# ISO 19110 <<Class>> FC_FeatureCatalogue
# writer output in XML

# History:
# 	Stan Smith 2013-12-01 original script

require 'class_responsibleParty'
require 'class_featureType'

class FC_FeatureCatalogue

	def initialize(xml)
		@xml = xml
	end

	def writeXML(internalObj)

		# classes used in MD_Metadata
		rPartyClass = CI_ResponsibleParty.new(@xml)
		featureClass = FC_FeatureType.new(@xml)

		intDataDictionary = internalObj[:dataDictionary]
		hDDInfo = intDataDictionary[:dictionaryInfo]
		aEntities = intDataDictionary[:entities]
		hCitation = hDDInfo[:dictCitation]

		$intContactList = internalObj[:contacts]
		$domainList = intDataDictionary[:domains]

		# document head
		@xml.instruct! :xml, encoding: 'UTF-8'
		@xml.comment!('core gfc based instance document for ISO 19110')
		@xml.tag!('gfc:FC_FeatureCatalogue',{'xmlns:gmi' => 'http://www.isotc211.org/2005/gmi',
									'xmlns:gmd' => 'http://www.isotc211.org/2005/gmd',
									'xmlns:gco' => 'http://www.isotc211.org/2005/gco',
									'xmlns:gml' => 'http://www.opengis.net/gml/3.2',
									'xmlns:gsr' => 'http://www.isotc211.org/2005/gsr',
									'xmlns:gss' => 'http://www.isotc211.org/2005/gss',
									'xmlns:gst' => 'http://www.isotc211.org/2005/gst',
									'xmlns:gmx' => 'http://www.isotc211.org/2005/gmx',
									'xmlns:gfc' => 'http://www.isotc211.org/2005/gfc',
									'xmlns:xlink' => 'http://www.w3.org/1999/xlink',
									'xmlns:xsi' => 'http://www.w3.org/2001/XMLSchema-instance',
									'xsi:schemaLocation' => 'http://www.isotc211.org/2005/gfc ftp://ftp.ncddc.noaa.gov/pub/Metadata/Online_ISO_Training/Intro_to_ISO/schemas/ISObio/schema.xsd'}) do

			# feature catalogue information - name - required
			# name is pulled from citation title in data dictionary information section
			s = nil
			if hCitation
				if hCitation[:citTitle]
					s = hCitation[:citTitle]
				end
			end
			if !s.nil?
				@xml.tag!('gmx:name') do
					@xml.tag!('gco:CharacterString', s)
				end
			else
				@xml.tag!('gmx:name', {'gco:nilReason' => 'missing'})
			end

			# feature catalogue information - scope - required []
			# only a single instance is being supported
			s = hDDInfo[:dictResourceType]
			if !s.nil?
				@xml.tag!('gmx:scope') do
					@xml.tag!('gco:CharacterString', s)
				end
			else
				@xml.tag!('gmx:scope', {'gco:nilReason' => 'missing'})
			end

			# feature catalogue information - field of application []
			# only a single instance is being supported
			s = hDDInfo[:dictDescription]
			if !s.nil?
				@xml.tag!('gmx:fieldOfApplication') do
					@xml.tag!('gco:CharacterString', s)
				end
			elsif $showAllTags
				@xml.tag!('gmx:fieldOfApplication')
			end

			# feature catalogue information - version number - required
			# version number is taken from citation citEdition in data dictionary the info section
			s = nil
			if hCitation
				if hCitation[:citEdition]
					s = hCitation[:citEdition]
				end
			end
			if !s.nil?
				@xml.tag!('gmx:versionNumber') do
					@xml.tag!('gco:CharacterString', s)
				end
			else
				@xml.tag!('gmx:versionNumber',{'gco:nilReason' => 'missing'})
			end

			# feature catalogue information - version date - required
			# version number is taken from citation citEdition in data dictionary the info section
			# citation allows an array of citation dates, only one can be used as version date
			vDate = nil
			if hCitation
				if hCitation[:citDate]
					if hCitation[:citDate][0]
						hDate = hCitation[:citDate][0]
						unless hDate.empty?
							dateTime = hDate[:dateTime]
							dateRes = hDate[:dateResolution]
							unless dateTime.nil?
								vDate = AdiwgDateTimeFun.stringDateFromDateTime(dateTime, dateRes)
							end
						end
					end
				end
			end
			if vDate.nil?
				@xml.tag!('gmx:versionDate',{'gco:nilReason' => 'missing'})
			else
				@xml.tag!('gmx:versionDate') do
					@xml.tag!('gco:Date', vDate)
				end
			end

			# feature catalogue information - language
			s = hDDInfo[:dictLanguage]
			if !s.nil?
				@xml.tag!('gmx:language') do
					@xml.tag!('gco:CharacterString', s)
				end
			elsif $showAllTags
				@xml.tag!('gmx:language')
			end

			# feature catalogue information - producer - required - CI_ResponsibleParty
			# producer is taken from citation responsibleParty in data dictionary the info section
			# citation allows an array of responsible parties, only one can be used as producer
			rParty = nil
			if hCitation
				if hCitation[:citResponsibleParty]
					if hCitation[:citResponsibleParty][0]
						rParty = hCitation[:citResponsibleParty][0]
					end
				end
			end
			if rParty.nil? || rParty.empty?
				@xml.tag!('gfc:producer',{'gco:nilReason' => 'missing'})
			else
				@xml.tag!('gfc:producer') do
					rPartyClass.writeXML(rParty)
				end
			end

			# feature catalogue feature type - required
			# use feature type to represent entities
			if !aEntities.empty?
				aEntities.each do |hEntity|
					@xml.tag!('gfc:featureType') do
						featureClass.writeXML(hEntity)
					end
				end
			else
				@xml.tag!('gfc:featureType',{'gco:nilReason' => 'missing'})
			end

		end

	end

end