/**
 * 公開サイト — 賃料・金額・面積・敷金礼金の表示（四捨五入しない）
 * list.js / search.js / detail.js と PHP rssg_pd_* / rssg_blc_* と同一方針。
 */
(function (root, factory) {
  if (typeof module === 'object' && module.exports) {
    module.exports = factory();
  } else {
    root.PropertyDisplayFormat = factory();
  }
})(typeof globalThis !== 'undefined' ? globalThis : this, function () {
  'use strict';

  /** 保存値 → 整数円（1.95 → 19500, 19500 → 19500）。表示用の丸めはしない */
  function normalizeRentYen(rawRent) {
    if (rawRent === null || rawRent === undefined || rawRent === '') return 0;
    var str = String(rawRent).trim().replace(/[,，]/g, '');
    if (/^\d+(\.\d+)?$/.test(str)) {
      var parts = str.split('.');
      var whole = parseInt(parts[0], 10);
      if (!Number.isFinite(whole) || whole <= 0) return 0;
      var n = Number(str);
      if (!Number.isFinite(n) || n <= 0) return 0;
      while (n >= 100000000) n = n / 10000;
      if (n >= 1000) return Math.trunc(n);
      if (str.indexOf('.') >= 0 && n < 1000) {
        var frac = (parts[1] || '').replace(/\D/g, '').padEnd(4, '0').slice(0, 4);
        return whole * 10000 + (parseInt(frac, 10) || 0);
      }
      if (n % 1 !== 0) return Math.trunc(n * 10000);
      if (n >= 1 && n < 1000) return Math.trunc(n * 10000);
      return 0;
    }
    var n = Number(rawRent);
    if (!Number.isFinite(n) || n <= 0) return 0;
    while (n >= 100000000) n = n / 10000;
    if (n >= 1000) return Math.trunc(n);
    if (n % 1 !== 0) return Math.trunc(n * 10000);
    if (n >= 1 && n < 1000) return Math.trunc(n * 10000);
    return 0;
  }

  /** 整数円 → 万円/円（19500 → 1.95万円, 9500 → 9,500円） */
  function formatYenDisplayFromIntegerYen(yen) {
    var n = Math.trunc(yen);
    if (!Number.isFinite(n) || n <= 0) return '';
    if (n < 10000) return n.toLocaleString('ja-JP') + '円';
    var whole = Math.trunc(n / 10000);
    var frac = n % 10000;
    if (frac === 0) return whole + '万円';
    var fracStr = String(frac).padStart(4, '0').replace(/0+$/, '');
    return whole + '.' + fracStr + '万円';
  }

  function formatRentManYen(rawRent) {
    var yen = normalizeRentYen(rawRent);
    if (yen <= 0) return '要確認';
    return formatYenDisplayFromIntegerYen(yen);
  }

  function formatRentManYenFromNorm(yenNorm) {
    if (!Number.isFinite(yenNorm) || yenNorm <= 0) return '要確認';
    return formatYenDisplayFromIntegerYen(yenNorm);
  }

  function formatRentCommaYenFromNorm(yenNorm) {
    if (!Number.isFinite(yenNorm) || yenNorm <= 0) return '—';
    return formatYenDisplayFromIntegerYen(yenNorm);
  }

  /** 管理費・共益費（整数円 → 9,500円） */
  function formatMgmtFeeYenDisplay(raw) {
    if (raw === null || raw === undefined || raw === '') return '';
    var s = String(raw).trim();
    if (!s) return '';
    if (/^(?:なし|無し|無|ナシ|0|０|0円)$/u.test(s.replace(/\s+/g, ''))) return '0円';
    var yen = normalizeRentYen(raw);
    if (yen > 0) return yen.toLocaleString('ja-JP') + '円';
    if (/^\d+(\.\d+)?$/.test(s.replace(/[,，]/g, ''))) {
      var n = Number(s.replace(/[,，]/g, ''));
      if (Number.isFinite(n) && n > 0) return Math.trunc(n).toLocaleString('ja-JP') + '円';
    }
    return s;
  }

