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

class WordSheet : Model, PostProcessor {
    
    // -1 : Three puzzles that help put all the pieces back!
    // 0.. size of a,b,c,d lists : Four puzzles of similar difficulty
    @Custom
    var piece = 0

    var size = 60

    var radius = 5

    var fontSize = 9

    var base = 0.4 // At least 2 layers. I use a layer height of 0.2.

    var textHeight = 0.4 // At least 2 layers especially if changing colours.

    val a = listOf<String>("SPY\nJAR", "PEN\nSAT", "RID\nUTE", "PIE\nWAR")

    val b = listOf<String>("SKY\nWAR", "PIE\nTIN", "KEY\nPAD", "RUN\nAPE")

    val c = listOf<String>("STY\nPAD", "TIP\nDIE", "PET\nSIN", "NUT\nPIE" )

    val d = listOf<String>("RAD\nSET", "PET\nAID", "TIN\nEAR", "TOE\nNAP" )

    val difficulty = listOf<int>( 5, 4, 3, 3 )

    fun txt( str : String ) = Text( str, BOLD, fontSize ).hAlign(CENTER).center().translate( -size/4, -size/4 )

    override fun build() : Shape3d {
        val square = Square( size ).roundAllCorners( radius ).center().color("White")
        val edge = square - Square( size - 1 ).roundAllCorners( radius - 0.5 ).center()


        val top : Shape2d = if (piece == -1) {
            txt("WE SKIT").translate(size/4,4 * size/7) +
            txt("I DO JAR" ).translate(size/4, size/4) +
            txt( "PUNY" ).translate(size/4, -size/14)
        } else {
            txt(a[piece]) +
            txt(b[piece]).rotate(90) +
            txt(c[piece]).rotate(180) +
            txt(d[piece]).rotate(-90)
        }
        
        // Create a difficulty indicator 1..5 squares 5 = very hard 2 = Easy
        val diff = if (piece <0 ) 0 else difficulty[piece]
        val center = Square(2).center().translateX(3).repeatAround( diff, 360/diff )

        return square.extrude( base ) + edge.extrude( base + textHeight ) + 
            top.extrude( base + textHeight ).color("DimGray" ) +
            center.extrude( base + textHeight ).color( "DimGray" )
    }

    override fun postProcess(gcode: GCode) {
        pauseAtHeight( gcode, base, "Change Filament" )
    }
}