/* 623 헬퍼 — 서버가 새로 만든 관 옵션(`_apply_new_defaults`)을 공용 명세 폼 `write → read` 에 돌리고
 * 같은 종류 병합(`mergeFacilityOptions`)까지 — 폼을 처음 거칠 때 파일이 바뀌는 칸(지워짐 · 더함 · 바뀜).
 * 입력 = 표준입력 JSON(옵션 목록) · 출력 = 표준출력 JSON 목록 · 짝 = test_623_inlet_defaults.py.
 * 가짜 DOM 틀 = helper_173_7_inlet_animal.cjs. */
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, "..", "..");

class FakeNode {
  constructor(tag) {
    this.tagName = tag.toUpperCase();
    this.children = [];
    this.dataset = {};
    this.style = {};
    this._classes = new Set();
    this._on = {};
    this._text = "";
    this.value = "";
    const self = this;
    this.classList = {
      add: (...n) => n.forEach((c) => self._classes.add(c)),
      remove: (...n) => n.forEach((c) => self._classes.delete(c)),
      toggle: (c, f) =>
        (f ?? !self._classes.has(c)) ? self._classes.add(c) : self._classes.delete(c),
      contains: (c) => self._classes.has(c),
    };
  }
  set className(v) {
    this._classes = new Set(String(v).split(/\s+/).filter(Boolean));
  }
  set textContent(v) {
    this._text = String(v);
    this.children = [];
  }
  get textContent() {
    return this._text + this.children.map((c) => c.textContent ?? "").join("");
  }
  append(...kids) {
    kids.forEach((k) => this.children.push(typeof k === "string" ? { textContent: k } : k));
  }
  replaceChildren(...kids) {
    this.children = [];
    this.append(...kids);
  }
  add(kid) {
    this.children.push(kid);
  }
  setAttribute(n, v) {
    this[n] = v;
  }
  addEventListener(type, fn) {
    (this._on[type] ??= []).push(fn);
  }
  fire(type) {
    (this._on[type] ?? []).forEach((fn) => fn({ target: this }));
  }
  closest() {
    return null;
  }
  matches(sel) {
    return sel.split(",").some((s) => {
      s = s.trim();
      return s.startsWith(".") ? this._classes.has(s.slice(1)) : this.tagName === s.toUpperCase();
    });
  }
  querySelectorAll(sel) {
    const found = [];
    const walk = (n) =>
      (n.children ?? []).forEach((k) => {
        if (k.matches?.(sel)) found.push(k);
        walk(k);
      });
    walk(this);
    return found;
  }
  querySelector(sel) {
    return this.querySelectorAll(sel)[0] ?? null;
  }
}
globalThis.document = { createElement: (t) => new FakeNode(t) };
globalThis.queueMicrotask = (fn) => fn();
globalThis.Option = function (text, value) {
  const o = new FakeNode("option");
  o.textContent = text;
  o.value = value;
  return o;
};

const STUBS = {
  "@ui/ui_template_elements": { showToast: () => {} },
  "@config/config_frontend": { FORD_MANNING_N: 0.03, FORD_SLOPE: 0.02 },
  "./ui_template_checkbox.css": {},
  "../../B05_Profile/B05_Profile_UI_Structures_Summary_Row": { buildSummaryRow: () => null },
};

const { loadTs } = makeLoader({
  root: ROOT,
  requireFor: (full) => (request) => {
    if (CATALOG.isCatalogRequest(request)) return CATALOG;
    if (STUBS[request]) return STUBS[request];
    if (request.startsWith("@util/"))
      return loadTs(path.join(ROOT, "common_util", `${request.slice(6)}.ts`));
    return loadTs(path.join(path.dirname(full), `${request}.ts`));
  },
});

const { createSpecForm } = loadTs(
  path.join(ROOT, "A00_Common", "design", "design_structure_form.ts"),
);
const { PIPE_SPEC } = loadTs(
  path.join(ROOT, "A00_Common", "design", "logic", "design_structure_pipe.ts"),
);
const { mergeFacilityOptions } = loadTs(
  path.join(ROOT, "B05_Profile", "logic", "B05_Profile_UI_Drainage_Facility_Merge.ts"),
);

const same = (a, b) => JSON.stringify(a) === JSON.stringify(b);
const inputs = JSON.parse(fs.readFileSync(0, "utf-8"));
const out = inputs.map((options) => {
  const form = createSpecForm(null, {});
  form.write(PIPE_SPEC, options);
  const merged =
    mergeFacilityOptions({ facility: "pipe", options }, { facility: "pipe", options: form.read() })
      .options ?? {};
  return {
    removed: Object.keys(options).filter((k) => !(k in merged)),
    added: Object.keys(merged).filter((k) => !(k in options)),
    changed: Object.keys(options).filter((k) => k in merged && !same(options[k], merged[k])),
  };
});
process.stdout.write(JSON.stringify(out));