# HTML writer
# html head

# History:
#   Stan Smith 2017-03-22 refactored for mdTranslator 2.0
#   Stan Smith 2015-07-20 moved mdTranslator logo to html_inlineCss.css
#   Stan Smith 2015-07-17 added support for user supplied css
#   Stan Smith 2015-04-07 added metadata tag to head
#   Stan Smith 2015-03-23 original script

module ADIWG
   module Mdtranslator
      module Writers
         module Html

            class Html_Head
               def initialize(html)
                  @html = html
               end

               def writeHtml(version, cssLink)

                  @html.head do
                     @html.meta({'http-equiv' => 'Content-Type', 'content' => 'text/html; charset=utf-8'})
                     @html.title('HTML Metadata report')
                     @html.meta('name' => 'generator', 'content' => 'HTML output generated by ADIwg mdTranslator ToolKit ' + version + ' available at https://github.com/adiwg ')
                     @html.meta('name' => 'description', 'content' => 'mdTranslator software is an open-source project of the Alaska Data Integration working group (ADIwg).  Alaska Data Integration working group is not responsible for the content of this metadata record')
                     @html.meta('name' => 'keywords', 'content' => 'metadata, ADIwg, mdTranslator, ISO19115')
                     @html.comment!('metadata record generated ' + Time.now.to_s)

                     # add inline css
                     # read css from file
                     path = File.join(File.dirname(__FILE__), 'html_inlineCss.css')
                     file = File.open(path, 'r')
                     css = file.read
                     file.close

                     @html.style do
                        @html.text!(css)
                     end

                     # append user supplied css
                     if cssLink
                        @html.link('rel' => 'stylesheet', 'href' => cssLink)
                     end

                  end

               end # writeHtml
            end # Html_Head

         end
      end
   end
end