/* 451 헬퍼 — B06 에서 노선 초안 버림 바로 뒤 cross 입력(횡단 보기)이 와도 되돌림까지(B05 와 같게). 진짜 TS
 * (`design_pipeline_page` · 단계 파일 전부)를 Node 로 · 서버 창구만 가짜(틀 = `helper_365_page_pipeline.cjs`).
 * 입력 argv[2] JSON · argv[3] 격자 이진 · 결과 = 표준출력 JSON. 짝 = `test_451_drop_cross.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");

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 { load, loadTs } = makeLoader({
  root: ROOT,
  requireFor: (full) => (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);
  },
});
// 상세 가게 칸(472-5) — 실제는 상세 가게가 받을 때 채움 · 여기선 종단도가 내주는 저장 상세 그대로
const slots = () => load("B06_Section", "B06_Section_Section_Canon.ts");

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,
};

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");
// B05 오른쪽 횡단 판(365-3) — 그림 조각만 가짜 · 값 고르기는 진짜
STUBS["b_svg_zoom_pan"] = { attachSvgZoomPan: () => undefined };
STUBS["B05_Profile_UI_RouteEdit_Cross_Draw"] = { CROSS_PLOT_PAD: {}, summarizeCross: () => "" };
STUBS["B05_Profile_UI_RouteEdit_Chrome"] = { sidePanelsOf: new WeakMap() }; // 판 양식(382-1) — 화면 밖
// B06 카드 그림(393-2) — 화면 밖 · 판 값 고르기는 진짜
STUBS["B05_Profile_UI_RouteEdit_Cross_Card"] = {
  routeCrossSource: () => null,
  routeCrossCard: () => null,
};
const pane = load("B05_Profile", "B05_Profile_UI_RouteEdit_Cross.ts");
const r3 = (value) => (typeof value === "number" ? Math.round(value * 1000) / 1000 : null);

/** 묶음 새 노선 상세(카드가 그리는 것) — 측점 · 계획고 · 절 · 성토 면적. */
function shownRows(P) {
  const shown = pageMod.pipelineDetail(P);
  return (
    shown &&
    shown.cross_sections.map((s) => [
      r3(s.chainage_m),
      r3(s.design?.design_elevation_m),
      r3(s.design?.cut_area_m2),
      r3(s.design?.fill_area_m2),
    ])
  );
}

async function run() {
  const P = "proj-451";
  window.localStorage.setItem("frd_current_project_id", P);
  const savedBase = await savedBaseOf();
  const shop = store.useDesignStore(P, null);
  const restores = [];
  const adopts = [];
  const bridge = pageMod.routeDraftBridge(
    P,
    {
      pipelineSource: () => ({
        base: savedBase,
        edits: alignment.emptyEdits(),
        detail: (slots().keepSavedDetail(P, 7, job.detail), job.detail),
        routeId: 7,
      }),
      adoptPipeline: (_base, _edits, draft) => adopts.push(draft ? "draft" : "saved"),
      redraw: () => undefined,
    },
    {
      stationIntervalM: job.interval,
      holdDraft: (routeId, saved) => (
        slots().keepHeldDetail(P, routeId, saved), // 초안 전 상세 칸(472-5 · 가게 hold 와 같음)
        async (stations) => {
          restores.push({ at: adopts.length, stations: stations.length });
          return "saved";
        }
      ),
    },
  );
  pageMod.pipelineEarthwork(P, { conversion: job.conversion });
  await settle(runs().length + 1);
  const savedStations = (shop.get("stations") ?? []).map((s) => s.chainageM);
  bridge.edited(draftOf(shift(1, 8, -6)));
  await settle(runs().length + 1);
  await tick(20);
  const draftStations = (shop.get("stations") ?? []).map((s) => s.chainageM);

  // 버림 바로 뒤 cross 입력 — 횡단 보기가 세션 고침을 묶음에 넘김(B06)
  const mark = runs().length;
  adopts.length = 0;
  bridge.edited(null);
  await tick(2); // 버림 차례가 돌기 시작한 뒤
  const wider = { ...job.standard, road_width_m: (job.standard.road_width_m ?? 3) + 0.5 };
  STUBS["B06_Section_UI_Standard_Panel"].effectiveStandardCross = () => wider; // 표준 고침 = 새 cross 입력
  pageMod.pipelineCross(P);
  for (let i = 0; i < 400 && !restores.length; i += 1) await tick(5);
  await pageMod.pagePipeline(P).settled();
  await tick(30);
  const after = runs().slice(mark);
  const out = {
    moved: JSON.stringify(savedStations) !== JSON.stringify(draftStations),
    runs: after.map((r) => [r.sources.join("+"), r.outcome, r.restoreWhy ?? ""]),
    restores: [...restores],
    adopts: [...adopts],
    stationsPublished:
      JSON.stringify((shop.get("stations") ?? []).map((s) => s.chainageM)) !==
      JSON.stringify(draftStations),
    routeDraft: shop.get("routeDraft"),
  };
  // 버림이 안 밀린 길(B05) — 그대로 한 번
  bridge.edited(draftOf(shift(1, 8, -6)));
  await settle(runs().length + 1);
  const mark2 = runs().length;
  restores.length = 0;
  bridge.edited(null);
  for (let i = 0; i < 400 && !restores.length; i += 1) await tick(5);
  await pageMod.pagePipeline(P).settled();
  out.plain = {
    runs: runs()
      .slice(mark2)
      .map((r) => [r.sources.join("+"), r.outcome, r.restoreWhy ?? ""]),
    restores: restores.length,
  };
  // 버림 뒤 새 초안이 밀어냄 — 되돌림 없음(초안이 이김)
  const mark3 = runs().length;
  restores.length = 0;
  bridge.edited(null);
  bridge.edited(draftOf(shift(1, 8, -6)));
  await settle(runs().length + 1);
  await pageMod.pagePipeline(P).settled();
  await tick(30);
  out.redraft = {
    runs: runs()
      .slice(mark3)
      .map((r) => [r.sources.join("+"), r.outcome, r.restoreWhy ?? ""]),
    restores: restores.length,
    draft: shop.get("routeDraft") !== null,
  };
  pageMod.disposePagePipeline(P);
  return out;
}

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);
  });