/* 476-1 추천 [적용] 초안 — 화면 `flattenServerPlan`(logic/B05_Profile_UI_RouteEdit_Edits.ts) +
 * `routeDraftOf` 칸 꼴(곡선 켬 = !== false · R ?? null)을 Node 로 돌려 JSON 한 줄
 * (`test_476_1_recommend_initial.py` 가 파이썬 `draft_nodes` 와 견줌).
 *   node helper_476_1_flatten.cjs <후보 {nodes, curves} JSON 파일>
 */
const fs = require("fs");
const path = require("path");
const { makeLoader } = require("./helper_ts_stub_loader.cjs");

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

const { loadTs } = makeLoader({
  root: ROOT,
  requireFor: (full) => (request) =>
    request.startsWith(".")
      ? loadTs(path.join(path.dirname(full), `${request}.ts`))
      : require(request),
});

const edits = loadTs(path.join(ROOT, "B05_Profile", "logic", "B05_Profile_UI_RouteEdit_Edits.ts"));
const body = JSON.parse(fs.readFileSync(process.argv[2], "utf8"));
const flat = edits.flattenServerPlan(body.nodes, body.curves);
process.stdout.write(
  JSON.stringify({
    nodes: flat.planned.map(([x, y]) => [x, y]),
    curveOn: flat.planned.map((_, i) => flat.curveOn[i] !== false),
    curveRadius: flat.planned.map((_, i) => flat.curveRadius[i] ?? null),
  }),
);