# frozen_string_literal: true

module Projects
  module ImportExport
    class ParallelProjectExportWorker
      include ApplicationWorker
      include ExceptionBacktrace
      include Sidekiq::InterruptionsExhausted

      idempotent!
      data_consistency :always
      deduplicate :until_executed
      feature_category :importers
      worker_resource_boundary :memory
      urgency :low
      tags :import_shared_storage
      loggable_arguments 1, 2
      sidekiq_options retries: 3, dead: false, status_expiration: StuckExportJobsWorker::EXPORT_JOBS_EXPIRATION

      sidekiq_retries_exhausted do |job, exception|
        perform_failure(
          job,
          job['error_message'],
          exception
        )
      end

      sidekiq_interruptions_exhausted do |job|
        exception = ::Import::Exceptions::SidekiqExhaustedInterruptionsError.new(
          'Export process reached the maximum number of interruptions'
        )

        perform_failure(
          job,
          exception.message,
          exception
        )
      end

      def self.perform_failure(job, message, exception)
        export_job = ProjectExportJob.find_by(id: job['args'].first) # rubocop:disable CodeReuse/ActiveRecord -- No suitable finder
        return unless export_job

        export_job.fail_op!
        project = export_job.project

        log_payload = {
          message: 'Parallel project export error',
          export_error: message,
          project_export_job_id: export_job.id,
          project_name: project.name,
          project_id: project.id
        }

        Gitlab::ExceptionLogFormatter.format!(exception, log_payload)
        Gitlab::Export::Logger.error(log_payload)

        notify_user(job, project, message)
      end

      def self.notify_user(job, project, message)
        user = User.find_by_id(job['args'].second)
        return unless user

        NotificationService.new.project_not_exported(project, user, [message])
      end

      def perform(project_export_job_id, user_id, after_export_strategy = {})
        export_job = ProjectExportJob.find(project_export_job_id)

        return if export_job.finished?

        export_job.update_attribute(:jid, jid)
        current_user = User.find(user_id)
        after_export = build!(after_export_strategy)

        export_service = ::Projects::ImportExport::ParallelExportService.new(export_job, current_user, after_export)
        export_service.execute

        export_job.finish!
      rescue ::Import::AfterExportStrategies::AfterExportStrategyBuilder::StrategyNotFoundError
        export_job.fail_op!
      end

      private

      def build!(after_export_strategy)
        strategy_klass = after_export_strategy&.delete('klass')

        ::Import::AfterExportStrategies::AfterExportStrategyBuilder.build!(strategy_klass, after_export_strategy)
      end
    end
  end
end
