import logging

logger = logging.getLogger("yuxi.channel.xmpp.muc")


async def join_muc_with_fallback(bot, room: str, nicks: list[str], password: str | None = None) -> tuple[str, str]:
    last_error = None
    for nick in nicks:
        try:
            muc = bot.plugin["xep_0045"]
            await muc.join_muc_wait(room, nick, password=password, maxstanzas=0)
            return room, nick
        except Exception as e:
            last_error = e
            logger.debug("MUC join failed with nick '%s' for %s: %s", nick, room, e)
            continue
    raise RuntimeError(f"无法加入 MUC 房间 {room}: {last_error}")


async def leave_muc(bot, room: str, nick: str) -> None:
    try:
        muc = bot.plugin["xep_0045"]
        await muc.leave_muc_wait(room, nick, msg="Bot offline")
        logger.info("Left MUC: %s (%s)", room, nick)
    except Exception as e:
        logger.warning("Failed to leave MUC %s: %s", room, e)