# ISO <<Class>> CI_Date
# writer output in XML

# History:
# 	Stan Smith 2013-08-26 original script
# 	Stan Smith 2013-11-21 support for date or datetime
#   Stan Smith 2014-07-08 modify require statements to function in RubyGem structure
#   Stan Smith 2014-12-12 refactored to handle namespacing readers and writers
#   Stan Smith 2015-06-11 change all codelists to use 'class_codelist' method

require 'class_codelist'
require 'module_dateTimeFun'

module ADIWG
    module Mdtranslator
        module Writers
            module Iso

                class CI_Date

                    def initialize(xml)
                        @xml = xml
                    end

                    def writeXML(hDate)

                        # classes used
                        codelistClass = $IsoNS::MD_Codelist.new(@xml)

                        citDateTime = hDate[:dateTime]
                        citDateRes = hDate[:dateResolution]
                        citDateType = hDate[:dateType]

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

                            # date - date - required
                            if citDateTime.nil?
                                @xml.tag!('gmd:date', {'gco:nilReason' => 'missing'})
                            else
                                @xml.tag!('gmd:date') do

                                    if citDateRes.length > 3
                                        # if time, requires all time fields
                                        dateStr = AdiwgDateTimeFun.stringDateTimeFromDateTime(citDateTime, 'YMDhmsZ')
                                        @xml.tag!('gco:DateTime', dateStr)
                                    else
                                        dateStr = AdiwgDateTimeFun.stringDateFromDateTime(citDateTime, citDateRes)
                                        @xml.tag!('gco:Date', dateStr)
                                    end

                                end

                            end

                            # date - date type - required
                            if citDateType.nil?
                                @xml.tag!('gmd:dateType', {'gco:nilReason' => 'missing'})
                            else
                                @xml.tag!('gmd:dateType') do
                                    codelistClass.writeXML('iso_dateType',citDateType)
                                end
                            end
                        end

                    end

                end

            end
        end
    end
end