/** 把接口里的金额（number / 数字字符串 / Prisma Decimal 残影）转成有限数字 */
export function toMoneyNumber(value: unknown): number {
  if (typeof value === 'number') return Number.isFinite(value) ? value : 0;
  if (typeof value === 'string' && value.trim()) {
    const n = Number(value);
    return Number.isFinite(n) ? n : 0;
  }
  if (value && typeof value === 'object') {
    const o = value as { toNumber?: () => number; toString?: () => string; d?: unknown };
    if (typeof o.toNumber === 'function') {
      const n = Number(o.toNumber());
      if (Number.isFinite(n)) return n;
    }
    if (typeof o.toString === 'function' && o.toString !== Object.prototype.toString) {
      const n = Number(o.toString());
      if (Number.isFinite(n)) return n;
    }
  }
  return 0;
}

export function formatMoney(n: number) {
  return toMoneyNumber(n).toLocaleString('zh-CN', {
    minimumFractionDigits: 2,
    maximumFractionDigits: 2,
  });
}