from __future__ import annotations

from typing import Any


def get_room_config(room_id: str, config: dict[str, Any]) -> dict[str, Any]:
    rooms = config.get("rooms", {})
    return rooms.get(room_id, {})


def get_room_users(room_id: str, config: dict[str, Any]) -> list[str]:
    room_cfg = get_room_config(room_id, config)
    return room_cfg.get("users", [])


def is_room_allowed(room_id: str, config: dict[str, Any]) -> bool:
    room_cfg = get_room_config(room_id, config)
    return room_cfg.get("allow", True)


def get_room_require_mention(room_id: str, config: dict[str, Any]) -> bool:
    room_cfg = get_room_config(room_id, config)
    return room_cfg.get("requireMention", config.get("requireMention", True))