"""Cover support for switch entities."""
from __future__ import annotations

from typing import Any

from homeassistant.components.cover import SUPPORT_CLOSE, SUPPORT_OPEN, CoverEntity
from homeassistant.components.switch.const import DOMAIN as SWITCH_DOMAIN
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import (
    ATTR_ENTITY_ID,
    CONF_ENTITY_ID,
    SERVICE_TURN_OFF,
    SERVICE_TURN_ON,
    STATE_ON,
)
from homeassistant.core import Event, HomeAssistant, callback
from homeassistant.helpers import entity_registry as er
from homeassistant.helpers.entity_platform import AddEntitiesCallback

from .entity import BaseEntity


async def async_setup_entry(
    hass: HomeAssistant,
    config_entry: ConfigEntry,
    async_add_entities: AddEntitiesCallback,
) -> None:
    """Initialize Cover Switch config entry."""
    registry = er.async_get(hass)
    entity_id = er.async_validate_entity_id(
        registry, config_entry.options[CONF_ENTITY_ID]
    )
    wrapped_switch = registry.async_get(entity_id)
    device_id = wrapped_switch.device_id if wrapped_switch else None

    async_add_entities(
        [
            CoverSwitch(
                config_entry.title,
                entity_id,
                config_entry.entry_id,
                device_id,
            )
        ]
    )


class CoverSwitch(BaseEntity, CoverEntity):
    """Represents a Switch as a Cover."""

    _attr_supported_features = SUPPORT_OPEN | SUPPORT_CLOSE

    async def async_open_cover(self, **kwargs: Any) -> None:
        """Open the cover."""
        await self.hass.services.async_call(
            SWITCH_DOMAIN,
            SERVICE_TURN_ON,
            {ATTR_ENTITY_ID: self._switch_entity_id},
            blocking=True,
            context=self._context,
        )

    async def async_close_cover(self, **kwargs: Any) -> None:
        """Close cover."""
        await self.hass.services.async_call(
            SWITCH_DOMAIN,
            SERVICE_TURN_OFF,
            {ATTR_ENTITY_ID: self._switch_entity_id},
            blocking=True,
            context=self._context,
        )

    @callback
    def async_state_changed_listener(self, event: Event | None = None) -> None:
        """Handle child updates."""
        super().async_state_changed_listener(event)
        if (
            not self.available
            or (state := self.hass.states.get(self._switch_entity_id)) is None
        ):
            return

        self._attr_is_closed = state.state != STATE_ON
