class ShopifyAPI::Webhooks::Registration

def build_check_query; end

def build_register_query(webhook_id: nil)
  identifier = webhook_id ? "id: \"#{webhook_id}\"" : "topic: #{@topic}"
  subscription_args_string = subscription_args.map do |k, v|
    "#{k}: #{[:includeFields, :metafieldNamespaces].include?(k) ? v : %("#{v}")}"
  end.join(", ")
  <<~QUERY
    mutation webhookSubscription {
      #{mutation_name(webhook_id)}(#{identifier}, webhookSubscription: {#{subscription_args_string}}) {
        userErrors {
          field
          message
        }
        webhookSubscription {
          #{subscription_response_attributes.join("\n      ")}
        }
      }
    }
  QUERY
end

def callback_address; end

def initialize(topic:, path:, handler: nil, fields: nil, metafield_namespaces: nil)
  @topic = T.let(topic.gsub("/", "_").upcase, String)
  @path = path
  @handler = handler
  fields_array = fields.is_a?(String) ? fields.split(FIELDS_DELIMITER) : fields
  @fields = T.let(fields_array&.map(&:strip)&.compact, T.nilable(T::Array[String]))
  @metafield_namespaces = T.let(metafield_namespaces&.map(&:strip)&.compact, T.nilable(T::Array[String]))
end

def mutation_name(webhook_id); end

def parse_check_result(body); end

def subscription_args; end

def subscription_response_attributes
  attributes = ["id"]
  attributes << "includeFields" if @fields
  attributes << "metafieldNamespaces" if @metafield_namespaces
  attributes
end