class TitleProviderGroupName < ActiveRecord::Base
  has_many :providers, through: :title_provider_groups
  has_many :title_provider_groups, -> { includes(:provider, :authorizations).order('providers.name') }, dependent: :destroy

  has_many :titles, dependent: :nullify

  belongs_to :country

  validates_presence_of :name
  validates_presence_of :country
  validates_associated :country
  validates_uniqueness_of :name, scope: :country_id
  accepts_nested_attributes_for :title_provider_groups, allow_destroy: true, reject_if: :all_blank

  def self.create_tpgn(name)
    self.create(name: name, country_id: 1)
  end

  def add_provider(provider_params)
    group = TitleProviderGroup.new(provider_id: provider_params[:id])
    if provider_params[:authorizations]
      provider_params[:authorizations].each do |authorization|
        group.authorizations << Authorization.create(permission_label_id: authorization)
      end
    end
    title_provider_groups << group
  end

end