export type MapCapture = { id: string; name: string; created_at: string };

// A contribution can be newer than the original capture, even when both have
// the same name/date in the picker. Keep deliberate choices; otherwise use the
// newest eligible capture, including when accepting a contribution adds one.
export function refreshCapture(sources: MapCapture[], chosen?: string) {
  if (chosen && sources.some((source) => source.id === chosen)) return chosen;
  return (
    sources.reduce<MapCapture | undefined>(
      (latest, source) =>
        !latest || Date.parse(source.created_at) > Date.parse(latest.created_at)
          ? source
          : latest,
      undefined,
    )?.id ?? ""
  );
}