module PagesHelper

  def parse_pp_tags(file)
    opened_file =  File.open(file)
    doc = Nokogiri::HTML(opened_file, nil, "UTF-8")
    opened_file.close
    pps = doc.css("*[data-pp]")
    pps.each do |pp|
      pp.content = "<p class='add-ps'></p>"
    end
    doc.to_html
  end

  def render_widget_for_frontend(controller_name, widget_method, widget_file)
    file = File.open(File.join(Rails.root, 'app', 'templates', "#{Template::KEY}", 'modules', "#{controller_name}", "_#{widget_file}.html.erb"))
    doc = Nokogiri::HTML(file, nil, "UTF-8")
    file.close
    wrap_elements = doc.css("*[data-repeat]")
    controller = "#{controller_name.capitalize}Controller".classify.constantize.new
    data = controller.send("#{widget_method}")
    keys = data.keys
    wrap_elements.each do |wrap_element|
      html_to_render = ""
      (data[keys[0]].kind_of?(Array) ? data[keys[0]] : data[keys[1]]).each do |item|
        el = wrap_element.inner_html
        item.each do |key,value|
          el = el.gsub("{{#{key}}}",value)
          el = el.gsub("%7B%7B#{key}%7D%7D",value)
        end
        html_to_render = html_to_render + el
      end
      wrap_element.inner_html = html_to_render
    end
    html = doc.to_html
    if keys[1]
      (data[keys[1]].kind_of?(Array) ?  data[keys[0]] : data[keys[1]]).each do |key,value|
        html = html.gsub("{{#{key}}}",value)
        html = html.gsub("%7B%7B#{key}%7D%7D",value)
      end
    end
    html.html_safe
  end

end