export const isFiniteNumber = (value: unknown): value is number =>
  typeof value === 'number' && Number.isFinite(value)

export const toFiniteNumberOrNull = (value: unknown): number | null =>
  isFiniteNumber(value) ? value : null

export const parseNumberOrNull = (
  value: unknown,
  options?: { sanitize?: boolean; precision?: number }
): number | null => {
  if (value === '' || value == null) return null

  const normalized =
    options?.sanitize && typeof value === 'string'
      ? value.replace(/[^0-9.\-]/g, '')
      : value

  const numericValue = Number(normalized)
  if (!Number.isFinite(numericValue)) return null

  const precision = options?.precision
  if (typeof precision !== 'number' || !Number.isInteger(precision) || precision < 0) {
    return numericValue
  }

  const factor = 10 ** precision
  if (!Number.isFinite(factor) || factor <= 0) return numericValue
  if (numericValue >= 0) return Math.round((numericValue + Number.EPSILON) * factor) / factor
  return -Math.round((-numericValue + Number.EPSILON) * factor) / factor
}