// 원본 견적서작성(mnuEstiMatePrn → TfrmEstiMatePrn 0x10c1994, 그리기 0x10c4768).
// 설정은 공사마다 project.estimatePrint(원본 EstiPrintInfo.einf 세 구역), 공급자정보는 원본과 같은 INI(.einf)로 내보내기·불러오기
// (불러오기는 EstiPrnCompanyInfo·EstiPrnInfo 두 구역만). 행: 레벨 0 = 전 행, N = Level ≥ N 공종 머리 + LinkIndex 54·55·58.
// 열: 품명(Pr+Name)·규격·수량·단위·단가·공급가액·비고(선택). 1쪽만 머리·공급자·합계금액, 1쪽 F_PageCount·이후 L_PageCount 줄.
// 합계금액 = 원가계산서를 아래에서 위로 훑어 Checked 이고 금액 있는 첫 행(없으면 도급액 55 행) — 「일금: …원정 (￦…원정)」.
const EstEstimatePrint = (() => {
  const num = (value) => Number(value) || 0;
  const defaults = {
    Title_Name: "견  적  서",
    Project_Name: "",
    Order_name: "",
    Esti_Date: "",
    Reg_Num: "",
    ComPany_Name: "",
    Ceo_Name: "",
    Addr: "",
    Uptae: "",
    Jongmog: "",
    Tel: "",
    Company_Show: true,
    F_PageCount: 27,
    L_PageCount: 36,
    Aligment: 0,
    Bigo_Show: false,
    Level: 0,
  };
  const sections = {
    EstiProjectInfo: ["Title_Name", "Project_Name", "Order_name", "Esti_Date"],
    EstiPrnCompanyInfo: [
      "Reg_Num",
      "ComPany_Name",
      "Ceo_Name",
      "Addr",
      "Uptae",
      "Jongmog",
      "Tel",
      "Company_Show",
    ],
    EstiPrnInfo: ["F_PageCount", "L_PageCount", "Aligment", "Bigo_Show"],
  };

  function settings(project) {
    const today = new Date();
    return {
      ...defaults,
      Project_Name: project.name || "",
      Esti_Date: `${today.getFullYear()}년 ${String(today.getMonth() + 1).padStart(2, "0")}월 ${String(today.getDate()).padStart(2, "0")}일`,
      ...(project.estimatePrint || {}),
    };
  }

  function rows(project, level) {
    const list = project.tables.EstMainDat || [];
    return level > 0
      ? list.filter((r) => num(r.Level) >= level || [54, 55, 58].includes(num(r.LinkIndex)))
      : list;
  }

  function total(project) {
    const wonga = project.tables.Wonga || [];
    for (let i = wonga.length - 1; i >= 0; i--)
      if (wonga[i].Checked === true && num(wonga[i].Cost)) return num(wonga[i].Cost);
    return num(wonga.find((r) => num(r.LinkIndex) === 55)?.Cost ?? project.calculation?.total);
  }

  function totalText(value) {
    return ` 일금:${EstDocs.korean(value)}원정  (￦${Math.round(value).toLocaleString("en-US")}원정)`;
  }

  function pages(list, first, rest) {
    if (!(first > 0 && rest > 0)) throw Error("쪽당 줄 수는 1 이상입니다.");
    const out = [list.slice(0, first)];
    for (let at = first; at < list.length; at += rest) out.push(list.slice(at, at + rest));
    return out;
  }

  // 원본 TIniFile 형식(.einf)
  function toIni(s, keys = Object.keys(sections)) {
    return keys
      .map(
        (section) =>
          `[${section}]\r\n${sections[section].map((key) => `${key}=${typeof s[key] === "boolean" ? (s[key] ? "1" : "0") : (s[key] ?? "")}`).join("\r\n")}`,
      )
      .join("\r\n\r\n");
  }
  function fromIni(text, keys = ["EstiPrnCompanyInfo", "EstiPrnInfo"]) {
    const out = {};
    let section = "";
    for (const line of String(text).split(/\r?\n/)) {
      const head = line.match(/^\s*\[([^\]]+)\]\s*$/);
      if (head) {
        section = head[1];
        continue;
      }
      const pair = line.match(/^\s*([^=]+?)\s*=(.*)$/);
      if (!pair || !keys.includes(section) || !sections[section].includes(pair[1])) continue;
      const key = pair[1],
        value = pair[2].trim(),
        base = defaults[key];
      out[key] =
        typeof base === "boolean"
          ? ["1", "true", "-1"].includes(value.toLowerCase())
          : typeof base === "number"
            ? Number(value) || 0
            : value;
    }
    return out;
  }

