/* PLAN 344-3 · 346-1 측점 한 벌 거울 헬퍼 — 진짜 `B05_Profile/logic/B05_Profile_Sections_Stations.ts` ·
 * `A00_Common/design/logic/design_pipeline_stations.ts`(단계 · 범위 밖 재사용)를 그 자리에서 트랜스파일해 Node 로 돌림.
 * 입력 argv[2] JSON(파이썬과 같은 노선 · 곡선표 · 관 · 구조물) · 표준출력 JSON 한 벌.
 * 짝 = `test_344_3_pipeline_stations_mirror.py`. */
const fs = require("fs");
const path = require("path");
const { makeLoader } = require("./helper_ts_stub_loader.cjs");
const CATALOG = require("./helper_322_catalog_module.cjs"); // 구조물 표(322-1)

const ROOT = path.join(__dirname, "..", "..");
const { loadTs } = makeLoader({
  root: ROOT,
});

const logic = loadTs(path.join(ROOT, "B05_Profile", "logic", "B05_Profile_Sections_Stations.ts"));
const stage = loadTs(
  path.join(ROOT, "A00_Common", "design", "logic", "design_pipeline_stations.ts"),
);
const station = loadTs(path.join(ROOT, "common_util", "common_util_structure_station.ts"));
const job = JSON.parse(fs.readFileSync(process.argv[2], "utf8"));

const out = {
  constants: {
    interval: logic.SECTION_STATION_INTERVAL_M,
    endpoint: logic.SECTION_INCLUDE_ENDPOINT,
    taper: logic.CURVE_WIDENING_TAPER_M,
    table: logic.CURVE_WIDENING_TABLE_M,
    arm: logic.PLAN_RADIUS_ARM_M,
    straight: logic.PLAN_RADIUS_STRAIGHT_M,
  },
  cases: job.cases.map((c) => {
    station.setPlusStations(() => c.plus ?? []); // 368-2 추가 측점 — 화면이 둔 읽는 곳
    return logic.buildStations(c.line, c.curves, job.pipes, job.structures, {
      types: job.types,
      stationSnap: c.snap,
      stationSnapStep: c.step ?? null, // 390-5 · 252-2 곡선 측점 값 자릿수
    });
  }),
  text: [0, 12.345, 40, 699.996].map(logic.stationText),
};

station.setPlusStations(null);
// 노선 한 점 옮김 — 단계가 범위 밖 측점을 앞 객체 그대로 · 열쇠 그대로
const run = (line, curves, prev, range) =>
  stage.createStationsStage({ types: () => job.types })({
    generation: 1,
    range,
    signal: new AbortController().signal,
    inputs: { route: { stationSnap: false }, pipes: job.pipes, structures: job.structures },
    out: { route: line ? { line, curves, chainage: [], lengthM: 0 } : null },
    before: {},
    prev,
  });
const before = run(job.move.line, job.move.curves, null, null);
const after = run(job.move.movedLine, job.move.movedCurves, before, {
  sources: ["route"],
  fromM: job.move.fromM,
  toM: Infinity,
  keys: [],
});
const byKey = new Map(before.map((s) => [s.key, s]));
out.move = {
  before: before.map((s) => [s.key, s.chainageM]),
  after: after.map((s) => [s.key, s.chainageM]),
  same: after.map((s) => byKey.get(s.key) === s),
  empty: run(null, null, null, null),
};
// 441 — 초안 없는 저장 노선 = 저장 스냅 설정 따름 · 초안이 있으면 초안 값(스냅 case = cases[1])
const snapCase = job.cases[1];
const savedRun = (route, saved) =>
  stage
    .createStationsStage({ types: () => job.types, saved: () => saved })({
      generation: 1,
      range: null,
      signal: new AbortController().signal,
      inputs: { route, pipes: job.pipes, structures: job.structures },
      out: { route: { line: snapCase.line, curves: snapCase.curves, chainage: [], lengthM: 0 } },
      before: {},
      prev: null,
    })
    .map((s) => s.chainageM);
out.savedSnap = {
  saved: savedRun(null, { station_snap: true, station_snap_step: null }),
  savedOff: savedRun(null, { station_snap: false }),
  noPlan: savedRun(null, null),
  draftWins: savedRun({ stationSnap: false }, { station_snap: true }),
};
process.stdout.write(JSON.stringify(out));