import static uk.co.nickthecoder.foocad.along.v2.Along.*
import static uk.co.nickthecoder.foocad.layout.v1.Layout2d.*
import static uk.co.nickthecoder.foocad.layout.v1.Layout3d.*

/**
A simple junction box with three inlets.
*/
class JunctionBox : Model {
    
    var size = Vector2( 60, 45 )
    var depth = 13

    var cableSize = Vector2( 8, 5 )

    var thickness = 0.8

    fun profile() = Square( size ).center().roundAllCorners(5)

    fun rounded( size : Vector2 ) = Square( size ).center()
        .roundAllCorners( Math.min( size.x, size.y ) / 2 )

    @Piece
    fun base() : Shape3d {
        val profile = profile()
        val base = ExtrusionBuilder().apply {
            crossSection( profile )
            forward( depth )
            crossSection()
            crossSection( - thickness )
            forward ( -depth + thickness )
            crossSection()
        }.build()

        val hole = rounded(cableSize).extrude( thickness * 3 )
            .alongX2().center()
            .bottomTo( thickness + 5 )

        val slab = (
            Cube( 7,18, 6 ).centerXY() -
            Cylinder(30,1.5).center().translateY(5).mirrorY().also()
        ).translate(10,0,thickness)
        

        val holes = holes( slab remove hole )

        val post = Cylinder(depth-thickness,3) - Cylinder(depth*3,1.5).center()

        return base and holes and post
    }

    fun holes ( hole : Shape3d ) : Shape3d {
        return hole.mirrorX().translateX(size.x/2).translateY(10).mirrorY().also().withCavities() and
            hole.translateX(-size.x/2)
    }

    @Piece
    fun cover() : Shape3d {
        val profile = profile()
        val cover = profile.extrude(thickness) + (
            profile.offset(-thickness-0.3) - profile.offset( -thickness*2 - 0.3 )
        ).extrude(8)

        val gap = rounded( cableSize + Vector2(3, 3) ).extrude( 20 )
            .alongX2().center()
            .bottomTo( thickness + 2 )
        val gaps = holes( gap ) 

        val hole = Cylinder(10,1.5).center()

        return cover - hole - gaps
    }

    @Piece
    fun bar() = Cube(7,18,2).centerXY() -
        Cylinder(30,1.5).centerXY().translateY(5).bottomTo(0.2).mirrorY().also()

    override fun build() : Shape3d {
        return base() + bar().translateX(size.x/2+4).tileX(3,1) + cover().rightTo(-size.x/2-1)
    }

}