/* 415 H2 헬퍼 — [저장] 도중 계산 묶음 먹이기 멈춤 · 끝나면 저장 목록 다시 읽음. 진짜 TS(`design_pipeline_page` ·
 * 단계 파일 전부)를 트랜스파일해 Node 로 돌림 · 서버 창구 · 저장 중 표시만 가짜(틀 = `helper_365_page_pipeline.cjs`).
 * 입력 argv[2] JSON · argv[3] 격자 이진 · 결과 = 표준출력 JSON. 짝 = `test_415_page_split.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");

const ROOT = path.join(__dirname, "..", "..");
const job = JSON.parse(fs.readFileSync(process.argv[2], "utf8"));

function memoryStorage() {
  const map = new Map();
  return {
    getItem: (key) => (map.has(key) ? map.get(key) : null),
    setItem: (key, value) => map.set(key, String(value)),
    removeItem: (key) => map.delete(key),
    key: (index) => [...map.keys()][index] ?? null,
    get length() {
      return map.size;
    },
  };
}
globalThis.window = {
  sessionStorage: memoryStorage(),
  localStorage: memoryStorage(),
  setTimeout,
  clearTimeout,
};

// 흙 배분 서버 — 늦게 답함 · 끊기면 버림
const haul = { calls: 0, aborted: 0, answered: 0 };
globalThis.fetch = (url, init) =>
  new Promise((resolve, reject) => {
    haul.calls += 1;
    const timer = setTimeout(() => {
      haul.answered += 1;
      resolve({ ok: true, json: async () => ({ haul_plan: { blocks: [], url } }) });
    }, job.haulDelayMs);
    init.signal.addEventListener("abort", () => {
      clearTimeout(timer);
      haul.aborted += 1;
      reject(new Error("aborted"));
    });
  });

const STUBS = {};
const cache = new Map();
function loadTs(full) {
  if (cache.has(full)) return cache.get(full);
  const js = ts.transpileModule(fs.readFileSync(full, "utf8"), {
    compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2020 },
  }).outputText;
  const box = { exports: {} };
  cache.set(full, box.exports);
  const localRequire = (request) => {
    if (CATALOG.isCatalogRequest(request)) return CATALOG;
    const key = Object.keys(STUBS).find((name) => request.endsWith(name));
    if (key) return STUBS[key];
    if (request.startsWith("@config/")) return { API_BASE_URL: "http://fake" };
    if (request.startsWith("@util/"))
      return loadTs(path.join(ROOT, "common_util", `${request.slice(6)}.ts`));
    if (request.startsWith(".")) return loadTs(path.join(path.dirname(full), `${request}.ts`));
    return require(request);
  };
  new Function("exports", "module", "require", js)(box.exports, box, localRequire);
  return box.exports;
}
const load = (...parts) => loadTs(path.join(ROOT, ...parts));

const sampler = load("common_util", "common_util_surface_sampler.ts");
const bytes = fs.readFileSync(process.argv[3]);
const grid = sampler.parseDtmGrid(
  bytes.buffer.slice(bytes.byteOffset, bytes.byteOffset + bytes.length),
);
const local = { grid, design: "las" };

STUBS["B05_Profile_Api_Replan"] = {
  analysisTerrain: () => "las",
  fetchRoutePlan: async () => ({
    planned: job.line,
    curves: [],
    min_radius_m: job.minRadius,
    station_snap: false,
  }),
};
STUBS["B05_Profile_Api_Structures"] = {
  fetchStructures: async () => ({ structures: [] }),
  fetchStructureTypes: async () => job.types,
};
STUBS["B05_Profile_Api_TerrainGrid"] = {
  loadDesignTerrainGrid: async () => local,
  groundStageDeps: () => ({ grid: () => local, remote: async () => [] }),
};
/** 서버 관 저장분 — [저장] 뒤 바뀜 · 읽은 횟수(저장 뒤 다시 읽음). */
let serverPipes = job.pipes;
let pipeReads = 0;
STUBS["B04_PreProcess_Api_Fetch"] = {
  fetchDetailPipePoints: async () => {
    pipeReads += 1;
    return { pipe_points: serverPipes.map((pipe) => ({ ...pipe, lonlat: [0, 0] })) };
  },
};
/** [저장] 도중 — 묶음이 늦게 불러오는 저장 창구 가짜(415 H2). */
let saving = false;
STUBS["design_save"] = { savingDesign: () => saving };
STUBS["B06_Section_UI_Standard_Panel"] = {
  effectiveStandardCross: () => job.standard,
  readRockBoundaryDefault: () => -0.5,
};

const pipeMod = load("A00_Common", "design", "logic", "design_pipeline.ts");
const pageMod = load("A00_Common", "design", "design_pipeline_page.ts");
const stationsMod = load("A00_Common", "design", "logic", "design_pipeline_stations.ts");
const routeGround = load("B05_Profile", "logic", "B05_Profile_Pipeline_RouteGround.ts");
const grade = load("B05_Profile", "logic", "B05_Profile_Pipeline_Grade.ts");
const gradeGround = load("B05_Profile", "logic", "B05_Profile_Grade_Ground.ts");
const detailMod = load("B05_Profile", "logic", "B05_Profile_Pipeline_Detail.ts");
const alignment = load("B05_Profile", "logic", "B05_Profile_UI_Profile_Alignment.ts");
const editMod = load("B05_Profile", "B05_Profile_UI_Profile_Edit.ts");
const page = load("A00_Common", "b_page_state.ts");

const tick = (ms = 0) => new Promise((resolve) => setTimeout(resolve, ms));
const runs = () => globalThis.__aisloPipeline?.runs ?? [];
async function settle(count) {
  for (let i = 0; i < 400; i += 1) {
    const last = runs()[runs().length - 1];
    if (runs().length >= count && last && last.outcome !== "running") return last;
    await tick(5);
  }
  throw new Error("묶음이 끝나지 않음");
}
const n = job.nodes.length;
const draftOf = (nodes) => ({
  nodes,
  curveOn: Array(n).fill(true),
  curveRadius: Array(n).fill(null),
  curveLock: Array(n).fill(null),
  curveArc: Array(n).fill(null),
  stationSnap: false,
});
const shift = (index, dx, dy) =>
  job.nodes.map((node, i) => (i === index ? [node[0] + dx, node[1] + dy] : node));

