// The patient's one unread number: direct threads plus every listed team except the one on screen.
export const countPatientInboxUnread = (
  directUnread: number,
  teamIds: readonly string[],
  teamSummaries: ReadonlyMap<string, { unread: number }>,
  openTeamId?: string | null,
): number =>
  teamIds.reduce(
    (sum, teamId) => (teamId === openTeamId ? sum : sum + (teamSummaries.get(teamId)?.unread ?? 0)),
    directUnread,
  );