# == Schema Information
#
# Table name: offlines
#
#  id         :integer          not null, primary key
#  completed  :boolean
#  end_time   :datetime
#  name       :string           not null
#  start_time :datetime         not null
#  created_at :datetime         not null
#  updated_at :datetime         not null
#  contest_id :integer          not null
#
# Indexes
#
#  index_offlines_on_contest_id  (contest_id)
#
# Foreign Keys
#
#  contest_id  (contest_id => contests.id)
#
class Offline < ApplicationRecord
  belongs_to :contest

  has_many_attached :images

  generates_token_for :token

  validates :name, presence: true
  validates :start_time, presence: true

  validate :end_image_is_present
  validate :start_image_is_present

  def end_image_is_present
    if self.completed && self.images.length < 2
      errors.add(:end_image, I18n.t("activerecord.errors.models.offline.attributes.end_image.blank"))
    end
  end

  def start_image_is_present
    if !self.images.attached?
      errors.add(:images, I18n.t("activerecord.errors.models.offline.attributes.start_image.blank"))
    end
  end
end