/**
 * What the signed-in gate draws while the session's identity resolves.
 *
 * A member in the join wait (utils/justJoinedHandoff) is shown that, whatever the stall timers say: the wait
 * is bounded and ends by opening the session or by failing the read, so no stall screen may claim the account
 * could not be opened while it runs.
 */
export type SessionGate = "setting-up" | "could-not-resolve" | "stalled" | "loading" | "ready";

export const sessionGateFor = (state: {
  settingUp: boolean;
  resolving: boolean;
  awaitingIdentity: boolean;
  identityStalled: boolean;
  sessionStalled: boolean;
}): SessionGate => {
  if (state.settingUp && (state.resolving || state.awaitingIdentity)) return "setting-up";
  if (state.awaitingIdentity && state.identityStalled) return "could-not-resolve";
  if (state.resolving) return state.sessionStalled ? "stalled" : "loading";
  return "ready";
};