module Pagy::ElasticsearchRailsExtra::BackendAddOn

def pagy_elasticsearch_rails(pagy_search_args, **vars)
  vars[:page]  ||= pagy_get_page(vars)
  vars[:limit] ||= pagy_get_limit(vars)
  model, query_or_payload, options, *called = pagy_search_args
  options[:size] = vars[:limit]
  options[:from] = vars[:limit] * ((vars[:page] || 1) - 1)
  response       = model.send(DEFAULT[:elasticsearch_rails_search], query_or_payload, **options)
  vars[:count]   = ElasticsearchRailsExtra.total_count(response)
  pagy = ::Pagy.new(**vars)
  # with :last_page overflow we need to re-run the method in order to get the hits
  return pagy_elasticsearch_rails(pagy_search_args, **vars, page: pagy.page) \
         if defined?(::Pagy::OverflowExtra) && pagy.overflow? && pagy.vars[:overflow] == :last_page
  [pagy, called.empty? ? response : response.send(*called)]
end