TranslateText.ps1

$Text = @"
Watch out for the dog.
It's angry.
I'm telling you.
You better watch out.
Do you hear me?
Last warning my dude.
You are going to far.
I don't know.
You check.
I couldn't be arse with it.
Now leave, please.
"@

Function TranslateText ([string]$TextToTranslate, [string]$TargetLanguage) {
    <#
    .SYNOPSIS
    Translate text to the specified language.
    The exhaustive languages list is available in $LanguagesList.

    .EXAMPLE
    TranslateText "hello" "es"
    TranslateText $Text "fr"
    #>

    $LanguagesList = @('af','sq','am','ar','hy','az','eu','be','bn','bs','bg','ca','ceb','zh-CN','zh-TW','co','hr','cs','da','nl','en','eo','et','fi','fr','fy','gl','ka','de','el','gu','ht','ha','haw','he','hi','hmn','hu','is','ig','id','ga','it','ja','jv','kn','kk','km','rw','ko','ku','ky','lo','lv','lt','lb','mk','mg','ms','ml','mt','mi','mr','mn','my','ne','no','ny','or','ps','fa','pl','pt','pa','ro','ru','sm','gd','sr','st','sn','sd','si','sk','sl','so','es','su','sw','sv','tl','tg','ta','tt','te','th','tr','tk','uk','ur','ug','uz','vi','cy','xh','yi','yo','zu')
    $PhrasesList = New-Object -TypeName 'System.Collections.ArrayList'

    $Uri = "https://translate.googleapis.com/translate_a/single?client=gtx&sl=auto&tl=$($TargetLanguage)&dt=t&q=$TextToTranslate"

    $RawResponse = (Invoke-WebRequest -Uri $Uri -Method Get).Content
    $RawResponse = $RawResponse -replace '\[','' -replace '\]','' -replace '\"','' -replace '\\r\\n',''
    $RawResponse = $RawResponse -split ',' | foreach {
        If($_ -ne "null" -And (-Not $LanguagesList.Contains($_)) -And $_ -ne "true" -And $_ -notmatch "^[\d\.]+$" -And $_ -notlike "*.md" -And $TextToTranslate -notmatch $_ -And $_ -notmatch "[0123456789abcdef]{$($_.length)}") {
            $PhrasesList.Add($_)
        }
    }

    Return $PhrasesList
}

TranslateText $Text "fr"
#TranslateText "hello" "es"