module Playbook::Markdown::Helper

def self.call(template, _source)
  markdown(template.source)
end

def self.markdown(text)
  options = {
    filter_html: false,
    hard_wrap: true,
    link_attributes: { rel: "nofollow", target: "_blank" },
    space_after_headers: true,
    fenced_code_blocks: true,
    no_styles: false,
    safe_links_only: true,
  }
  extensions = {
    lax_spacing: true,
    no_intra_emphasis: true,
    autolink: true,
    superscript: true,
    fenced_code_blocks: true,
    tables: true,
    disable_indented_code_blocks: false,
    strikethrough: true,
    underline: true,
    highlight: true,
    footnotes: true,
    with_toc_data: true,
  }
  renderer = HTMLBlockCode.new(options)
  # toc_renderer = Redcarpet::Render::HTML_TOC.new(with_toc_data: true)
  # @TOC = Redcarpet::Markdown.new(toc_renderer)
  # puts "TOC: #{@TOC.inspect}"
  markdown = Redcarpet::Markdown.new(renderer, extensions)
  "#{markdown.render(text).inspect}.html_safe;"
end

def render_markdown(text)
  # rubocop:disable Security/Eval
  eval(Playbook::Markdown::Helper.markdown(text))
  # rubocop:enable Security/Eval
end

def rouge(text, language)
  formatter = Rouge::Formatters::HTML.new(scope: ".highlight")
  lexer = Rouge::Lexer.find(language)
  formatter.format(lexer.lex(text))
end

def rouge_markdown(text)
  render_options = {
    filter_html: true,
    hard_wrap: true,
    link_attributes: { rel: "nofollow" },
  }
  renderer = HTML.new(render_options)
  extensions = {
    autolink: true,
    fenced_code_blocks: true,
    lax_spacing: true,
    no_intra_emphasis: true,
    strikethrough: true,
    superscript: true,
  }
  markdown = Redcarpet::Markdown.new(renderer, extensions)
  markdown.render(text)
end