class Countdown : ActionRole() {

    @Attribute( about="The time in seconds to complete this scene" )
    var seconds = 30


    override fun activated() {
        updateText()
    }

    fun go() {
        replaceAction( ( Delay(1.0) thenOnce this:>countdown ).repeat(seconds) thenOnce Play.instance:>timeIsUp )
    }

    fun stop() {
        replaceAction(null)
    }

    fun countdown() {
        seconds--
        updateText()
    }

    fun updateText() {
        actor.textAppearance.text = DollsHouseProducer.timeString(seconds)
    }
}