/* M02 「전국」 자재 줄(361-2) 헬퍼 — `Labor_National.nationalRows` 를 트랜스파일해 Node 로 돌림 ·
 * `el` 대역 = 나무 꼴 {tag, className, text, attrs, children} · stdin = {origin} · stdout = 나무 JSON. */
const fs = require("fs");
const path = require("path");
const { makeLoader } = require("./helper_ts_stub_loader.cjs");

const ROOT = path.join(__dirname, "..", "..");
const el = (tag, o = {}) => ({ tag, ...o, children: o.children ?? [] });
const STUBS = {
  "@ui/ui_template_elements": { el, createSelectField: () => ({ root: el("select") }) },
  "@ui/ui_template_locale": { currentLanguageIndex: 0 },
  "@config/config_frontend": { API_BASE_URL: "/api" },
};
const { loadTs } = makeLoader({
  root: ROOT,
  requireFor: (full) => (request) => {
    if (STUBS[request]) return STUBS[request];
    if (request.startsWith(".") && !request.endsWith(".css"))
      return loadTs(`${path.resolve(path.dirname(full), request)}.ts`);
    return new Proxy({}, { get: () => () => ({}) });
  },
});

const input = JSON.parse(fs.readFileSync(0, "utf8"));
const national = loadTs(
  path.join(ROOT, "M02_MasterTemplete", "M02_MasterTemplete_Labor_National.ts"),
);
const text = (n) => (n.text ?? "") + (n.children ?? []).map(text).join(" ");
const find = (n, tag) => [
  ...(n.tag === tag ? [n] : []),
  ...(n.children ?? []).flatMap((c) => find(c, tag)),
];
const out = input.origins.map((origin) => {
  const got = national.nationalRows(origin);
  const table = got.flatMap((n) => find(n, "table"))[0];
  return {
    count: got.length,
    title: got[0]?.text ?? null,
    heads: table ? find(table, "th").map((h) => h.text) : [],
    rows: table
      ? find(table, "tr")
          .slice(1)
          .map((r) => r.children.map((c) => text(c).trim()))
      : [],
    buttons: got.flatMap((n) => [...find(n, "button"), ...find(n, "select")]).length,
  };
});
process.stdout.write(JSON.stringify(out));