"""Audit log for Cursor delegations."""

from __future__ import annotations

import json
from datetime import datetime, timezone
from pathlib import Path
from typing import Any

from cursor_mcp.config import settings


def audit_log(event: str, payload: dict[str, Any]) -> None:
    path = Path(settings.audit_log_path).expanduser()
    path.parent.mkdir(parents=True, exist_ok=True)
    record = {
        "ts": datetime.now(timezone.utc).isoformat(),
        "event": event,
        **payload,
    }
    with path.open("a", encoding="utf-8") as fh:
        fh.write(json.dumps(record, default=str) + "\n")