module ActiveAdmin
  module Globalize
    module FormBuilderExtension
      extend ActiveSupport::Concern

      def translated_inputs(name = "Translations", options = {}, &block)
        options.symbolize_keys!
        switch_locale = options.fetch(:switch_locale, false)
        auto_sort = options.fetch(:auto_sort, true)
        # form_buffers.last << template.content_tag(:div, class: "activeadmin-translations") do
        if self.respond_to?(:form_buffers)
          html = form_buffers.last
        else
          html = "".html_safe
        end
        html << template.content_tag(:div, class: "activeadmin-translations") do
          template.content_tag(:ul, class: "available-locales") do
            (auto_sort ? I18n.available_locales.sort : I18n.available_locales).map do |locale|
              template.content_tag(:li) do
                I18n.with_locale(switch_locale ? locale : I18n.locale) do
                  template.content_tag(:a, I18n.t(:"active_admin.globalize.language.#{locale}"), href:".locale-#{locale}")
                end
              end
            end.join.html_safe
          end <<
          (auto_sort ? I18n.available_locales.sort : I18n.available_locales).map do |locale|
            translation = object.translations.find { |t| t.locale.to_s == locale.to_s }
            translation ||= object.translations.build(locale: locale)
            fields = proc do |form|
              form.input(:locale, as: :hidden)
              form.input(:id, as: :hidden)
              I18n.with_locale(switch_locale ? locale : I18n.locale) do
                block.call(form)
              end
            end
            inputs_for_nested_attributes(
              for: [:translations, translation ],
              class: "inputs locale locale-#{translation.locale}",
              &fields
            )
          end.join.html_safe
        end
      end

      module ClassMethods
      end
    end
  end
end