  /** 小数末尾ゼロ除去（表示用。丸めは toFixed の桁指定のみ） */
  function trimDecimalString(n, maxDec) {
    var d = typeof maxDec === 'number' ? maxDec : 6;
    if (!Number.isFinite(n)) return '';
    return n.toFixed(d).replace(/\.?0+$/, '');
  }

  /** 金額（円）÷ 賃料 → Nヶ月（1.5ヶ月等を丸めない） */
  function formatMonthsFromYenAmount(amountYen, rentYen) {
    var a = Number(amountYen);
    var r = Number(rentYen);
    if (!Number.isFinite(a) || a <= 0) return '—';
    if (!Number.isFinite(r) || r <= 0) return Math.trunc(a).toLocaleString('ja-JP') + '円';
    return trimDecimalString(a / r, 6) + 'ヶ月';
  }

  function normalizeMonthLabelString(value) {
    if (value === null || value === undefined || value === '') return '0ヶ月';
    if (typeof value === 'object') {
      var raw = value.raw != null ? value.raw : '';
      var lbl = value.label != null ? value.label : '';
      var txt = value.text != null ? value.text : '';
      var val = value.value != null ? value.value : '';
      if (raw !== null && raw !== undefined && String(raw).trim() !== '') return normalizeMonthLabelString(raw);
      if (val !== null && val !== undefined && String(val).trim() !== '') return normalizeMonthLabelString(val);
      if (lbl !== null && lbl !== undefined && String(lbl).trim() !== '') return normalizeMonthLabelString(lbl);
      if (txt !== null && txt !== undefined && String(txt).trim() !== '') return normalizeMonthLabelString(txt);
      return '0ヶ月';
    }
    var s = String(value).replace(/[　\s]+/g, '').trim();
    if (!s || s === '0' || s === '0円') return '0ヶ月';
    if (/^(?:なし|無し|無|不要|ゼロ|ナシ)$/i.test(s)) return '0ヶ月';
    s = s.replace(/ヵ月/g, 'ヶ月').replace(/ケ月/g, 'ヶ月');
    if (s.indexOf('ヶ月') >= 0) return s;
    if (s.indexOf('か月') >= 0) return s.replace(/か月/g, 'ヶ月');
    if (s.indexOf('月') >= 0 && s.indexOf('円') < 0) return s;
    if (/^\d+(\.\d+)?$/.test(s)) return s + 'ヶ月';
    return s;
  }

  /** 一覧・検索：敷金・礼金（0 / なし → 0ヶ月、小数ヶ月は丸めない） */
  function formatDepositKeyListDisplay(value, rentYenNorm) {
    if (value === null || value === undefined || value === '') return '0ヶ月';
    if (typeof value === 'object') {
      var rawO = value.raw;
      var lblO = value.label;
      var txtO = value.text;
      var valO = value.value;
      if (rawO !== null && rawO !== undefined && String(rawO).trim() !== '') return formatDepositKeyListDisplay(rawO, rentYenNorm);
      if (valO !== null && valO !== undefined && String(valO).trim() !== '') return formatDepositKeyListDisplay(valO, rentYenNorm);
      if (lblO !== null && lblO !== undefined && String(lblO).trim() !== '') return formatDepositKeyListDisplay(lblO, rentYenNorm);
      if (txtO !== null && txtO !== undefined && String(txtO).trim() !== '') return formatDepositKeyListDisplay(txtO, rentYenNorm);
      return '0ヶ月';
    }
    if (typeof value === 'number') {
      if (!Number.isFinite(value) || value <= 0) return '0ヶ月';
      var rN = Number(rentYenNorm);
      if (Number.isFinite(rN) && rN > 0 && value >= 1000) {
        var out = formatMonthsFromYenAmount(value, rN);
        return out === '—' ? '0ヶ月' : out;
      }
      if (value < 100) return trimDecimalString(value, 6) + 'ヶ月';
      return formatMonthsFromYenAmount(value, rN === '—' ? 0 : rN);
    }
    var s = String(value).replace(/[　\s]+/g, '').trim();
    if (!s || s === '0' || s === '0円') return '0ヶ月';
    if (/^(?:なし|無し|無|不要|ゼロ|ナシ)$/i.test(s)) return '0ヶ月';
    if (/円|万/.test(s)) {
      var cleaned = s.replace(/[,，]/g, '').replace(/円/g, '').trim();
      var numFromWan = cleaned.match(/(\d+(?:\.\d+)?)\s*万/);
      var numPlain = cleaned.match(/(\d+(?:\.\d+)?)/);
      var yenNum = NaN;
      if (numFromWan) yenNum = Number(numFromWan[1]) * 10000;
      else if (numPlain) yenNum = Number(numPlain[1]);
      var r3 = Number(rentYenNorm);
      if (Number.isFinite(yenNum) && yenNum > 0 && Number.isFinite(r3) && r3 > 0) {
        var o2 = formatMonthsFromYenAmount(yenNum, r3);
        return o2 === '—' ? '0ヶ月' : o2;
      }
      if (Number.isFinite(yenNum) && yenNum > 0) return Math.trunc(yenNum).toLocaleString('ja-JP') + '円';
    }
    if (/ヶ月|ヵ月|ケ月|か月/.test(s) || (s.indexOf('月') >= 0 && s.indexOf('円') < 0)) return normalizeMonthLabelString(value);
    if (/^\d+(\.\d+)?$/.test(s)) {
      var num = Number(s);
      if (!Number.isFinite(num) || num <= 0) return '0ヶ月';
      var r2 = Number(rentYenNorm);
      if (Number.isFinite(r2) && r2 > 0 && num >= 1000) {
        var o3 = formatMonthsFromYenAmount(num, r2);
        return o3 === '—' ? '0ヶ月' : o3;
      }
      return normalizeMonthLabelString(value);
    }
    return normalizeMonthLabelString(value);
  }

