant.components.switch import SwitchEntity, SwitchEntityDescription
from homeassistant.const import STATE_OFF, STATE_ON, EntityCategory
from homeassistant.core import HomeAssistant, callback
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
from homeassistant.helpers.restore_state import RestoreEntity

from .const import DOMAIN
from .coordinator import (
    RoborockB01Q10UpdateCoordinator,
    RoborockConfigEntry,
    RoborockCoordinatorType,
    RoborockDataUpdateCoordinator,
    RoborockDataUpdateCoordinatorA01,
)
from .entity import (
    RoborockCoordinatedEntityA01,
    RoborockCoordinatedEntityB01Q10,
    RoborockEntityV1,
)

_LOGGER = logging.getLogger(__name__)

PARALLEL_UPDATES = 0


@dataclass(frozen=True, kw_only=True)
class RoborockSwitchDescription(SwitchEntityDescription):
    """Class to describe a Roborock switch entity."""

    trait: Callable[[PropertiesApi], RoborockSwitchBase | None]

    # If it is a dock entity
    is_dock_entity: bool = False


SWITCH_DESCRIPTIONS: list[RoborockSwitchDescription] = [
    RoborockSwitchDescription(
        trait=lambda traits: traits.child_lock,
        key="child_lock",
        translation_key="child_lock",
        entity_category=EntityCategory.CONFIG,
        is_dock_entity=True,
    ),
    RoborockSwitchDescription(
        trait=lambda traits: traits.flow_led_status,
        key="status_indicator",
        translation_key="status_indicator",
        entity_category=EntityCategory.CONFIG,
        is_dock_entity=True,
    ),
    RoborockSwitchDescription(
        trait=lambda traits: traits.dnd,
        key="dnd_switch",
        translation_key="dnd_switch",
        entity_category=EntityCategory.CONFIG,
    ),
    RoborockSwitchDescription(
        trait=lambda traits: traits.valley_electricity_timer,
        key="off_peak_switch",
        translation_key="off_peak_switch",
        entity_category=EntityCategory.CONFIG,
        entity_registry_enabled_default=False,
    ),
]


@dataclass(frozen=True, kw_only=True)
class RoborockSwitchDescriptionA01(SwitchEntityDescription):
    """Class to describe a Roborock A01 switch entity."""

    data_protocol: RoborockDyadDataProtocol | RoborockZeoProtocol


type Q10SwitchTrait = ChildLockTrait | DoNotDisturbTrait | DustCollectionTrait


@dataclass(frozen=True, kw_only=True)
class RoborockSwitchDescriptionQ10(SwitchEntityDescription):
    """Class to describe a Roborock Q10 switch entity."""

    trait: Callable[[Q10PropertiesApi], Q10SwitchTrait | None]


A01_SWITCH_DESCRIPTIONS: list[RoborockSwitchDescriptionA01] = [
    RoborockSwitchDescriptionA01(
        key="sound_setting",
        data_protocol=RoborockZeoProtocol.SOUND_SET,
        translation_key="sound_setting",
        entity_category=EntityCategory.CONFIG,
    ),
]


Q10_SWITCH_DESCRIPTIONS: list[RoborockSwitchDescriptionQ10] = [
    RoborockSwitchDescriptionQ10(
        key="do_not_disturb",
        translation_key="dnd_switch",
        entity_category=EntityCategory.CONFIG,
        trait=lambda traits: traits.do_not_disturb,
    ),
    RoborockSwitchDescriptionQ10(
        key="child_lock",
        translation_key="child_lock",
        entity_category=EntityCategory.CONFIG,
        trait=lambda traits: traits.child_lock,
    ),
    RoborockSwitchDescriptionQ10(
        key="dust_collection",
        translation_key="dust_collection",
        entity_category=EntityCategory.CONFIG,
        trait=lambda traits: traits.dust_collection,
    ),
]


async def async_setup_entry(
    hass: HomeAssistant,
    config_entry: RoborockConfigEntry,
    async_add_entities: AddConfigEntryEntitiesCallback,
) -> None:
    """Set up Roborock switch platform."""
    coordinators = config_entry.runtime_data

