from __future__ import annotations

from typing import Any


def should_auto_join(room_id: str, config: dict[str, Any]) -> bool:
    auto_join = config.get("autoJoin", "off")
    if auto_join == "always":
        return True
    if auto_join == "off":
        return False
    if auto_join == "allowlist":
        rooms = config.get("rooms", {})
        room_cfg = rooms.get(room_id, {})
        return room_cfg.get("allow", True)
    return False