from __future__ import annotations

import json

from flask_login import current_user

from ..extensions import db
from ..models import AuditLog


def log_action(action: str, target_type: str = '', target_id: str = '', **details) -> None:
    user_id = current_user.id if getattr(current_user, 'is_authenticated', False) else None
    entry = AuditLog(
        user_id=user_id,
        action=action,
        target_type=target_type,
        target_id=str(target_id or ''),
        details=json.dumps(details, ensure_ascii=False) if details else '',
    )
    db.session.add(entry)