// LV-8: the @zxcvbn-ts replacement must score the master-password strength
// meter on the same 0-4 scale as the old zxcvbn, with dictionaries loaded
// (language-common is what keeps weak passwords from scoring optimistically).
import { beforeAll, describe, expect, it } from "vitest";
import { zxcvbn, zxcvbnOptions } from "@zxcvbn-ts/core";
import * as common from "@zxcvbn-ts/language-common";
import * as en from "@zxcvbn-ts/language-en";

beforeAll(() => {
  // Mirror the loader in Lock.tsx exactly.
  zxcvbnOptions.setOptions({
    translations: en.translations,
    graphs: common.adjacencyGraphs,
    dictionary: { ...common.dictionary, ...en.dictionary },
  });
});

describe("LV-8 password strength scoring", () => {
  it("scores a common weak password low (<= 1)", () => {
    expect(zxcvbn("password123").score).toBeLessThanOrEqual(1);
  });

  it("scores a long random passphrase at the top of the scale (4)", () => {
    expect(zxcvbn("9xQ!vZ2pLm74Tr#Ke8Wd5Bn").score).toBe(4);
  });

  it("keeps the 0-4 integer scale", () => {
    const s = zxcvbn("correct horse battery staple").score;
    expect(Number.isInteger(s)).toBe(true);
    expect(s).toBeGreaterThanOrEqual(0);
    expect(s).toBeLessThanOrEqual(4);
  });
});