Rollbar.plugins.define('goalie') do
  dependency { !configuration.disable_monkey_patch }
  dependency { defined?(Goalie) }

  execute do
    module Rollbar
      module Goalie
        def render_exception_with_rollbar(env, exception)
          exception_data = nil

          begin
            controller = env['action_controller.instance']
            request_data = begin
              controller.rollbar_request_data
            rescue StandardError
              nil
            end
            person_data = begin
              controller.rollbar_person_data
            rescue StandardError
              nil
            end
            exception_data = Rollbar.scope(
              :request => request_data,
              :person => person_data
            ).error(exception, :use_exception_level_filters => true)
          rescue StandardError => e
            message = "[Rollbar] Exception while reporting exception to Rollbar: #{e}"
            Rollbar.log_warning(message)
          end

          # if an exception was reported, save uuid in the env
          # so it can be displayed to the user on the error page
          case exception_data
          when Hash
            env['rollbar.exception_uuid'] = exception_data[:uuid]
            Rollbar.log_info(
              "[Rollbar] Exception uuid saved in env: #{exception_data[:uuid]}"
            )
          when 'disabled'
            Rollbar.log_info(
              '[Rollbar] Exception not reported because Rollbar is disabled'
            )
          when 'ignored'
            Rollbar.log_info(
              '[Rollbar] Exception not reported because it was ignored'
            )
          end

          # now continue as normal
          render_exception_without_rollbar(env, exception)
        end
      end
    end
  end

  execute do
    Goalie::CustomErrorPages.class_eval do
      include Rollbar::Goalie

      alias_method :render_exception_without_rollbar, :render_exception
      alias_method :render_exception, :render_exception_with_rollbar
    end
  end
end