  function html(project, s) {
    const esc = (v) =>
      String(v ?? "").replace(
        /[&<>"]/g,
        (c) => ({ "&": "&amp;", "<": "&lt;", ">": "&gt;", '"': "&quot;" })[c],
      );
    const fmt = (v) => (num(v) ? num(v).toLocaleString("ko-KR", { maximumFractionDigits: 4 }) : "");
    const lines = (text) => esc(text).split("|").join("<br>");
    const align = num(s.Aligment) ? "center" : "left";
    const head = [
      "품      명",
      "규   격",
      "수 량",
      "단위",
      "단   가",
      "공급가액",
      ...(s.Bigo_Show ? ["비  고"] : []),
    ];
    const table = (list) =>
      `<table class="esti"><thead><tr>${head.map((h) => `<th>${h}</th>`).join("")}</tr></thead><tbody>${list
        .map((r) => {
          const bold =
            num(r.Level) > 0 || num(r.LinkIndex) === 54 ? ' style="font-weight:bold"' : "";
          return `<tr${bold}><td style="text-align:${align}">${esc(`${r.Pr ?? ""}${r.Name ?? ""}`)}</td><td style="text-align:${align}">${esc(r.Size)}</td><td class="n">${fmt(r.GN)}</td><td style="text-align:center">${esc(r.Unite)}</td><td class="n">${fmt(r.TU)}</td><td class="n">${fmt(r.TC)}</td>${s.Bigo_Show ? `<td>${esc(typeof r.Bigo === "string" ? r.Bigo : "")}</td>` : ""}</tr>`;
        })
        .join("")}</tbody></table>`;
    const company = s.Company_Show
      ? `<table class="supplier"><tr><th rowspan="7">공<br>급<br>자</th><th>등록번호</th><td>${esc(s.Reg_Num)}</td></tr>${[
          ["상    호", s.ComPany_Name],
          ["성  명", s.Ceo_Name],
          ["사업장주소", s.Addr],
          ["업    태", s.Uptae],
          ["종  목", s.Jongmog],
          ["전화(FAX)", s.Tel],
        ]
          .map(([k, v]) => `<tr><th>${k}</th><td>${esc(v)}</td></tr>`)
          .join("")}</table>`
      : "";
    const all = pages(rows(project, num(s.Level)), num(s.F_PageCount), num(s.L_PageCount));
    const sum = total(project);
    const body = all
      .map(
        (list, i) =>
          `<section class="page">${
            i === 0
              ? `<h1>${esc(s.Title_Name)}</h1><div class="top"><div><p>공사명: ${lines(s.Project_Name)}</p><p>${lines(s.Order_name)} 귀하</p><p>${esc(s.Esti_Date)}</p><p>아래와 같이 견적합니다</p></div>${company}</div><p class="sum">합계금액 ${esc(totalText(sum))}</p>`
              : ""
          }${table(list)}<div class="footer">${i + 1} / ${all.length}</div></section>`,
      )
      .join("");
    return `<!doctype html><html><head><meta charset="utf-8"><style>body{font-family:굴림체,monospace;font-size:10pt}.page{page-break-after:always;padding:10mm}h1{text-align:center;letter-spacing:8px}.top{display:flex;justify-content:space-between;gap:12px}table{border-collapse:collapse;width:100%}th,td{border:1px solid #333;padding:2px 4px}.n{text-align:right}.supplier{width:55%}.sum{font-weight:bold;font-size:12pt;border:1px solid #333;padding:6px}.footer{text-align:center;margin-top:6px}</style></head><body>${body}</body></html>`;
  }

