# unpack GeoJSON properties
# Reader - ADIwg JSON V1 to internal data structure

# History:
# 	Stan Smith 2014-04-29 original script
#   Stan Smith 2014-07-07 resolve require statements using Mdtranslator.reader_module
#   Stan Smith 2014-08-18 changed assignedId to identifier schema 0.6.0

require ADIWG::Mdtranslator.reader_module('module_temporalElement', $response[:readerVersionUsed])
require ADIWG::Mdtranslator.reader_module('module_verticalElement', $response[:readerVersionUsed])
require ADIWG::Mdtranslator.reader_module('module_resourceIdentifier', $response[:readerVersionUsed])

module Adiwg_GeoProperties

	def self.unpack(hGeoProps, intElement)

		# set element extent - (default true)
		intElement[:elementIncludeData] = true
		if hGeoProps.has_key?('includesData')
			if !hGeoProps['includesData']
				intElement[:elementIncludeData] = false
			end
		end

		# set element feature name
		if hGeoProps.has_key?('featureName')
			s = hGeoProps['featureName']
			if s != ''
				intElement[:elementName] = s
			end
		end

		# set element description
		if hGeoProps.has_key?('description')
			s = hGeoProps['description']
			if s != ''
				intElement[:elementDescription] = s
			end
		end

		# set temporal information
		if hGeoProps.has_key?('temporalElement')
			hTempEle = hGeoProps['temporalElement']
			unless hTempEle.empty?
				intElement[:temporalElements] = Adiwg_TemporalElement.unpack(hTempEle)
			end
		end

		# set vertical information
		if hGeoProps.has_key?('verticalElement')
			aVertEle = hGeoProps['verticalElement']
			unless aVertEle.empty?
				aVertEle.each do |hVertEle|
					intElement[:verticalElements] << Adiwg_VerticalElement.unpack(hVertEle)
				end
			end
		end

		# set other assigned IDs
		if hGeoProps.has_key?('identifier')
			aResIds = hGeoProps['identifier']
			unless aResIds.empty?
				aResIds.each do |hIdentifier|
					intElement[:elementIdentifiers] << Adiwg_ResourceIdentifier.unpack(hIdentifier)
				end
			end
		end

		# set feature scope
		if hGeoProps.has_key?('featureScope')
			s = hGeoProps['featureScope']
			if s != ''
				intElement[:elementScope] = s
			end
		end

		# set feature acquisition methodology
		if hGeoProps.has_key?('featureAcquisitionMethod')
			s = hGeoProps['featureAcquisitionMethod']
			if s != ''
				intElement[:elementAcquisition] = s
			end
		end

		return intElement

	end

end