# frozen_string_literal: true

module DesignManagement
  module RunsDesignActions
    NoActions = Class.new(StandardError)

    # this concern requires the following methods to be implemented:
    #   current_user, target_branch, repository, commit_message
    #
    # Before calling `run_actions`, you should ensure the repository exists, by
    # calling `repository.create_if_not_exists`.
    #
    # @raise [NoActions] if actions are empty
    def run_actions(actions)
      raise NoActions if actions.empty?

      sha = repository.multi_action(current_user,
                                    branch_name: target_branch,
                                    message: commit_message,
                                    actions: actions.map(&:gitaly_action))

      ::DesignManagement::Version
        .create_for_designs(actions, sha, current_user)
        .tap { |version| post_process(version) }
    end

    private

    def post_process(version)
      version.run_after_commit_or_now do
        ::DesignManagement::NewVersionWorker.perform_async(id)
      end
    end
  end
end