class Locale < ApplicationRecord
  belongs_to :language
  validates_presence_of :iso
  validates :iso, uniqueness: true
  validates_presence_of :name

  scope :default_order, -> { order(:iso) }

  def to_param
    iso
  end

  def self.default
    language = Language.default
    Locale.set_base_locale(iso: ArchiveConfig.DEFAULT_LOCALE_ISO, name: ArchiveConfig.DEFAULT_LOCALE_NAME, language_id: language.id)
  end

  def self.set_base_locale(locale={iso: "en", name: "English"})
    language = Language.find_by(short: ArchiveConfig.DEFAULT_LANGUAGE_SHORT)
    Locale.find_by(iso: locale[:iso].to_s) || language.locales.create(iso: locale[:iso].to_s, name: locale[:name].to_s, main: 1)
  end

  after_update :update_translations, if: :saved_change_to_iso?
  def update_translations
    ArchiveFaq::Translation.where(locale: iso_before_last_save).update_all(locale: iso)
    Question::Translation.where(locale: iso_before_last_save).update_all(locale: iso)
  end
end