class Portcullis : Item {

    @Attribute
    var requires = ""

    @Attribute
    var dx = 0

    @Attribute
    var dy = 1

    var open = true

    var formattedRequires = ""

    override fun activated() {
        super.activated()
        val preferences = Game.instance.preferences.node( "completed" )

        if ( requires != "" ) {
            for ( req in requires.split(",") ) {
                req = req.trim()
                if (! preferences.getBoolean( req.replace( '/', '.'), false) ) {
                    open = false
                    formattedRequires += ( if (formattedRequires == "") "" else ", ") + format(req)
                }
            }

        }
        
        if (open) {
            replaceAction(
                Delay( 1 ) then
                MoveBy( actor.position, 1, Vector2( dx * gridSize(), dy * gridSize()), Eases.easeInOut )
            )
        }
    }

    fun format( req : String ) : String {
        val index = req.indexOf( "/" )
        if ( index >= 0 ) {
            req = req.substring( 0, index ) + " (" + req.substring( index +1 ) + ")"
        }
        return req.substring( 0, 1 ).toUpperCase() + req.substring( 1 )
    }

    override fun squashable( direction : int ) = open

    override fun canPush( direction : int, speed : int, strength : int ) : boolean {
        if ( formattedRequires != "" ) {
            if ( ! PlayDirector.instance.player.isTalking() ) {
                PlayDirector.instance.player.speak( "Requires : \n${formattedRequires}", 2 )
            }
        }
        return false
    }

}