/* 130-1 · 140-2 [평면도 관리] 모달 헬퍼 — 좌측 「평면도」 묶음 · 모달(종류 추가 · 업데이트 · 지우기 · 장 미리보기 ·
 * 드롭다운 따라가기 · 줄 끌어 순서)을
 * Node 로 돌려 표준출력 JSON 한 벌로. TS 는 그 자리에서 트랜스파일 · 화면 그릇(DOM)은 쓰는 만큼만 흉내 ·
 * 서버 길(`_Api_Fetch`)은 메모리 가짜 · 공용 모달 · CAD · 드롭다운 · 체크박스는 기록용 가짜.
 */
const fs = require("fs");
const path = require("path");
const { makeLoader } = require("./helper_ts_stub_loader.cjs");

const ROOT = path.join(__dirname, "..", "..");
const B07 = path.join(ROOT, "B07_DesignDetail");

// ── 화면 그릇 흉내 ─────────────────────────────────────────────────────────────
class FakeNode {
  constructor(tag) {
    this.tagName = tag.toUpperCase();
    this.children = [];
    this.dataset = {};
    this.listeners = {};
    this._text = "";
    this._classes = new Set();
    this.value = "";
    this.hidden = false;
    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("");
  }
  append(...kids) {
    kids.forEach((k) => this.children.push(k));
  }
  replaceChildren(...kids) {
    this.children = [...kids];
  }
  addEventListener(type, handler) {
    (this.listeners[type] ||= []).push(handler);
  }
  click() {
    const event = { stopPropagation() {}, preventDefault() {} };
    (this.listeners.click || []).forEach((handler) => handler(event));
  }
  fire(type, event = {}) {
    (this.listeners[type] || []).forEach((handler) => handler({ preventDefault() {}, ...event }));
  }
  getBoundingClientRect() {
    return { top: 0, height: 20, left: 0, width: 100 };
  }
  /** `.a` · `.a .b`(자손) 만. */
  querySelectorAll(selector) {
    const parts = selector
      .trim()
      .split(/\s+/)
      .map((p) => p.slice(1));
    const found = [];
    const walk = (node, depth) =>
      node.children.forEach((kid) => {
        let next = depth;
        if (kid.classList && kid.classList.contains(parts[depth])) {
          if (depth === parts.length - 1) found.push(kid);
          else next = depth + 1;
        }
        walk(kid, next);
      });
    walk(this, 0);
    return found;
  }
  querySelector(selector) {
    return this.querySelectorAll(selector)[0] ?? null;
  }
}
const all = (node) => [node, ...node.children.flatMap(all)];
const byText = (node, tag, text) =>
  all(node).filter((n) => n.tagName === tag && n.textContent === text);

globalThis.document = { createElement: (tag) => new FakeNode(tag) };
const confirms = [];
globalThis.window = { confirm: (message) => (confirms.push(message), true) };

// ── 공용 부품 가짜 ─────────────────────────────────────────────────────────────
const toasts = [];
const modals = [];
const cads = [];
const selects = [];
const STUBS = {
  "@ui/ui_template_elements": {
    showToast: (message, kind) => toasts.push([kind, message]),
    createSelectField: (opts) => {
      const root = new FakeNode("select");
      const select = { value: opts.options[0]?.value ?? "", disabled: false };
      const field = {
        root,
        select,
        label: opts.ariaLabel,
        change: (value) => ((select.value = value), opts.onChange && opts.onChange()),
        setOptions: (options, value) => (select.value = value ?? options[0]?.value ?? ""),
      };
      selects.push(field);
      return field;
    },
  },
  "@ui/ui_template_checkbox": {
    createCheckbox: (label, opts = {}) => {
      const root = new FakeNode("label");
      root.textContent = label;
      return { root, input: { value: opts.value ?? "", checked: !!opts.checked } };
    },
  },
  "@ui/ui_template_modal": {
    openModal: (opts) => {
      const body = new FakeNode("div");
      const modal = { opts, body, open: true };
      modals.push(modal);
      opts.mount(body, () => (modal.open = false));
      return { close: () => (modal.open = false) };
    },
  },
  "@ui/cad_host/cad_host": {
    createCadHost: (opts) => {
      const cad = { opts, element: new FakeNode("div"), loads: [], destroyed: false };
      cad.beginLoading = () => {};
      cad.fail = (detail) => toasts.push(["error", detail]);
      cad.load = (drawing, meta, frameEdit, fields, extra) =>
        cad.loads.push({ drawing, meta, extra });
      cad.destroy = () => (cad.destroyed = true);
      cads.push(cad);
      return cad;
    },
  },
  "@ui/ui_template_locale": {
    currentLanguageIndex: 0,
    ui_locales: new Proxy({}, { get: (_, key) => [String(key)] }),
  },
};