    @callback
    def async_add_coordinator_entities(
        coordinator: RoborockCoordinatorType,
    ) -> None:
        """Add entities for a specific coordinator."""
        entities: list[SwitchEntity] = []
        if isinstance(coordinator, RoborockDataUpdateCoordinator):
            entities.extend(
                RoborockSwitch(
                    f"{description.key}_{coordinator.duid_slug}",
                    coordinator,
                    description,
                    v1_trait,
                )
                for description in SWITCH_DESCRIPTIONS
                if (v1_trait := description.trait(coordinator.properties_api))
                is not None
            )
        elif isinstance(coordinator, RoborockDataUpdateCoordinatorA01):
            entities.extend(
                RoborockSwitchA01(
                    coordinator,
                    description,
                )
                for description in A01_SWITCH_DESCRIPTIONS
                if description.data_protocol in coordinator.request_protocols
            )
        elif isinstance(coordinator, RoborockB01Q10UpdateCoordinator):
            entities.extend(
                RoborockSwitchQ10(
                    f"{description.key}_{coordinator.duid_slug}",
                    coordinator,
                    description,
                    q10_trait,
                )
                for description in Q10_SWITCH_DESCRIPTIONS
                if (q10_trait := description.trait(coordinator.api)) is not None
            )
            entities.append(
                RoborockSwitchQ10ButtonLight(
                    f"button_light_{coordinator.duid_slug}",
                    coordinator,
                    coordinator.api.button_light,
                )
            )
        async_add_entities(entities)

    for coordinator in coordinators.values():
        async_add_coordinator_entities(coordinator)

    config_entry.async_on_unload(
        async_dispatcher_connect(
            hass,
            f"roborock_coordinator_added_{config_entry.entry_id}",
            async_add_coordinator_entities,
        )
    )


class RoborockSwitch(RoborockEntityV1, SwitchEntity):
    """A class to toggle Roborock device functionality with a coordinator."""

    entity_description: RoborockSwitchDescription

    def __init__(
        self,
        unique_id: str,
        coordinator: RoborockDataUpdateCoordinator,
        entity_description: RoborockSwitchDescription,
        trait: RoborockSwitchBase,
    ) -> None:
        """Initialize the entity."""
        self.entity_description = entity_description
        super().__init__(
            unique_id,
            (
                coordinator.device_info
                if not entity_description.is_dock_entity
                else coordinator.dock_device_info
            ),
            coordinator.properties_api.command,
        )
        self._trait = trait

    @override
    async def async_turn_off(self, **kwargs: Any) -> None:
        """Turn off the switch."""
        try:
            await self._trait.disable()
        except RoborockException as err:
            raise HomeAssistantError(
                translation_domain=DOMAIN,
                translation_key="update_options_failed",
            ) from err

    @override
    async def async_turn_on(self, **kwargs: Any) -> None:
        """Turn on the switch."""
        try:
            await self._trait.enable()
        except RoborockException as err:
            raise HomeAssistantError(
                translation_domain=DOMAIN,
                translation_key="update_options_failed",
            ) from err

    @property
    @override
    def is_on(self) -> bool | None:
        """Return True if entity is on."""
        return self._trait.is_on


class RoborockSwitchA01(RoborockCoordinatedEntityA01, SwitchEntity):
    """A class to let you turn functionality on Roborock A01 devices on and off."""

    entity_description: RoborockSwitchDescriptionA01

    def __init__(
        self,
        coordinator: RoborockDataUpdateCoordinatorA01,
        description: RoborockSwitchDescriptionA01,
    ) -> None:
        """Initialize the entity."""
        self.entity_description = description
        super().__init__(f"{description.key}_{coordinator.duid_slug}", coordinator)

    @override
    async def async_turn_off(self, **kwargs: Any) -> None:
        """Turn off the switch."""
        try:
            await self.coordinator.api.set_value(  # type: ignore[attr-defined]
                self.entity_description.data_protocol, 0
            )
            await self.coordinator.async_request_refresh()
        except RoborockException as err:
            raise HomeAssistantError(
                translation_domain=DOMAIN,
                translation_key="update_options_failed",
            ) from err

