"""Serves the built Vue SPA from frontend/dist/ with history-mode fallback."""

from pathlib import Path

from quart import Blueprint, send_from_directory

FRONTEND_DIST = Path(__file__).resolve().parent.parent.parent / "frontend" / "dist"

frontend_bp = Blueprint("frontend", __name__)


@frontend_bp.route("/")
@frontend_bp.route("/<path:subpath>")
async def serve_spa(subpath: str = ""):
    if subpath and (FRONTEND_DIST / subpath).is_file():
        return await send_from_directory(FRONTEND_DIST, subpath)
    return await send_from_directory(FRONTEND_DIST, "index.html")