import type { PractitionerRole } from "fhir/r4";

// A seat or setup written in one surface changes roles that others read from the shared practitioners
// list; they listen here and reload it rather than wait for a page reload.
// A role passed along is one just written, so the signed-in session can take it on if it is theirs.
const listeners = new Set<(role?: PractitionerRole) => void>();

export const notifyPractitionerRolesChanged = (role?: PractitionerRole) => listeners.forEach((listener) => listener(role));

export const onPractitionerRolesChanged = (listener: (role?: PractitionerRole) => void) => {
  listeners.add(listener);
  return () => {
    listeners.delete(listener);
  };
};