guess_game_clean

guessing_game.rb

class GuessingGame

  attr_accessor :congrats_message
  attr_reader :remaining_guesses

  def initialize(target_number, remaining_guesses)
    @congrats_message = 'Yay, you won!'
    @target_number = target_number
    @remaining_guesses = remaining_guesses
    @has_won = false
    @has_lost = false
    @wrong_guesses_archive = []
  end

  def has_won?
    @has_won
  end

  def has_lost?
    @has_lost
  end

  def guess(number)
    return alert_completed_game if has_lost? || has_won?
    return you_win(number) if number == @target_number
    return you_lose if @remaining_guesses == 1
    decrement_guesses unless guessed_before?(number)
    archive_wrong_guess(number)
    number < @target_number ? "Too low!" + last_guess_alert : "Too high!" + last_guess_alert
  end

  private

  def alert_completed_game
    if @has_won == true
      "You already won. The number was #{@target_number}"
    elsif @has_lost == true
      "You already lost. The number was #{@target_number}"
    end
  end

  def last_guess_alert
    return "" unless @remaining_guesses == 1
    " WARNING: Only one guess left!"
  end

  def guessed_before?(number)
    @wrong_guesses_archive.include?(number)
  end

  def you_win(number)
    @remaining_guesses = 0
    @has_won = true
    @congrats_message = "Correct! The number was #{number}"
    return @congrats_message
  end

  def you_lose
    @remaining_guesses = 0
    @has_lost = true
    "You lost! The number was #{@target_number}"
  end

  def archive_wrong_guess(guess)
    @wrong_guesses_archive << guess
  end

  def decrement_guesses
    @remaining_guesses -= 1
  end

end