"""Pure agreement status rules shared by API and tests."""

from typing import Any, Dict, List


def agreement_status(subscriptions: List[Dict[str, Any]], changes: List[Dict[str, Any]]) -> str:
    change_statuses = {row.get("status") for row in changes}
    if change_statuses.intersection({"failed", "partially_applied"}):
        return "Kræver handling"
    if "pending" in change_statuses or "draft" in change_statuses:
        return "Ændring afventer"
    if change_statuses.intersection({"approved_scheduled", "applying"}):
        return "Planlagt ændring"
    statuses = [row.get("status") for row in subscriptions]
    if not statuses or all(status in {"cancelled", "expired"} for status in statuses):
        return "Afsluttet"
    live = [status for status in statuses if status not in {"cancelled", "expired"}]
    if live and all(status == "terminating" for status in live):
        return "Under opsigelse"
    if any(status in {"cancelled", "expired", "terminating"} for status in statuses):
        return "Delvist opsagt"
    if any(status == "paused" for status in statuses) and any(status == "active" for status in statuses):
        return "Delvist pauseret"
    if any(status == "active" for status in statuses):
        return "Aktiv"
    if statuses and all(status == "scheduled" for status in statuses):
        return "Planlagt"
    return "Kladde"