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

class SevenSegmentDisplay : Model {
    
    // The number of digits
    @Custom
    var digits = 1

    @Custom
    var includeDecimalPoint = false

    // Width of a digit (not including margins etc).
    @Custom
    var width = 25.0

    @Custom
    var height = 40.0

    // Total thickness.
    // Must be larger than your LED's head height plus the 'back' thickness.
    @Custom
    var thickness = 8.0

    // Thickness of the back of the digits
    // (where the led's legs stick through
    // Use a value of 0 if you don't want a back (for example, if the
    // LEDs are mounted on a circuit board, and this print is placed on top.
    @Custom
    var back=0.9

    // The space around the digits
    var marginX = 2.0

    // The space around the digits
    var marginY = 3.0

    // The gap between digits.
    // If printing a single digit, this has no effect.
    var spacing = 1.0


    fun digitShape() : Shape2d {
        val name = if (includeDecimalPoint) "italic-dot" else "italic"
        return SVGParser().parseFile( "sevenSegmentDisplay.svg" )
            .shapes[name]
            .toOrigin()
            .convexity( 10 )
    }

    fun digit() : Shape3d {
        val shape = digitShape()
        val actualX = (width - marginX*2 - spacing * (digits-1)) / digits
        val actualY = height - marginY*2
        val scaled = shape.scale( actualX / shape.size.x, actualY / shape.size.y )

        val solid = Cube( width, height, thickness )
        val digitHoles = scaled
            .extrude( thickness + back + 1 )
            .tileX(digits,spacing)
            .translate( marginX, marginY, back )

        // I Used this to check the size, to make sure a 3mm LED would fit.
        val debugLED =  Cylinder(6,3/2).sides(10).color("Green")
            .translate(3.9,9,0)

        return solid - digitHoles // + debugLED

    }

    override fun build() : Shape3d {
        return digit()
    }
}