"""Support for Roborock switch."""
from collections.abc import Callable, Coroutine
from dataclasses import dataclass
import logging
from typing import Any

from roborock.roborock_typing import RoborockCommand

from homeassistant.components.switch import SwitchEntity, SwitchEntityDescription
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import EntityCategory
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.util import slugify

from .const import DOMAIN
from .coordinator import RoborockDataUpdateCoordinator
from .device import RoborockEntity

_LOGGER = logging.getLogger(__name__)


@dataclass
class RoborockSwitchDescriptionMixin:
    """Define an entity description mixin for switch entities."""

    # Gets the status of the switch
    get_value: Callable[[RoborockEntity], Coroutine[Any, Any, dict]]
    # Evaluate the result of get_value to determine a bool
    evaluate_value: Callable[[dict], bool]
    # Sets the status of the switch
    set_command: Callable[[RoborockEntity, bool], Coroutine[Any, Any, dict]]


@dataclass
class RoborockSwitchDescription(
    SwitchEntityDescription, RoborockSwitchDescriptionMixin
):
    """Class to describe an Roborock switch entity."""


SWITCH_DESCRIPTIONS: list[RoborockSwitchDescription] = [
    RoborockSwitchDescription(
        set_command=lambda entity, value: entity.send(
            RoborockCommand.SET_CHILD_LOCK_STATUS, {"lock_status": 1 if value else 0}
        ),
        get_value=lambda data: data.send(RoborockCommand.GET_CHILD_LOCK_STATUS),
        evaluate_value=lambda data: data["lock_status"] == 1,
        key="child_lock",
        translation_key="child_lock",
        icon="mdi:account-lock",
        entity_category=EntityCategory.CONFIG,
    )
]


async def async_setup_entry(
    hass: HomeAssistant,
    config_entry: ConfigEntry,
    async_add_entities: AddEntitiesCallback,
) -> None:
    """Set up Roborock switch platform."""

    coordinators: dict[str, RoborockDataUpdateCoordinator] = hass.data[DOMAIN][
        config_entry.entry_id
    ]
    async_add_entities(
        (
            RoborockSwitchEntity(
                f"{description.key}_{slugify(device_id)}",
                coordinator,
                description,
            )
            for device_id, coordinator in coordinators.items()
            for description in SWITCH_DESCRIPTIONS
        ),
        True,
    )


class RoborockSwitchEntity(RoborockEntity, SwitchEntity):
    """A class to let you turn functionality on Roborock devices on and off."""

    entity_description: RoborockSwitchDescription

    def __init__(
        self,
        unique_id: str,
        coordinator: RoborockDataUpdateCoordinator,
        entity_description: RoborockSwitchDescription,
    ) -> None:
        """Create a switch entity."""
        self.entity_description = entity_description
        super().__init__(unique_id, coordinator.device_specification, coordinator.api)

    async def async_turn_off(self, **kwargs: Any) -> None:
        """Turn off the switch."""
        await self.entity_description.set_command(self, False)

    async def async_turn_on(self, **kwargs: Any) -> None:
        """Turn on the switch."""
        await self.entity_description.set_command(self, True)

    async def async_update(self) -> None:
        """Update switch."""
        self._attr_is_on = self.entity_description.evaluate_value(
            await self.entity_description.get_value(self)
        )