import Cookies from "js-cookie";
import { toast } from "sonner";
import i18n from "@/i18n";
import { clearRememberMePreference } from "../utils/authPersistence";

const PUBLIC_PATHS = [
  "/login",
  "/sign-up",
  "/forgot-password",
  "/reset-password",
  "/set-password",
  "/verify-otp",
  "/verification_page",
  "/callback",
  "/complaints",
  "/complaint-form",
  "/follow-complaint",
];

let isHandlingExpiry = false;

const isOnPublicPath = (pathname: string): boolean => {
  if (pathname === "/") return true;
  return PUBLIC_PATHS.some(
    (p) => pathname === p || pathname.startsWith(`${p}/`),
  );
};

export function handleSessionExpiry(): void {
  if (typeof window === "undefined") return;
  if (isHandlingExpiry) return;
  isHandlingExpiry = true;

  Object.keys(Cookies.get()).forEach((name) => Cookies.remove(name));
  clearRememberMePreference();

  toast.error(i18n.t("msg.authError"), {
    description: i18n.t("msg.authErrorDescription"),
    duration: 4000,
  });

  const { pathname, search } = window.location;
  if (isOnPublicPath(pathname)) {
    window.location.replace("/login");
    return;
  }

  const from = `${pathname}${search}`;
  window.location.replace(`/login?from=${encodeURIComponent(from)}`);
}