class LearnReview

# File lib/learn_review.rb, line 7
def initialize(filename = 'README.md')
  puts "Checking the contents of #{filename}..."
  puts ''
  fh = open filename
  content = fh.read
  fh.close

  average_readability = Odyssey.ari(content, false)
  coleman_liau = Odyssey.coleman_liau(content, false)
  grade_level = Odyssey.flesch_kincaid_grade_level(content, false)
  readability_ease = Odyssey.flesch_kincaid_reading_ease(content, false)
  gunning_fog = Odyssey.gunning_fog(content, false)
  smog = Odyssey.smog(content, false)
  text = Odyssey.fake_formula(content, true)

  gender_specific_words = %w[he she him her]
                          .select do |word|
    text['score']['words'].include?(word)
  end

  relevant_words = ['readme', 'code along', 'codealong', 'lab', 'test']
                   .select do |word|
    text['score']['words'].include?(word)
  end

  irrelevant_words = ['a', 'an', 'and', 'the', 'like', 'with', 'through', 'over', 'before', 'at', 'of', 'to', 'in', 'for', 'on', 'by', 'between', 'after', 'since', 'without', 'under', 'beyond', 'near', 'above', 'off', 'down', 'except', 'about', 'learn', 'co', 'open', 'really', "we're"]
  word_hash = {}
  text['score']['words']
    .reject { |word| irrelevant_words.include?(word.downcase) }
    .each do |word|
    word_hash.key?(word) ? word_hash[word] += 1 : word_hash[word] = 1
  end

  puts 'Automated Readability Index (1 => Kindergarten, 8 => 7th Grade, 14+ => College Level):'
  puts average_readability
  puts ''
  puts 'Coleman Liau Index (1 => Kindergarten, 8 => 7th Grade, 14+ => College Level):'
  puts coleman_liau
  puts ''
  puts 'Flesch Kincaid Grade Level (1 => Kindergarten, 8 => 7th Grade, 14+ => College Level):'
  puts grade_level
  puts ''
  puts 'Flesch Kincaid Reading Ease (100.0-90.0 => 5th Grade, 80.0-70.0 => 7th Grade, 50.0-30.0 => College Level):'
  puts readability_ease
  puts ''
  puts 'Gunning Fog Index (7 => 7th grade, 10 => 10th Grade, 13-16 => College Level):'
  puts gunning_fog
  puts ''
  puts 'Smog Index (7 => 7th grade, 10 => 10th Grade, 13-16 => College Level):'
  puts smog
  puts ''

  puts "Gender specific words: #{gender_specific_words}"
end