from __future__ import annotations

from adapter.matrix.store import get_room_meta, next_chat_id, set_room_meta
from core.store import StateStore


async def resolve_chat_id(store: StateStore, room_id: str, matrix_user_id: str) -> str:
    meta = await get_room_meta(store, room_id)
    if meta and meta.get("chat_id"):
        return meta["chat_id"]

    chat_id = await next_chat_id(store, matrix_user_id)
    await set_room_meta(
        store,
        room_id,
        {
            "room_type": "chat",
            "chat_id": chat_id,
            "display_name": f"Чат {chat_id}",
            "matrix_user_id": matrix_user_id,
        },
    )
    return chat_id