    @override
    async def async_turn_on(self, **kwargs: Any) -> None:
        """Turn on the switch."""
        try:
            await self.coordinator.api.set_value(  # type: ignore[attr-defined]
                self.entity_description.data_protocol, 1
            )
            await self.coordinator.async_request_refresh()
        except RoborockException as err:
            raise HomeAssistantError(
                translation_domain=DOMAIN,
                translation_key="update_options_failed",
            ) from err

    @property
    @override
    def is_on(self) -> bool | None:
        """Return True if entity is on."""
        status = self.coordinator.data.get(self.entity_description.data_protocol)
        if status is None:
            return None
        return bool(status)


class RoborockSwitchQ10(RoborockCoordinatedEntityB01Q10, SwitchEntity):
    """A class to toggle a setting on a Roborock Q10 device."""

    entity_description: RoborockSwitchDescriptionQ10
    coordinator: RoborockB01Q10UpdateCoordinator

    def __init__(
        self,
        unique_id: str,
        coordinator: RoborockB01Q10UpdateCoordinator,
        description: RoborockSwitchDescriptionQ10,
        trait: Q10SwitchTrait,
    ) -> None:
        """Initialize the entity."""
        self.entity_description = description
        self._trait = trait
        super().__init__(unique_id, coordinator)

    @override
    async def async_added_to_hass(self) -> None:
        """Register a trait listener for push-based state updates."""
        await super().async_added_to_hass()
        self.async_on_remove(self._trait.add_update_listener(self.async_write_ha_state))

    @override
    async def async_turn_off(self, **kwargs: Any) -> None:
        """Turn off the switch."""
        try:
            await self._trait.disable()
        except RoborockException as err:
            raise HomeAssistantError(
                translation_domain=DOMAIN,
                translation_key="update_options_failed",
            ) from err

    @override
    async def async_turn_on(self, **kwargs: Any) -> None:
        """Turn on the switch."""
        try:
            await self._trait.enable()
        except RoborockException as err:
            raise HomeAssistantError(
                translation_domain=DOMAIN,
                translation_key="update_options_failed",
            ) from err

    @property
    @override
    def is_on(self) -> bool | None:
        """Return True if entity is on."""
        return self._trait.is_on


class RoborockSwitchQ10ButtonLight(
    RoborockCoordinatedEntityB01Q10, SwitchEntity, RestoreEntity
):
    """A class to toggle the indicator / button light of a Roborock Q10 device.

    The device does not report the light state, so the switch is write-only
    and assumes the state of the last successful command, restored across
    restarts.
    """

    _attr_assumed_state = True
    _attr_entity_category = EntityCategory.CONFIG
    _attr_translation_key = "button_light"

    def __init__(
        self,
        unique_id: str,
        coordinator: RoborockB01Q10UpdateCoordinator,
        trait: ButtonLightTrait,
    ) -> None:
        """Initialize the entity."""
        self._trait = trait
        super().__init__(unique_id, coordinator)

    @override
    async def async_added_to_hass(self) -> None:
        """Restore the last assumed state."""
        await super().async_added_to_hass()
        if (last_state := await self.async_get_last_state()) is not None and (
            last_state.state in (STATE_ON, STATE_OFF)
        ):
            self._attr_is_on = last_state.state == STATE_ON

    @override
    async def async_turn_off(self, **kwargs: Any) -> None:
        """Turn off the light."""
        try:
            await self._trait.disable()
        except RoborockException as err:
            raise HomeAssistantError(
                translation_domain=DOMAIN,
                translation_key="update_options_failed",
            ) from err
        self._attr_is_on = False
        self.async_write_ha_state()

    @override
    async def async_turn_on(self, **kwargs: Any) -> None:
        """Turn on the light."""
        try:
            await self._trait.enable()
        except RoborockException as err:
            raise HomeAssistantError(
                translation_domain=DOMAIN,
                translation_key="update_options_failed",
            ) from err
        self._attr_is_on = True
        self.async_write_ha_state()