/**
 * 繁→简差分:MP moviepilot_rust.zhconv_fast(zh-hans) vs identity/toSimplified。
 * 期望由 `scripts/mp-sync/gen-differential.py zhconv` 生成;已知差异登记在 zhconv-deviations.json。
 */
import { readFileSync } from "node:fs";
import { expect, it } from "vitest";
import { toSimplified } from "../../src/identity/index.ts";

const read = (n: string) => JSON.parse(readFileSync(new URL(`./${n}`, import.meta.url), "utf8"));
const mp: Record<string, string> = read("zhconv-mp.json").hans;
const dev: Record<string, { mp: string; ours: string }> = read("zhconv-deviations.json").deviations;

it("toSimplified 与 MP zhconv 的差异集合 == 登记集合", () => {
  const actual: Record<string, { mp: string; ours: string }> = {};
  for (const [src, want] of Object.entries(mp)) {
    const ours = toSimplified(src);
    if (ours !== want) actual[src] = { mp: want, ours };
  }
  const snapshot = Object.fromEntries(Object.entries(dev).map(([k, d]) => [k, { mp: d.mp, ours: d.ours }]));
  expect(actual).toEqual(snapshot);
  expect(Object.keys(mp).length).toBeGreaterThanOrEqual(60);
});