class Sequencer
  class Unit
    module Zendesk
      class Client < Sequencer::Unit::Common::Provider::Fallback

        provides :client

        private

        def client
          ZendeskAPI::Client.new do |config|
            config.url = Setting.get('import_zendesk_endpoint')

            # Basic / Token Authentication
            config.username = Setting.get('import_zendesk_endpoint_username')
            config.token    = Setting.get('import_zendesk_endpoint_key')

            # when hitting the rate limit, sleep automatically,
            # then retry the request.
            config.retry = true

            # disable cache to avoid unneeded memory consumption
            # since we are using each object only once
            # Inspired by: https://medium.com/swiftype-engineering/using-jmat-to-find-analyze-memory-in-jruby-1c4196c1ec72
            config.cache = false

            # increase timeouts to avoid network issues.
            config.client_options = {
              request: {
                open_timeout: 20, # default is 10
                timeout:      120, # default is 60
              },
            }
          end
        end
      end
    end
  end
end