/** 저장 기준 — 저장 노선 지반 첫 계획선(관 측점 포함 · 서버 정책 그대로). */
async function savedBaseOf() {
  const seed = pipeMod.createDesignPipeline({
    stages: {
      route: routeGround.createRouteStage({
        minRadiusM: () => job.minRadius,
        savedLine: () => ({ line: job.line, curves: [] }),
      }),
      stations: stationsMod.createStationsStage({
        intervalM: job.interval,
        types: () => job.types,
      }),
      ground: routeGround.createGroundStage({ grid: () => local, remote: async () => [] }),
    },
  });
  await seed.start({ route: null, alignment: null, cross: null, pipes: job.pipes, structures: [] });
  const ground = seed.output("ground");
  seed.dispose();
  const samples = ground.longitudinal.chainageM.map((c, i) => ({
    chainage_m: c,
    elevation_m: ground.longitudinal.z[i],
  }));
  const profile = gradeGround.groundProfile(samples);
  return {
    policy: job.policy,
    onlyExplicitCurves: false,
    basePvi: gradeGround.groundFollowingBasePvi({
      samples,
      stations: ground.stations.map((s) => s.chainageM),
      policy: job.policy,
    }),
    chainage: profile.chainage,
    ground: profile.ground,
    stations: ground.stations.map((s) => ({
      station_id: grade.stationIdOf(s.chainageM),
      chainage_m: s.chainageM,
    })),
  };
}

const store = load("A00_Common", "design", "design_store.ts");

const pipeAt = () =>
  pageMod
    .pagePipeline(P)
    .input("pipes")
    .map((pipe) => pipe.chainage_m);
const stationAt = () =>
  (shop.get("stations") ?? []).filter((s) => s.kind === "pipe").map((s) => s.chainageM);
const P = "proj-415";
const shop = store.useDesignStore(P, null);

async function run() {
  window.localStorage.setItem("frd_current_project_id", P);
  const savedBase = await savedBaseOf();
  const link = {
    pipelineSource: () => ({
      base: savedBase,
      edits: alignment.emptyEdits(),
      detail: job.detail,
      routeId: 7,
    }),
    adoptPipeline: () => undefined,
    redraw: () => undefined,
  };
  pageMod.routeDraftBridge(P, link, { stationIntervalM: job.interval });
  pageMod.pipelineEarthwork(P, { conversion: job.conversion });
  await settle(runs().length + 1);
  const out = { open: pipeAt() };

  // ① 관 5 m 옮김(저장 전 초안) — 묶음이 새 자리로
  const moved = job.pipes.map((pipe) => ({ ...pipe, chainage_m: pipe.chainage_m + 5 }));
  shop.set("pipes", moved);
  await settle(runs().length + 1);
  out.moved = { input: pipeAt(), stations: stationAt() };

  // ② [저장] 도중 — 관 차례가 서버에 쓰고 초안을 비움 · 맞춤 고리도 불림
  saving = true;
  serverPipes = moved;
  const mark = runs().length;
  const reads = pipeReads;
  shop.set("pipes", null);
  const rounds = await pageMod.reconcilePagePipeline(P);
  await tick(150);
  out.during = {
    runs: runs().length - mark,
    rounds,
    input: pipeAt(),
    stations: stationAt(),
    reads: pipeReads - reads,
  };

  // ③ 저장 끝 — 저장 목록 다시 읽고 맞춤(같은 자리 = 다시 안 셈)
  saving = false;
  await tick(400);
  await pageMod.pagePipeline(P).settled();
  out.after = {
    runs: runs().length - mark,
    input: pipeAt(),
    stations: stationAt(),
    reads: pipeReads - reads,
    sources: runs()
      .slice(mark)
      .map((r) => r.sources),
  };
  // ④ 저장 뒤 맞춤 고리 — 저장분(새 자리) 대 묶음 입력 같음 = 0 바퀴
  out.reconcile = await pageMod.reconcilePagePipeline(P);

  // ⑤ 관 옮김 → 되돌리기(415-2) — 세션만 되쓰는 사진첩 · 묶음 입력 · 측점이 원래로 · 다시하기 = 옮긴 자리
  const history = load("B05_Profile", "B05_Profile_UI_Profile_History.ts");
  const book = history.createProfileHistory(() => undefined);
  const again = moved.map((pipe) => ({ ...pipe, chainage_m: pipe.chainage_m + 5 }));
  shop.set("pipes", again);
  await settle(runs().length + 1);
  book.record();
  const movedAgain = { input: pipeAt(), stations: stationAt() };
  book.undo();
  await tick(50);
  await pageMod.pagePipeline(P).settled();
  const undone = { input: pipeAt(), stations: stationAt(), draft: shop.get("pipes") };
  book.redo();
  await tick(50);
  await pageMod.pagePipeline(P).settled();
  out.undo = { movedAgain, undone, redone: { input: pipeAt(), stations: stationAt() } };
  pageMod.disposePagePipeline(P);
  return out;
}

run()
  .then((out) => process.stdout.write(JSON.stringify(out)))
  .catch((error) => {
    process.stderr.write(String(error?.stack ?? error));
    process.exit(1);
  });