module ApplicationHelper
  require 'redcarpet/render_strip'

  def has_role?(role)
    current_user && current_user.has_role?(role)
  end
  class CodeRayify < Redcarpet::Render::HTML
    def block_code(code, language)
      language ||= 'ruby'
      CodeRay.scan(code, language).div
    end
  end

  def markdown(text)
    coderayified = CodeRayify.new(:hard_wrap => true)
    options = {
      fenced_code_blocks: true,
      no_intra_emphasis: true,
      autolink: true,
      lax_html_blocks: true,
      lax_spacing: true
    }
    markdown_to_html = Redcarpet::Markdown.new(coderayified, options)
    markdown_to_html.render(text).html_safe
  end

  def strip_markdown(text)
    markdown_to_plain_text = Redcarpet::Markdown.new(Redcarpet::Render::StripDown)
    markdown_to_plain_text.render(text).html_safe
  end
end

# H1
## H2
### H3

#### H4
##### H5
###### H6

Alternatively, for H1 and H2, an underline-ish style:

Alt-H1
======

Alt-H2
------

Emphasis, aka italics, with *asterisks* or _underscores_.

Strong emphasis, aka bold, with **asterisks** or __underscores__.

Combined emphasis with **asterisks and _underscores_**.

Strikethrough uses two tildes. ~~Scratch this.~~