require 'rinku'

module RailsRinku
  class Railtie < ::Rails::Railtie
    initializer 'rails_rinku' do |app|
      ActiveSupport.on_load(:action_view) do
        require 'active_support/core_ext/object/blank'
        require 'active_support/core_ext/array/extract_options'
        require 'active_support/core_ext/hash/reverse_merge'
        require 'active_support/core_ext/hash/keys'

        module ::ActionView
          module Helpers # :nodoc:
            module TextHelper
              def auto_link(text, *args, &block)
                return ''.html_safe if text.blank?

                options = args.size == 2 ? {} : args.extract_options!
                unless args.empty?
                  options[:link] = args[0] || :all
                  options[:html] = args[1] || {}
                end
                options.reverse_merge!(:link => :all, :html => {})
                text = sanitize(text) unless options[:sanitize] == false

                Rinku.auto_link(text, options[:link], tag_options(options[:html]), &block)
              end
            end
          end
        end
      end
    end
  end
end