module Ecoportal
  module API
    class GraphQL
      module Base
        class Query
          class GenericItem
            def initialize(*args, **kargs)
              raise "Missuse error. You should define a item_class for a class that inherits from Query class."
            end
          end

          include Ecoportal::API::Common::GraphQL::ClassHelpers

          inheritable_attrs :accepted_params

          class << self
            def accepted_params(*keys)
              @accepted_params ||= []
              return @accepted_params if keys.empty?
              @accepted_params.push(*keys).tap {|ks| ks.uniq!}
            end

            def clear_accepted_params
              @accepted_params = []
            end

            def slice_params(kargs)
              kargs.slice(*accepted_params)
            end
          end

          class_resolver :item_class, GenericItem
          attr_reader :client

          def initialize(client)
            @client = client
          end

          def response_class
            item_class
          end

          def access_point(path = [])
            path.last
          end

          def request(*path)
            response = yield
            wrap_response(response, path)
          end

          def wrap_response(response, path = [])
            raise "Complete failure on request. Path: #{path}" unless res = response.to_h.dig("data", *path)
            data = Ecoportal::API::Common::GraphQL::HashHelpers.deep_dup(res)
            response_class.new(data)
          end
        end
      end
    end
  end
end