module RailsAdmin
  module Config
    module Actions
      class Dashboard < RailsAdmin::Config::Actions::Base
        RailsAdmin::Config::Actions.register(self)

        register_instance_option :root? do
          true
        end

        register_instance_option :breadcrumb_parent do
          nil
        end

        register_instance_option :controller do
          Proc.new do
            @history = @auditing_adapter && @auditing_adapter.latest || []
            @abstract_models = RailsAdmin::Config.visible_models(:controller => self).map(&:abstract_model)

            @most_recent_changes = {}
            @count = {}
            @max = 0
            @abstract_models.each do |t|
              scope = @authorization_adapter && @authorization_adapter.query(:index, t)
              current_count = t.count({}, scope)
              @max = current_count > @max ? current_count : @max
              @count[t.pretty_name] = current_count
              @most_recent_changes[t.pretty_name] = t.model.order("updated_at desc").first.try(:updated_at) rescue nil
            end
            render @action.template_name, :status => (flash[:error].present? ? :not_found : 200)
          end
        end

        register_instance_option :route_fragment do
          ''
        end

        register_instance_option :link_icon do
          'icon-home'
        end
      end
    end
  end
end