// ── 서버 길 가짜 — 종류 파일 · 장 목록이 메모리에 ───────────────────────────────
const calls = [];
const state = {
  pieces: [
    { id: "terrain", name: "지형" },
    { id: "route", name: "노선" },
  ],
  scales: [1000, 1200],
  default_scale: 1200,
  watershed_scale: 6000,
  contour_intervals: [5, 10], // 512-1 유역도 등고선 간격(서버 `_state` 와 같은 칸)
  default_contour_interval: 5,
  kinds: [
    { id: "k_terrain", name: "지형", pieces: ["terrain"], layout: "plan", scale: 1200 },
    { id: "k_route", name: "노선배치도", pieces: ["route"], layout: "plan", scale: 1200 },
  ],
};
let confirmed = new Set(["plan_k_route"]);
/** 종류 하나 = 장 하나 · 「지형」만 두 장. */
const sheets = () =>
  state.kinds.flatMap((kind) =>
    (kind.id === "k_terrain" ? [1, 2] : [1]).map((n) => {
      const id = n === 1 ? `plan_${kind.id}` : `plan_${kind.id}_${n}`;
      return {
        id,
        kind: "plan",
        label: kind.name,
        chainage_m: null,
        confirmed: confirmed.has(id),
        plan_kind: kind.id,
        plan_kind_name: kind.name,
      };
    }),
  );
const copy = () => JSON.parse(JSON.stringify(state));
const API = {
  fetchPlanKinds: async () => (calls.push(["kinds"]), copy()),
  fetchDesignDrawingList: async () => (
    calls.push(["list"]),
    { drawings: [{ id: "cover", kind: "cover" }, ...sheets()] }
  ),
  fetchDesignDrawing: async (_, id) => (
    calls.push(["fetchDrawing", id]),
    { id, confirmed: confirmed.has(id), drawing: { entities: [{ id }], layers: [] } }
  ),
  addPlanKind: async (_, name, pieces, layout, scale) => {
    calls.push(["add", name, pieces, layout, scale]);
    state.kinds.push({ id: "k_new", name, pieces, layout, scale });
    return copy();
  },
  updatePlanKind: async (_, id, name, pieces, scale) => {
    calls.push(["update", id, name, pieces, scale]);
    Object.assign(
      state.kinds.find((k) => k.id === id),
      { name, pieces, scale },
    );
    return copy();
  },
  deletePlanKind: async (_, id) => {
    calls.push(["delete", id]);
    state.kinds = state.kinds.filter((k) => k.id !== id);
    return copy();
  },
  savePlanMarks: async () => copy(),
  reorderPlanKinds: async (_, ids) => {
    calls.push(["reorder", ids]);
    state.kinds = ids.map((id) => state.kinds.find((k) => k.id === id));
    confirmed.delete("plan_k_route"); // 번호 바뀐 장 확정 풂(서버 몫 흉내)
    return copy();
  },
  invalidateDesignDrawing: async (_, id) => {
    calls.push(["invalidate", id]);
    confirmed.delete(id);
  },
};

const { loadTs } = makeLoader({
  root: ROOT,
  requireFor: (full) => (request) => {
    if (STUBS[request]) return STUBS[request];
    // 공용 카드(269) = 진짜 모듈(가짜 그릇 위에서 돎)
    if (request === "@ui/ui_template_collapsible")
      return loadTs(path.join(ROOT, "ui_template", "ui_template_collapsible.ts"));
    if (request === "./B07_DesignDetail_Api_Fetch") return API;
    // 522-3 미리받기 — 장 받기는 `openDrawing` · 고친 뒤 목록 맞춤은 `syncDrawings`
    if (request === "./B07_DesignDetail_Prefetch")
      return {
        openDrawing: (item) => API.fetchDesignDrawing("p1", item.id),
        syncDrawings: (_, list) => calls.push(["sync", list.length]),
      };
    if (request.startsWith(".")) return loadTs(path.join(path.dirname(full), `${request}.ts`));
    throw new Error(`stub 없음: ${request}`);
  },
});

const settle = () => new Promise((done) => setTimeout(done, 0));
const { buildDrawingSidePanel } = loadTs(path.join(B07, "B07_DesignDetail_UI_Panels.ts"));
const { openPlanManager } = loadTs(path.join(B07, "B07_DesignDetail_UI_PlanManage.ts"));

