"""Sensor platform for motionEye."""
from __future__ import annotations

import logging
from types import MappingProxyType
from typing import Any

from motioneye_client.client import MotionEyeClient
from motioneye_client.const import KEY_ACTIONS

from homeassistant.components.sensor import SensorEntity, SensorEntityDescription
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import StateType
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator

from . import MotionEyeEntity, get_camera_from_cameras, listen_for_new_cameras
from .const import CONF_CLIENT, CONF_COORDINATOR, DOMAIN, TYPE_MOTIONEYE_ACTION_SENSOR

_LOGGER = logging.getLogger(__name__)


async def async_setup_entry(
    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
) -> None:
    """Set up motionEye from a config entry."""
    entry_data = hass.data[DOMAIN][entry.entry_id]

    @callback
    def camera_add(camera: dict[str, Any]) -> None:
        """Add a new motionEye camera."""
        async_add_entities(
            [
                MotionEyeActionSensor(
                    entry.entry_id,
                    camera,
                    entry_data[CONF_CLIENT],
                    entry_data[CONF_COORDINATOR],
                    entry.options,
                )
            ]
        )

    listen_for_new_cameras(hass, entry, camera_add)


class MotionEyeActionSensor(MotionEyeEntity, SensorEntity):
    """motionEye action sensor camera."""

    _attr_translation_key = "actions"

    def __init__(
        self,
        config_entry_id: str,
        camera: dict[str, Any],
        client: MotionEyeClient,
        coordinator: DataUpdateCoordinator,
        options: MappingProxyType[str, str],
    ) -> None:
        """Initialize an action sensor."""
        super().__init__(
            config_entry_id,
            TYPE_MOTIONEYE_ACTION_SENSOR,
            camera,
            client,
            coordinator,
            options,
            SensorEntityDescription(
                key=TYPE_MOTIONEYE_ACTION_SENSOR, entity_registry_enabled_default=False
            ),
        )

    @property
    def native_value(self) -> StateType:
        """Return the value reported by the sensor."""
        return len(self._camera.get(KEY_ACTIONS, [])) if self._camera else 0

    @property
    def extra_state_attributes(self) -> dict[str, Any] | None:
        """Add actions as attribute."""
        if actions := (self._camera.get(KEY_ACTIONS) if self._camera else None):
            return {KEY_ACTIONS: actions}
        return None

    @callback
    def _handle_coordinator_update(self) -> None:
        """Handle updated data from the coordinator."""
        self._camera = get_camera_from_cameras(self._camera_id, self.coordinator.data)
        super()._handle_coordinator_update()