/Util/TwistLatch.foocad

import uk.co.nickthecoder.foocad.smartextrusion.v1.SmartExtrusion
import static uk.co.nickthecoder.foocad.smartextrusion.v1.SmartExtrusion.*
import static uk.co.nickthecoder.foocad.screws.v2.Screws.*
import uk.co.nickthecoder.foocad.smartextrusion.v1.SmartExtrusion
import static uk.co.nickthecoder.foocad.smartextrusion.v1.SmartExtrusion.*
import static uk.co.nickthecoder.foocad.chamferedextrude.v1.ChamferedExtrude.*

class TwistLatch : Model {

    @Custom
    var latchSize = Vector3( 40, 10, 10 )

    @Custom
    var latchDiameter = 20

    @Custom
    var baseSize = Vector3( 30, 50, 4 )

    @Custom
    var internalRadius = 5

    @Custom
    val knobRadius = 12

    val countersink = Countersink().recess(baseSize.z+1)

    fun latchProfile() = Circle( latchDiameter/2 ) +
            Square( latchSize.x, latchSize.y )
                .centerY()
                .roundAllCorners( latchSize.y / 2-1 )

    @Piece
    fun latch() : Shape3d {
        val holeRadius = 3
        val profile = latchProfile()
        val main = profile.chamferedExtrude( latchSize.z, 2, 1 )
            
        val hole = Circle( holeRadius )
            .extrude( latchSize.z + 0.2 )
        val forBoltAndSpring = Cylinder( 100, internalRadius )
            .bottomTo( latchSize.z )

        val base = base().translateZ(-baseSize.z ).previewOnly()

        val knob = Circle( knobRadius ).sides(6).roundAllCorners(4).rotate(90)
            .smartExtrude(8).scaleBottom(0.8).smartFilletTop(3)
            .bottomTo(main.top)

        val cap = cap().rotateZ(90).mirrorZ().topTo(knob.top+1).previewOnly()

        return main + base + knob - hole- forBoltAndSpring + cap
    }


    @Piece
    fun base() : Shape3d {

        val profile = Square( baseSize.x, baseSize.y )
            .roundAllCorners( 4 )
            .center()
        val base = profile.extrude( baseSize.z )

        val minusProfile = latchProfile().offset(1)

        val highStopProfile = (
                Square( baseSize.x, baseSize.y )
                    .center() -
                Square( baseSize.x, baseSize.y )
                    .translate( -latchSize.y / 2 -1, latchSize.y / 2 -1)
            )
            .roundAllCorners( 4 ) -
            minusProfile
        val highStop = highStopProfile
            .smartExtrude( baseSize.z ).chamferTop(1)
            .bottomTo(base.top) 
            .color("Green")
        println("Stop : ${highStop.size.z} vs ${latchSize.z}" )

        val lowStop = (profile intersection( Square(60) ) -
                minusProfile.rotate(90) -
                minusProfile
            )
            .extrude(2)
            .bottomTo(base.top)
            .color("Green")

        val hole = Cylinder( 100,3).center()

        val countersinks = countersink.translateY( (baseSize.y - latchDiameter)/2 + 3)
            .mirrorY().also()
            .topTo(highStop.top)
            .color("Red")

        //val lowStop = stopProfile.extrude( 1 ).mirrorY().bottomTo(base.top)
        return base + highStop + lowStop - hole - countersinks
    }

    @Piece
    fun cap() : Shape3d {
        return Circle( internalRadius + 3 ).sides(6).roundAllCorners(3) +
            Cylinder( 6, internalRadius - 0.3 ) -
            Cylinder( 6, internalRadius - 1.3 ).translateZ(2)
    }

    override fun build() = latch()
}