export function toInteger(value: unknown): number {
  if (typeof value === 'number') return Number.isFinite(value) ? value : 0
  if (typeof value === 'bigint') return Number(value)
  if (typeof value === 'string') {
    const parsed = parseInt(value, 10)
    return Number.isFinite(parsed) ? parsed : 0
  }
  return 0
}

export function toIntegerString(value: unknown): string {
  if (typeof value === 'bigint') return value.toString()
  if (typeof value === 'number') return String(value)
  if (typeof value === 'string') return value
  return '0'
}

export function toIsoString(value: unknown): string {
  if (value instanceof Date) return value.toISOString()
  if (typeof value === 'string' || typeof value === 'number') {
    return new Date(value).toISOString()
  }
  throw new TypeError('Expected a Date-compatible value')
}

export function toDateString(value: unknown): string {
  if (value instanceof Date) return value.toISOString().slice(0, 10)
  return String(value)
}