public class Dishwasher extends Appliance {
    private float basePower = 160.0f;
    private float[] powerStates = {400f, 60f, 130f, 350f};
    private float nextPowerStateIn = 20f;
    private int currentState = -1;

    public Dishwasher(boolean plugged) {
        super(plugged);
    }

    public void step(float seconds, float ventRPM) {
        if (!super.getPowerState()) {
            return;
        }

        nextPowerStateIn -= seconds;

        if (nextPowerStateIn <= 0) {
            nextPowerStateIn += 20f;
            currentState++;
        }

        if (currentState > 3) {
            unplug();
        }
    }
    
    @Override
    public void plug() {
        super.plug();

        currentState = 0;
        nextPowerStateIn = 20f;
    }
    
    @Override
    public void unplug() {
        super.unplug();

        currentState = -1;
    }

    public float getPowerConsumption() {
        if (super.getPowerState()) {
            return powerStates[currentState];
        } else {
            return 0f;
        }
    }
}