/* 387-4b 헬퍼 — 관 옵션 → 횡단 조정값: 상세 가게 얹기(`layPipeOptions` · B05 만 연 페이지) = B06 폼 되보내기
 * (`applyPipeOptionsToCache` · 조정창 흉내 = 캐시에 같은 칸으로 씀)인지 · 옵션을 바꿔도 같은지 · 면적으로 견줌.
 * 짝 = `test_387_4b_pipe_options.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"); // 구조물 표(322-1)

const ROOT = path.join(__dirname, "..", "..");
const cache = new Map();
const STUBS = { "@ui/ui_template_toast": { showToast: () => undefined } };

function loadTs(file) {
  const full = path.resolve(file);
  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,
      esModuleInterop: true,
    },
  }).outputText;
  const box = { exports: {} };
  cache.set(full, box.exports);
  const localRequire = (request) => {
    if (CATALOG.isCatalogRequest(request)) return CATALOG;
    if (STUBS[request]) return STUBS[request];
    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)));
  };
  new Function("exports", "module", "require", js)(box.exports, box, localRequire);
  cache.set(full, box.exports);
  return box.exports;
}
const resolve = (base) =>
  [base, `${base}.ts`, path.join(base, "index.ts")].find(
    (p) => fs.existsSync(p) && fs.statSync(p).isFile(),
  ) ?? `${base}.ts`;

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() };

const B06 = (f) => path.join(ROOT, "B06_Section", `${f}.ts`);
const { structureAreaRows, computeStoredLayouts } = loadTs(B06("B06_Section_Structure_Layouts"));
const { layPipeOptions } = loadTs(B06("B06_Section_Section_Adjusts"));
const { applyPipeOptionsToCache } = loadTs(B06("B06_Section_UI_Page_Pipe_Options"));
const { ZERO_ADJUST } = loadTs(B06("B06_Section_UI_Cross_Culvert_Types"));

const fresh = () =>
  JSON.parse(fs.readFileSync(path.join(__dirname, "fixtures", "b06_186_1_pipe_292.json"), "utf8"))
    .cross_sections;
const areaOf = (sections) => {
  const s = sections.find((x) => x.culvert);
  const row = structureAreaRows(sections).find((r) => r.chainage_m === s.chainage_m);
  return [row?.cut_area_m2 ?? null, row?.fill_area_m2 ?? null, s.design.revet_adjust ?? null];
};

/** B06 길 — 조정창 흉내(세션 없음 · 캐시 칸에 같은 꼴로 씀 · `storeAdjust` 규칙). */
function b06(sections, options, extra = 0) {
  const owner = sections.find((x) => x.culvert);
  owner.design.extra_wall_counts = { outlet: extra, basin: 0 };
  const adjustFor = (section, role) => ({
    ...ZERO_ADJUST,
    ...(section.design.revet_adjust?.[role] ?? {}),
  });
  const round1 = (v) => Math.round(v * 10) / 10;
  const ctx = {
    detail: () => ({ cross_sections: sections }),
    ford: {},
    box: {},
    revetOffset: {
      adjustFor,
      update: (at, role, patch) => {
        const section = sections.find((x) => Math.abs(x.chainage_m - at) < 0.01);
        const cur = adjustFor(section, role);
        const next = {
          ...cur,
          h: patch.h === undefined ? cur.h : patch.h === null ? null : round1(patch.h),
          m: patch.m === undefined ? cur.m : patch.m,
        };
        const bucket = { ...(section.design.revet_adjust ?? {}) };
        const dflt = Math.abs(next.x) < 1e-9 && next.d == null && next.h == null && next.m == null;
        if (dflt) delete bucket[role];
        else bucket[role] = next;
        section.design.revet_adjust = bucket;
      },
    },
    soilTiers: () => {
      const probe = { ...owner, design: { ...owner.design } };
      return extra
        ? (computeStoredLayouts(probe, sections)?.culvert?.extraWalls.length ?? extra)
        : 0;
    },
    overrideOptions: () => undefined,
    refreshCard: () => undefined,
  };
  applyPipeOptionsToCache(ctx, owner.chainage_m, options, true);
  return areaOf(sections);
}

/** 상세 가게 길(B05 만 연 페이지) — 관 초안 · 저장 관의 폼 칸 그대로. */
function store(sections, options, extra = 0) {
  const owner = sections.find((x) => x.culvert);
  owner.design.extra_wall_counts = { outlet: extra, basin: 0 };
  layPipeOptions({ cross_sections: sections }, [{ chainage_m: owner.chainage_m, options }]);
  return areaOf(sections);
}

const at = fresh().find((x) => x.culvert).chainage_m;
const first = {
  inlet_revet_height_m: 1.5,
  inlet_revet_form: "돌쌓기(찰)",
  outlet_revet_height_m: 1.5,
  outlet_revet_form: "돌쌓기(찰)",
};
const changed = { ...first, outlet_revet_height_m: 2.4, outlet_revet_form: "옹벽" };
const out = { at, none: areaOf(fresh()) };
for (const [name, options] of Object.entries({ first, changed })) {
  out[name] = { b06: b06(fresh(), options), store: store(fresh(), options) };
}
// 흙막이 단(soil_add) — 유출 다단 두 단 · 높이 · 형태
const tiers = {
  ...first,
  soil_add_1_height: 1.2,
  soil_add_1_form: "돌쌓기(찰)",
  soil_add_2_height: 0.05,
};
out.tiers = { b06: b06(fresh(), tiers, 2), store: store(fresh(), tiers, 2) };
process.stdout.write(JSON.stringify(out));