(async () => {
  const out = {};
  const closes = [];
  const selected = [];
  // 페이지가 받은 목록을 넘김(`openDrawingSettings` 와 같은 길 · 522-3)
  const pageList = [{ id: "cover", kind: "cover", label: "표지", confirmed: false }, ...sheets()];
  const plan = {
    projectId: "p1",
    drawings: pageList,
    onClosed: (changed, openId) => closes.push([changed, openId]),
  };
  const panel = buildDrawingSidePanel(
    pageList,
    (drawing) => selected.push(drawing.id),
    undefined,
    false,
    // 280-5 평면도 ⚙ = 평면도 관리 모달(화면 조립 `openDrawingSettings` 와 같은 길)
    (kind) => kind === "plan" && openPlanManager(plan),
  );
  const gear = () => section.querySelectorAll(".ui-collapsible__settings")[0];
  const section = panel.querySelector(".b07-plan");
  out.left = {
    manage: section.querySelectorAll(".ui-collapsible__settings").length,
    manageButton: byText(section, "BUTTON", "평면도 관리").length,
    sheetButtons: section.querySelectorAll(".b07-drawing-button").map((b) => b.dataset.drawingId),
    formFields: all(section).filter((n) => ["SELECT", "INPUT", "LABEL"].includes(n.tagName)).length,
    remove: byText(section, "BUTTON", "×").length,
    texts: section.textContent,
  };

  // 단추 → 모달
  gear().click();
  await settle();
  const modal = modals[0];
  const cad = cads[0];
  const rows = () => modal.body.querySelectorAll(".b07-plan-manage__sheets .b07-plan-manage__row");
  const kindRows = () => rows().map((row) => row.dataset.planKind);
  const sheetIds = () =>
    modal.body.querySelectorAll(".b07-plan-manage__sheet").map((b) => b.dataset.drawingId);
  const kindPick = () => selects.filter((s) => s.label === "종류").at(-1);
  const action = () =>
    all(modal.body).find(
      (n) => n.tagName === "BUTTON" && ["추가", "업데이트"].includes(n.textContent),
    );
  out.open = {
    title: modal.opts.title,
    dialogClass: modal.opts.dialogClass,
    kinds: kindRows(),
    sheets: sheetIds(),
    hasKindForm: !!kindPick(),
    hasMarks: all(modal.body).some((n) => n.textContent === "대피소 · 사토장 자리"),
    preview: cad.loads.at(-1).drawing.entities[0].id,
    extra: cad.loads.at(-1).extra,
    bare: cad.opts.bare,
    calls: calls.map((c) => c[0]),
  };

  // 종류 추가 — 「새 종류」 · 이름 · 조각 하나
  kindPick().change("");
  all(modal.body).find((n) => n.tagName === "INPUT" && n.placeholder === "종류 이름").value =
    "sub6임시";
  action().click();
  await settle();
  await settle();
  out.add = {
    kinds: kindRows(),
    sheets: sheetIds(),
    call: calls.find((c) => c[0] === "add"),
    after: calls.slice(calls.findIndex((c) => c[0] === "add")).map((c) => c[0]),
  };

  // 업데이트 — 새 종류를 골라 이름 · 축척 바꿈
  kindPick().change("k_new");
  out.updateLabel = action().textContent;
  all(modal.body).find((n) => n.tagName === "INPUT" && n.placeholder === "종류 이름").value =
    "sub6임시2";
  selects.filter((s) => s.label === "축척").at(-1).select.value = "1000";
  action().click();
  await settle();
  await settle();
  out.update = {
    call: calls.find((c) => c[0] === "update"),
    rowText: rows().find((row) => row.dataset.planKind === "k_new").textContent,
  };

