class CountersinkBitHolder : Model {

    @Custom
    var length = 30

    @Custom
    var thickness = 1.8

    @Custom
    var baseThickness = 0.6

    @Custom
    var gap = 3

    @Custom
    var maxDiameter = 21

    @Custom( lines = 4 )
    var bits = """5 6.3
6 8.3
6 10.4
8 12.4
10 18.5
10 20.5"""


    meth bits() : List<BitInfo> {
        val result = listOf<BitInfo>()
        val lines = bits.split("\n")
        for ( line in lines ) {
            if (line.trim() == "") continue
            try {
                val parts = line.trim().split(" ")
                val diameter = parts[0].parseDouble()
                val text = if (parts.size() > 1) { parts[1] } else { "$diameter" }
                result.add( BitInfo( diameter, text ) )
            } catch (e : Exception) {
                println( "Skipping bit info : '$line'" )
            }
        }
        return result
    }

    meth clip( diameter : double ) : Shape3d {
        val rect = Square( diameter + 2, maxDiameter/2 + baseThickness + diameter*0.2 ).centerX()
        val shape = rect - Circle( diameter/2 ).centerYTo( rect.back - diameter*0.2 )

        val one = shape.extrude(thickness)
            .rotateX(90).bottomTo(0)

        val both = one.translateY(length-thickness).also().centerXY()

        val wall = Cube( thickness, both.size.y, both.size.z ).centerY()
            .rightTo( both.left )
            .leftTo( both.right ).also()

        return both + wall
    }

    meth press( diameter : double ) : Shape3d {
        val rect = Square( diameter + 2, maxDiameter/2 + baseThickness - diameter*0.2 - 1 ).centerX()
        val shape = rect - Circle( diameter/2 ).centerYTo( rect.back + diameter*0.2 + 1 )

        val one = shape.extrude(thickness)
            .rotateX(90).bottomTo(0)

        val both = one.translateY(length-thickness).also().centerXY()

        val wall = Cube( thickness, both.size.y, both.size.z ).centerY()
            .rightTo( both.left )
            .leftTo( both.right ).also()

        return both + wall
    }

    @Piece
    meth clip() = row( true )

    @Piece
    meth press() = row( false )

    meth row( clip : bool ) : Shape3d {
        var row : Shape3d = Cube(0).rightTo(-gap)
        for (bit in bits()) {
            val one = if (clip) {
                clip( bit.diameter )
            } else {
                press( bit.diameter )
            }.leftTo( row.right + gap )
            val txt = Text( bit.text, 8 ).rotate(90).extrude(0.4)
                .color("Green")
                .bottomTo( baseThickness )
                .centerXTo( one.middle.x )
                .centerYTo( one.middle.y )
            row = row + one + txt
        }
        val base = Square( row.size.x - gap, row.size.y ).centerY()
            .extrude( 0.8 )

        return base + row
    }

    override meth build() : Shape3d {
        val clip = clip().color("LightGreen")
        val press = press().rotateX(180).topTo( maxDiameter + baseThickness*2 )

        return clip + press
    }

}

class BitInfo( val diameter : double, val text : String ) {
}