Improve vocabulary script by repetition

learner.rb

data = {
  "amid" => ["em meio a", "no meio de", "entre"],
  "bliss" => ["êxtase", "felicidade"],
  "at first glance" => ["à primeira vista"],
  "slumber" => ["dormir"],
  "thrash out" => ["debater", "discutir"],
  "plea" => ["apelo"],
  "attire" => ["vestuário", "traje"],
  "blunt" => ["brusco"],
  "newlyweds" => ["recém-casados"],
  "unfolding" => ["desdobrando"],
  "gnawing away" => ["corroendo"],
  "idyll" => ["idílio"],
  "rustling" => ["sussurro"],
  "wealthy" => ["rico"],
  "bystanders" => ["transeuntes", "passantes"],
  "folly" => ["insensatez"],
  "doomed" => ["condenado"],
  "welfare" => ["bem-estar"],
  "assure" => ["assegurar"],
  "low-lying areas" => ["áreas de baixa altitude"],
  "amongst" => ["entre"],
  "gloomy" => ["sombrio"],
  "grimly" => ["tristemente", "sombriamente"],
  "fodder" => ["dar forragem aos animais"],
  "digest" => ["digerir"],
  "first-hand" => ["primeira mão", "em primeira mão"],
  "head off" => ["desviar"],
  "wallowing" => ["chafurdando"],
  "cosset" => ["mimado"],
  "drowned" => ["afogado"],
  "tide" => ["maré"],
  "concede" => ["admitir"],
  "feature (something)" => ["destacar algo"],
  "swamped" => ["inundado"],
  "mull" => ["ponderar"],
  "steely" => ["feito de aço", "férreo"],
  "ebullient" => ["efervescente"]
}.freeze

class WordFetcher
  def initialize(repeat_times = 5, data = {})
    @repeat_times = repeat_times
    @data = data
    @words = map_words
  end

  def give_me(quantity = 5)
    take(quantity)
  end

  def update(words_to_update)
    increment_tries = lambda do |row| 
      words.detect { |it| it.fetch(:word) == row.fetch(:word) }[:times] += 1
    end

    words_to_update.each(&increment_tries)
  end

  private

  attr_reader :repeat_times, :data, :words

  def take(quantity)
    words.dup.
      delete_if(&only_less_than_max_tries).
      shuffle.
      sort(&sort_by_tries).
      take(quantity).
      shuffle
  end

  def only_less_than_max_tries
    ->(row) { row.fetch(:times) >= repeat_times }
  end

  def sort_by_tries
    ->(a,b) { b.fetch(:times) <=> a.fetch(:times) }
  end

  def map_words
    data.inject([]) do |acc, (k, v)|
      acc << { word: k, translate: v , times: 0 }
      acc
    end
  end
end

class Lesson
  def initialize(
    repeat_quantity = 5, data = {}
  )
    @repeat_quantity = repeat_quantity
    @fetcher = WordFetcher.new(repeat_quantity, data)
  end

  def learn
    while !(words = fetcher.give_me).empty?
      system("clear") or system("cls")
      words.each(&execute)
      puts 'Press RETURN to continue...'
      STDIN.gets.chomp.downcase
    end
    puts "Finished lesson"
  end

  private

  attr_reader :repeat_quantity, :fetcher

  def execute
    lambda do |word|
      puts "Translation of \"#{word.fetch(:word)}\""
      answer = read_answer
      correct_answer = word.fetch(:translate)

      puts "The correct answers are \"#{correct_answer}\""
      check_answer.call(answer, word)

      puts "-" * 40
    end
  end

  def check_answer
    lambda do |answer, word|
      answer_without_accent = remove_accent(answer)
      correct_answers = Array(
        word.fetch(:translate)
      ).each(&:downcase).map(&method(:remove_accent))

      if correct_answers.any? { |correct_answer| answer_without_accent == correct_answer }
        puts "Your answer is \e[32mCORRECT!\e[0m"
        update_fetcher.call(word)

        if word.fetch(:times) >= repeat_quantity
          puts "\e[34mYou've just learned \"#{word.fetch(:word)}\"\e[0m"
        end
      else
        puts "Your answer is \e[31mINCORRECT!\e[0m"
      end
    end
  end

  def update_fetcher
    lambda do |word|
      fetcher.update([word])
    end
  end

  def read_answer
    STDIN.gets.chomp.downcase
  end

  def remove_accent(word)
    word.tr(
      "ÀÁÂÃÄÅàáâãäåĀāĂ㥹ÇçĆćĈĉĊċČčÐðĎďĐđÈÉÊËèéêëĒēĔĕĖėĘęĚěĜĝĞğĠġĢģĤĥĦħÌÍÎÏìíîïĨĩĪīĬĭĮįİıĴĵĶķĸĹĺĻļĽľĿŀŁłÑñŃńŅņŇňʼnŊŋÒÓÔÕÖØòóôõöøŌōŎŏŐőŔŕŖŗŘřŚśŜŝŞşŠšſŢţŤťŦŧÙÚÛÜùúûüŨũŪūŬŭŮůŰűŲųŴŵÝýÿŶŷŸŹźŻżŽž",
      "AAAAAAaaaaaaAaAaAaCcCcCcCcCcDdDdDdEEEEeeeeEeEeEeEeEeGgGgGgGgHhHhIIIIiiiiIiIiIiIiIiJjKkkLlLlLlLlLlNnNnNnNnnNnOOOOOOooooooOoOoOoRrRrRrSsSsSsSssTtTtTtUUUUuuuuUuUuUuUuUuUuWwYyyYyYZzZzZz"
    )
  end
end

Lesson.new(3, data).learn
Lesson.new(3, data.invert).learn