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

# History:
#  Stan Smith 2018-04-10 add error and warning messaging
#  Stan Smith 2016-12-13 refactored for mdTranslator/mdJson 2.0
#  Stan Smith 2015-07-14 refactored to eliminate namespace globals $WriterNS and $IsoNS
#  Stan Smith 2015-07-14 refactored to make iso19110 independent of iso19115_2 classes
#  Stan Smith 2015-06-22 replace global ($response) with passed in object (hResponseObj)
#  Stan Smith 2015-06-11 change all codelists to use 'class_codelist' method
#  Stan Smith 2014-12-12 refactored to handle namespacing readers and writers
#  Stan Smith 2014-07-08 modify require statements to function in RubyGem structure
# 	Stan Smith 2013-11-01 original script.

require_relative '../iso19115_2_writer'
require_relative 'class_codelist'

module ADIWG
   module Mdtranslator
      module Writers
         module Iso19115_2

            class MD_SecurityConstraints

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

               def writeXML(hConstraint)

                  # classes used
                  codelistClass = MD_Codelist.new(@xml, @hResponseObj)

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

                     # constraints - use limitation []
                     aUse = hConstraint[:useLimitation]
                     aUse.each do |useCon|
                        @xml.tag!('gmd:useLimitation') do
                           @xml.tag!('gco:CharacterString', useCon)
                        end
                     end
                     if aUse.empty? && @hResponseObj[:writerShowTags]
                        @xml.tag!('gmd:useLimitation')
                     end

                     hSecurityCon = hConstraint[:securityConstraint]

                     # security constraints - classification code (required)
                     s = hSecurityCon[:classCode]
                     unless s.nil?
                        @xml.tag!('gmd:classification') do
                           codelistClass.writeXML('gmd', 'iso_classification', s)
                        end
                     end
                     if s.nil?
                        @NameSpace.issueWarning(290, 'gmd:classification')
                     end

                     # security constraints - user note
                     s = hSecurityCon[:userNote]
                     unless s.nil?
                        @xml.tag!('gmd:userNote') do
                           @xml.tag!('gco:CharacterString', s)
                        end
                     end
                     if s.nil? && @hResponseObj[:writerShowTags]
                        @xml.tag!('gmd:userNote')
                     end

                     # security constraints - classification system
                     s = hSecurityCon[:classSystem]
                     unless s.nil?
                        @xml.tag!('gmd:classificationSystem') do
                           @xml.tag!('gco:CharacterString', s)
                        end
                     end
                     if s.nil? && @hResponseObj[:writerShowTags]
                        @xml.tag!('gmd:classificationSystem')
                     end

                     # security constraints - handling description
                     s = hSecurityCon[:handling]
                     unless s.nil?
                        @xml.tag!('gmd:handlingDescription') do
                           @xml.tag!('gco:CharacterString', s)
                        end
                     end
                     if s.nil? && @hResponseObj[:writerShowTags]
                        @xml.tag!('gmd:handlingDescription')
                     end

                  end # MD_SecurityConstraints tag
               end # writeXML
            end # MD_SecurityConstraints class

         end
      end
   end
end