require "isodoc"
require_relative "init"
require "fileutils"

module IsoDoc
  module ITU
    # A {Converter} implementation that generates HTML output, and a document
    # schema encapsulation of the document for validation
    #
    class HtmlConvert < IsoDoc::HtmlConvert
      def initialize(options)
        @libdir = File.dirname(__FILE__)
        @hierarchical_assets = options[:hierarchicalassets]
        super
      end

      def default_fonts(options)
        {
          bodyfont: (if options[:script] == "Hans"
                       '"Source Han Sans",serif'
                     else
                       '"Times New Roman",serif'
                     end),
          headerfont: (if options[:script] == "Hans"
                         '"Source Han Sans",sans-serif'
                       else
                         '"Times New Roman",serif'
                       end),
          monospacefont: '"Courier New",monospace',
          normalfontsize: "14px",
          monospacefontsize: "0.8em",
          footnotefontsize: "0.9em",
        }
      end

      def default_file_locations(_options)
        {
          htmlstylesheet: html_doc_path("htmlstyle.scss"),
          htmlcoverpage: html_doc_path("html_itu_titlepage.html"),
          htmlintropage: html_doc_path("html_itu_intro.html"),
        }
      end

      def googlefonts
        <<~HEAD.freeze
          <link href="https://fonts.googleapis.com/css?family=Open+Sans:300,300i,400,400i,600,600i,800|Space+Mono:400,700" rel="stylesheet">
        HEAD
      end

      def make_body(xml, docxml)
        body_attr = { lang: "EN-US", link: "blue", vlink: "#954F72",
                      "xml:lang": "EN-US", class: "container" }
        xml.body **body_attr do |body|
          make_body1(body, docxml)
          make_body2(body, docxml)
          make_body3(body, docxml)
        end
      end

      def make_body3(body, docxml)
        body.div **{ class: "main-section" } do |div3|
          boilerplate docxml, div3
          preface_block docxml, div3
          abstract docxml, div3
          preface docxml, div3
          middle docxml, div3
          footnotes div3
          comments div3
        end
      end

      def authority_cleanup(docxml)
        dest = docxml.at("//div[@id = 'draft-warning-destination']")
        auth = docxml.at("//div[@id = 'draft-warning']")
        dest and auth and dest.replace(auth.remove)
        super
      end

      include BaseConvert
      include Init
    end
  end
end