"""The PurpleAir integration."""

from __future__ import annotations

from collections.abc import Mapping
from typing import Any

from aiopurpleair.models.sensors import SensorModel

from homeassistant.config_entries import ConfigEntry
from homeassistant.const import (
    ATTR_LATITUDE,
    ATTR_LONGITUDE,
    CONF_SHOW_ON_MAP,
    Platform,
)
from homeassistant.core import HomeAssistant
from homeassistant.helpers.device_registry import DeviceInfo
from homeassistant.helpers.update_coordinator import CoordinatorEntity

from .const import DOMAIN
from .coordinator import PurpleAirDataUpdateCoordinator

PLATFORMS = [Platform.SENSOR]


async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
    """Set up PurpleAir from a config entry."""
    coordinator = PurpleAirDataUpdateCoordinator(hass, entry)
    await coordinator.async_config_entry_first_refresh()
    hass.data.setdefault(DOMAIN, {})[entry.entry_id] = coordinator

    await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)

    entry.async_on_unload(entry.add_update_listener(async_handle_entry_update))

    return True


async def async_handle_entry_update(hass: HomeAssistant, entry: ConfigEntry) -> None:
    """Handle an options update."""
    await hass.config_entries.async_reload(entry.entry_id)


async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
    """Unload a config entry."""
    if unload_ok := await hass.config_entries.async_unload_platforms(entry, PLATFORMS):
        hass.data[DOMAIN].pop(entry.entry_id)

    return unload_ok


class PurpleAirEntity(CoordinatorEntity[PurpleAirDataUpdateCoordinator]):
    """Define a base PurpleAir entity."""

    _attr_has_entity_name = True

    def __init__(
        self,
        coordinator: PurpleAirDataUpdateCoordinator,
        entry: ConfigEntry,
        sensor_index: int,
    ) -> None:
        """Initialize."""
        super().__init__(coordinator)

        self._sensor_index = sensor_index

        self._attr_device_info = DeviceInfo(
            configuration_url=self.coordinator.async_get_map_url(sensor_index),
            hw_version=self.sensor_data.hardware,
            identifiers={(DOMAIN, str(sensor_index))},
            manufacturer="PurpleAir, Inc.",
            model=self.sensor_data.model,
            name=self.sensor_data.name,
            sw_version=self.sensor_data.firmware_version,
        )
        self._entry = entry

    @property
    def extra_state_attributes(self) -> Mapping[str, Any]:
        """Return entity specific state attributes."""
        attrs = {}

        # Displaying the geography on the map relies upon putting the latitude/longitude
        # in the entity attributes with "latitude" and "longitude" as the keys.
        # Conversely, we can hide the location on the map by using other keys, like
        # "lati" and "long":
        if self._entry.options.get(CONF_SHOW_ON_MAP):
            attrs[ATTR_LATITUDE] = self.sensor_data.latitude
            attrs[ATTR_LONGITUDE] = self.sensor_data.longitude
        else:
            attrs["lati"] = self.sensor_data.latitude
            attrs["long"] = self.sensor_data.longitude
        return attrs

    @property
    def sensor_data(self) -> SensorModel:
        """Define a property to get this entity's SensorModel object."""
        return self.coordinator.data.data[self._sensor_index]