/* PLAN 349-0f 헬퍼 — 노선 초안 두 번 끌기(길이 바뀜 + 가운데 꺾임점) 뒤 새 노선 횡단 낡음 · 「다시 계산 중」.
 * 진짜 TS(`design_pipeline_page` · 단계 파일 · `B05_Profile_UI_Profile_Preview`)를 트랜스파일해 Node 로 돌림.
 * 서버 창구만 가짜(틀 = `helper_346_2_pipeline_cross_page.cjs` 그대로). 입력 argv[2] JSON · argv[3] 격자 이진.
 * 결과 = 표준출력 JSON. 짝 = `test_349_0f_draft_stale.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 () => [] }),
};
STUBS["B04_PreProcess_Api_Fetch"] = {
  fetchDetailPipePoints: async () => ({
    pipe_points: job.pipes.map((pipe) => ({ ...pipe, lonlat: [0, 0] })),
  }),
};
STUBS["B06_Section_UI_Standard_Panel"] = {
  effectiveStandardCross: () => job.standard,
  readRockBoundaryDefault: () => -0.5,
};
STUBS["B06_Section_Cross_Refresh"] = {
  holdScreenAlignment: () => () => undefined,
  refreshCrossDesigns: async () => [],
};
STUBS["B06_Section_UI_Section_Common"] = {
  staleChainages: (key) => (key ? key.split("|").map((entry) => Number(entry.split(":")[0])) : []),
};

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 storeMod = load("A00_Common", "design", "design_store.ts");
const previewMod = load("B05_Profile", "B05_Profile_UI_Profile_Preview.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,
    })),
  };
}

/** 새 노선 상세의 낡은 측점 — 설계 계획고 ≠ 지금 계획선(`staleKey` 와 같은 잣대 1 mm). */
function staleOf(P, pipe) {
  const shown = pageMod.pipelineDetail(P);
  const profile = pipe.output("profile");
  if (!shown || !profile) return null;
  return shown.cross_sections
    .filter(
      (s) =>
        s.design &&
        Math.abs(s.design.design_elevation_m - alignment.planElevationAt(profile, s.chainage_m)) >
          1e-3,
    )
    .map((s) => s.chainage_m);
}

async function run() {
  const P = "proj-3490f";
  window.localStorage.setItem("frd_current_project_id", P);
  const savedBase = await savedBaseOf();
  const seedRuns = runs().length;
  const link = {
    pipelineSource: () => ({
      base: savedBase,
      edits: alignment.emptyEdits(),
      detail: job.detail,
      routeId: 7,
    }),
    adoptPipeline: () => undefined,
    redraw: () => undefined,
  };
  const bridge = pageMod.routeDraftBridge(P, link, { stationIntervalM: job.interval });
  pageMod.pipelineEarthwork(P, { conversion: job.conversion });
  const pipe = pageMod.pagePipeline(P);
  let applied = 0;
  const preview = previewMod.createCrossPreview({
    projectId: P,
    detail: () => null,
    routeId: () => 7,
    edits: () => alignment.emptyEdits(),
    alignment: () => null,
    debounceMs: () => 0,
    onApplied: () => (applied += 1),
  });
  await settle(seedRuns + 1);

  // ① 2번째 꺾임점을 서쪽으로 20 m — 노선 길이 바뀜(job.drags[0])
  const [a, b] = job.drags;
  const first = job.nodes.map((node, i) =>
    i === a.index ? [node[0] + a.dx, node[1] + a.dy] : node,
  );
  bridge.edited(draftOf(first));
  const pendingDuring = preview.scheduleIfStale("1:2", true);
  const runOne = await settle(runs().length + 1);
  await tick(job.haulDelayMs + 20);
  const one = {
    outcome: runOne.outcome,
    length: pipe.output("route").lengthM,
    stale: staleOf(P, pipe),
    pendingAfter: preview.scheduleIfStale("1:2", true),
  };

  // ② 가운데 꺾임점을 북동으로 10 m(job.drags[1])
  const second = first.map((node, i) => (i === b.index ? [node[0] + b.dx, node[1] + b.dy] : node));
  bridge.edited(draftOf(second));
  const runTwo = await settle(runs().length + 1);
  await tick(job.haulDelayMs + 20);
  const two = {
    outcome: runTwo.outcome,
    length: pipe.output("route").lengthM,
    stale: staleOf(P, pipe),
    reused: runTwo.stages.cross !== undefined,
    pendingAfter: preview.scheduleIfStale("1:2", true),
    pendingSaved: preview.scheduleIfStale("", true),
  };

  // ③ 그 차례 cross 가 끝내 안 와도(단계 실패) 3 s 뒤 풂 · 다시 그림
  const store = storeMod.useDesignStore(P, null);
  const before = applied;
  store.set("generation", pipe.generation + 100);
  const stuck = preview.scheduleIfStale("1:2", true);
  await tick(3100);
  const released = {
    stuck,
    after: preview.scheduleIfStale("1:2", true),
    redrew: applied - before,
  };
  preview.dispose();
  pageMod.disposePagePipeline(P);
  page.clearDrafts(P);
  return { pendingDuring, one, two, released, savedLength: savedBase.chainage.at(-1) };
}

run()
  .then((out) => {
    process.stdout.write(JSON.stringify(out));
    process.exit(0);
  })
  .catch((error) => {
    process.stderr.write(String(error && error.stack ? error.stack : error));
    process.exit(1);
  });