# repack coordinates
# Reader - ADIwg JSON V1 to internal data structure

# History:
# 	Stan Smith 2013-11-07 original script
# 	Stan Smith 2013-11-13 added getDimension
#   Stan Smith 2014-05-23 added getLevels
#   Stan Smith 2014-12-15 refactored to handle namespacing readers and writers

module ADIWG
    module Mdtranslator
        module Readers
            module MdJson

                module Coordinates

                    # repack coordinate array into single string for ISO
                    def self.unpack(aCoords)
                        s = ''
                        i = 0
                        coordCount = aCoords.length
                        aCoords.each do |coord|
                            if coord.kind_of?(Array)
                                s = s + unpack(coord)
                            else
                                i += 1
                                s = s + coord.to_s
                                if i < coordCount
                                    s = s + ','
                                end
                                s = s + ' '
                            end
                        end

                        return s
                    end

                    # get the number of dimensions in a coordinate array
                    def self.getDimension(aCoords)
                        if aCoords[0].kind_of?(Array)
                            coordDim = getDimension(aCoords[0])
                        else
                            coordDim = aCoords.length
                        end

                        return coordDim
                    end

                    # get the number of levels in the coordinate array
                    def self.getLevels(aCoords)
                        i = 1
                        if aCoords[0].kind_of?(Array)
                            i = i + getLevels(aCoords[0])
                        end
                        return i
                    end

                end

            end
        end
    end
end