# ISO <<Class>> MD_Georectified
# 19115-2 writer output in XML

# History:
#  Stan Smith 2018-04-09 add error and warning messaging
# 	Stan Smith 2016-12-08 original script.

require_relative '../iso19115_2_writer'
require_relative 'class_grid'
require_relative 'class_point'

module ADIWG
   module Mdtranslator
      module Writers
         module Iso19115_2

            class MD_Georectified

               def initialize(xml, hResponseObj)
                  @xml = xml
                  @hResponseObj = hResponseObj
                  @NameSpace = ADIWG::Mdtranslator::Writers::Iso19115_2
               end

               def writeXML(hGeoRec)

                  # classes used
                  gridClass = Grid.new(@xml, @hResponseObj)
                  pointClass = Point.new(@xml, @hResponseObj)

                  @xml.tag!('gmd:MD_Georectified') do

                     # georectified - add grid info
                     hGrid = hGeoRec[:gridRepresentation]
                     gridClass.writeXML(hGrid, 'georectified representation')

                     # georectified - checkpoint availability
                     s = hGeoRec[:checkPointAvailable]
                     @xml.tag!('gmd:checkPointAvailability') do
                        @xml.tag!('gco:Boolean', s)
                     end

                     # georectified - checkpoint description
                     s = hGeoRec[:checkPointDescription]
                     unless s.nil?
                        @xml.tag!('gmd:checkPointDescription') do
                           @xml.tag!('gco:CharacterString', s)
                        end
                     end
                     if s.nil? && @hResponseObj[:writerShowTags]
                        @xml.tag!('gmd:checkPointDescription')
                     end

                     # georectified - corner points (required)
                     # note: 2 - 4 points are required, but XSD only allows 1
                     # ... coordinates are flattened into one multi-dimensional point
                     aCoords = hGeoRec[:cornerPoints]
                     unless aCoords.empty?
                        aCoords = aCoords.flatten
                        hPoint = {}
                        hPoint[:type] = 'Point'
                        hPoint[:coordinates] = aCoords
                        @xml.tag!('gmd:cornerPoints') do
                           pointClass.writeXML(hPoint, {}, nil)
                        end
                     end
                     if aCoords.empty?
                        @NameSpace.issueWarning(170, 'gmd:cornerPoints', 'spatial representation')
                     end

                     # georectified - center point
                     aCoords = hGeoRec[:centerPoint]
                     unless aCoords.empty?
                        hPoint = {}
                        hPoint[:type] = 'Point'
                        hPoint[:coordinates] = aCoords
                        @xml.tag!('gmd:centerPoint') do
                           pointClass.writeXML(hPoint, {}, nil)
                        end
                     end
                     if aCoords.empty? && @hResponseObj[:writerShowTags]
                        @xml.tag!('gmd:centerPoint')
                     end

                     # georectified - point in pixel (required)
                     s = hGeoRec[:pointInPixel]
                     if s.nil?
                        @NameSpace.issueWarning(171, 'gmd:pointInPixel', 'spatial representation')
                     else
                        @xml.tag!('gmd:pointInPixel') do
                           @xml.tag!('gmd:MD_PixelOrientationCode', s)
                        end
                     end

                     # georectified - transformation dimension description
                     s = hGeoRec[:transformationDimensionDescription]
                     unless s.nil?
                        @xml.tag!('gmd:transformationDimensionDescription') do
                           @xml.tag!('gco:CharacterString', s)
                        end
                     end
                     if s.nil? && @hResponseObj[:writerShowTags]
                        @xml.tag!('gmd:transformationDimensionDescription')
                     end

                     # georectified - transformation dimension mapping
                     s = hGeoRec[:transformationDimensionMapping]
                     unless s.nil?
                        @xml.tag!('gmd:transformationDimensionMapping') do
                           @xml.tag!('gco:CharacterString', s)
                        end
                     end
                     if s.nil? && @hResponseObj[:writerShowTags]
                        @xml.tag!('gmd:transformationDimensionMapping')
                     end

                  end # gmd:MD_Georectified tag
               end # writeXML
            end # MD_Georectified class

         end
      end
   end
end