  // 화면
  const field = (name) => document.querySelector(`#dialog-content [name="ep-${name}"]`);
  function open(state) {
    const s = settings(state.project),
      { esc } = EstApp;
    const input = (k, label, type = "text") =>
      `<label>${label}<input name="ep-${k}" type="${type}" value="${esc(s[k])}"></label>`;
    const check = (k, label) =>
      `<label><input name="ep-${k}" type="checkbox" ${s[k] ? "checked" : ""}>${label}</label>`;
    EstApp.showDialog(
      "견적서 작성",
      `<div class="form-fields">${input("Title_Name", "제목")}${input("Project_Name", "공사명(| 줄바꿈)")}${input("Order_name", "발주처")}${input("Esti_Date", "견적일자")}${input("Level", "설계내역 레벨표시(0~9)", "number")}${input("F_PageCount", "첫 페이지 줄수", "number")}${input("L_PageCount", "나머지 페이지 줄수", "number")}<label>품명·규격 정렬<select name="ep-Aligment"><option value="0" ${num(s.Aligment) ? "" : "selected"}>왼쪽</option><option value="1" ${num(s.Aligment) ? "selected" : ""}>가운데</option></select></label>${check("Bigo_Show", "비고란 보기")}${check("Company_Show", "공급자 정보 인쇄")}</div><h4>공급자</h4><div class="form-fields">${input("Reg_Num", "등록번호")}${input("ComPany_Name", "상호")}${input("Ceo_Name", "대표자")}${input("Addr", "사업장주소")}${input("Uptae", "업태")}${input("Jongmog", "종목")}${input("Tel", "전화,(FAX)")}</div><button data-action="estimate-print-preview">미리보기</button> <button data-action="estimate-print-print">인쇄</button> <button data-action="estimate-print-save">공급자정보 저장하기(.einf)</button> <button data-action="estimate-print-load">공급자정보 불러오기</button><iframe id="estimate-print-frame" style="width:100%;height:420px;border:1px solid #ccc;margin-top:8px"></iframe>`,
    );
  }
  function read(state) {
    const s = settings(state.project);
    for (const key of Object.keys(defaults)) {
      const node = field(key);
      if (!node) continue;
      s[key] =
        node.type === "checkbox"
          ? node.checked
          : typeof defaults[key] === "number"
            ? Number(node.value) || 0
            : node.value;
    }
    if (!(s.Level >= 0 && s.Level <= 9)) throw Error("레벨은 0~9 입니다.");
    if (JSON.stringify(s) !== JSON.stringify(settings(state.project)))
      EstApp.change((project) => (project.estimatePrint = s), false);
    return s;
  }
  function preview(state) {
    const s = read(state),
      frame = EstApp.byId("estimate-print-frame");
    frame.srcdoc = html(state.project, s);
    return frame;
  }

  function handle(name, state) {
    if (name === "estimate-print") open(state);
    else if (name === "estimate-print-preview") preview(state);
    else if (name === "estimate-print-print") {
      const frame = preview(state);
      frame.onload = () => frame.contentWindow.print();
    } else if (name === "estimate-print-save")
      EstApp.download("견적서 기본정보.einf", toIni(read(state)), "text/plain");
    else if (name === "estimate-print-load") {
      const picker = document.createElement("input");
      picker.type = "file";
      picker.accept = ".einf,.ini,.txt";
      picker.addEventListener("change", async () => {
        const file = picker.files[0];
        if (!file) return;
        const bytes = new Uint8Array(await file.arrayBuffer());
        let text;
        try {
          text = new TextDecoder("utf-8", { fatal: true }).decode(bytes);
        } catch {
          text = new TextDecoder("euc-kr").decode(bytes);
        }
        const next = { ...read(state), ...fromIni(text) };
        EstApp.change((project) => (project.estimatePrint = next), false);
        open(state);
      });
      picker.click();
    } else return false;
    return true;
  }

  return { settings, rows, total, totalText, pages, toIni, fromIni, html, handle };
})();