/* PLAN 505-2 단위검증 헬퍼 — 진짜 `design_pipeline_stations.ts` snapOptions(옛 초안 간격) ·
 * `design_structure_pipe_calc.ts` set 풀개(떠난 페이지를 놓음). 짝 = `test_505_2_save_pick.py`. */
const fs = require("fs");
const path = require("path");
const ts = require(path.join(__dirname, "..", "..", "config", "node_modules", "typescript"));

const ROOT = path.join(__dirname, "..", "..");

function load(rel) {
  const js = ts.transpileModule(fs.readFileSync(path.join(ROOT, rel), "utf8"), {
    compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2020 },
  }).outputText;
  const box = { exports: {} };
  new Function("exports", "module", "require", js)(box.exports, box, () => ({}));
  return box.exports;
}

(async () => {
  const out = {};
  // 2b — 초안 간격 · 저장 간격 → 측점 셈 간격(서버 load_station_snap_step 과 같아야 함)
  const { snapOptions } = load("A00_Common/design/logic/design_pipeline_stations.ts");
  out.draft = [10, 0.1, 1, 20, null].map(
    (step) => snapOptions({ stationSnap: true, stationSnapStep: step }, null).stationSnapStep,
  );
  out.saved = [10, 0.1, 1, null].map(
    (step) => snapOptions(null, { station_snap: true, station_snap_step: step }).stationSnapStep,
  );
  out.snapKept = snapOptions({ stationSnap: true, stationSnapStep: 0.1 }, null).stationSnap;

  // 7 — 풀개는 자기 값일 때만 비움
  const calc = load("A00_Common/design/design_structure_pipe_calc.ts");
  const opened = { a: 0, b: 0 };
  const releaseA = calc.setPipeCrossOpener(async () => void (opened.a += 1));
  releaseA();
  await calc.setPipeExtraCount(null, 1);
  out.afterRelease = opened.a; // 0 — 풀린 옛 페이지를 안 부름
  const releaseA2 = calc.setPipeCrossOpener(async () => void (opened.a += 1));
  calc.setPipeCrossOpener(async () => void (opened.b += 1));
  releaseA2(); // 옛 것 풀개 — 새 것은 그대로
  await calc.setPipeExtraCount(null, 1);
  out.newKept = { ...opened };
  let sunk = 0;
  const releaseSink = calc.setPipeExtraCountSink(() => void (sunk += 1));
  await calc.setPipeExtraCount(null, 1);
  out.sinkOpened = opened.b; // sink 있으면 열지 않음 → 그대로 1
  releaseSink();
  await calc.setPipeExtraCount(null, 1);
  out.sinkReleasedOpened = opened.b; // sink 풀림 → 새 횡단 보기를 엶 → 2
  process.stdout.write(JSON.stringify(out));
})().catch((error) => {
  console.error(error);
  process.exit(1);
});