require "date"
require "nokogiri"
require "json"
require "pathname"
require "open-uri"
require "isodoc"
require "fileutils"

module Asciidoctor
  module ISO
    class Converter < Standoc::Converter
      XML_ROOT_TAG = "iso-standard".freeze
      XML_NAMESPACE = "https://www.metanorma.org/ns/iso".freeze

      def html_converter(node)
        IsoDoc::Iso::HtmlConvert.new(html_extract_attributes(node))
      end

      def html_converter_alt(node)
        IsoDoc::Iso::HtmlConvert.new(html_extract_attributes(node).
                                     merge(alt: true))
      end

      def doc_converter(node)
        IsoDoc::Iso::WordConvert.new(doc_extract_attributes(node))
      end

      def pdf_converter(node)
        return nil if node.attr("no-pdf")
        IsoDoc::Iso::PdfConvert.new(doc_extract_attributes(node))
      end

      def sts_converter(node)
        return nil if node.attr("no-pdf")
        IsoDoc::Iso::StsConvert.new(html_extract_attributes(node))
      end

      def presentation_xml_converter(node)
        IsoDoc::Iso::PresentationXMLConvert.new(html_extract_attributes(node))
      end

      def init(node)
        super
        @amd = %w(amendment technical-corrigendum).include? doctype(node)
      end

       def ol_attrs(node)
        attr_code(keep_attrs(node).
                  merge(id: ::Asciidoctor::Standoc::Utils::anchor_or_uuid(node)))
      end

      def outputs(node, ret)
          File.open(@filename + ".xml", "w:UTF-8") { |f| f.write(ret) }
          presentation_xml_converter(node).convert(@filename + ".xml")
          html_converter_alt(node).convert(@filename + ".presentation.xml", 
                                           nil, false, "#{@filename}_alt.html")
          html_converter(node).convert(@filename + ".presentation.xml", 
                                       nil, false, "#{@filename}.html")
          doc_converter(node).convert(@filename + ".presentation.xml", 
                                      nil, false, "#{@filename}.doc")
          pdf_converter(node)&.convert(@filename + ".presentation.xml", 
                                       nil, false, "#{@filename}.pdf")
          #sts_converter(node)&.convert(@filename + ".xml")
      end
    end
  end
end