class Metanorma::Generic::Processor

def configuration
  Metanorma::Generic.configuration
end

def extract_options(file)
  head = file.sub(/\n\n.*$/m, "\n")
  ret = %w(htmlstylesheet htmlcoverpage htmlintropage scripts scripts-pdf
           wordstylesheet standardstylesheet header wordcoverpage
           wordintropage datauriimage htmltoclevels doctoclevels
           ulstyle olstyle htmlstylesheet-override sectionsplit
           wordstylesheet-override).each_with_object({}) do |w, acc|
    m = /\n:#{w}: ([^\n]+)\n/.match(head) or next
    acc[w.sub("-", "_").to_sym] = m[1]
  end
  super.merge(ret)
end

def fonts_manifest
  configuration&.fonts_manifest
end

def initialize # rubocop:disable Lint/MissingSuper
  n = configuration&.metanorma_name&.to_sym
  @short = n || :generic
  @input_format = :asciidoc
  @asciidoctor_backend = n || :generic
end

def output(isodoc_node, inname, outname, format, options = {})
  options_preprocess(options)
  case format
  when :html
    IsoDoc::Generic::HtmlConvert.new(options)
      .convert(inname, isodoc_node, nil, outname)
  when :doc
    IsoDoc::Generic::WordConvert.new(options)
      .convert(inname, isodoc_node, nil, outname)
  when :presentation
    IsoDoc::Generic::PresentationXMLConvert.new(options)
      .convert(inname, isodoc_node, nil, outname)
  else super end
end

def output_formats
  configuration.formats
end

def version
  "Metanorma::Generic #{Metanorma::Generic::VERSION}"
end