Checks

require 'open3'
require 'json'
require 'nokogiri'

check :html5 do
  cmd = "java -jar opt/validator/vnu.jar --format json --skip-non-html --schema http://s.validator.nu/html5-all.rnc #{@config[:output_dir]}"
  res = Open3.popen3(cmd) { |_stdin, _stdout, stderr| stderr.read }

  JSON.parse(res).fetch('messages', []).each do |err|
    subject = err['url'].sub(/^file:#{Regexp.escape(__dir__)}\//, '')
    add_issue("#{err['message']} (line #{err['lastLine']}, column #{err['firstColumn']})", subject: subject)
  end
end

check :no_unprocessed_erb do
  @output_filenames.each do |filename|
    if @config[:text_extensions].any? { |ext| filename =~ /#{ext}$/ } && File.read(filename).match(/<%/)
      add_issue("erb detected", :subject => filename)
    end
  end
end

check :no_unprocessed_markdown do
  @output_filenames.each do |filename|
    if filename =~ /html$/ && File.read(filename).match(/]\(/)
      add_issue('unprocessed markdown detected', subject: filename)
    end
  end
end

check :no_static_build_paths do
  filenames = @output_filenames.select { |f| File.extname(f) == '.html' }
  hrefs_with_filenames = ::Nanoc::Extra::LinkCollector.new(filenames, :internal).filenames_per_href
  resource_uris_with_filenames = ::Nanoc::Extra::LinkCollector.new(filenames, :internal).filenames_per_resource_uri

  uris = hrefs_with_filenames.merge(resource_uris_with_filenames)
  uris.each_pair do |href, fns|
    fns.each do |filename|
      if href.start_with?(@config[:static_root])
        add_issue("private build path detected in #{href}", subject: filename)
      end
    end
  end
end

check :spelling do
  filenames = @output_filenames.select { |f| File.extname(f) == '.html' }

  filenames.each do |filename|
    doc = Nokogiri::HTML(File.read(filename))
    doc.xpath('descendant-or-self::mark[@class="misspelled"]').each do |node|
      add_issue("misspelled word '#{node.text}' detected on line #{node.line}", subject: filename)
    end
  end
end

deploy_check :internal_links
deploy_check :mixed_content
deploy_check :stale
deploy_check :no_unprocessed_erb
deploy_check :no_unprocessed_markdown
deploy_check :no_static_build_paths
deploy_check :spelling

# vi: ft=ruby