const path = require("path");
const fs = require("fs");
const ExcelJS = require(path.join(__dirname, "..", "..", "node_modules", "exceljs"));

const siteDir = path.join(
  __dirname,
  "..",
  "configs",
  "production",
  "site-504322_【デモ版】②問い合わせ内容管理"
);

const siteSettingsRaw = JSON.parse(
  fs.readFileSync(
    path.join(siteDir, "sitesettings", "site-504322_latest.json"),
    "utf8"
  )
);
const siteSettings =
  siteSettingsRaw.Response.Data.SiteSettings || siteSettingsRaw.Response.Data;
const columns = siteSettings.Columns || [];

const processes = JSON.parse(
  fs.readFileSync(path.join(siteDir, "processes.json"), "utf8")
);

const labelMap = new Map();
columns.forEach((c) => {
  if (c.ColumnName && c.LabelText) labelMap.set(c.ColumnName, c.LabelText);
});

// [ColumnName] → [表示名] に変換。辞書にない([Url]や固定文字列等)はそのまま。
function toLabel(text) {
  if (!text) return "";
  return text.replace(/\[([A-Za-z0-9]+)\]/g, (m, name) => {
    return labelMap.has(name) ? `[${labelMap.get(name)}]` : m;
  });
}

const rows = [];
processes.forEach((p) => {
  const n = (p.Notifications || [])[0];
  if (!n) return;
  rows.push({
    process: p.DisplayName || p.Name,
    from: `${p.CurrentStatus} → ${p.ChangedStatus}`,
    subject: toLabel(n.Subject),
    to: toLabel(n.Address) || "（なし）",
    cc: toLabel(n.CcAddress) || "（なし）",
    bcc: toLabel(n.BccAddress) || "（なし）",
    body: toLabel(n.Body),
  });
});

// ChoicesTextがUsersテーブル参照（[[Users*]] 全件、または TableName:"Users" の絞込参照）のカラム
// = メール宛先に指定できる項目
const usersStarColumns = columns.filter(
  (c) =>
    typeof c.ChoicesText === "string" &&
    (c.ChoicesText.replace(/\s/g, "").includes("[[Users*]]") ||
      /"TableName"\s*:\s*"Users"/.test(c.ChoicesText))
);

function usersFilterNote(c) {
  if (c.ChoicesText.replace(/\s/g, "").includes("[[Users*]]")) return "全ユーザー対象";
  const notes = [];
  if (/"DeptId"\s*:\s*"\[\\"25\\"\]"/.test(c.ChoicesText)) notes.push("部署ID25（積算担当）に絞込");
  if (/"UserId"\s*:\s*"=\[@Class153\]"/.test(c.ChoicesText)) notes.push(`[${labelMap.get("Class153") || "Class153"}] を参照して絞込`);
  if (/"Disabled"\s*:\s*"false"/.test(c.ChoicesText)) notes.push("有効ユーザーのみ");
  return notes.length ? notes.join("／") : "Usersテーブル参照（絞込条件あり）";
}

async function main() {
  const wb = new ExcelJS.Workbook();
  wb.creator = "野木 健一郎";
  wb.created = new Date();

  // 転置レイアウト: A列=項目名、B列以降=各プロセス
  const ws1 = wb.addWorksheet("504322_プロセス通知メール仕様", {
    views: [{ state: "frozen", xSplit: 1, ySplit: 1 }],
  });

  const itemLabels = ["ステータス遷移", "件名", "宛先(To)", "CC", "BCC", "本文"];
  const itemKeys = ["from", "subject", "to", "cc", "bcc", "body"];

  ws1.getColumn(1).width = 14;
  rows.forEach((_, i) => {
    ws1.getColumn(i + 2).width = 32;
  });

  const headerRow = ws1.addRow(["プロセス名", ...rows.map((r) => r.process)]);
  headerRow.font = { bold: true };
  headerRow.fill = {
    type: "pattern",
    pattern: "solid",
    fgColor: { argb: "FFD9E1F2" },
  };
  headerRow.alignment = { vertical: "middle", horizontal: "center" };

  itemLabels.forEach((label, i) => {
    const key = itemKeys[i];
    const row = ws1.addRow([label, ...rows.map((r) => r[key])]);
    row.alignment = { vertical: "top", wrapText: true };
    row.getCell(1).font = { bold: true };
    row.getCell(1).fill = {
      type: "pattern",
      pattern: "solid",
      fgColor: { argb: "FFF2F2F2" },
    };
  });

  const ws2 = wb.addWorksheet("メール宛先指定可能項目(Users_)", {
    views: [{ state: "frozen", ySplit: 1 }],
  });
  ws2.columns = [
    { header: "項目名", key: "label", width: 26 },
    { header: "複数選択", key: "multi", width: 12 },
    { header: "初期値", key: "default", width: 14 },
    { header: "備考", key: "note", width: 55 },
  ];
  ws2.getRow(1).font = { bold: true };
  ws2.getRow(1).fill = {
    type: "pattern",
    pattern: "solid",
    fgColor: { argb: "FFD9E1F2" },
  };
  ws2.getRow(1).alignment = { vertical: "middle", horizontal: "center" };
  usersStarColumns.forEach((c) => {
    const notes = [usersFilterNote(c)];
    if (c.Hide) notes.push("画面非表示項目");
    ws2.addRow({
      label: `[${c.LabelText}]`,
      multi: c.MultipleSelections ? "○" : "",
      default:
        c.DefaultInput === "[[Self]]"
          ? "自分自身"
          : c.DefaultInput
          ? c.DefaultInput
          : "",
      note: notes.join("／"),
    });
  });

  [ws1, ws2].forEach((ws) => {
    ws.eachRow((row) => {
      row.eachCell((cell) => {
        cell.border = {
          top: { style: "thin", color: { argb: "FFBFBFBF" } },
          left: { style: "thin", color: { argb: "FFBFBFBF" } },
          bottom: { style: "thin", color: { argb: "FFBFBFBF" } },
          right: { style: "thin", color: { argb: "FFBFBFBF" } },
        };
      });
    });
  });

  const outPath = path.join(
    __dirname,
    "site-504322_プロセス通知メール仕様.xlsx"
  );
  await wb.xlsx.writeFile(outPath);
  console.log("[OK] 保存しました:", outPath);
  console.log("Users*項目件数:", usersStarColumns.length);
}

main().catch((e) => {
  console.error(e);
  process.exit(1);
});