"""Coordinator for fetching data from fitbit API."""

import asyncio
from dataclasses import dataclass
import datetime
import logging
from typing import Final

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 .api import FitbitApi
from .exceptions import FitbitApiException, FitbitAuthException
from .model import FitbitDevice

_LOGGER = logging.getLogger(__name__)

UPDATE_INTERVAL: Final = datetime.timedelta(minutes=30)
TIMEOUT = 10

type FitbitConfigEntry = ConfigEntry[FitbitData]


class FitbitDeviceCoordinator(DataUpdateCoordinator[dict[str, FitbitDevice]]):
    """Coordinator for fetching fitbit devices from the API."""

    config_entry: FitbitConfigEntry

    def __init__(
        self, hass: HomeAssistant, config_entry: FitbitConfigEntry, api: FitbitApi
    ) -> None:
        """Initialize FitbitDeviceCoordinator."""
        super().__init__(
            hass,
            _LOGGER,
            config_entry=config_entry,
            name="Fitbit",
            update_interval=UPDATE_INTERVAL,
        )
        self._api = api

    async def _async_update_data(self) -> dict[str, FitbitDevice]:
        """Fetch data from API endpoint."""
        async with asyncio.timeout(TIMEOUT):
            try:
                devices = await self._api.async_get_devices()
            except FitbitAuthException as err:
                raise ConfigEntryAuthFailed(err) from err
            except FitbitApiException as err:
                raise UpdateFailed(err) from err
        return {device.id: device for device in devices}


@dataclass
class FitbitData:
    """Config Entry global data."""

    api: FitbitApi
    device_coordinator: FitbitDeviceCoordinator | None