import { createContext } from "react";
import type { Department, Factor, Me, PresenceUser } from "./types";

export type AuthStatus = "loading" | "anonymous" | "ready" | "locked";

export interface AuthState {
  status: AuthStatus;
  /** Null while loading, when signed out, and when a 423 arrived before /me answered. */
  me: Me | null;
  departments: Department[];
  /** Shown on the sign-in page once, for example after a session ended. */
  notice: string | null;
  presence: PresenceUser[];
  refresh: () => Promise<void>;
  signInPassword: (login: string, password: string) => Promise<Me>;
  signInPin: (empNo: string, pin: string) => Promise<Me>;
  signOut: () => Promise<void>;
  /** Drops the session in the browser without calling the server, with a notice for the sign-in page. */
  endSession: (notice: string | null) => void;
  unlock: (factor: Factor, secret: string) => Promise<Me>;
  lock: () => Promise<void>;
  /** Replaces the cached Me, for example after a PIN change. */
  setMe: (me: Me) => void;
  roleLabel: (role: string) => string;
}

export const AuthCtx = createContext<AuthState | null>(null);