import type { CarePlan } from 'fhir/r4';
import { isArchived } from './archivedResource';

// The statuses a plan ends with. The server's stoppedCarePlan.ts names the same three, and cancels the
// plan's owed tasks for any of them or for the archive marker.
const ENDED_STATUSES = new Set<CarePlan['status']>(['revoked', 'completed', 'entered-in-error']);

/**
 * True when the plan owes the patient nothing more: archived, or ended by its status.
 *
 * THE MARKER, NOT THE STATUS. A plan archived as "No longer applies" keeps `status: active` and says it
 * was archived only in its archive extension, so a status check alone reads it as current.
 */
export const isCarePlanStopped = (plan?: CarePlan | null): boolean =>
    Boolean(plan) && (isArchived(plan) || ENDED_STATUSES.has(plan!.status));