from __future__ import annotations

from collections.abc import Sequence

from app.domain.observability import AuditLogEntry


class AuditLogRepository:
    """Temporary in-process audit repository.

    This keeps the service and data shape stable while we decide the final
    native table/migration layout. It should later be replaced by a PostgreSQL-
    backed implementation without changing the application layer API.
    """

    _entries: list[AuditLogEntry] = []

    async def add(self, entry: AuditLogEntry) -> AuditLogEntry:
        self._entries.append(entry)
        return entry

    async def list_recent(self, limit: int = 100) -> Sequence[AuditLogEntry]:
        return self._entries[-limit:]