module AliadaWebappRails
  class Assets
    def self.webapp_js_file
      @js_filename ||= parse_js_asset_route
    end

    def self.webapp_css_file
      @css_filename ||= parse_css_asset_route
    end

    class << self
      private

      def parse_js_asset_route
        js_file = gem_files.select { |file| webapp_js_file?(file) }.first
        js_file.gsub(/^public/, "")
      end

      def parse_css_asset_route
        css_file = gem_files.select { |file| webapp_css_file?(file) }.first
        css_file.gsub(/^public/, "")
      end

      def gem_files
        Gem::Specification.find_by_name("aliada_webapp_rails").files
      end

      def webapp_js_file?(file)
        case Rails.env
        when 'production'
          file[/public\/aliada_webapp_rails\/assets\/production\/app\..*\.js$/]
        when 'staging'
          file[/public\/aliada_webapp_rails\/assets\/staging\/app\..*\.js$/]
        else
          file[/public\/aliada_webapp_rails\/assets\/development\/app\..*\.js$/]
        end
      end

      def webapp_css_file?(file)
        case Rails.env
        when 'production'
          file[/public\/aliada_webapp_rails\/assets\/production\/app\..*\.css$/]
        when 'staging'
          file[/public\/aliada_webapp_rails\/assets\/staging\/app\..*\.css$/]
        else
          file[/public\/aliada_webapp_rails\/assets\/development\/app\..*\.css$/]
        end
      end
    end
  end
end