module Spree
  module Admin
    class ImagesController < ResourceController
      before_filter :load_data

      create.before :set_viewable
      update.before :set_viewable
      destroy.before :destroy_before

      def update_positions
        params[:positions].each do |id, index|
          Image.where(:id => id).update_all(:position => index)
        end

        respond_to do |format|
          format.js  { render :text => 'Ok' }
        end
      end


      private
  
        def location_after_save
          admin_product_images_url(@product)
        end

        def load_data
          @product = Product.find_by_permalink(params[:product_id])
          @variants = @product.variants.collect do |variant|
            [variant.options_text, variant.id]
          end
          @variants.insert(0, [I18n.t(:all), 'All'])
        end

        def set_viewable
          if params[:image].has_key? :viewable_id
            if params[:image][:viewable_id] == 'All'
              @image.viewable = @product.master
            else
              @image.viewable_type = 'Spree::Variant'
              @image.viewable_id = params[:image][:viewable_id]
            end
          else
            @image.viewable = @product.master
          end
        end

        def destroy_before
          @viewable = @image.viewable
        end

    end
  end
end