Tweet shortener!

tweet_shortener.rb

tweets = ["test", "hey guys, can anyone teach me how to be cool? I really want to be the best at everything, you know what I mean? Tweeting is super fun you guys!!!!", "OMG you guys, you won't believe how sweet my kitten is. My kitten is like super cuddly and too cute to be believed right?", "I'm running out of example tweets for you guys, which is weird, because I'm a writer and this is just writing and I tweet all day. For real, you guys. For real.", "GUISEEEEE this is so fun! I'm tweeting for you guys and this tweet is SOOOO long it's gonna be way more than you would think twitter can handle, so shorten it up you know what I mean? I just can never tell how long to keep typing!", "this tweet shouldn't be shortened to too two"]

substitutes = { 2 => ["to", "two", "too"], 4 => ["for", "four"], "be" => ["b"], "you" => ["u"], "at" => ["@"], "and" => ["&"] }

def check_each_word_against_substitutes(tweets, substitutes)
  tweets.each do |tweet|
    word_count = 0
    if tweet.length > 140
      amended_tweet = tweet.split(" ")
      amended_tweet.each do |word|
        substitutes.each do |k,v|
          if v.include?(word)
            amended_tweet[word_count] = k.to_s
          end
        end
        word_count += 1
      end
      if amended_tweet.length > 140
        amended_tweet = amended_tweet[0,140]
      end
      if amended_tweet.join(" ").length > 140
        ap amended_tweet = amended_tweet.join(" ")[0,140]
      end
    else
      ap tweet
    end
  end
end

check_each_word_against_substitutes(tweets, substitutes)