"""Support for Risco alarm zones."""
from __future__ import annotations

from collections.abc import Callable, Mapping
from typing import Any

from pyrisco.common import Zone

from homeassistant.components.binary_sensor import (
    BinarySensorDeviceClass,
    BinarySensorEntity,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.helpers import entity_platform
from homeassistant.helpers.entity import DeviceInfo
from homeassistant.helpers.entity_platform import AddEntitiesCallback

from . import LocalData, RiscoDataUpdateCoordinator, is_local
from .const import DATA_COORDINATOR, DOMAIN
from .entity import RiscoEntity, binary_sensor_unique_id

SERVICE_BYPASS_ZONE = "bypass_zone"
SERVICE_UNBYPASS_ZONE = "unbypass_zone"


async def async_setup_entry(
    hass: HomeAssistant,
    config_entry: ConfigEntry,
    async_add_entities: AddEntitiesCallback,
) -> None:
    """Set up the Risco alarm control panel."""
    platform = entity_platform.async_get_current_platform()
    platform.async_register_entity_service(SERVICE_BYPASS_ZONE, {}, "async_bypass_zone")
    platform.async_register_entity_service(
        SERVICE_UNBYPASS_ZONE, {}, "async_unbypass_zone"
    )

    if is_local(config_entry):
        local_data: LocalData = hass.data[DOMAIN][config_entry.entry_id]
        async_add_entities(
            RiscoLocalBinarySensor(
                local_data.system.id, zone_id, zone, local_data.zone_updates
            )
            for zone_id, zone in local_data.system.zones.items()
        )
    else:
        coordinator: RiscoDataUpdateCoordinator = hass.data[DOMAIN][
            config_entry.entry_id
        ][DATA_COORDINATOR]
        async_add_entities(
            RiscoCloudBinarySensor(coordinator, zone_id, zone)
            for zone_id, zone in coordinator.data.zones.items()
        )


class RiscoBinarySensor(BinarySensorEntity):
    """Representation of a Risco zone as a binary sensor."""

    _attr_device_class = BinarySensorDeviceClass.MOTION

    def __init__(self, *, zone_id: int, zone: Zone, **kwargs: Any) -> None:
        """Init the zone."""
        super().__init__(**kwargs)
        self._zone_id = zone_id
        self._zone = zone
        self._attr_has_entity_name = True
        self._attr_name = None

    @property
    def extra_state_attributes(self) -> Mapping[str, Any] | None:
        """Return the state attributes."""
        return {"zone_id": self._zone_id, "bypassed": self._zone.bypassed}

    @property
    def is_on(self) -> bool | None:
        """Return true if sensor is on."""
        return self._zone.triggered

    async def async_bypass_zone(self) -> None:
        """Bypass this zone."""
        await self._bypass(True)

    async def async_unbypass_zone(self) -> None:
        """Unbypass this zone."""
        await self._bypass(False)

    async def _bypass(self, bypass: bool) -> None:
        raise NotImplementedError


class RiscoCloudBinarySensor(RiscoBinarySensor, RiscoEntity):
    """Representation of a Risco cloud zone as a binary sensor."""

    def __init__(
        self, coordinator: RiscoDataUpdateCoordinator, zone_id: int, zone: Zone
    ) -> None:
        """Init the zone."""
        super().__init__(zone_id=zone_id, zone=zone, coordinator=coordinator)
        self._attr_unique_id = binary_sensor_unique_id(self._risco, zone_id)
        self._attr_device_info = DeviceInfo(
            identifiers={(DOMAIN, self._attr_unique_id)},
            manufacturer="Risco",
            name=self._zone.name,
        )

    def _get_data_from_coordinator(self) -> None:
        self._zone = self.coordinator.data.zones[self._zone_id]

    async def _bypass(self, bypass: bool) -> None:
        alarm = await self._risco.bypass_zone(self._zone_id, bypass)
        self._zone = alarm.zones[self._zone_id]
        self.async_write_ha_state()


class RiscoLocalBinarySensor(RiscoBinarySensor):
    """Representation of a Risco local zone as a binary sensor."""

    _attr_should_poll = False

    def __init__(
        self,
        system_id: str,
        zone_id: int,
        zone: Zone,
        zone_updates: dict[int, Callable[[], Any]],
    ) -> None:
        """Init the zone."""
        super().__init__(zone_id=zone_id, zone=zone)
        self._system_id = system_id
        self._zone_updates = zone_updates
        self._attr_unique_id = f"{system_id}_zone_{zone_id}_local"
        self._attr_device_info = DeviceInfo(
            identifiers={(DOMAIN, self._attr_unique_id)},
            manufacturer="Risco",
            name=self._zone.name,
        )

    async def async_added_to_hass(self) -> None:
        """Subscribe to updates."""
        self._zone_updates[self._zone_id] = self.async_write_ha_state

    @property
    def extra_state_attributes(self) -> Mapping[str, Any] | None:
        """Return the state attributes."""
        return {
            **(super().extra_state_attributes or {}),
            "groups": self._zone.groups,
        }

    async def _bypass(self, bypass: bool) -> None:
        await self._zone.bypass(bypass)