OpenHAB - Sekunden als Zeit formatieren

ITEMS:

Number OctoprintPrintTimeLeft "Verbleibende Zeit [%.0f s]" <time> (gOctoprint) {mqtt="<[broker:octoprint/progress/printing:state:JSONPATH($.printer_data.progress.printTimeLeft)]"}
String OctoprintPrintTimeLeftString "Verbleibende Zeit[%s]" <time> (gOctoprint)
DateTime OctoprintPrintETADateTime "ETA [%1$tA, %1$td.%1$tm.%1$tY %1$tH:%1$tM]" <time> (gOctoprint)


RULE:

rule "Time Left String"
when
    Item OctoprintPrintTimeLeft changed
then
    val seconds = (OctoprintPrintTimeLeft.state as DecimalType).intValue
    val int totalMinutes = seconds/60
    val int remainderSecs = seconds%60
    val int totalHours = totalMinutes/60
    val int remainderMins = totalMinutes%60
    val formattedTime = String::format("%02d", totalHours) + ":" + String::format("%02d", remainderMins) + ":" + String::format("%02d", remainderSecs)
    OctoprintPrintTimeLeftString.postUpdate(formattedTime)

    val DateTime OctoprintETA = now.plusSeconds(seconds)
    OctoprintPrintETAString.postUpdate(OctoprintETA.toString)
    OctoprintPrintETADateTime.postUpdate(new DateTimeType(OctoprintETA.toString))

end