"""Binary sensor entities for MB-Secure."""

from __future__ import annotations

from homeassistant.components.binary_sensor import BinarySensorEntity
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback

from .coordinator import MBSecureCoordinator
from .entity import MBSecureEntity, async_setup_dynamic_entities


async def async_setup_entry(
    hass: HomeAssistant,
    entry: ConfigEntry[MBSecureCoordinator],
    async_add_entities: AddEntitiesCallback,
) -> None:
    """Set up capability-reported point entities."""
    coordinator = entry.runtime_data
    assert coordinator.info is not None and coordinator.info.bridge_id is not None
    bridge_id = coordinator.info.bridge_id
    async_setup_dynamic_entities(
        entry,
        async_add_entities,
        collection_name="points",
        capability="binary_state",
        factory=lambda object_id: MBSecurePointEntity(
            coordinator, bridge_id, object_id
        ),
    )


class MBSecurePointEntity(MBSecureEntity, BinarySensorEntity):
    """Represent one normalized binary point."""

    def __init__(
        self, coordinator: MBSecureCoordinator, bridge_id: str, object_id: str
    ) -> None:
        """Initialize a point entity."""
        super().__init__(coordinator, bridge_id, "points", object_id)

    @property
    def is_on(self) -> bool | None:
        """Return a conservative normalized binary state."""
        item = self.bridge_object
        if item is None:
            return None
        if item.state in {"active", "on", "open", "triggered"}:
            return True
        if item.state in {"clear", "closed", "inactive", "off"}:
            return False
        return None