// 원본 묶음 인쇄(TEstPrint.Print 0x10fef98, TFRMESTPRINT2·TFRMPRINTLISTCHECK·TFRMESTPRINTPRIVATE 간지).
// 인쇄표 차례대로(공통 설정 행 Index 0 제외) 고른(Checked) 서식마다 간지(PrintGangiShow, 가운데 제목 Name2 · 겹테두리) → 서식 본문.
// 웹은 한 문서로 이어 인쇄하고 쪽 번호는 브라우저 쪽 번호를 쓴다(원본은 간지가 쪽 번호를 쓰지 않음 — 웹은 간지 쪽에 번호만 숨김).
// 서식 본문은 인쇄 미리보기와 같은 자료(EstForms.data · EstDocs.html). 화면 전용 서식은 건너뛰고 알린다.
const EstPrintBatch = (() => {
  const esc = (v) =>
    String(v ?? "").replace(
      /[&<>"]/g,
      (c) => ({ "&": "&amp;", "<": "&lt;", ">": "&gt;", '"': "&quot;" })[c],
    );

  function forms(catalog, project) {
    const saved = project.printBatch?.checked;
    return catalog
      .filter((row) => Number(row.Index) !== 0)
      .map((row) => ({
        Index: row.Index,
        Name: row.Name2 || row.Name || String(row.Index),
        checked: saved ? saved.includes(row.Index) : Number(row.Checked) === 1,
        gangi: project.printBatch?.gangi ?? Number(row.PrintGangiShow) === 1,
        outline: project.printBatch?.outline ?? Number(row.PrintGangiOutLineShow ?? 1) === 1,
      }));
  }

  function body(index, project, state) {
    const output = EstForms.data(index, project, state);
    if (output) return EstForms.grid(output);
    const doc = typeof EstDocs !== "undefined" ? EstDocs.html(Number(index), project) : "";
    return doc || null;
  }

  function document_(list, project, state, gangi) {
    const skipped = [],
      parts = [];
    for (const form of list.filter((f) => f.checked)) {
      const html = body(form.Index, project, state);
      if (html == null) {
        skipped.push(form.Name);
        continue;
      }
      if (gangi)
        parts.push(
          `<section class="gangi${form.outline ? " outline" : ""}"><div>${esc(form.Name)}</div></section>`,
        );
      parts.push(`<section class="form"><h2>${esc(form.Name)}</h2>${html}</section>`);
    }
    const html = `<!doctype html><html lang="ko"><head><meta charset="utf-8"><title>${esc(project.name)} 설계서</title><style>
      @page{size:A4 landscape;margin:12mm;@bottom-right{content:counter(page)}}@page gangi{@bottom-right{content:none}}
      body{font:9pt "Malgun Gothic",sans-serif;margin:0}table{width:100%;border-collapse:collapse}th,td{border:1px solid #777;padding:1.2mm}
      th{background:#eee}.numeric{text-align:right}.form{break-after:page}.form:last-child{break-after:auto}
      .gangi{page:gangi;break-after:page;height:170mm;display:flex;align-items:center;justify-content:center;font-size:30pt;font-weight:bold}
      .gangi.outline div{border:4px double #222;padding:12mm 30mm}.document-text{white-space:pre-wrap}</style></head><body>${parts.join("")}</body></html>`;
    return { html, skipped, count: parts.length };
  }

