const { log } = console

const differenceBetween = ( x, y ) => x - y
const greater = ( x, y ) => ( x > y ) ? x : y
const takeTheBiggestNumberFrom = ( list ) => list.sort( greater )[ 0 ]

const getFrom = ( list ) => ( {
  the: ( something ) => Math[ something ](...list ),
  yourValues: () => list.join( ', ' )
} )

const maxAndMinNumbers = ( getFromList ) => [
  getFromList.the( 'max' ),
  getFromList.the( 'min' )
]
const difference = ( fromList ) => differenceBetween(...maxAndMinNumbers( fromList ) )

const andShowTheResult = ( getFromList ) => `
  O maior entre os números ${ getFromList.yourValues() } é: ${ getFromList.the( 'max' ) }.
  A diferença entre o maior e o menor (${ getFromList.the( 'min' ) } ) é: ${ difference( getFromList ) }!`

const orShowTheErrorMessage = ( list ) => `

        Verifique os números ${ list },
        o maior não pode ser 0!
        `

const showTheBiggestAndTheDifferenceFrom = (...list ) =>
  ( takeTheBiggestNumberFrom( list ) )
    ? andShowTheResult( getFrom( list ) )
    : orShowTheErrorMessage( list )

log( showTheBiggestAndTheDifferenceFrom( 0, -20 ) )
log( showTheBiggestAndTheDifferenceFrom( 1, 1 ) )
log( showTheBiggestAndTheDifferenceFrom( -10 ) )
log( showTheBiggestAndTheDifferenceFrom( 20, -9 ) )
log( showTheBiggestAndTheDifferenceFrom( 19, 9 ) )
log( showTheBiggestAndTheDifferenceFrom( 19 ) )
log( showTheBiggestAndTheDifferenceFrom( 19, 19 ) )
log( showTheBiggestAndTheDifferenceFrom( 11, 13, 19 ) ) // 19
log( showTheBiggestAndTheDifferenceFrom( 19, 13, 11 ) ) // 19
log( showTheBiggestAndTheDifferenceFrom( 500, 666, 166 ) ) // 19