web-page/src/pages/listings/listingsUtils.js

/* 실매물 판정 tier / 금액 포맷 순수 헬퍼 */
const C = { green: '#34d399', yellow: '#f59e0b', red: '#f87171', gray: '#94a3b8' };

export const SAFETY_TIER_META = Object.freeze({
  '안전': { emoji: '🟢', color: C.green },
  '주의': { emoji: '🟡', color: C.yellow },
  '위험': { emoji: '🔴', color: C.red },
  '보류': { emoji: '⚪', color: C.gray },
});

export const VALUATION_TIER_META = Object.freeze({
  '저평가': { emoji: '🟢', color: C.green },
  '시세':   { emoji: '🟡', color: C.yellow },
  '고가':   { emoji: '🔴', color: C.red },
  '보류':   { emoji: '⚪', color: C.gray },
});

export const tierMeta = (kind, tier) => {
  const map = kind === 'valuation' ? VALUATION_TIER_META : SAFETY_TIER_META;
  if (Object.hasOwn(map, tier)) return { ...map[tier], label: tier };
  return { emoji: '⚪', color: C.gray, label: tier ?? '' };
};

export const formatMoney = (manwon) => {
  if (manwon == null || manwon === '') return '-';
  const n = Number(manwon);
  if (Number.isNaN(n)) return '-';
  const eok = Math.floor(n / 10000);
  const rest = n % 10000;
  if (eok > 0 && rest > 0) return `${eok}억 ${rest.toLocaleString('ko-KR')}만`;
  if (eok > 0) return `${eok}억`;
  return `${n.toLocaleString('ko-KR')}만`;
};

export const formatRatio = (ratio) => {
  if (ratio == null) return '-';
  const n = Number(ratio);
  if (Number.isNaN(n)) return '-';
  return `${(n * 100).toFixed(1)}%`;
};