from __future__ import annotations

from contextlib import asynccontextmanager

from fastapi import FastAPI
from fastapi.staticfiles import StaticFiles

from app.db import init_db, session
from app import auth
from app.routers import api, pages
from sqlalchemy import func, select

from app.models import Tenant
from app.services import seed
from app.services.importer import seed_settings
from app.settings import ROOT

SEED_FILE = ROOT / "seed" / "tenants.seed.json.gz"


@asynccontextmanager
async def lifespan(_: FastAPI):
    init_db()
    with session() as db:
        # Frische Instanz → mit den importierten Tenants starten (ohne Secret-Werte)
        if SEED_FILE.exists() and not db.scalar(select(func.count()).select_from(Tenant)):
            print(f"[seed] {seed.load(db, SEED_FILE)} Tenants aus {SEED_FILE.name} geladen")
        seed_settings(db)
    yield


app = FastAPI(title="Onyscribe Admin", lifespan=lifespan)
app.middleware("http")(auth.middleware)
app.include_router(auth.router)
app.mount("/static", StaticFiles(directory=str(ROOT / "app" / "static")), name="static")
app.include_router(api.router)
app.include_router(pages.router)


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