/* PLAN 349-0d sub7 헬퍼 — 노선을 놓으면 follow 가 다시 매긴 관 · 구조물이 가게(design_store)에 바로 씀 ·
 * 묶음 한 번 · 사진첩 한 걸음 안(놓은 뒤 setTimeout 0 전에 씀) · 되돌리기 · 초안 버림 = 초안 전 값 · 열기만 = 안 씀 ·
 * 새 노선에서 먼 구조물 수. 진짜 TS 를 트랜스파일해 Node 로 · 서버 창구만 가짜(`helper_349_pipeline_once` 와 같은 틀).
 * 입력 argv[2] JSON · argv[3] 격자 이진. 결과 = 표준출력 JSON. 짝 = `test_349_0d_follow_store.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
globalThis.fetch = (url, init) =>
  new Promise((resolve, reject) => {
    const timer = setTimeout(
      () => resolve({ ok: true, json: async () => ({ haul_plan: { blocks: [], url } }) }),
      20,
    );
    init.signal.addEventListener("abort", () => {
      clearTimeout(timer);
      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: job.curves,
    min_radius_m: job.minRadius,
    station_snap: job.stationSnap,
  }),
};
STUBS["B05_Profile_Api_Structures"] = {
  fetchStructures: async () => ({ structures: job.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 pageMod = load("A00_Common", "design", "design_pipeline_page.ts");
const storeMod = load("A00_Common", "design", "design_store.ts");
const alignment = load("B05_Profile", "logic", "B05_Profile_UI_Profile_Alignment.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 ?? [];
/** 묶음이 조용해질 때까지 — 마지막 기록이 끝나고 새 기록이 더 안 생김(고리면 계속 생김). */
async function quiet() {
  let seen = -1;
  for (let i = 0; i < 400; i += 1) {
    await tick(15);
    const last = runs()[runs().length - 1];
    const count = runs().length;
    if (count === seen && (!last || last.outcome !== "running")) return;
    seen = count;
  }
  throw new Error("묶음이 조용해지지 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: job.stationSnap,
});
const shift = (index, dx, dy) =>
  job.nodes.map((node, i) => (i === index ? [node[0] + dx, node[1] + dy] : node));
const chainagesOf = (stations) => (stations ?? []).map((s) => s.chainageM);

const P = "proj-3490d";
const ids = (list) => (list ?? []).map((item) => [item.id ?? item.structure_id, item.chainage_m]);

async function run() {
  window.localStorage.setItem("frd_current_project_id", P);
  const savedAlignment = job.detail.longitudinal.profile_alignment;
  const savedBase = alignment.toAlignmentBase(savedAlignment);
  const followed = [];
  const link = {
    pipelineSource: () => ({
      base: savedBase,
      edits: savedAlignment.edits,
      detail: job.detail,
      routeId: 7,
    }),
    adoptPipeline: (base, edits, draft) =>
      pageMod.pipelineGrade(P, draft ? edits : savedAlignment.edits),
    redraw: () => undefined,
    side: null,
  };
  const store = storeMod.useDesignStore(P, null);
  const bridge = pageMod.routeDraftBridge(P, link, {
    stationIntervalM: job.interval,
    onFacilitiesFollowed: (far) => followed.push(far),
  });
  pageMod.pipelineEarthwork(P, { conversion: job.conversion });
  await quiet();
  const pipe = pageMod.pagePipeline(P);
  const open = {
    storePipes: store.get("pipes"),
    storeStructures: store.get("structures"),
    followed: [...followed],
  };

  // 사진첩 흉내 — 놓기 전 세션 사진
  const snapshot = {};
  for (let i = 0; i < window.sessionStorage.length; i += 1) {
    const key = window.sessionStorage.key(i);
    snapshot[key] = window.sessionStorage.getItem(key);
  }
  // 꼭짓점 한 번 끌어 놓기 — 사진첩은 놓은 뒤 setTimeout 0 에 한 걸음 찍음
  let mark = runs().length;
  bridge.edited(draftOf(shift(1, 9, -6)));
  await tick(0);
  const atRecord = { pipes: ids(store.get("pipes")), structures: ids(store.get("structures")) };
  await quiet();
  const drag = {
    runs: runs()
      .slice(mark)
      .map((r) => r.sources),
    atRecord,
    pipes: ids(store.get("pipes")),
    structures: ids(store.get("structures")),
    inputPipes: ids(pipe.input("pipes")),
    followed: [...followed],
    blocked: pipe.blockedWrites,
  };

  // 되돌리기 — 사진첩이 세션을 되쓴 뒤 노선 편집기가 초안 없음으로 알림
  for (const key of Object.keys(snapshot)) window.sessionStorage.setItem(key, snapshot[key]);
  for (let i = window.sessionStorage.length - 1; i >= 0; i -= 1) {
    const key = window.sessionStorage.key(i);
    if (!(key in snapshot)) window.sessionStorage.removeItem(key);
  }
  mark = runs().length;
  bridge.edited(null);
  await quiet();
  const undo = {
    runs: runs()
      .slice(mark)
      .map((r) => r.sources),
    storePipes: store.get("pipes"),
    storeStructures: store.get("structures"),
    inputPipes: ids(pipe.input("pipes")),
    followed: [...followed],
  };

  // 다시 끌고 사진첩 없이 초안만 버림(편집기 [버림] 등) — 가게 = 초안 전 값
  bridge.edited(draftOf(shift(1, 9, -6)));
  await quiet();
  const second = ids(store.get("pipes"));
  bridge.edited(null);
  await quiet();
  const drop = {
    second,
    storePipes: store.get("pipes"),
    inputPipes: ids(pipe.input("pipes")),
    blocked: pipe.blockedWrites,
  };
  pageMod.disposePagePipeline(P);
  return { open, drag, undo, drop, saved: ids(job.pipes), savedStructures: ids(job.structures) };
}

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);
  });