export const CONTRACT_NATURES = ['CDI', 'CDD', 'INTERIM'] as const

export type ContractNature = (typeof CONTRACT_NATURES)[number]

export const contractNatureLabel = (value?: ContractNature) => {
  if (value === 'CDD') return 'CDD'
  if (value === 'INTERIM') return 'Intérim'
  return 'CDI'
}

export const showsContractEndDate = (nature: ContractNature) => {
  return nature === 'CDD' || nature === 'INTERIM'
}

export const requiresContractEndDate = (nature: ContractNature) => {
  return nature === 'CDD'
}

export const isContractNature = (value: string): value is ContractNature => {
  return (CONTRACT_NATURES as readonly string[]).includes(value)
}