from __future__ import annotations

from typing import Any

from sqlalchemy.orm import Session

from app.db.models import AuditLog, User


def log_event(
    session: Session,
    *,
    action: str,
    target: str = "",
    detail: dict[str, Any] | None = None,
    request=None,
    actor: User | None = None,
) -> None:
    ip = ""
    user_agent = ""
    if request is not None:
        ip = request.client.host if getattr(request, "client", None) else ""
        user_agent = request.headers.get("User-Agent", "") if getattr(request, "headers", None) else ""

    log = AuditLog(
        actor_user_id=actor.id if actor else None,
        action=action,
        target=target,
        detail=detail or {},
        ip=ip,
        user_agent=user_agent,
    )
    session.add(log)
    session.commit()