  /** 物件詳細：空・なし・0 → 0ヶ月 */
  function formatDepositKeyDetailDisplay(amountRaw, rentYen) {
    var s = String(amountRaw == null ? '' : amountRaw).trim();
    var compact = s.replace(/\s+/g, '');
    if (!compact || /^(?:なし|無し|無|ナシ|0|０)$/u.test(compact)) return '0ヶ月';
    if (/^\d+(?:\.\d+)?\s*(?:ヶ月|ケ月|か月|カ月|箇月|ヵ月)分?$/u.test(s)) {
      var m = s.match(/^(\d+(?:\.\d+)?)/);
      if (m && (m[1] === '0' || m[1] === '0.0')) return '0ヶ月';
      return s.replace(/分$/u, '');
    }
    var n = Number(amountRaw);
    if (Number.isFinite(n)) {
      var out = formatDepositKeyListDisplay(n, normalizeRentYen(rentYen));
      return out;
    }
    return formatDepositKeyListDisplay(amountRaw, normalizeRentYen(rentYen));
  }

  function formatAreaSqm(rawArea) {
    if (rawArea === undefined || rawArea === null || rawArea === '') return '';
    var n0 = Number(rawArea);
    var n;
    if (Number.isFinite(n0)) {
      n = n0;
    } else {
      var s = String(rawArea)
        .replace(/[,，]/g, '')
        .replace(/㎡|m²|m2|平米/gi, '')
        .trim();
      var m = s.match(/(\d+(?:\.\d+)?)/);
      n = m ? Number(m[1]) : NaN;
    }
    if (!Number.isFinite(n)) return '';
    return trimDecimalString(n, 4) + '㎡';
  }

  return {
    normalizeRentYen: normalizeRentYen,
    formatYenDisplayFromIntegerYen: formatYenDisplayFromIntegerYen,
    formatRentManYen: formatRentManYen,
    formatRentManYenFromNorm: formatRentManYenFromNorm,
    formatRentCommaYenFromNorm: formatRentCommaYenFromNorm,
    formatMgmtFeeYenDisplay: formatMgmtFeeYenDisplay,
    formatMonthsFromYenAmount: formatMonthsFromYenAmount,
    formatDepositKeyListDisplay: formatDepositKeyListDisplay,
    formatDepositKeyDetailDisplay: formatDepositKeyDetailDisplay,
    formatAreaSqm: formatAreaSqm,
    trimDecimalString: trimDecimalString,
    normalizeMonthLabelString: normalizeMonthLabelString,
  };
});