import type { PublicUser } from "../api/auth.js";

const STORAGE_KEY = "eden.reseller.session";

export interface StoredSession {
  accessToken: string;
  refreshToken: string;
  user: PublicUser;
}

/**
 * Basic session persistence (localStorage) so a page refresh doesn't log
 * the user out. Deliberately NOT rotating the refresh token automatically
 * on expiry in this leva — see apps/reseller-web/src/lib/auth/AuthContext.tsx.
 */
export function readSession(): StoredSession | null {
  try {
    const raw = window.localStorage.getItem(STORAGE_KEY);
    if (!raw) return null;
    const parsed = JSON.parse(raw) as StoredSession;
    if (!parsed.accessToken || !parsed.refreshToken || !parsed.user) return null;
    return parsed;
  } catch {
    return null;
  }
}

export function writeSession(session: StoredSession): void {
  window.localStorage.setItem(STORAGE_KEY, JSON.stringify(session));
}

export function clearSession(): void {
  window.localStorage.removeItem(STORAGE_KEY);
}