class Options : PersistentOptions {

    static val instance = Options()

    // Not shown on the options scene.
    @Option( values="None : 0" )
    var chaptersCompleted = 0

    // Not shown on the options scene.
    @Option( values="None : 0" )
    var instalmentsCompleted = 0


    @Option( values = """
        Easy (default) : 0
        Medium : 1
        Hard : 2
    """)
    var hardness = 0

    // Ship and cargo slow down (air resistance)
    @Option( values = """
        None (Hardest) :0.0
        Low (default) : 0.01
        Medium : 0.02
        High (Easiest, but Slow) : 0.03
    """ )
    var drag = 0.01

    // Distance between the ship and its cargo
    @Option( values = """
        Very Short : 100.0
        Short : 120.0
        Medium (default) : 150.0
        Long : 200.0
        Very Long : 250.0
    """ )
    var rodLength = 150.0

    // Should we die, if GoldCargo is destroyed
    @Option( values = """
        Respawn (default) : false
        Die : true
    """ )
    var isGoldVital = false

    // Should we die, if WaterCargo is destroyed
    @Option( values = """
        Respawn (default) : false
        Die : true
    """ )
    var isWaterVital = false

    // Always -ve for an attractive force.
    @Option( values = """
        Off : 0
        Low (default) : -1000
        Medium : -2000
        High : -4000
    """ )
    var magneticStrength = -1000.0

    @Option( values = """
        Off (default) : 0
        From Ceilings : 1
        From Ceilings and Domes : 2
    """ )
    var moreAcid = 0

    @Option( values = """
        Off (default) : 0
        Must Enter Slowly : -3
        Must Enter Quickly : 5
        Must Enter Very Quickly : 10
    """ )
    var faultyGate = 0 // -ve => Must enter slowly +ve => Must enter quickly 0 => Any speed is okay.

    @Option( values = """
        Off (Sensible) : 0
        Sea Sick (Bucket on Standby) : 1
        Bed Spin : 2
        Bad Bed Spin : 3
        Vertigo : 4
    """ )
    var nausia = 0 // See Play.createNausiaAction for details.

    @Option( values = """
        Off (default) : 0
        Small : 3
        Medium : 6
        Large (Harest) : 9
    """ )
    var dangerZone = 0 // The scale of "explosion" emitted by the Gate when cargo is sent. 


    @Option( values = """
        No : false
        Yes : true
    """)
    var isFullScreen = false

    init {
        rememberDefaultValues()
    }

    override fun toString() = """Options :
    chaptersCompleted=$chaptersCompleted instalmentsCompleted=$instalmentsCompleted
    drag : $drag rodLength $rodLength
    magneticStrength=$magneticStrength moreAcid=$moreAcid nausia=$nausia
    dangerZone=$dangerZone isFullScreen=$isFullScreen
"""

}

class OptionsDirector : Menu {

    override fun begin() {
        super.begin()
        Options.instance.initialiseControls()
    }

    override fun ending() {
        Options.instance.readControls()
        Options.instance.save()
        super.begin()
    }

    override fun message( message : String ) {
        if (message == "resetOptions" ) {
            Options.instance.reset()
        }
    }

}