export interface PointKeyInfo {
  description: string
  pointId: string
  unit?: string
  Lower?: string
  Upper?: string
}

export function parsePointKey(key: string | number | undefined | null): PointKeyInfo {
  const safeKey = key !== undefined && key !== null ? String(key) : ''
  const [description = '', pointId = '', unit = '', Lower = '', Upper = ''] = safeKey.split('|')
  return { description, pointId, unit, Lower, Upper }
}

export function buildPointKeyFromInfo(info: Partial<PointKeyInfo>): string {
  const { description = '', pointId = '', unit = '', Lower = '', Upper = '' } = info || {}
  return [description, pointId, unit, Lower, Upper].join('|')
}

export function buildPointTitle(info: PointKeyInfo, fallback: string): string {
  if (info.description && info.pointId)
    return `${info.description} (${info.pointId})`
  if (info.description)
    return info.description
  return fallback
}