class Playbook::Markdown::HTMLBlockCode

def header(title, level)
  @headers ||= []
  permalink = title.gsub(/\W+/, "-")
  if @headers.include?(permalink)
    permalink += "_1"
    loop do
      break unless @headers.include?(permalink)
      permalink.gsub!(/_(\d+)$/, "_#{Regexp.last_match(1).to_i + 1}")
    end
  end
  @headers << permalink
  permalink_markup = %(<a name="#{permalink}" class="markdown-header-anchor" )
  permalink_markup += %(href="##{permalink}"><span class="far fa-link markdown-header-anchor-icon"></span></a>)
  %(\n<h#{level} id="#{permalink}">#{title} #{permalink_markup}</h#{level}>\n)
end

def image(link, title, alt_text)
  return nil if link.nil?
  %(<a href="#{link}" target="_blank">#{image_tag(link, title: title, alt: alt_text, class: 'imageloader lazyload')}</a>)
end

def table(header, body)
  "<table class='pb_table table-sm table-responsive-collapse table-card table-collapse-sm'>" \
    "<thead>#{header}</thead>" \
    "<tbody>#{body}</tbody>" \
  "</table>"
end