"""Static image widget: shows whatever image the user last uploaded
(routers/api_widgets.py's api_widget_static_upload already decoded
PNG/JPEG/GIF/PDF/etc. into plain RGB PNG bytes at upload time, see
app/image_upload.py and models.StaticWidgetConfig) -- no live upstream
to fetch, so render() is just a decode + compose_into, the simplest of
every widget type's render().

No button actions -- there's nothing to advance/back/check for a fixed
uploaded image."""

from __future__ import annotations

import io

from PIL import Image
from sqlalchemy.orm import Session

from ..image_pipeline import compose_into
from ..models import Frame, StaticWidgetConfig, Widget
from ._shared import placeholder_image

ACTIONS: dict = {}
ACTION_LABELS: dict[str, str] = {}


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 -- see app/widgets/whiteboard.py's
    identical note; every widget type's render() shares one call
    signature regardless of which ones actually care."""
    cfg = db.get(StaticWidgetConfig, widget.id)
    if not cfg.image:
        return placeholder_image(target_w, target_h, ["Static image widget", "not configured yet"])
    source = Image.open(io.BytesIO(cfg.image)).convert("RGB")
    return compose_into(source, faces=None, target_w=target_w, target_h=target_h, display_mode=cfg.display_mode)
