module Ecoportal
  module API
    class GraphQL
      module Base
        class Connection < Ecoportal::API::GraphQL::Base::Model
          class GenericNode
            def initialize(*args, **kargs)
              raise "Missuse error. You should define a node_class for a class that inherits from GraphqlConnection class."
            end
          end

          include Enumerable

          class_resolver :node_class, GenericNode

          passthrough :edges
          passthrough :totalCount
          embeds_many :nodes, klass: :node_class
          embeds_one :pageInfo, klass: Ecoportal::API::GraphQL::Base::PageInfo

          def empty?
            count < 1
          end

          def each(&block)
            return to_enum(:each) unless block
            nodes.each(&block)
          end
        end
      end
    end
  end
end