# Copyright (C) 2012-2024 Zammad Foundation, https://zammad-foundation.org/

class Sequencer::Unit::Import::Exchange::AttributeExamples < Sequencer::Unit::Base
  include ::Sequencer::Unit::Exchange::Folders::Mixin::Folder

  uses :ews_folder_ids
  provides :ews_attributes_examples

  def process
    state.provide(:ews_attributes_examples) do
      ::Import::Helper::AttributesExamples.new do |extractor|

        ews_folder_ids.collect do |folder_id|

          ews_folder.find(folder_id).items.each do |item|

            attributes = ::Import::Exchange::ItemAttributes.extract(item)
            extractor.extract(attributes)

            break if extractor.enough
          rescue => e
            Rails.logger.error 'Unable to process Exchange folder item'
            Rails.logger.debug { item.inspect }
            Rails.logger.error e
            nil
          end
        rescue NoMethodError => e
          raise if e.message.exclude?('Viewpoint::EWS::')

          logger.error e
          logger.error "Skipping folder_id '#{folder_id}' due to unsupported entries."

        end
      end.examples
    end
  end
end