param(
    [Int32]$Wait=0,
    [Parameter(Mandatory=$true)]
    [string]$Services
)

## Wait for the specified amount of time before proceeding
if ( $Wait -gt 0 ) { Start-Sleep -Seconds $Wait }

##Split the list of services so we can process each one
$Services.Split(",") | ForEach {

    ## Get the service's status
    $service = $_
    $status = (Get-Service -Name $service -ErrorAction SilentlyContinue).Status

    ## Make sure the service exists
    if ($status) {
    
        ## Make sure the service isn't currently running
        if ($status -ne "Running") {
        
            ## Try to restart the service
            Write-Host "Restarting ${service}"
            try { Restart-Service -Name $service -Force -ErrorAction Stop }
        
            ## Write any errors to the host
            catch { Write-Host $_ }

        } else { Write-Host "${service} is already running" }

    } else { Write-Host "${service} does not exist" }

}