  // 지우기 — 드롭다운에서 그 종류를 고르고 폼 안 [지우기]
  kindPick().change("k_new");
  out.removeHiddenForNew = (() => {
    kindPick().change("");
    return byText(modal.body, "BUTTON", "지우기")[0].hidden;
  })();
  kindPick().change("k_new");
  byText(modal.body, "BUTTON", "지우기")[0].click();
  await settle();
  await settle();
  out.remove = {
    kinds: kindRows(),
    call: calls.find((c) => c[0] === "delete"),
    confirms: confirms.length,
  };

  // 미리보기 장 바꾸기 — 「지형 2장」 → 「노선배치도」(확정 배지만 · [확정 풀기] 없음 140-1)
  const pickSheet = async (id) => {
    modal.body
      .querySelectorAll(".b07-plan-manage__sheet")
      .find((b) => b.dataset.drawingId === id)
      .click();
    await settle();
  };
  await pickSheet("plan_k_terrain_2");
  const head = () => modal.body.querySelector(".b07-plan-manage__head");
  out.sheet2 = {
    preview: cad.loads.at(-1).drawing.entities[0].id,
    head: head().textContent,
    active: modal.body
      .querySelectorAll(".b07-plan-manage__sheet")
      .filter((b) => b.dataset.active === "true")
      .map((b) => b.dataset.drawingId),
    sheetTexts: rows()[0]
      .querySelectorAll(".b07-plan-manage__sheet")
      .map((b) => b.textContent),
    dropdown: kindPick().select.value,
    activeRow: rows()
      .filter((r) => r.dataset.active === "true")
      .map((r) => r.dataset.planKind),
  };
  await pickSheet("plan_k_route");
  out.routeHead = head().textContent;
  out.routeDropdown = kindPick().select.value;

  // 드롭다운으로 종류 고름 → 그 종류 첫 장 미리보기 + 줄 강조
  kindPick().change("k_terrain");
  await settle();
  out.dropdownPick = {
    preview: cad.loads.at(-1).drawing.entities[0].id,
    activeRow: rows()
      .filter((r) => r.dataset.active === "true")
      .map((r) => r.dataset.planKind),
  };

  // 줄 끌어 놓기 — 제자리면 부르지 않음 · 「노선배치도」를 「지형」 위 반에 놓으면 앞으로(놓는 즉시)
  const dragTo = async (fromId, toId, clientY) => {
    const from = rows().find((r) => r.dataset.planKind === fromId);
    const to = rows().find((r) => r.dataset.planKind === toId);
    from.fire("dragstart", {});
    to.fire("dragover", { clientY });
    to.fire("drop", {});
    from.fire("dragend");
    await settle();
    await settle();
  };
  await dragTo("k_route", "k_terrain", 15); // 아래 반 = 뒤 = 제자리
  out.dragSame = calls.filter((c) => c[0] === "reorder").length;
  await dragTo("k_route", "k_terrain", 5);
  out.drag = {
    call: calls.find((c) => c[0] === "reorder"),
    kinds: kindRows(),
    sheets: sheetIds(),
  };

  // 닫기 — 고친 게 있으니 changed = true · 미리보기 듣기 멈춤
  modal.opts.beforeClose();
  out.close = { closes: [...closes], destroyed: cad.destroyed, open: modal.open };

  // 다시 열어 고치지 않고 [CAD 에서 열기] → changed = false · 그 장 id
  const callsBefore = calls.length;
  gear().click();
  await settle();
  await settle();
  const modal2 = modals[1];
  out.reopen = {
    calls: calls.slice(callsBefore).map((c) => c[0]),
    kinds: modal2.body
      .querySelectorAll(".b07-plan-manage__sheets .b07-plan-manage__row")
      .map((row) => row.dataset.planKind),
  };
  modal2.body
    .querySelectorAll(".b07-plan-manage__sheet")
    .find((b) => b.dataset.drawingId === "plan_k_route")
    .click();
  await settle();
  byText(modal2.body.querySelector(".b07-plan-manage__head"), "BUTTON", "CAD 에서 열기")[0].click();
  out.openInCad = { closes: closes.slice(1), destroyed: cads[1].destroyed, open: modal2.open };
  out.toasts = toasts;
  process.stdout.write(JSON.stringify(out));
})().catch((error) => {
  process.stderr.write(String(error && error.stack ? error.stack : error));
  process.exit(1);
});