require "redcarpet"

module ApplicationHelper

  # different template according to the amount of text
  def render_story(story)
    return "" unless story
    text_length = story.text.length
    template = "text"
    template = "half" if text_length < 400
    template = "pic" if text_length < 200
    render partial: "stories/#{template}" , locals: {story: story}
  end

  def prose_classes
    classes  = "prose lg:prose-lg "
    classes += "prose-headings:text-inherit "
    { class: classes }
  end

  def renderer
    options = {hard_wrap: true , autolink: true, no_intra_emphasis: true ,
        safe_links_only: true, no_styles: true ,
        link_attributes: { target: '_blank' }}
    html = Redcarpet::Render::HTML.new(options)
    Redcarpet::Markdown.new(html, options)
  end

  def markdown(text)
    return "" if text.blank?
    text = text.text unless text.is_a?(String)
    return "" if text.blank?
    self.renderer.render(text).html_safe
  end

  def shorten(text , to = 100)
    return "" if text.blank?
    "#{text[0..to]}  . . . ".html_safe
  end
  def main_app
    Rails.application.routes.url_helpers
  end

  def button_classes
    "mr-3 inline-block rounded-lg px-3 py-2 text-md font-medium border border-gray-500"
  end

  def rows( text )
    return 5 if text.blank?
    text = text.text unless text.is_a?(String)
    return 5 if text.blank?
    rows = (text.length / 60).to_i
    return 5 if rows < 5
    rows
  end

end