// The Lucia project.
// Copyright 2026-2026 DSP, inc.  All rights reserved.
// Authors:
//   imacat.yang@dsp.im (imacat), 2026/03/06

import { describe, it, expect, beforeEach } from "vitest";

describe("router beforeEach guard logic", () => {
  beforeEach(() => {
    // Clear cookies
    document.cookie.split(";").forEach((c) => {
      const name = c.split("=")[0].trim();
      if (name) {
        document.cookie = name + "=; Max-Age=-99999999; path=/";
      }
    });
  });

  // Simulate the guard logic from router/index.ts
  function runGuard(to) {
    const isLoggedIn = document.cookie
      .split(";")
      .some((c) => c.trim().startsWith("isLuciaLoggedIn="));

    if (to.name === "Login") {
      if (isLoggedIn) return { name: "Files" };
    }
    return undefined;
  }

  it("redirects logged-in user from Login to Files", () => {
    document.cookie = "isLuciaLoggedIn=true";
    expect(runGuard({ name: "Login" })).toEqual({ name: "Files" });
  });

  it("allows unauthenticated user to visit Login", () => {
    expect(runGuard({ name: "Login" })).toBeUndefined();
  });

  it("does not interfere with non-Login routes", () => {
    document.cookie = "isLuciaLoggedIn=true";
    expect(runGuard({ name: "Files" })).toBeUndefined();
  });
});