// Freshness never establishes completeness. Immutable ranges are planned by
// their coverage owners; these TTLs apply only to mutable source snapshots.
export const tbankSourceTtlMs = {
  membership: 3_600_000,
  portfolio: 3_600_000,
  quote: 3_600_000,
  candleTail: 3_600_000,
} as const;

export function tbankSourceNeedsRefresh(
  source: keyof typeof tbankSourceTtlMs,
  fetchedAt: Date | null,
  now: Date,
  force = false,
): boolean {
  return (
    force ||
    !fetchedAt ||
    // eslint-disable-next-line security/detect-object-injection -- The key is a member of the closed TbankSource union.
    now.valueOf() - fetchedAt.valueOf() >= tbankSourceTtlMs[source]
  );
}