class Me
  class << self
    attr_reader :name, :role, :language_spoken
  end

  @name = 'Stanislav Kolkov'
  @role = 'QA automation engineer'
  @language_spoken = ['ru', 'en']
end

class About < Me
  def code_available
    { ruby: 'medium', java: 'low' }
  end

  def known_technologies
    {
      web_back: ['Rails', 'Active Record', 'Devise', 'I18n'],
      ruby_common: ['Rspec', 'Minitest', 'Rubocop'],
      fronted: ['HTML', 'CSS', 'Bootstrap', 'Slim'],
      database: ['SQLite', 'PostgreSQL', 'Oracle DB'],
      autotests: ['Selenium', 'Cucumber', 'Capybara', 'Site Prism']
    }
  end

  def hobbies
    ['Coding', 'Guitar', 'Bass', 'Snowboarding', 'Videogames', 'Martial arts']
  end

  def say_hello
    puts "Hello! My name is #{Me.name} and I'm a #{Me.role}. What I can do:"
    pp code_available, known_technologies
    puts 'What I like to do:'
    pp hobbies
  end
end

me = About.new
me.say_hello