# frozen_string_literal: true

# This Karafka component is a Pro component under a commercial license.
# This Karafka component is NOT licensed under LGPL.
#
# All of the commercial components are present in the lib/karafka/pro directory of this
# repository and their usage requires commercial license agreement.
#
# Karafka has also commercial-friendly license, commercial support and commercial components.
#
# By sending a pull request to the pro components, you are agreeing to transfer the copyright of
# your code to Maciej Mensfeld.

module Karafka
  module Pro
    module Processing
      module Strategies
        # DLQ enabled
        # Long-Running Job enabled
        module DlqLrj
          # Order here matters, lrj needs to be second
          include Dlq
          include Lrj

          # Features for this strategy
          FEATURES = %i[
            dead_letter_queue
            long_running_job
          ].freeze

          # LRJ standard flow after consumption with DLQ dispatch
          def handle_after_consume
            coordinator.on_finished do |last_group_message|
              if coordinator.success?
                coordinator.pause_tracker.reset

                mark_as_consumed(last_group_message) unless revoked?
                seek(coordinator.seek_offset) unless revoked?

                resume
              elsif coordinator.pause_tracker.attempt <= topic.dead_letter_queue.max_retries
                pause(coordinator.seek_offset)
              else
                coordinator.pause_tracker.reset

                skippable_message = find_skippable_message

                unless revoked?
                  dispatch_to_dlq(skippable_message)
                  mark_as_consumed(skippable_message)
                end

                # This revoke might have changed state due to marking, hence checked again
                seek(coordinator.seek_offset) unless revoked?

                resume
              end
            end
          end
        end
      end
    end
  end
end