"""Support for ISY994 covers."""
import logging
from typing import Callable

from homeassistant.components.cover import DOMAIN, CoverDevice
from homeassistant.const import (
    STATE_CLOSED,
    STATE_CLOSING,
    STATE_OPEN,
    STATE_OPENING,
    STATE_UNKNOWN,
)
from homeassistant.helpers.typing import ConfigType

from . import ISY994_NODES, ISY994_PROGRAMS, ISYDevice

_LOGGER = logging.getLogger(__name__)

VALUE_TO_STATE = {
    0: STATE_CLOSED,
    101: STATE_UNKNOWN,
    102: "stopped",
    103: STATE_CLOSING,
    104: STATE_OPENING,
}


def setup_platform(
    hass, config: ConfigType, add_entities: Callable[[list], None], discovery_info=None
):
    """Set up the ISY994 cover platform."""
    devices = []
    for node in hass.data[ISY994_NODES][DOMAIN]:
        devices.append(ISYCoverDevice(node))

    for name, status, actions in hass.data[ISY994_PROGRAMS][DOMAIN]:
        devices.append(ISYCoverProgram(name, status, actions))

    add_entities(devices)


class ISYCoverDevice(ISYDevice, CoverDevice):
    """Representation of an ISY994 cover device."""

    @property
    def current_cover_position(self) -> int:
        """Return the current cover position."""
        if self.is_unknown() or self.value is None:
            return None
        return sorted((0, self.value, 100))[1]

    @property
    def is_closed(self) -> bool:
        """Get whether the ISY994 cover device is closed."""
        return self.state == STATE_CLOSED

    @property
    def state(self) -> str:
        """Get the state of the ISY994 cover device."""
        if self.is_unknown():
            return None
        return VALUE_TO_STATE.get(self.value, STATE_OPEN)

    def open_cover(self, **kwargs) -> None:
        """Send the open cover command to the ISY994 cover device."""
        if not self._node.on(val=100):
            _LOGGER.error("Unable to open the cover")

    def close_cover(self, **kwargs) -> None:
        """Send the close cover command to the ISY994 cover device."""
        if not self._node.off():
            _LOGGER.error("Unable to close the cover")


class ISYCoverProgram(ISYCoverDevice):
    """Representation of an ISY994 cover program."""

    def __init__(self, name: str, node: object, actions: object) -> None:
        """Initialize the ISY994 cover program."""
        super().__init__(node)
        self._name = name
        self._actions = actions

    @property
    def state(self) -> str:
        """Get the state of the ISY994 cover program."""
        return STATE_CLOSED if bool(self.value) else STATE_OPEN

    def open_cover(self, **kwargs) -> None:
        """Send the open cover command to the ISY994 cover program."""
        if not self._actions.runThen():
            _LOGGER.error("Unable to open the cover")

    def close_cover(self, **kwargs) -> None:
        """Send the close cover command to the ISY994 cover program."""
        if not self._actions.runElse():
            _LOGGER.error("Unable to close the cover")
