"""Shared Sonarr/Radarr configuration helpers."""

from typing import Any


class RootFolderNotFoundError(ValueError):
    pass


async def resolve_root_folder_path(client: Any, root_folder: str, service_name: str) -> str:
    configured = str(root_folder or "").strip()
    if not configured.isdigit():
        return configured
    folders = await client.get_root_folders()
    if isinstance(folders, list):
        for folder in folders:
            if isinstance(folder, dict) and folder.get("id") == int(configured):
                path = str(folder.get("path") or "").strip()
                if path:
                    return path
    raise RootFolderNotFoundError(f"{service_name} root folder id {configured} not found")