"""Coordinator for the Notification Store integration."""

from __future__ import annotations

from datetime import timedelta
from typing import Any

import logging

from homeassistant.core import HomeAssistant
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator

from .const import DOMAIN, NAME

_LOGGER = logging.getLogger(__name__)
from .store import NotificationStore


class NotificationStoreCoordinator(DataUpdateCoordinator[dict[str, Any]]):
    """Coordinate notification store updates."""

    def __init__(
        self,
        hass: HomeAssistant,
        store: NotificationStore,
        update_interval: timedelta,
    ) -> None:
        """Initialize the coordinator."""
        super().__init__(
            hass,
            logger=_LOGGER,
            name=NAME,
            update_interval=update_interval,
            always_update=False,
        )
        self.store = store

    async def _async_update_data(self) -> dict[str, Any]:
        """Fetch data from the notification store."""
        return await self.store.async_load()

    @property
    def notifications(self) -> list[dict[str, Any]]:
        """Return all notifications."""
        return list((self.data or {}).get("notifications", []))

    @property
    def unread_notifications(self) -> list[dict[str, Any]]:
        """Return unread notifications."""
        return [
            item
            for item in self.notifications
            if item.get("status", "unread") == "unread"
        ]