from nonebot.adapters.onebot.v11 import GroupMessageEvent


def get_at_id(ev: GroupMessageEvent) -> int | None:
    """提取消息中第一个被 at 的用户(排除 at all)"""
    for m in ev.message:
        if m.type == "at" and m.data.get("qq") != "all":
            return int(m.data["qq"])
    return None


def has_at_all(ev: GroupMessageEvent) -> bool:
    return any(m.type == "at" and m.data.get("qq") == "all" for m in ev.message)