module Boty
  module RSpec
    module Bot
      def self.included(base)
        base.instance_eval do
          let(:bot) {
            bot = Boty::Bot.new({"id" => "1234", "name" => "bot"},
                                Boty::Session.new)

            class << bot
              attr_accessor :_response

              def say(message)
                @_response = message
              end
            end

            bot
          }
        end
      end

      def event(options)
        bot.event({ "type" => "message" }.merge options)
      end

      def message_event(text)
        event "text" => text
      end
    end

    ::RSpec::Matchers.define :have_responded do |expected|
      # TODO: add proper messages for failures.
      match do |bot|
        response = bot._response
        bot._response = nil
        response == expected
      end
    end
  end
end