import static uk.co.nickthecoder.foocad.layout.v1.Layout2d.*
import static uk.co.nickthecoder.foocad.layout.v1.Layout3d.*
import static uk.co.nickthecoder.foocad.changefilament.v1.ChangeFilament.*

/**
    A thin disk to stick onto the bottom of a round plant pot to customise it.

    

    I use it to add birthday greetings.
*/
class PotBase : Model, PostProcessor {
    

    @Custom( required=false )
    var topString = "Happy\nBirthday"

    @Custom( required=false )
    var middleString = ""

    @Custom( required=false )
    var bottomString = "Amanda\n2021"

    @Custom
    var style = TextStyle( BOLD, 8 ).hAlign( CENTER )

    @Custom
    var gap = 0

    @Custom
    var diameter = 94

    @Custom
    var thickness = 1.0

    @Custom
    var thin = 0.4

    @Custom
    var rimWidth = 5
    
    @Custom
    var rimThickness = 2

    @Custom
    var holeCount = 5

    @Custom
    var holeDiameter = 13 // 11

    @Custom
    var holeOffset = 63 / 2

    @Custom( about="Include a pause to change filament, so that the writing is a different colour?" )
    var pause = true



    override fun build() : Shape3d {
        
        val circle = Circle( diameter/2 ).sides( 60 )
        val middleText : Shape2d = if (middleString == "") {
            Square(0)
        } else {
            Text( middleString, style ).centerY()
        }

        val topText = Text( topString, style ).frontTo( middleText.back + gap ).centerX()
        val bottomText = Text( bottomString, style ).backTo( middleText.front - gap ).centerX()
        val rim = (circle - circle.offset( - rimWidth ) ).extrude( rimThickness )

        val hole = Circle( holeDiameter / 2 )
        val holes = if ( holeCount == 1 ) {
            hole
        } else {
            hole.translateX( holeOffset ).repeatAround( holeCount )
        }

        val holedCircle = circle - holes

        return rim +
            holedCircle.extrude(thin).color("Black") +
            (holedCircle - topText - middleText - bottomText).extrude( thickness )
    }

    override fun postProcess(gcode: GCode) {
        if (pause) {
            pauseAtHeight( gcode, thin, "Change Filament" )
        }
    }

}