class ImagesController < ApplicationController
  include ExtendedContentController
  include MayBeUploadAsServiceController

  def index
    redirect_to_search_for('StillImage')
  end

  def list
    respond_to do |format|
      format.html { redirect_to basket_still_image_index_path }
      format.rss do
        date = DateTime.parse(params[:updated_since]) if params[:updated_since]
        date = DateTime.now.beginning_of_month        if date.nil?

        @list_type = 'StillImage'
        @items = StillImage.updated_since(date)
        render 'shared/list'
      end
    end
  end

  def show
    @still_image = prepare_item_and_vars
    @comments = @still_image.non_pending_comments

    @creator = @still_image.creator
    @last_contributor = @still_image.contributors.last || @creator

    @related_item_topics = @still_image.related_items.select { |ri| ri.is_a? Topic }

    @view_size = params[:view_size] || 'medium'
    @image_file = ImageFile.find_by_thumbnail_and_still_image_id(@view_size, params[:id])

    exclude = { conditions: "user_portrait_relations.position != 1 AND user_portrait_relations.still_image_id != #{@still_image.id}" }
    @portraits_total_count = @still_image.creator.portraits.count(exclude)
    @viewer_portraits = @portraits_total_count > 0 ? @still_image.creator.portraits.all(exclude.merge(limit: 12)) : nil
    @still_image_is_portrait = @still_image.portrayed_user.present?

    respond_to do |format|
      format.html
      format.xml { render_oai_record_xml(item: @still_image) }
    end
  end

  def new
    @still_image = StillImage.new
  end

  def create
    @still_image = StillImage.new

    # There appears to be a bug in either Passenger or Rack that causes blank params with no
    # decendant values to be removed from the params hash by the time it reaches Rails
    params[:image_file] = {} unless params[:image_file]

    # handle problems with image file first
    @image_file = ImageFile.new(params[:image_file].merge({
                                                            file_private: params[:still_image][:file_private],
                                                            item_private: params[:still_image][:private]
                                                          }))

    @successful = @image_file.save

    if @successful

      @still_image = StillImage.new(params[:still_image])

      # if we are allowing harvesting of embedded metadata from the image_file
      # we need to grab it from the image_file's file path
      @still_image.populate_attributes_from_embedded_in(@image_file.full_filename) if SystemSetting.enable_embedded_support

      @successful = @still_image.save

      if @successful
        # add this to the user's empire of creations
        # TODO: allow current_user whom is at least moderator to pick another user
        # as creator
        @still_image.creator = current_user

        @still_image.do_notifications_if_pending(1, current_user)

        @image_file.still_image_id = @still_image.id
        @image_file.save

        # Set the file privacy ahead of time so AttachmentFuOverload can find the value..# attachment_fu doesn't insert our still_image_id into the thumbnails
        # automagically
        @image_file.thumbnails.each do |thumb|
          thumb.still_image_id = @still_image.id
          thumb.save!
        end

        if params[:portrait]
          UserPortraitRelation.new_portrait_for(current_user, @still_image)
          if params[:selected_portrait]
            UserPortraitRelation.make_portrait_selected_for(current_user, @still_image)
          end
        end
      end

      setup_related_topic_and_zoom_and_redirect(@still_image, nil, private: (params[:still_image][:private] == 'true'))
    else
      render action: 'new'
    end
  end

  def edit
    @still_image = StillImage.find(params[:id])
    public_or_private_version_of(@still_image)
  end

  def update
    @still_image = StillImage.find(params[:id])

    version_after_update = @still_image.max_version + 1

    @still_image.attributes = params[:still_image]
    @successful = @still_image.save

    if @successful
      # if they have uploaded something new, insert it
      @image_file = ImageFile.update_attributes(params[:image_file]) if !params[:image_file][:uploaded_data].blank?

      after_successful_zoom_item_update(@still_image, version_after_update)
      flash[:notice] = t('images_controller.update.updated')

      redirect_to_show_for(@still_image, private: (params[:still_image][:private] == 'true'))
    else
      render action: 'edit'
    end
  end

  def destroy
    zoom_destroy_and_redirect('StillImage', 'Image')
  end
end
