/* 고르기 모달 상단 표(224-1) 시험 헬퍼 — `ui_template_item_picker_table.ts` 를 트랜스파일해
 * 표 부품 · 집계표 모듈 · 서버 읽기를 대역으로 갈아 끼우고 돌려 부름 기록을 JSON 한 벌로 냄.
 * 동적 `import()` 도 CommonJS 변환에서 같은 `require` 길을 타 대역이 먹음.
 * ⚠ 확장자가 `.cjs` 인 까닭은 `helper_b05_curve_radius_floor.cjs` 머리와 같다.
 */
const fs = require("fs");
const path = require("path");
const ts = require(path.join(__dirname, "..", "..", "config", "node_modules", "typescript"));

const ROOT = path.join(__dirname, "..", "..");
const UI = path.join(ROOT, "ui_template");
const log = [];
const state = { numbersFail: false, tableFail: null };

const node = (props = {}) => ({
  className: props.className ?? "",
  hidden: "attrs" in props && props.attrs && "hidden" in props.attrs,
  text: props.text ?? "",
  children: props.children ?? [],
  replaceChildren(...kids) {
    this.children = kids;
  },
});

const STUBS = {
  "./ui_template_elements": { el: (_tag, props) => node(props) },
  "./ui_template_locale": {
    t: (key) => (key === "M02_PickerTableFailed" ? "표 실패 {value}" : "읽는 중"),
  },
  "../M02_MasterTemplete/M02_MasterTemplete_Api_Fetch": {
    readTemplate: async (...args) => {
      log.push(["readTemplate", ...args]);
      if (state.tableFail) throw new Error(state.tableFail);
      return { 문서: { 열: [], tag: `${args[0]}|${args[4]}` } };
    },
    fetchStructureNumbersAt: async (...args) => {
      log.push(["numbers", ...args]);
      if (state.numbersFail) throw new Error("numbers down");
      return { rv1: { 도번: "SD1" } };
    },
  },
  "../M02_MasterTemplete/M02_MasterTemplete_Structure": {
    STRUCTURE_TABLE: "구조물집계표",
    comboView: (doc) => ({ ...doc, comboView: true }),
    numberLabels: (numbers) => ({ laborLabel: () => "", seenNumbers: numbers() }),
  },
  "./sheet/ui_template_sheet": {
    createSheet: (host, doc, opts) => {
      const entry = { doc, opts, selected: [], destroyed: false, host };
      log.push(["createSheet", entry]);
      host.replaceChildren({ sheet: true });
      return {
        selectColumn: (id) => entry.selected.push(id),
        destroy: () => (entry.destroyed = true),
      };
    },
  },
};

const cache = new Map();
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 (STUBS[request]) return STUBS[request];
    if (request.startsWith(".")) return loadTs(`${path.resolve(path.dirname(full), request)}.ts`);
    return require(request);
  };
  new Function("exports", "module", "require", js)(box.exports, box, localRequire);
  cache.set(full, box.exports);
  return box.exports;
}

const flush = () => new Promise((resolve) => setTimeout(resolve, 20));
const row = (key, 열, layer, owner) => ({ key, 열, layer, owner });
const names = () => log.map((entry) => entry[0]);
// 280-2 — 표는 층(+ 주인) · 열을 받음
const at = (r) => (r ? { layer: r.layer, owner: r.owner } : null);
const show = (table, r) => table.show(at(r), r ? r.열 : "");
const picked = [];
const creates = () => log.filter((entry) => entry[0] === "createSheet").map((entry) => entry[1]);

(async () => {
  const { createComboTable } = loadTs(path.join(UI, "ui_template_item_picker_table.ts"));
  const data = loadTs(path.join(UI, "ui_template_item_picker_data.ts"));
  const out = {};
  const mine = row("SS1", "rv1", "personal", "1/3");
  const sameLayer = row("SS2", "rv2", "personal", "1/3");
  const master = row("SS9", "rv9", "system", null);

  const table = createComboTable((colId) => picked.push(colId));
  out.startHidden = table.root.hidden;
  show(table, null);
  out.nullHidden = table.root.hidden;
  out.nullCalls = names();

  show(table, mine);
  out.shownHidden = table.root.hidden;
  await flush();
  out.firstReads = log.filter((e) => e[0] !== "createSheet");
  const first = creates()[0];
  out.first = {
    count: creates().length,
    readOnly: first.opts.readOnly,
    lockHead: first.opts.lockHead,
    mode: first.opts.mode,
    combo: !!first.opts.combo,
    comboDoc: first.doc.comboView,
    docTag: first.doc.tag,
    numbersSeen: first.opts.seenNumbers,
    selected: first.selected,
  };

  log.length = 0;
  show(table, sameLayer); // 같은 층 다른 조합 — 표 그대로 · 열만
  await flush();
  out.sameLayer = { calls: names(), selected: first.selected, destroyed: first.destroyed };

  log.length = 0;
  show(table, master); // 다른 층 — 그 층 표로 바뀜
  await flush();
  out.otherLayer = {
    reads: log.filter((e) => e[0] === "readTemplate"),
    creates: creates().length,
    oldDestroyed: first.destroyed,
    selected: creates()[0].selected,
    docTag: creates()[0].doc.tag,
  };

  log.length = 0;
  show(table, null);
  out.hideAgain = table.root.hidden;

  // 읽는 사이에 다른 조합을 고름 — 마지막 것만 그려짐
  log.length = 0;
  show(table, mine);
  show(table, master);
  await flush();
  out.race = { creates: creates().length, docTag: creates()[0]?.doc.tag };

  // 번호 읽기 실패 — 표는 그려짐
  log.length = 0;
  state.numbersFail = true;
  const lone = createComboTable((colId) => picked.push(colId));
  show(lone, mine);
  await flush();
  out.numbersFail = { creates: creates().length, seen: creates()[0]?.opts.seenNumbers };
  state.numbersFail = false;

  // 표 읽기 실패 — 까닭 글 · 표 없음
  log.length = 0;
  state.tableFail = "그 층은 아직 만든 것이 없음";
  const broken = createComboTable((colId) => picked.push(colId));
  show(broken, mine);
  await flush();
  out.tableFail = { creates: creates().length, text: broken.root.children[0].text };

  out.keys = {
    mineSame: data.tableKey(mine) === data.tableKey(sameLayer),
    layerDiffers: data.tableKey(mine) !== data.tableKey(master),
    ownerDiffers: data.tableKey(mine) !== data.tableKey(row("SS1", "rv1", "personal", "1/4")),
    mine: data.tableKey(mine),
  };
  // 280-2 — 표에서 고른 열은 부른 쪽에 넘김 · 열 없는 고름(colId null)은 안 넘김
  state.tableFail = null;
  const fresh = createComboTable((colId) => picked.push(colId));
  log.length = 0;
  show(fresh, mine);
  await flush();
  const sheetOpts = creates()[0].opts;
  sheetOpts.onSelect({ colId: "rv2" });
  sheetOpts.onSelect({ colId: null });
  out.onColumn = picked.slice(-1);
  // 층만 바꿈(고른 열 없음) — 그 층 표를 그리고 열은 안 고름
  log.length = 0;
  fresh.show({ layer: "system", owner: null }, "");
  await flush();
  out.layerOnly = {
    reads: log.filter((e) => e[0] === "readTemplate"),
    selected: creates()[0].selected,
  };
  console.log(JSON.stringify(out));
})().catch((error) => {
  console.error(error);
  process.exit(1);
});