class Locale < ApplicationRecord
  after_create_commit :generate_tag_names!

  belongs_to :language, foreign_key: :language_code, primary_key: :code
  belongs_to :script, foreign_key: :script_code, primary_key: :code

  enum :code, ja: 'ja', en: 'en', fr: 'fr'

  def self.nipponese = Locale.find('ja')

  private

  def generate_tag_names!
    ApplicationRecord.transaction do
      tag_ids = TagName.where(language_code:, primary_flg: true).pluck(:tag_id)
      Tag.where.not(id: tag_ids).find_each do
        TagName.create!(tag_id: _1.id,
                        language_code:,
                        name: TagName.generate_name(self, _1, _1.tag_name('ja')),
                        script_code:,
                        primary_flg: true,
                        auto_generated: true,
                        canonical_id: nil)
      end
    end
  end
end