/* 178-3 사면안정 흙막이 · 옹벽 「추가 단」 헬퍼 — 화면 TS 를 그 자리에서 트랜스파일해 Node 로 돌림.
 * ① 명세 상자 저장 왕복(readState → writeOptions) ② 구조물 정본 → 벽 제원(`wallSpecsFrom`) → 횡단 형상
 * (`computeRevetmentLayout`) 단 수 · 단마다 형태 · 높이. 입력 측점 = 73-4 픽스처(helper_79 와 같은 180 측점).
 * 결과 = 표준출력 JSON 한 벌 · 짝 = `test_178_3_slope_tiers.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"); // 구조물 표(322-1)

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

const { loadTs } = makeLoader({
  root: ROOT,
  interop: true,
  requireFor: (full) => (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)));
  },
});
const resolve = (base) =>
  [base, `${base}.ts`, path.join(base, "index.ts")].find(
    (p) => fs.existsSync(p) && fs.statSync(p).isFile(),
  ) ?? `${base}.ts`;

const design = (f) => path.join(ROOT, "A00_Common", "design", f);
const spec = loadTs(design("logic/design_structure_spec.ts"));
const { ADDON_SPECS } = loadTs(design("logic/design_structure_slope_tier.ts"));
const { STRUCTURE_SPECS } = loadTs(design("logic/design_structure_pipe.ts"));
const { wallSpecsFrom } = loadTs(path.join(ROOT, "common_util", "common_util_structure_walls.ts"));
const { computeRevetmentLayout } = loadTs(
  path.join(ROOT, "B06_Section", "logic", "B06_Section_Cross_Revetment_Geom.ts"),
);

const r3 = (v) => Math.round(v * 1000) / 1000;
const out = {};

// ① 저장 왕복 — 상자 둘(흙막이) · 하나(옹벽) · 빈 상자(값 없이 추가만)
const soil = ADDON_SPECS.soil_guard;
const wall = ADDON_SPECS.retaining_wall;
const soilOptions = {
  form: "돌쌓기(찰)",
  height_m: 2,
  tier_1_form: "콘크리트",
  tier_1_height: 2,
  tier_2_form: "돌망태",
  tier_2_height: 1.2,
};
const soilState = spec.readState(soil, soilOptions);
out.roundTrip = {
  items: Object.fromEntries(
    Object.entries(ADDON_SPECS).map(([k, s]) => [k, s.containers[0].items.map((i) => i.id)]),
  ),
  soilState: soilState.tier,
  soilBack: spec.writeOptions(soil, soilState),
  wallBack: spec.writeOptions(wall, { tier: [{ height: "1.8" }] }),
  emptyBox: spec.writeOptions(soil, { tier: [{}] }),
  notMainSpecs: Object.keys(ADDON_SPECS).filter((k) => k in STRUCTURE_SPECS),
};

// ② 형상 — 정본 → 벽 제원 → 횡단 단
const fixture = JSON.parse(
  fs.readFileSync(path.join(__dirname, "fixtures", "b06_73_4_body_guard_sections.json"), "utf8"),
);
const base = fixture.cross_sections.find((s) => Math.abs(s.chainage_m - 180) < 0.6);
const names = new Map([
  ["soil_guard", "흙막이"],
  ["retaining_wall", "옹벽"],
]);
function shape(typeId, options) {
  const [wallSpec] = wallSpecsFrom(
    [{ structure_id: "t", type_id: typeId, chainage_m: 180, start_m: 170, end_m: 190, options }],
    names,
  );
  const section = JSON.parse(JSON.stringify(base));
  section.revetment = { ...wallSpec, side: "우" };
  const layout = computeRevetmentLayout(section, null);
  return {
    tiers: wallSpec.tiers,
    extras: wallSpec.extras,
    requested: layout?.requestedTiers ?? null,
    walls: (layout?.walls ?? []).map((w) => ({ form: w.form, pure: r3(w.height + 0.5) })),
  };
}
out.soil2 = shape("soil_guard", soilOptions);
out.wall1 = shape("retaining_wall", { height_m: 2.5, tier_1_height: 1.8 });
out.emptyBox = shape("soil_guard", { form: "돌망태", height_m: 2, tier_1_form: "" });
out.legacy = shape("soil_guard", { form: "돌망태", height_m: 2, tiers: 2 });
out.none = shape("retaining_wall", { height_m: 2.5 });
process.stdout.write(JSON.stringify(out));