"""Weather widget: one of four display modes (see models.
WeatherWidgetConfig) backed by a pluggable provider (app/weather/'s
PROVIDERS registry -- Open-Meteo or NWS) and drawn by app/weather_render.
py's build() dispatch. No real "next"/"back" concept (same as
whiteboard) -- a single "check now" action forces a re-fetch bypassing
the normal throttle."""

from __future__ import annotations

from PIL import Image
from sqlalchemy.orm import Session

from .. import weather_render
from ..models import Frame, WeatherWidgetConfig, Widget
from ..routers.common import get_or_refresh_weather_widget_data
from ._shared import placeholder_image

ACTION_LABELS = {"check_now": "Check for updates"}


def render(db: Session, frame: Frame, widget: Widget, target_w: int, target_h: int,
          is_normal_wake: bool = True) -> Image.Image:
    """is_normal_wake is unused here -- see app/widgets/photos.py's
    identical note; every widget type's render() shares one call
    signature regardless of which ones actually care."""
    cfg = db.get(WeatherWidgetConfig, widget.id)
    data = get_or_refresh_weather_widget_data(db, frame, widget)
    if data is None:
        return placeholder_image(target_w, target_h, ["Weather widget", "not configured yet"])
    return weather_render.build(
        cfg.mode, data, target_w, target_h, frame.palette_rgb, cfg.units,
        city_label=cfg.city_label or "", interval_hours=cfg.hourly_interval_hours,
    )


def _check_now(db: Session, frame: Frame, widget: Widget) -> None:
    get_or_refresh_weather_widget_data(db, frame, widget, force=True)


ACTIONS = {"check_now": _check_now}