/* 180-3 B07 안내선 보이기 / 숨기기 단추 헬퍼 — `…_UI_GuideToggle.ts` 를 Node 로 돌려 JSON 한 벌로.
 * 공용 단추(`ui_template_elements`)는 진짜 · 화면 그릇만 흉내(helper_153 꼴).
 */
const fs = require("fs");
const path = require("path");
const ts = require(path.join(__dirname, "..", "..", "config", "node_modules", "typescript"));

const ROOT = path.join(__dirname, "..", "..");
const cache = new Map();

class FakeNode {
  constructor(tag) {
    this.tagName = tag.toUpperCase();
    this.children = [];
    this.dataset = {};
    this.attrs = {};
    this.listeners = {};
    this._text = "";
    this._classes = new Set();
    this.disabled = false;
    this.title = "";
    const self = this;
    this.classList = {
      add: (...names) => names.forEach((n) => self._classes.add(n)),
      contains: (name) => self._classes.has(name),
    };
  }
  set className(value) {
    this._classes = new Set(String(value).split(/\s+/).filter(Boolean));
  }
  get className() {
    return [...this._classes].join(" ");
  }
  set textContent(value) {
    this._text = String(value);
    this.children = [];
  }
  get textContent() {
    return this._text + this.children.map((c) => c.textContent).join("");
  }
  setAttribute(key, value) {
    this.attrs[key] = String(value);
  }
  append(...kids) {
    kids.forEach((k) => this.children.push(k));
  }
  addEventListener(type, handler) {
    (this.listeners[type] ||= []).push(handler);
  }
  click() {
    if (!this.disabled) (this.listeners.click || []).forEach((handler) => handler({}));
  }
}
globalThis.document = { createElement: (tag) => new FakeNode(tag) };

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 },
  }).outputText;
  const box = { exports: {} };
  cache.set(full, box.exports);
  const localRequire = (request) => {
    if (request === "@ui/ui_template_elements")
      return loadTs(path.join(ROOT, "ui_template", "ui_template_elements.ts"));
    if (request.startsWith(".")) {
      const target = path.join(path.dirname(full), `${request}.ts`);
      return fs.existsSync(target) ? loadTs(target) : {};
    }
    return {};
  };
  new Function("exports", "module", "require", js)(box.exports, box, localRequire);
  cache.set(full, box.exports);
  return box.exports;
}

const { buildGuideToggle, guideShown } = loadTs(
  path.join(ROOT, "B07_DesignDetail", "B07_DesignDetail_UI_GuideToggle.ts"),
);

const sent = [];
const button = buildGuideToggle((visible) => sent.push(visible));
const view = () => ({
  text: button.textContent,
  cls: button.className,
  pressed: button.attrs["aria-pressed"],
  shown: guideShown(),
});
const out = { first: view() };
button.click();
out.hidden = view();
button.click();
out.again = view();
button.click();
out.last = view();
// 화면을 다시 세워 새 단추를 만들어도 숨김 유지(모듈 값)
const rebuilt = buildGuideToggle((visible) => sent.push(visible));
out.rebuilt = { text: rebuilt.textContent, pressed: rebuilt.attrs["aria-pressed"] };
out.sent = sent;
process.stdout.write(JSON.stringify(out));