from .base import Notifier
from .gateway import GatewayNotifier


def build_notifier(name: str, cfg: dict | None = None) -> Notifier:
    cfg = cfg or {}
    if name == "gateway":
        return GatewayNotifier(
            base_url=cfg.get("url", ""),
            token=cfg.get("token", ""),
            channels=cfg.get("channels", []),
            telegram_bot=cfg.get("telegram_bot", ""),
        )
    raise ValueError(f"Unknown notification adapter: {name}")