JukeBox Challenge

jukebox.rb

class JukeBox
  # attr_accessor :request
  @@songs = [
"The Phoenix - 1901",
"Tokyo Police Club - Wait Up",
"Sufjan Stevens - Too Much",
"The Naked and the Famous - Young Blood",
"(Far From) Home - Tiga",
"The Cults - Abducted",
"The Phoenix - Consolation Prizes"
]

  def initialize
    print "Hello.  I am a jukebox.  "
    self.prompt_user
  end

  def prompt_user
    print "What would you like me to do?  "
    request = self.take_request
    self.execute_request(request)
  end

  def take_request
    request = gets
    request = request.chomp.downcase
  end

def take_response
  response = gets
  response = response.chomp
  if response.downcase == "exit" || response.downcase == "list"
    self.execute_request(response)
  else
    response
  end
end

def execute_request(request)
  if self.respond_to?(request.to_sym)
    self.send(request.to_sym)
  else
    print "Sorry, I don't understand.  Your options are help, list, play and exit.   "
    request = self.take_request
    self.execute_request(request)
  end
  end

  def help
    puts "'list' will show you a list of songs to play"
    puts "'play' will play a song that you will select"
    puts "'exit' will sadly close me down"
    request = self.take_request
    self.execute_request(request)
  end

  def play
    print "Which song would you like to play?   "
    song = self.take_response
    # determine if song is an integer, the full title, or partial
    song_index = self.validates_song(song)
    self.play_song(song_index)
  end

  def play_song(song_index)
    puts "...playing #{@@songs[song_index]}.  Love this song!"
    puts "Anything else I can help you with?"
    request = self.take_request
    self.execute_request(request)
  end

  def validates_song(song_input)
    if song_input.to_i != 0 && song_input.to_i <= @@songs.length
      song_index = song_input.to_i - 1
    elsif @@songs.include?(song_input)
      song_index = @@songs.index(song_input)
    else
      self.possible_match(song_input)
    end
  end

  def possible_match(song_input)
    possible_songs = @@songs.map do |song_selection|
      song_selection if song_selection.include?(song_input)
    end
    possible_songs.compact!

    if possible_songs.empty?
      puts "Sorry, I don't recognize your song selection."
      self.play
    else
      puts "Which one of these songs?"
      possible_songs.each_with_index do |song, index|
        puts "#{index + 1} #{song}"
      end
      song = self.take_response
      self.validates_song(song)
    end
  end

  def list
    @@songs.each_with_index{|song, i| puts "#{i + 1} #{song}"}
    self.prompt_user
  end

  def exit
    puts "Good Bye"
  end

end

JukeBox.new