var Integer Lastlight
var Integer Dimmstep = 5
var Timer timer

rule "Whz ON"
when
    Item HueDimmerSwitch received update 1002
then
    Whz_licht.sendCommand(ON)
    Lastlight = 0
end
rule "Whz Off"
when
    Item HueDimmerSwitch received update 4002
then
    Whz_licht.sendCommand(OFF)
    Lastlight = 0
end

rule "Whz Ambiente ON"
when
    Item HueDimmerSwitch received update 1003
then
    Wohnzimmer_Ambiente.sendCommand(ON)
    Lastlight = 1
end
rule "Whz Ambiente Off"
when
    Item HueDimmerSwitch received update 4003
then
    Wohnzimmer_Ambiente.sendCommand(OFF)
    Lastlight = 1
end

rule "Dim Down"
when
    Item HueDimmerSwitch received update 3000
then
    logInfo("Light", "Start Dim Down")
    timer = createTimer(now.plusMillis(800), [|

        var dimmstate = (HueDimmerSwitch.state as DecimalType).intValue
        if(Lastlight == 0 && dimmstate == 3001){
            var PercentType currentState = Whz_Dimmer.getStateAs(PercentType)
            var PercentType bright
            if(currentState.intValue > 5 ) {
                bright = new PercentType(currentState.intValue - Dimmstep)
            } else if (currentState.intValue < 6 ){
                bright = new PercentType(1)
            }

            sendCommand(Whz_Dimmer, bright as Number)
            logInfo("Light", "Dim Down")
            timer.reschedule(now)
        } else if(Lastlight == 1 && dimmstate == 3001){
            var PercentType currentState = Wohnzimmer_Ambiente.getStateAs(PercentType)
            var PercentType bright
            if(currentState.intValue > 5 ) {
                bright = new PercentType(currentState.intValue - Dimmstep)
            }
            else if (currentState.intValue < 6 ){
                bright = new PercentType(1)
            }

            sendCommand(Wohnzimmer_Ambiente, bright as Number)
            logInfo("Light", "Dim Down")
            timer.reschedule(now)
        } else if(dimmstate == 3000 && timer !== null){
            logInfo("Light", "wait")
            timer.reschedule(now)
        }
    ])
end

rule "Dim Up"
when
    Item HueDimmerSwitch received update 2000
then
    logInfo("Light", "Start Dim Up")
    timer = createTimer(now.plusMillis(800), [|

        var dimmstate = (HueDimmerSwitch.state as DecimalType).intValue
        if(Lastlight == 0 && dimmstate == 2001){
            var PercentType currentState = Whz_Dimmer.getStateAs(PercentType)
            var PercentType bright
            if(currentState.intValue < 95 ) {
                bright = new PercentType(currentState.intValue + Dimmstep)
            } else if (currentState.intValue > 94 ){
                bright = new PercentType(100)
            }

            sendCommand(Whz_Dimmer, bright as Number)
            logInfo("Light", "Dim Up")
            timer.reschedule(now)
        } else if(Lastlight == 1 && dimmstate == 2001){
            var PercentType currentState = Wohnzimmer_Ambiente.getStateAs(PercentType)
            var PercentType bright
            if(currentState.intValue < 95 ) {
                bright = new PercentType(currentState.intValue + Dimmstep)
            }
            else if (currentState.intValue > 94 ){
                bright = new PercentType(100)
            }

            sendCommand(Wohnzimmer_Ambiente, bright as Number)
            logInfo("Light", "Dim Up")
            timer.reschedule(now)
        } else if(dimmstate == 2000 && timer !== null){
            logInfo("Light", "wait")
            timer.reschedule(now)
        }
    ])
end

rule "Dim up one step"
when
    Item HueDimmerSwitch received update 2002
then
    logInfo("Light", "Start Dim Up one step")
        if(Lastlight == 0){
            var PercentType currentState = Whz_Dimmer.getStateAs(PercentType)
            var PercentType bright
            if(currentState.intValue < 95 ) {
                bright = new PercentType(currentState.intValue + Dimmstep)
            } else if (currentState.intValue > 94 ){
                bright = new PercentType(100)
            }

            sendCommand(Whz_Dimmer, bright as Number)
            logInfo("Light", "Dim Up")
        } else if(Lastlight == 1){
            var PercentType currentState = Wohnzimmer_Ambiente.getStateAs(PercentType)
            var PercentType bright
            if(currentState.intValue < 95 ) {
                bright = new PercentType(currentState.intValue + Dimmstep)
            }
            else if (currentState.intValue > 94 ){
                bright = new PercentType(100)
            }
            sendCommand(Wohnzimmer_Ambiente, bright as Number)
            logInfo("Light", "Dim Up")
        }
end

rule "Dim down one step"
when
    Item HueDimmerSwitch received update 3002
then
    logInfo("Light", "Start Dim down one step")
        if(Lastlight == 0){
            var PercentType currentState = Whz_Dimmer.getStateAs(PercentType)
            var PercentType bright
            if(currentState.intValue > 4 ) {
                bright = new PercentType(currentState.intValue - Dimmstep)
            } else if (currentState.intValue < 5 ){
                bright = new PercentType(1)
            }

            sendCommand(Whz_Dimmer, bright as Number)
            logInfo("Light", "Dim down")
        } else if(Lastlight == 1){
            var PercentType currentState = Wohnzimmer_Ambiente.getStateAs(PercentType)
            var PercentType bright
            if(currentState.intValue > 4 ) {
                bright = new PercentType(currentState.intValue - Dimmstep)
            }
            else if (currentState.intValue < 5 ){
                bright = new PercentType(1)
            }
            sendCommand(Wohnzimmer_Ambiente, bright as Number)
            logInfo("Light", "Dim down")
        }
end

rule "cancel Timer"
when
    Item HueDimmerSwitch received update 2003 or
    Item HueDimmerSwitch received update 2004 or
    Item HueDimmerSwitch received update 3003 or
    Item HueDimmerSwitch received update 3004
then
    timer.cancel
    timer = null
end