# frozen_string_literal: true

module Projects
  module Registry
    class RepositoriesController < ::Projects::Registry::ApplicationController
      include PackagesHelper
      include ::Registry::ConnectionErrorsHandler

      before_action :authorize_update_container_image!, only: [:destroy]

      before_action do
        push_frontend_feature_flag(:container_registry_show_shortened_path, project)
      end

      def index
        respond_to do |format|
          format.html { ensure_root_container_repository! }
          format.json { render_404 }
        end
      end

      # The show action renders index to allow frontend routing to work on page refresh
      def show
        render :index
      end

      def destroy
        image.delete_scheduled!
        DeleteContainerRepositoryWorker.perform_async(current_user.id, image.id) # rubocop:disable CodeReuse/Worker
        track_package_event(:delete_repository, :container)

        respond_to do |format|
          format.json { head :no_content }
        end
      end

      private

      def image
        @image ||= project.container_repositories.find(params[:id])
      end

      ##
      # Container repository object for root project path.
      #
      # Needed to maintain a backwards compatibility.
      #
      def ensure_root_container_repository!
        ::ContainerRegistry::Path.new(@project.full_path).tap do |path|
          break if path.has_repository?

          ::ContainerRepository.build_from_path(path).tap do |repository|
            repository.save! if repository.has_tags?
          end
        end
      end
    end
  end
end