from contextlib import asynccontextmanager
from pathlib import Path

from fastapi import FastAPI
from fastapi.responses import FileResponse
from fastapi.staticfiles import StaticFiles

import app.models  # noqa: F401 — registers models on Base.metadata before create_all
from app.db import Base, engine
from app.routes.auth import router as auth_router

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


@asynccontextmanager
async def lifespan(app: FastAPI):
    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.create_all)
    yield


app = FastAPI(title="Quantumancy", lifespan=lifespan)
app.include_router(auth_router)


@app.get("/healthz")
async def healthz():
    return {"status": "ok"}


app.mount("/assets", StaticFiles(directory=FRONTEND_DIST / "assets"), name="frontend-assets")


@app.get("/{full_path:path}")
async def serve_spa(full_path: str):
    return FileResponse(FRONTEND_DIST / "index.html")