"""Audit storage for Search Gateway executions."""

from __future__ import annotations

import json
from pathlib import Path
from typing import Any


class SearchAuditStore:
    def __init__(self, root: str = "runtime/search-gateway/audit"):
        self.root = Path(root)
        self.root.mkdir(parents=True, exist_ok=True)

    def append(self, record: dict[str, Any]) -> str:
        path = self.root / f"{record.get('request_id', 'search')}.json"
        path.write_text(json.dumps(record, ensure_ascii=False, indent=2), encoding="utf-8")
        return str(path)

    def list_recent(self) -> list[dict[str, Any]]:
        result = []
        for path in sorted(self.root.glob("*.json")):
            result.append(json.loads(path.read_text(encoding="utf-8")))
        return result[-50:]


__all__ = ["SearchAuditStore"]