Public/Users/Remove-JCUser.ps1

function Remove-JCUser () {
    [CmdletBinding(DefaultParameterSetName = 'Username')]

    param
    (
        [Parameter(Mandatory,
            ParameterSetName = 'Username',
            ValueFromPipelineByPropertyName,
            Position = 0,
            HelpMessage = 'The Username of the JumpCloud user you wish to remove.')]
        [String] $Username,

        [Parameter(Mandatory,
            ParameterSetName = 'UserID',
            ValueFromPipelineByPropertyName,
            HelpMessage = 'The _id of the User which you want to delete.
To find a JumpCloud UserID run the command:
PS C:\> Get-JCUser | Select username, _id
The UserID will be the 24 character string populated for the _id field.
UserID has an Alias of _id. This means you can leverage the PowerShell pipeline to populate this field automatically.'
)]

        [Alias('_id')]
        [String] $UserID,

        [Parameter(ParameterSetName = 'UserID',
            HelpMessage = 'Use the -ByID parameter when the UserID is passed over the pipeline to the Remove-JCUser function. The -ByID SwitchParameter will set the ParameterSet to ''ByID'' which will increase the function speed and performance.')]
        [Switch]
        $ByID,

        [Parameter(HelpMessage = 'A SwitchParameter which suppresses the warning message when removing a JumpCloud User.')]
        [Switch]
        $force
    )

    begin {
        Write-Debug 'Verifying JCAPI Key'
        if ([System.String]::IsNullOrEmpty($JCAPIKEY)) {
            Connect-JConline
        }

        Write-Debug 'Populating API headers'
        $hdrs = @{

            'Content-Type' = 'application/json'
            'Accept'       = 'application/json'
            'X-API-KEY'    = $JCAPIKEY

        }

        if ($JCOrgID) {
            $hdrs.Add('x-org-id', "$($JCOrgID)")
        }

        $deletedArray = @()

        if ($PSCmdlet.ParameterSetName -eq 'Username' ) {
            $UserHash = Get-DynamicHash -Object User -returnProperties username
            $UserCount = ($UserHash).Count
            Write-Debug "Populated UserHash with $UserCount users"
        }

    }
    process {
        if ($PSCmdlet.ParameterSetName -eq 'Username' ) {
            if ($UserHash.Values.username -contains ($Username)) {
                $UserID = $UserHash.GetEnumerator().Where({ $_.Value.username -contains ($Username) }).Name
            } else {
                Throw "Username does not exist. Run 'Get-JCUser | Select-Object username' to see a list of all your JumpCloud users."
            }
        }

        if ($PSCmdlet.ParameterSetName -eq 'UserID' ) {
            $Username = $UserID
        }

        if (!$force) {
            try {
                $URI = "$JCUrlBasePath/api/systemusers/$UserID"
                Write-Warning "Are you sure you wish to delete user: $Username ?" -WarningAction Inquire
                $delete = Invoke-RestMethod -Method Delete -Uri $URI -Headers $hdrs -UserAgent:(Get-JCUserAgent)
                $Status = 'Deleted'
            } catch {
                $Status = $_.ErrorDetails
            }

            $FormattedResults = [PSCustomObject]@{
                'User'    = $Username
                'Results' = $Status
            }

            $deletedArray += $FormattedResults

        }

        if ($force) {
            try {
                $URI = "$JCUrlBasePath/api/systemusers/$UserID"
                $delete = Invoke-RestMethod -Method Delete -Uri $URI -Headers $hdrs -UserAgent:(Get-JCUserAgent)
                $Status = 'Deleted'
            } catch {
                $Status = $_.ErrorDetails
            }

            $FormattedResults = [PSCustomObject]@{
                'User'    = $Username
                'Results' = $Status
            }

            $deletedArray += $FormattedResults

        }


    }

    end {

        return $deletedArray

    }

}