require "htmlentities"
require "uri"

module Asciidoctor
  module ISO
    class Converter < Standoc::Converter
      def section(node)
        a = section_attributes(node)
        noko do |xml|
          case sectiontype(node)
          when "introduction" then introduction_parse(a, xml, node)
          when "patent notice" then patent_notice_parse(xml, node)
          when "scope" then scope_parse(a, xml, node)
          when "normative references" then norm_ref_parse(a, xml, node)
          when "terms and definitions",
            "terms, definitions, symbols and abbreviated terms",
            "terms, definitions, symbols and abbreviations",
            "terms, definitions and symbols",
            "terms, definitions and abbreviations",
            "terms, definitions and abbreviated terms"
            @term_def = true
            term_def_parse(a, xml, node, true)
            @term_def = false
          when "symbols and abbreviated terms",
            "abbreviations", "abbreviated terms", "symbols"
            symbols_parse(a, xml, node)
          when "bibliography" then bibliography_parse(a, xml, node)
          else
            if @term_def then term_def_subclause_parse(a, xml, node)
            elsif @biblio then bibliography_parse(a, xml, node)
            elsif node.attr("style") == "bibliography"
              bibliography_parse(a, xml, node)
            elsif node.attr("style") == "appendix" && node.level == 1
              annex_parse(a, xml, node)
            elsif node.option? "appendix"
              appendix_parse(a, xml, node)
            else
              clause_parse(a, xml, node)
            end
          end
        end.join("\n")
      end

      def appendix_parse(attrs, xml, node)
        attrs["inline-header".to_sym] = node.option? "inline-header"
        set_obligation(attrs, node)
        xml.appendix **attr_code(attrs) do |xml_section|
          xml_section.title { |name| name << node.title }
          xml_section << node.content
        end
      end

      def patent_notice_parse(xml, node)
        # xml.patent_notice do |xml_section|
        #  xml_section << node.content
        # end
        xml << node.content
      end

      def scope_parse(attrs, xml, node)
        xml.clause **attr_code(attrs) do |xml_section|
          xml_section.title { |t| t << "Scope" }
          content = node.content
          xml_section << content
        end
      end
    end
  end
end