module Cas
  module Client
    class Rack
      def initialize(app)
        @app = app
      end

      def call(env)
        puts "CAS Client Called from Rack!"
        status, headers, rack_body = @app.call(env)
        puts "Middleware called. Status: #{status}, Headers: #{headers}"

        if rack_body.class == RackBody && rack_body.body.class == String
          response = rack_body.body
          response += "CAS Client Called!!!"
          headers["Content-Length"] = response.length.to_s
          return [status, headers, [response]]
        else
          return [status, headers, rack_body]
        end
      end
    end
  end
end