class Poll::Question::Answer < ApplicationRecord
  include Galleryable
  include Documentable

  translates :title,       touch: true
  translates :description, touch: true
  include Globalizable

  accepts_nested_attributes_for :documents, allow_destroy: true

  belongs_to :question, class_name: "Poll::Question"
  has_many :videos, class_name: "Poll::Question::Answer::Video", dependent: :destroy

  validates_translation :title, presence: true
  validates :given_order, presence: true, uniqueness: { scope: :question_id }

  scope :with_content, -> { where.not(id: without_content) }
  scope :without_content, -> do
    where(description: "")
      .where.missing(:images)
      .where.missing(:documents)
      .where.missing(:videos)
  end

  def self.order_answers(ordered_array)
    ordered_array.each_with_index do |answer_id, order|
      find(answer_id).update_column(:given_order, (order + 1))
    end
  end

  def self.last_position(question_id)
    where(question_id: question_id).maximum("given_order") || 0
  end

  def total_votes
    Poll::Answer.where(question_id: question, answer: title).count +
      ::Poll::PartialResult.where(question: question).where(answer: title).sum(:amount)
  end

  def total_votes_percentage
    question.answers_total_votes.zero? ? 0 : (total_votes * 100.0) / question.answers_total_votes
  end

  def with_read_more?
    description.present? || images.any? || documents.any? || videos.any?
  end
end