# frozen_string_literal: true

require 'rails_admin/config/fields/association'
require 'rails_admin_globalize_field/tab'

# Custom rails_admin field to add tabs for globalize translations
module RailsAdminGlobalizeField
  class GlobalizeTabs < RailsAdmin::Config::Fields::Association
    RailsAdmin::Config::Fields::Types.register(:globalize_tabs, self)

    register_instance_option :partial do
      :form_globalize_tabs
    end

    register_instance_option :build_if_missing do
      true
    end

    def method_name
      "#{super}_attributes".to_sym
    end

    def available_locales
      I18n.available_locales
    end

    def tabs
      tabs =
        available_locales.map do |locale|
          translation = bindings[:object].translation_for(locale, build_if_missing)
          RailsAdminGlobalizeField::Tab.new(locale, translation, validate: submit_action?) if translation
        end.compact

      activate_tab(tabs)
      tabs
    end

    # Hack to distinguish between REST new/edit and create/update actions.
    # Taken from rails_admin/configs/new.rb
    def submit_action?
      !bindings[:controller].request.get?
    end

    def activate_tab(tabs)
      opened = tabs.find(&:invalid?) || tabs.first
      opened&.active!
    end
  end
end