class Player : Item {

    var left : Input
    var right : Input
    var up : Input
    var down : Input

    var mainView : StageView
    val pos = Vector2()

    override fun begin() {
        left = findInput("left")
        right = findInput("right")
        up = findInput("up")
        down = findInput("down")
        mainView = findStageView( "main" )
        super.begin()
    }

    override fun isSolid() = false

    override fun isEmpty() = true

    override fun createAction() : Action  {
        return this:>checkInputs.action() and flash()
    }

    fun checkInputs() : bool {
        if (left.isPressed()) tryToMove(-1,0)
        if (right.isPressed()) tryToMove(1,0)
        if (up.isPressed()) tryToMove(0,1)
        if (down.isPressed()) tryToMove(0,-1)
        return false
    }


    fun tryToMove( dx : int, dy : int ) {
        
        val there = look( dx, dy )
        if (there.isSolid()) {

            if (there is Soil) {
                if (Play.instance.blasts > 0) {
                    Play.instance.blasts -= 1
                    there.kill()
                    replaceAction( Delay( 0.25 ) then createAction() )
                } else {
                    actor.event( "cantDig" )
                }
            } else if (there is Ship) {
                if ( Play.instance.canLaunch() ) {
                    actor.die()
                    (there as Ship).launch()
                }
            } else if (there is Blasts || there is Fuel) {
                there.kill()
            }

        } else {
            if (there is Enemy) {
                kill()
            } else {
                there.kill()
                move( dx, dy )
                
                replaceAction( Delay( 0.1 ) then createAction() )
            }
        }
    }

    override fun move( dx : int, dy :int ) {
        super.move(dx, dy)
        adjustView()
    }

    fun adjustView() : bool {
        val worldRect = mainView.worldRect()
        val x = actor.position.x
        val y = actor.position.y
        val margin = 90

        if ( x - worldRect.left < margin ) {
            mainView.worldFocal.x -= 36.0
            return true
        } else if ( worldRect.right - x < margin ) {
            mainView.worldFocal.x += 36.0

            return true
        }

        if ( y - worldRect.bottom < margin ) {
            mainView.worldFocal.y -= 36.0
            return true
        } else if ( worldRect.top - y < margin ) {
            mainView.worldFocal.y += 36.0

            return true
        }
        return false
    }

}