module Stepmod
  module Utils
    class Bibdata
      DOCNUMBER = 10303

      attr_accessor *%w(
        type doctype part title_en title_fr version language pub_year pub_date
      )

      def initialize(document:)
        return nil unless document.is_a?(Nokogiri::XML::Element)

        # module, resource, application_protocol, business_object_model
        @type = document.name

        raise "UnknownFileError" unless %w(module resource
                                           application_protocol business_object_model).include?(@type)

        @doctype = document["status"]
        @part = document["part"]
        @title_en = document["title"] ||
          document["name"].gsub("_", " ").capitalize.gsub("2d", "2D").gsub("3d",
                                                                           "3D")
        @title_fr = document["name.french"]
        @version = document["version"]
        @language = document["language"]

        # Some publication.year contains month...
        @pub_year = document["publication.year"].split("-").first
        @pub_date = document["publication.date"]

        # puts to_mn_adoc

        self
        # <module
        #    name="security_classification"
        #    name.french="Classification des s&#233;curit&#233;s"
        #    part="1015"
        #    wg.number="1095"
        #    wg.number.supersedes="720"
        #    wg.number.arm.supersedes="1096"
        #    wg.number.arm="3221"
        #    wg.number.mim="1097"
        #    checklist.internal_review="2133"
        #    checklist.project_leader="2134"
        #    checklist.convener="2135"
        #    version="1"
        #    status="TS"
        #    language="E"
        #    publication.year="2004"
        #     publication.date="2004-12-01"
        #    published="y"
        #    rcs.date="$Date: 2009/11/02 10:59:35 $"
        #    rcs.revision="$Revision: 1.26 $"
        #   development.folder="dvlp"
        # >
      end

      def docid
        no_date = case doctype
                  when "IS"
                    "ISO #{DOCNUMBER}-#{part}"
                  when "WD"
                    "ISO/WD #{DOCNUMBER}-#{part}"
                  when "CD"
                    "ISO/CD #{DOCNUMBER}-#{part}"
                  when "DIS"
                    "ISO/DIS #{DOCNUMBER}-#{part}"
                  when "FDIS"
                    "ISO/FDIS #{DOCNUMBER}-#{part}"
                  when "TS"
                    "ISO/TS #{DOCNUMBER}-#{part}"
                  when "CD-TS"
                    "ISO/CD TS #{DOCNUMBER}-#{part}"
                  else
                    "UNKNOWN DOCTYPE: (#{doctype})"
                  end

        if pub_year
          "#{no_date}:#{pub_year}"
        else
          no_date
        end
      end

      def part_title
        case part
        when [200..299]
          "Application protocol: #{title_en}"
        when [300..399]
          "Abstract test suite: #{title_en}"
        when [400..499]
          "Application module: #{title_en}"
        when [500..599]
          "Application interpreted construct: #{title_en}"
        when [1000..1799]
          "Application module: #{title_en}"
        else
          title_en
        end
      end

      def full_title
        "Industrial automation systems and integration -- Product data representation and exchange -- Part #{part}: #{part_title}"
      end

      def anchor
        docid.gsub("/", "-").gsub(" ", "_").gsub(":", "_")
      end

      def to_mn_adoc
        if title_en
          "* [[[#{anchor},#{docid}]]], _#{full_title}_"
        else
          "* [[[#{anchor},#{docid}]]]"
        end
      end
    end
  end
end