mood-analysis.rb

FEELINGS = {
  happy: %w(yay good great),
  sad: %w(terrible awful horrible)
}

def analyze_mood(words)
  happy = 0
  sad = 0
  words.downcase!
  words.split(" ").each do |word|
    if FEELINGS[:happy].include?(word)
      happy += 1
    elsif FEELINGS[:sad].include?(word)
      sad += 1
    end
  end
  
  if happy > sad
    return ":-)" 
  elsif happy < sad
    return ":-(" 
  else
    return ":-|"
  end
end

text = [
  "03/01 I'm having a terrible horrible no good day.",
  "03/13 Yesterday was horrible, but today is great! Yay!",
  "04/02 Sad Panda. #terribleday",
  "04/15 Hello World, today is fabulous! #yay",
  "05/01 Great! Yay! Good! Yay! Happy. Happy.",
  "05/11 Yay, yay, yay! I'm having a awfuly great day."
]

puts analyze_mood(text[0])
puts analyze_mood(text[1])