/* PLAN 317-1 단위검증 헬퍼 — 낡음 지문(`staleKey`) · 같은 지문이면 다시 셈 안 함(`scheduleIfStale`).
 * 화면 TS 를 그 자리에서 트랜스파일해 Node 로 돌림 · 다시 셈 창구는 흉내(부른 횟수만 셈).
 * 짝 = `test_317_3d_update.py`.
 */
const fs = require("fs");
const path = require("path");
const ts = require(path.join(__dirname, "..", "..", "config", "node_modules", "typescript"));
const CATALOG = require("./helper_322_catalog_module.cjs"); // 구조물 표(322-1)

const ROOT = path.join(__dirname, "..", "..");
let refreshCalls = 0;
const STUBS = {
  "../B06_Section/B06_Section_Cross_Refresh": {
    refreshCrossDesigns: async () => {
      refreshCalls += 1;
      return [];
    },
    holdScreenAlignment: () => () => {}, // 화면 선 맡김(342-1) — 이 시험 몫 아님
  },
};
globalThis.window = { setTimeout: (fn) => (fn(), 1), clearTimeout: () => {} };
const cache = new Map();
const load = (file) => {
  if (cache.has(file)) return cache.get(file);
  const js = ts.transpileModule(fs.readFileSync(file, "utf8"), {
    compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2020 },
  }).outputText;
  const box = { exports: {} };
  cache.set(file, box.exports);
  const near = (m) => {
    if (CATALOG.isCatalogRequest(m)) return CATALOG;
    if (STUBS[m]) return STUBS[m];
    if (m.startsWith("@util/")) return load(path.join(ROOT, "common_util", `${m.slice(6)}.ts`));
    if (m.startsWith(".")) return load(path.join(path.dirname(file), `${m}.ts`));
    return new Proxy({}, { get: () => () => {} });
  };
  new Function("exports", "module", "require", js)(box.exports, box, near);
  return box.exports;
};

const { staleKey } = load(path.join(ROOT, "B06_Section", "B06_Section_UI_Section_Common.ts"));
const { createCrossPreview } = load(
  path.join(ROOT, "B05_Profile", "B05_Profile_UI_Profile_Preview.ts"),
);

const detailOf = (sections) => ({
  longitudinal: { design_profiles: [] },
  cross_sections: sections,
});
const fordStale = {
  chainage_m: 50,
  ford_pavement: {},
  design: { design_elevation_m: 1, paved: true },
};
const fordFresh = { ...fordStale, design: { ...fordStale.design, tilted: true } };

(async () => {
  const out = {
    key_stale: staleKey(detailOf([fordStale])),
    key_fresh: staleKey(detailOf([fordFresh])),
  };
  const preview = createCrossPreview({
    projectId: "p1",
    detail: () => detailOf([fordStale]),
    routeId: () => 1,
    edits: () => ({ station_offsets: {}, curve_radii: {} }),
    alignment: () => null,
    debounceMs: () => 0,
    onApplied: () => {},
  });
  const calls = [];
  for (const key of ["a", "a", "", "a", "b"]) {
    preview.scheduleIfStale(key);
    await Promise.resolve();
    calls.push(refreshCalls);
  }
  out.calls = calls;
  process.stdout.write(JSON.stringify(out));
})().catch((error) => {
  process.stderr.write(String(error && error.stack ? error.stack : error));
  process.exit(1);
});