module Boty
  module Slack
    class Chat
      include Slack::URL
      url "https://slack.com/api/chat.postMessage"

      def im; @im ||= IM.new end

      def post_message(message, parameters = {})
        defaults = {
          as_user: true,
          channel: "general",
          text: message
        }
        URL.get parameterize(defaults.merge parameters)
      end

      def post_im(user, message)
        channel = im.open user
        post_message message, channel: channel.id
      end
    end
  end
end