/* PLAN 189-1 단위검증 헬퍼 — 카드 안 누른 포장층 → 그 노면공(`pavementAt`) · 범위 표식으로 겹친 노면공 가름.
 * 화면 TS(`B06_Section_UI_Cross_Design_Surface.ts`)를 그 자리에서 트랜스파일해 Node 로 돌림 · 결과 = 표준출력 JSON.
 * 짝 = `test_189_1_pave_pick.py`(세 갈래 상태는 `helper_165_pavement_flow.cjs` 가 냄).
 */
const fs = require("fs");
const path = require("path");
const ts = require(path.join(__dirname, "..", "..", "config", "node_modules", "typescript"));

const ROOT = path.join(__dirname, "..", "..");
const file = path.join(ROOT, "B06_Section", "B06_Section_UI_Cross_Design_Surface.ts");
const js = ts.transpileModule(fs.readFileSync(file, "utf8"), {
  compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2020 },
}).outputText;
const box = { exports: {} };
new Function("exports", "module", "require", js)(box.exports, box, () => ({}));
const { pavementAt } = box.exports;

const marks = [
  { structure_id: "pave", type_id: "pavement_concrete", start_m: 30, end_m: 250 },
  { structure_id: "pave2", type_id: "pavement_concrete", start_m: 100, end_m: 200 },
  { structure_id: "wall", type_id: "retaining_wall", start_m: 100, end_m: 200 },
];
/** 누른 요소 흉내 — `closest(".b06-chart__pavement")` 가 그 층(없으면 null). */
const hit = (dataset) => ({ closest: () => (dataset ? { dataset } : null) });
const layer = (type, start, end) => ({
  paveType: type,
  paveStart: String(start),
  paveEnd: String(end),
});

const out = {
  pave: pavementAt(hit(layer("pavement_concrete", 30, 250)), marks)?.structure_id ?? null,
  pave2: pavementAt(hit(layer("pavement_concrete", 100, 200)), marks)?.structure_id ?? null,
  plainLayer: pavementAt(hit({}), marks)?.structure_id ?? null, // 범위 표식 없는 카드 포장
  outside: pavementAt(hit(null), marks)?.structure_id ?? null,
  noTarget: pavementAt(null, marks)?.structure_id ?? null,
  unknown: pavementAt(hit(layer("pavement_concrete", 0, 10)), marks)?.structure_id ?? null,
};
process.stdout.write(JSON.stringify(out));