/* 473 시설 줄 입력 차례(요구 272 · 새로고침 누가토량 흔들림) — 진짜 `design_facility_lane` · `design_profile_base` 를
 * Node 로 돌려 JSON 한 줄(`test_473_lane_ready.py` 가 판정). 종단도는 가짜(받은 것 기록).
 *   node helper_473_lane_ready.cjs
 */
const fs = require("fs");
const path = require("path");
const ROOT = path.join(__dirname, "..", "..");
const { makeLoader } = require("./helper_ts_stub_loader.cjs");
const CATALOG = require(path.join(__dirname, "helper_322_catalog_module.cjs"));

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

const anyModule = (extra = {}) =>
  new Proxy(extra, { get: (t, key) => (key in t ? t[key] : () => undefined) });
const STUBS = {
  "config_frontend.ts": anyModule({
    CURRENT_PROJECT_ID_KEY: "frd_current_project_id",
    API_BASE_URL: "",
    API_TIMEOUT_MS: 1000,
    PIPE_TYPES: [],
  }),
  "ui_template_elements.ts": anyModule(),
  "B04_PreProcess_Api_Fetch.ts": anyModule(),
  // 소단 사본(467) — 끌어오는 줄이 import.meta 를 써 이 로더로 못 읽음 · 소단 몫은 test_272_berm_source(vite 묶음)
  "B06_Section_UI_Page_Persist.ts": anyModule({ bermSpansFromStructures: () => [] }),
};

const resolve = (base) =>
  [base, `${base}.ts`, path.join(base, "index.ts")].find(
    (p) => fs.existsSync(p) && fs.statSync(p).isFile(),
  ) ?? `${base}.ts`;
const { loadTs } = makeLoader({
  root: ROOT,
  interop: true,
  fileStub: (full) => STUBS[path.basename(full)],
  requireFor: (full) => (request) => {
    if (CATALOG.isCatalogRequest(request)) return CATALOG;
    if (request.endsWith(".json"))
      return JSON.parse(fs.readFileSync(path.join(path.dirname(full), request), "utf8"));
    const alias = { "@util/": "common_util", "@ui/": "ui_template", "@config/": "config" };
    for (const [prefix, dir] of Object.entries(alias))
      if (request.startsWith(prefix))
        return loadTs(resolve(path.join(ROOT, dir, request.slice(prefix.length))));
    return loadTs(resolve(path.join(path.dirname(full), request)));
  },
});

const design = path.join(ROOT, "A00_Common", "design");
const { createFacilityLane } = loadTs(path.join(design, "design_facility_lane.ts"));
const ids = loadTs(path.join(design, "design_pipe_ids.ts"));
const { listedBase } = loadTs(path.join(design, "design_profile_base.ts"));
const TYPES = JSON.parse(
  fs.readFileSync(path.join(ROOT, "resources", "master_template", "구조물정의.json"), "utf8"),
).types;

/** 가짜 종단도 — 측점을 받은 차례 기록. */
function fakeProfile() {
  const writes = [];
  return {
    writes,
    setStructureTypes: () => undefined,
    setStructures: () => undefined,
    setIrregularStations: (stations) => writes.push(stations.map((s) => s.chainage_m)),
    setMinCoverPipes: () => undefined,
    resetStationEdit: () => undefined,
  };
}

const PIPE = { id: "P389", chainage_m: 389, facility: "pipe" };
/** 새로고침 차례 — 종류 표 · 구조물이 먼저, 관 알림(배수유역 받기)이 늦게. */
function lateOrder(P) {
  ids.usePipeIds(P);
  const profile = fakeProfile();
  const lane = createFacilityLane(P, () => profile);
  lane.setTypes(TYPES);
  lane.setStored([]);
  lane.set({ structures: [] }, false);
  const beforePipes = {
    writes: profile.writes.length,
    ready: typeof lane.ready === "function" ? lane.ready() : null,
  };
  lane.set({ pipes: [PIPE] }, false);
  return {
    beforePipes,
    after: profile.writes,
    ready: typeof lane.ready === "function" ? lane.ready() : null,
  };
}
/** 빠른 차례 — 관 알림이 구조물보다 먼저. */
function earlyOrder(P) {
  ids.usePipeIds(P);
  const profile = fakeProfile();
  const lane = createFacilityLane(P, () => profile);
  lane.setTypes(TYPES);
  lane.set({ pipes: [PIPE] }, false);
  const beforeStructures = profile.writes.length;
  lane.set({ structures: [] }, false);
  return { beforeStructures, after: profile.writes };
}

const stored = { stations: [{ station_id: "s", chainage_m: 389 }], basePvi: [] };
const out = {
  late: lateOrder("P473-late"),
  early: earlyOrder("P473-early"),
  // 심기 전(null) = 저장 기준 그대로 · 같은 객체
  listedNull: (() => {
    try {
      return listedBase(stored, { longitudinal: { stations: [] } }, null) === stored;
    } catch {
      return false; // 옛 코드 = null 을 못 받음
    }
  })(),
};
process.stdout.write(JSON.stringify(out));