class IsoDoc::Generic::HtmlConvert

def self.inherited(k)
  k._file = caller_locations(1..1).first.absolute_path
end

def default_file_locations(_options)
  {
    htmlstylesheet: baselocation(configuration.htmlstylesheet) ||
      html_doc_path("htmlstyle.scss"),
    htmlcoverpage: baselocation(configuration.htmlcoverpage) ||
      html_doc_path("html_generic_titlepage.html"),
    htmlintropage: baselocation(configuration.htmlintropage) ||
      html_doc_path("html_generic_intro.html"),
    scripts: baselocation(configuration.scripts),
    i18nyaml: (if configuration.i18nyaml.is_a?(String)
                 baselocation(configuration.i18nyaml)
               end),
  }.transform_values { |v| v&.empty? ? nil : v }
end

def default_fonts(options)
  {
    bodyfont: (
      if options[:script] == "Hans"
        '"Source Han Sans",serif'
      else
        configuration.html_bodyfont || '"Overpass",sans-serif'
      end
    ),
    headerfont: (
      if options[:script] == "Hans"
        '"Source Han Sans",sans-serif'
      else
        configuration.html_headerfont || '"Overpass",sans-serif'
      end
    ),
    monospacefont: configuration.html_monospacefont || '"Space Mono",monospace',
    normalfontsize: configuration.html_normalfontsize,
    smallerfontsize: configuration.html_smallerfontsize,
    footnotefontsize: configuration.html_footnotefontsize,
    monospacefontsize: configuration.html_monospacefontsize,
  }.transform_values { |v| v&.empty? ? nil : v }
end

def googlefonts
  return unless configuration.webfont
  Array(configuration.webfont).map do |x|
    %{<link href="#{x}" rel="stylesheet"/>}
  end.join("\n")
end

def initialize(options)
  @libdir = File.dirname(__FILE__)
  super
end