class Answer < ActiveRecord::Base

  ##
  # Associations
	belongs_to :question
	belongs_to :user
	belongs_to :plan
  has_many :notes, dependent: :destroy
  has_and_belongs_to_many :question_options, join_table: "answers_question_options"

  has_many :notes

  ##
  # Possibly needed for active_admin
  #   -relies on protected_attributes gem as syntax depricated in rails 4.2
  attr_accessible :text, :plan_id, :lock_version, :question_id, :user_id, :question_option_ids,
                  :question, :user, :plan, :question_options, :notes, :note_ids, :id,
                  :as => [:default, :admin]

  ##
  # Validations
#  validates :user, :plan, :question, presence: true
#
#  # Make sure there is only one answer per question!
#  validates :question, uniqueness: {scope: [:plan],
#                                    message: I18n.t('helpers.answer.only_one_per_question')}
#
#  # The answer MUST have a text value if the question is NOT option based or a question_option if
#  # it is option based.
#  validates :text, presence: true, if: Proc.new{|a|
#    (a.question.nil? ? false : !a.question.question_format.option_based?)
#  }
#  validates :question_options, presence: true, if: Proc.new{|a|
#    (a.question.nil? ? false : a.question.question_format.option_based?)
#  }
#
#  # Make sure the plan and question are associated with the same template!
#  validates :plan, :question, answer_for_correct_template: true



  ##
  # deep copy the given answer
  #
  # @params [Answer] question_option to be deep copied
  # @return [Answer] the saved, copied answer
  def self.deep_copy(answer)
    answer_copy = answer.dup
    answer_copy.save!
    return answer_copy
  end
end