  let catalog = [];
  // 간지 설정값 일괄적용(btnGangiAllSet): 간지 인쇄·겹테두리를 모든 서식에 같게. 기본양식에저장(btnSaveToMain):
  // 고른 서식·간지 설정을 서버 양식 보관함(종류 print, 이름 「묶음기본양식」)에 — 묶음 설정이 없는 공사에서 열 때 씀.
  const DEFAULT = "묶음기본양식";
  const post = (body) => ({
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify(body),
  });
  async function open(state) {
    if (!state.project.printBatch) {
      const saved = (await EstApp.api("/api/forms")).find(
        (f) => f.kind === "print" && f.name === DEFAULT,
      );
      if (saved) EstApp.change((project) => (project.printBatch = saved.data), false);
    }
    const defaults = await EstApp.api("/api/print-catalog");
    const original = new Map((state.project.printCatalog || []).map((row) => [row.Index, row]));
    catalog = defaults.map((row) => ({ ...row, ...original.get(row.Index) }));
    render(state);
  }
  function render(state) {
    const list = forms(catalog, state.project);
    EstApp.showDialog(
      "묶음 인쇄(설계서 일체)",
      `<p>인쇄할 서식을 고르세요. 인쇄표 차례대로 이어 인쇄합니다.</p><label><input type="checkbox" name="pb-gangi" ${list[0]?.gangi ? "checked" : ""}>간지 인쇄</label> <label><input type="checkbox" name="pb-outline" ${list[0]?.outline !== false ? "checked" : ""}>간지 겹테두리</label> (모든 서식에 일괄적용) <button data-action="print-batch-all">전체선택</button><button data-action="print-batch-none">선택해제</button><button data-action="print-batch-default">기본양식에저장</button><div style="max-height:260px;overflow:auto;columns:2">${list.map((f) => `<label style="display:block"><input type="checkbox" name="pb-form" value="${esc(f.Index)}" ${f.checked ? "checked" : ""}>${esc(f.Name)}</label>`).join("")}</div><button data-action="print-batch-preview">미리보기</button> <button data-action="print-batch-print">인쇄</button><p id="print-batch-note"></p><iframe id="print-batch-frame" style="width:100%;height:360px;border:1px solid #ccc"></iframe>`,
    );
  }
  function read(state) {
    const checked = [...document.querySelectorAll('#dialog-content [name="pb-form"]:checked')].map(
      (n) => (/^\d+$/.test(n.value) ? Number(n.value) : n.value),
    );
    const gangi = document.querySelector('#dialog-content [name="pb-gangi"]').checked,
      outline = document.querySelector('#dialog-content [name="pb-outline"]').checked;
    if (!checked.length) throw Error("인쇄할 서식을 하나 이상 고르세요.");
    const next = { checked, gangi, outline };
    if (JSON.stringify(next) !== JSON.stringify(state.project.printBatch))
      EstApp.change((project) => (project.printBatch = next), false);
    return next;
  }
  function build(state) {
    const { gangi } = read(state),
      list = forms(catalog, state.project),
      out = document_(list, state.project, state, gangi),
      frame = EstApp.byId("print-batch-frame");
    frame.srcdoc = out.html;
    EstApp.byId("print-batch-note").textContent =
      `서식·간지 ${out.count}개${out.skipped.length ? ` · 화면 전용이라 뺀 서식: ${out.skipped.join(", ")}` : ""}`;
    return frame;
  }

  function handle(name, state) {
    if (name === "print-batch")
      open(state).catch((error) => {
        state.notice = error.message;
        EstApp.render();
      });
    else if (name === "print-batch-preview") build(state);
    else if (name === "print-batch-all" || name === "print-batch-none")
      for (const n of document.querySelectorAll('#dialog-content [name="pb-form"]'))
        n.checked = name === "print-batch-all";
    else if (name === "print-batch-default") {
      const data = read(state);
      EstApp.api("/api/forms", post({ kind: "print", name: DEFAULT, data }))
        .then(
          () =>
            (EstApp.byId("print-batch-note").textContent = "묶음 인쇄 기본양식을 저장했습니다."),
        )
        .catch((error) => (EstApp.byId("print-batch-note").textContent = error.message));
    } else if (name === "print-batch-print") {
      const frame = build(state);
      frame.onload = () => frame.contentWindow.print();
    } else return false;
    return true;
  }

  return { forms, document: document_, handle };
})();