"""DataUpdateCoordinator for the co2signal integration."""
from __future__ import annotations

from datetime import timedelta
import logging

from aioelectricitymaps import ElectricityMaps
from aioelectricitymaps.exceptions import ElectricityMapsError, InvalidToken
from aioelectricitymaps.models import CarbonIntensityResponse

from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import ConfigEntryAuthFailed
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed

from .const import DOMAIN
from .helpers import fetch_latest_carbon_intensity

_LOGGER = logging.getLogger(__name__)


class CO2SignalCoordinator(DataUpdateCoordinator[CarbonIntensityResponse]):
    """Data update coordinator."""

    config_entry: ConfigEntry

    def __init__(self, hass: HomeAssistant, client: ElectricityMaps) -> None:
        """Initialize the coordinator."""
        super().__init__(
            hass, _LOGGER, name=DOMAIN, update_interval=timedelta(minutes=15)
        )
        self.client = client

    @property
    def entry_id(self) -> str:
        """Return entry ID."""
        return self.config_entry.entry_id

    async def _async_update_data(self) -> CarbonIntensityResponse:
        """Fetch the latest data from the source."""

        try:
            return await fetch_latest_carbon_intensity(
                self.hass, self.client, self.config_entry.data
            )
        except InvalidToken as err:
            raise ConfigEntryAuthFailed from err
        except ElectricityMapsError as err:
            raise UpdateFailed(str(err)) from err