"""BleBox cover entity."""
from __future__ import annotations

from typing import Any

from blebox_uniapi.box import Box
import blebox_uniapi.cover

from homeassistant.components.cover import (
    ATTR_POSITION,
    CoverDeviceClass,
    CoverEntity,
    CoverEntityFeature,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import STATE_CLOSED, STATE_CLOSING, STATE_OPEN, STATE_OPENING
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback

from . import BleBoxEntity
from .const import DOMAIN, PRODUCT

BLEBOX_TO_COVER_DEVICE_CLASSES = {
    "gate": CoverDeviceClass.GATE,
    "gatebox": CoverDeviceClass.DOOR,
    "shutter": CoverDeviceClass.SHUTTER,
}


BLEBOX_TO_HASS_COVER_STATES = {
    None: None,
    0: STATE_CLOSING,  # moving down
    1: STATE_OPENING,  # moving up
    2: STATE_OPEN,  # manually stopped
    3: STATE_CLOSED,  # lower limit
    4: STATE_OPEN,  # upper limit / open
    # gateController
    5: STATE_OPEN,  # overload
    6: STATE_OPEN,  # motor failure
    # 7 is not used
    8: STATE_OPEN,  # safety stop
}


async def async_setup_entry(
    hass: HomeAssistant,
    config_entry: ConfigEntry,
    async_add_entities: AddEntitiesCallback,
) -> None:
    """Set up a BleBox entry."""
    product: Box = hass.data[DOMAIN][config_entry.entry_id][PRODUCT]
    entities = [
        BleBoxCoverEntity(feature) for feature in product.features.get("covers", [])
    ]
    async_add_entities(entities, True)


class BleBoxCoverEntity(BleBoxEntity[blebox_uniapi.cover.Cover], CoverEntity):
    """Representation of a BleBox cover feature."""

    def __init__(self, feature: blebox_uniapi.cover.Cover) -> None:
        """Initialize a BleBox cover feature."""
        super().__init__(feature)
        self._attr_device_class = BLEBOX_TO_COVER_DEVICE_CLASSES[feature.device_class]
        position = CoverEntityFeature.SET_POSITION if feature.is_slider else 0
        stop = CoverEntityFeature.STOP if feature.has_stop else 0
        self._attr_supported_features = (
            position | stop | CoverEntityFeature.OPEN | CoverEntityFeature.CLOSE
        )

    @property
    def current_cover_position(self) -> int | None:
        """Return the current cover position."""
        position = self._feature.current
        if position == -1:  # possible for shutterBox
            return None

        return None if position is None else 100 - position

    @property
    def is_opening(self) -> bool | None:
        """Return whether cover is opening."""
        return self._is_state(STATE_OPENING)

    @property
    def is_closing(self) -> bool | None:
        """Return whether cover is closing."""
        return self._is_state(STATE_CLOSING)

    @property
    def is_closed(self) -> bool | None:
        """Return whether cover is closed."""
        return self._is_state(STATE_CLOSED)

    async def async_open_cover(self, **kwargs: Any) -> None:
        """Open the cover position."""
        await self._feature.async_open()

    async def async_close_cover(self, **kwargs: Any) -> None:
        """Close the cover position."""
        await self._feature.async_close()

    async def async_set_cover_position(self, **kwargs: Any) -> None:
        """Set the cover position."""

        position = kwargs[ATTR_POSITION]
        await self._feature.async_set_position(100 - position)

    async def async_stop_cover(self, **kwargs: Any) -> None:
        """Stop the cover."""
        await self._feature.async_stop()

    def _is_state(self, state_name) -> bool | None:
        value = BLEBOX_TO_HASS_COVER_STATES[self._feature.state]
        return None if value is None else value == state_name
