require "jquery-datatables/version"

module Jquery
  module Datatables
    #thanks to bootstrap-rubygem
    class << self
      # Inspired by Kaminari
      def load!
        if rails?
          register_rails_engine
        elsif hanami?
          register_hanami
        elsif sprockets?
          register_sprockets
        elsif defined?(::Sass) && ::Sass.respond_to?(:load_paths)
          # The deprecated `sass` gem:
          ::Sass.load_paths << stylesheets_path
        end
      end

      # Paths
      def gem_path
        @gem_path ||= File.expand_path '..', File.dirname(__FILE__)
      end

      def stylesheets_path
        File.join assets_path, 'stylesheets'
      end

      def javascripts_path
        File.join assets_path, 'javascripts'
      end

      def assets_path
        @assets_path ||= File.join gem_path, 'app/assets'
      end

      # Environment detection helpers
      def sprockets?
        defined?(::Sprockets)
      end

      def rails?
        defined?(::Rails)
      end

      def hanami?
        defined?(::Hanami)
      end

      private

      def register_rails_engine
        require 'jquery-datatables/engine'
      end

      def register_sprockets
        Sprockets.append_path(stylesheets_path)
        Sprockets.append_path(javascripts_path)
      end

      def register_hanami
        Hanami::Assets.sources << assets_path
      end
    end
  end
end

Jquery::Datatables.load!