import uk.co.nickthecoder.foocad.extras.v1.*
import static uk.co.nickthecoder.foocad.extras.v1.Extras.*
import uk.co.nickthecoder.foocad.smartextrusion.v1.*
import static uk.co.nickthecoder.foocad.smartextrusion.v1.SmartExtrusion.*

class ShelfSupport : Model {

    @Custom( about="Length and diameter of the stem which fits into the drilled hole" )
    var stemSize = Vector2( 5, 10 )

    @Custom( about="The size of flat surface that the shelf rests upon" )
    var flatSize = Vector3( 12, 10, 3 )

    @Custom( about="Adds extra support to the part" )
    var finSize = Vector2( 3, 6 )

    @Custom( about="A thin slice is taken off, which allows the curve to be printed without overhang" )
    var flattern = 0.3

    @Piece
    override fun build() : Shape3d {
        val chamferSize = 0.6

        val flat = Square( flatSize.x, flatSize.y ).centerX().roundAllCorners(1)
            .smartExtrude( flatSize.z )
                .edges( Chamfer(chamferSize) )
            
        val post = Circle( stemSize.x/2 )
            .smartExtrude( stemSize.y + flatSize.y - chamferSize )
            .top( Chamfer( 0.6 ) )
            .bottom( Chamfer( stemSize.x/2-0.1, flatSize.y - chamferSize*2 ) )
            .rotateX(90)
            .bottomTo( - flattern )
            .backTo( flat.back - chamferSize )

        val slice = Cube( 50 ).centerXY()

        val fin = (Triangle( finSize.y + chamferSize + 1, flatSize.y - chamferSize*2 ) -
                Square(50).center().leftTo( finSize.y + chamferSize )
            ).translateY( chamferSize )
            .smartExtrude( finSize.x )
            .rotateY(-90).centerX().bottomTo( flat.top - chamferSize )

        val back = Square( flatSize.x, finSize.x ).centerX()
            .roundAllCorners( 1 )
            .smartExtrude( finSize.y + chamferSize )
                .top( Chamfer(chamferSize) )
            .bottomTo( flat.top - chamferSize )

        return flat + post.intersection( slice ) + fin + back
    }

}