class BootsBottleTop : Model {
    
    @Custom
    var capHeight = 3

    @Custom
    var capRadius = 30/2

    @Custom
    var extraHeight = 37

    @Custom
    var bottleRadius = 56/2

    @Custom
    var thickness = 2

    @Custom
    var chamfer = 1.5

    @Custom( lines=3 )
    var text = "SLOE  GIN"

    @Custom
    var fontSize = 24

    fun exterior() : Shape2d {
        return Circle(capRadius + thickness)
    }

    fun around( str : String ) :Shape3d {
        val text = Text( str, BOLD, fontSize).center()
        val drum = ExtrusionBuilder.drum( text.offset(fontSize/30), text.offset(-fontSize/50), 2 )
        val result = drum.aroundCylinder( bottleRadius, true ).color("Red")

        return result.rotateX(90)
    }

    override fun build() : Shape3d {

        val smallest = Circle(capRadius)
        val mid = Circle( bottleRadius - thickness )
        val cham = Circle( bottleRadius - chamfer )
        val outside = Circle( bottleRadius )

        val cap = ExtrusionBuilder().apply {
            forward(capHeight + extraHeight)
            crossSection( smallest ) // Top of cap
            forward( -capHeight )
            crossSection() // Bottom of cap
            crossSection( mid ) // Interior
            forward( -extraHeight )
            crossSection()
            crossSection(cham)
            forward(chamfer)
            crossSection(outside)
            forward(capHeight+extraHeight-chamfer+thickness)
            crossSection() // Top pre-chamfer
            forward(chamfer)
            crossSection(cham) // Top post chamfer
        }.build()

        val text = around(text).translateZ((capHeight+thickness+extraHeight)/2)

        // Flip it upside down, so that the top of the cap is on the print bed.
        return (cap + text).rotateX(180).toOriginZ()
    }
}