class Countdown : ActionRole {

    var requiredSeconds = 60

    var seconds = requiredSeconds
    var score = 0

    var started = false

    override fun begin() {
        actor.name = "countdown"
        actor.textAppearance.text = ""
        requiredSeconds = Play.instance.seconds
        seconds = requiredSeconds
        super.begin()
    }

    // Called ever second before [requiredSeconds] have ellapsed.
    fun countdown() {
        seconds --
        score ++
        actor.textAppearance.text = "$seconds"
    }

    // Called ever second after [requiredSeconds] have ellapsed.
    fun countup() {
        seconds ++
        score ++
        actor.textAppearance.text = "Score : $score"
        if (score == requiredSeconds * 3) {
            actor.event( "bonus" )
        }
        if (score == Play.instance.highScore) {
            actor.event( "bonus" )
        }
    }

    fun completed() {
        DodgeEm.instance.unlockScene( Play.instance.nextScene )
        actor.event("unlocked")
    }

    fun realStart() {
        replaceAction (
            // Count down to zero
            (Delay( 1 ) thenOnce this:>countdown).repeat( requiredSeconds ) thenOnce
            this:>completed then
            // Count upwards
            ( Delay( 1 ) thenOnce this:>countup ).forever()
        )
        
    }

    fun stop() {
        replaceAction( Delay( 1 ) )
    }
}