/* PLAN 323-9 ① — B06 [저장] 뒤 카드 = 서버 새 상세. 진짜 `design_save.ts`(저장 차례) ·
 * `B06_Section_UI_Page_Persist.ts`(횡단 뒤처리) · `B06_Section_Section_Store.ts`(상세 캐시)를 Node 로 돌림.
 * 서버 창구만 가짜 — 상세는 저장 전(옛 자리) · 저장 뒤(새 자리) 두 벌.
 */
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"); // 구조물 표(322-1)

const ROOT = path.join(__dirname, "..", "..");
const memory = () => {
  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: memory(), localStorage: memory() };
globalThis.sessionStorage = globalThis.window.sessionStorage;

const calls = [];
let server = "옛 자리 4+5";
const detail = () => ({ cross_sections: [], longitudinal: { stations: [] }, tag: server });
const B06 = path.join(ROOT, "B06_Section");
const STUBS = {
  "@ui/ui_template_elements": {
    showToast: (_text, kind) => calls.push(`toast:${kind}`),
    showLoadingOverlay: () => calls.push("overlay:on"),
    hideLoadingOverlay: () => calls.push("overlay:off"),
  },
  // 노선 저장(346-3) — 이 시험은 노선이 그대로인 [저장]만 봄
  [path.join(ROOT, "B05_Profile", "B05_Profile_UI_RouteEdit_Apply.ts")]: {
    pendingRouteSave: async () => null,
  },
  [path.join(B06, "B06_Section_Api_Fetch.ts")]: {
    fetchSectionDetail: async () => (calls.push(`fetch:${server}`), detail()),
    saveSections: async () => calls.push("cross:save"),
    confirmSections: async () => calls.push("cross:confirm"),
  },
};

const cache = new Map();
function loadTs(file) {
  const full = path.resolve(file);
  if (STUBS[full]) return STUBS[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 (STUBS[request]) return STUBS[request];
    if (CATALOG.isCatalogRequest(request)) return CATALOG;
    if (request.endsWith(".json")) return require(path.join(path.dirname(full), request));
    if (request.endsWith(".css")) return {};
    if (request.startsWith(".")) return loadTs(path.join(path.dirname(full), `${request}.ts`));
    if (request.startsWith("@")) return new Proxy({}, { get: () => () => undefined });
    return require(request);
  };
  new Function("exports", "module", "require", js)(box.exports, box, localRequire);
  cache.set(full, box.exports);
  return box.exports;
}

// 측점 열쇠 한 벌(344-3 · 346-2)은 진짜로 — 빈 대역은 열쇠 목록을 못 냄
STUBS["@util/common_util_station_key"] = loadTs(
  path.join(ROOT, "common_util", "common_util_station_key.ts"),
);
const { saveDesign, savingDesign } = loadTs(
  path.join(ROOT, "A00_Common", "design", "design_save.ts"),
);
const { crossSaveParts } = loadTs(path.join(B06, "B06_Section_UI_Page_Persist.ts"));
const { loadSectionDetail } = loadTs(path.join(B06, "B06_Section_Section_Store.ts"));

(async () => {
  const P = "p1";
  const R = 7;
  // 횡단 보기 = 바뀜 신호마다 `refreshDetailForStructures` 와 같은 차례(최신만 · 저장 도중 안 그림)
  let shown = null;
  let seq = 0;
  const refresh = async () => {
    const mine = ++seq;
    if (savingDesign(P)) return calls.push("refresh:skip");
    const got = await loadSectionDetail(P, R);
    if (mine === seq) shown = got.tag;
  };
  await refresh(); // 저장 전 화면(캐시 = 옛 서버)
  const before = shown;
  const ctx = {
    projectId: P,
    routeId: () => R,
    detail: () => null,
    context: () => null,
    standardValues: () => undefined,
    flushCulvertOptions: async () => undefined,
    patchSources: () =>
      Object.fromEntries(
        ["rockOffsets", "cutSlopeRatios", "stationWidths", "inletStructures", "basinAdjustments"]
          .concat(["revetAdjusts", "extraCounts", "extraSpans", "fordAdjusts", "boxAdjusts"])
          .concat(["linkFlags"])
          .map((key) => [key, new Map()]),
      ),
    reconcileDesigns: async () => undefined,
    redraw: refresh,
  };
  const parts = crossSaveParts(ctx);
  calls.length = 0;
  const savingSeen = [];
  const ok = await saveDesign({
    projectId: P,
    routeId: () => R,
    steps: {
      // 관 · 구조물 초안이 정본으로 나가며 가게가 바뀜 → 바뀜 신호(저장 도중)
      structures: async () => {
        server = "새 자리 4+8 · 47+0";
        savingSeen.push(savingDesign(P));
        await refresh();
      },
      ...parts.steps,
    },
    cross: (confirm) => parts.cross(confirm),
    done: async () => {
      savingSeen.push(savingDesign(P));
      await parts.done(false);
    },
    failed: (error) => calls.push(`failed:${error}`),
  });
  process.stdout.write(
    JSON.stringify({ ok, before, after: shown, savingSeen, calls, savingIdle: savingDesign(P) }),
  );
})();