insomniac_random.rb

# untested, might not even work!
#
# with apologies to @edent - https://twitter.com/edent/status/410910285244153856

require 'json'
require 'yaml'
require 'twitter'

class InsomniacRandom
  attr_accessor :yaml_file
  
  def init(minimum=111111111)
    @magic_number = minimum
    @seed = random_number(@magic_number, @magic_number, 499999999999999999)
    @twitter_client = twitter_init()
    @yaml_file = "./twitter.yml"
  end
  
  def generate
    random_id = random_number(@seed, @magic_number, 499999999999999999))
    text = get_tweet_text(random_id)
    text.hash
  end
  
  private
  
  def twitter_init
    conf = YAML.load_file(@yaml_file)
    Twitter::REST::Client.new do |config|
      config.consumer_key        = conf[:consumer_key]
      config.consumer_secret     = conf[:consumer_secret]
      config.access_token        = conf[:access_token]
      config.access_token_secret = conf[:access_token_secret]
    end
  end
  
  def random_number(seed, lower_bound, upper_bound)
    prng = Random.new(seed)
    prng.rand(lower_bound...upper_bound)
  end
  
  def get_tweet_text(tweet_id)
    tweet = @twitter_client.status(tweet_id) # e.g. => 410910285244153856
    # should retry on status not available fail?
    tweet["text"] #  e.g. => "Insomniac idea for a RNG. Generate number, look up tweet with that Status ID, hash the output."
  end
end