from __future__ import annotations

from fastapi import Depends, HTTPException, Request
from sqlalchemy.orm import Session

from app.auth import actor_name
from app.db import get_db
from app.models import Tenant


def actor(request: Request) -> str:
    return actor_name(request)


def tenant_or_404(tenant_id: str, db: Session = Depends(get_db)) -> Tenant:
    t = db.get(Tenant, tenant_id)
    if t is None:
        raise HTTPException(404, f"Tenant „{tenant_id}“ nicht gefunden")
    return t