"""Utility functions for Bring."""

from __future__ import annotations

from bring_api import BringUserSettingsResponse

from .coordinator import BringData


def list_language(
    list_uuid: str,
    user_settings: BringUserSettingsResponse,
) -> str | None:
    """Get the lists language setting."""
    try:
        list_settings = next(
            filter(
                lambda x: x["listUuid"] == list_uuid,
                user_settings["userlistsettings"],
            )
        )

        return next(
            filter(
                lambda x: x["key"] == "listArticleLanguage",
                list_settings["usersettings"],
            )
        )["value"]

    except (StopIteration, KeyError):
        return None


def sum_attributes(bring_list: BringData, attribute: str) -> int:
    """Count items with given attribute set."""
    return sum(
        item["attributes"][0]["content"][attribute]
        for item in bring_list["purchase"]
        if len(item.get("attributes", []))
    )