modeset/bitbot-responders

require "open-uri"

class IsItUpResponder < Bitbot::Responder
  include Bitbot::Responder::Wit

  SERVICE = "http://isitup.org"

  category "General"

  help "general:isitup <domain>",
       description: "Checks to see if a domain is up.",
       examples: ["is ello.co up?", "is ello.co down?"]

  intent "isitup", :isitup, entities: { url: nil }

  route :isitup, /^general:isitup\s+(.*)$/i do |domain|
    domain = domain.split("|")[0].gsub(/http:\/\//i, "")
    status = JSON.parse(open("#{SERVICE}/#{CGI.escape(domain)}.json").read)
    icon, status = status_from(domain, status["status_code"])

    respond_with <<-MSG.strip_heredoc
      #{icon}@#{message.user_name}, #{status}
    MSG
  end

  private

  def status_from(domain, status_code)
    case status_code
    when 1 then [":white_check_mark: ", "#{domain} looks UP from here."]
    when 2 then [":no_entry: ", "#{domain} looks DOWN from here."]
    when 3 then [":warning: ", "are you sure #{domain} is a valid domain?."]
    else ["", "I'm unsure about #{domain}, there was an error looking it up."]
    end
  end
end