#region keybindings
Set-PSReadlineKeyHandler -Key Tab -Function Complete
Set-PSReadlineKeyHandler -Key Ctrl+d -Function ViExit
#endregion keybindings

function prompt {

    #depending on elevated permissions change the delimiter
    $identity = [Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()
    if($identity.IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")) {
        $delimiter = '#'
    } else {
        $delimiter = '$'
    }

    #shorten path with tilde if possible
    #uses .Replace() to prevent regex
    $cwd = (Get-Location).Path.Replace($HOME,'~')

    '[{0}@{1} {2}]{3} ' -f $env:USERNAME.ToLower(),$env:COMPUTERNAME.ToLower(),$cwd,$delimiter
}



#check for old version
$version = ([String]$PSVersionTable.PSVersion).Substring(0,1)
if($version -lt 7) {
    Write-Host -ForegroundColor Red 'start pwsh instead of powershell'
}