schema
  @link(url: "https://specs.apollo.dev/link/v1.0")
  @link(url: "https://specs.apollo.dev/join/v0.3", for: EXECUTION) {
  query: Query
}

directive @join__enumValue(graph: join__Graph!) repeatable on ENUM_VALUE

directive @join__graph(name: String!, url: String!) on ENUM_VALUE

directive @join__field(
  graph: join__Graph
  requires: join__FieldSet
  provides: join__FieldSet
  type: String
  external: Boolean
  override: String
  usedOverridden: Boolean
) repeatable on FIELD_DEFINITION | INPUT_FIELD_DEFINITION

directive @join__implements(
  graph: join__Graph!
  interface: String!
) repeatable on OBJECT | INTERFACE

directive @join__type(
  graph: join__Graph!
  key: join__FieldSet
  extension: Boolean! = false
  resolvable: Boolean! = true
  isInterfaceObject: Boolean! = false
) repeatable on OBJECT | INTERFACE | UNION | ENUM | INPUT_OBJECT | SCALAR

directive @join__unionMember(graph: join__Graph!, member: String!) repeatable on UNION

scalar join__FieldSet

directive @link(
  url: String
  as: String
  for: link__Purpose
  import: [link__Import]
) repeatable on SCHEMA

scalar link__Import

enum link__Purpose {
  """
  `SECURITY` features provide metadata necessary to securely resolve fields.
  """
  SECURITY

  """
  `EXECUTION` features provide metadata necessary for operation execution.
  """
  EXECUTION
}

enum join__Graph {
  PRODUCTS
    @join__graph(name: "products", url: "https://federation-demo.theguild.workers.dev/products")
  REVIEWS @join__graph(name: "reviews", url: "https://federation-demo.theguild.workers.dev/reviews")
  USERS @join__graph(name: "users", url: "https://federation-demo.theguild.workers.dev/users")
}

type Query @join__type(graph: PRODUCTS) @join__type(graph: REVIEWS) @join__type(graph: USERS) {
  topProducts(first: Int = 5): [Product] @join__field(graph: PRODUCTS)
  me: User @join__field(graph: USERS)
  user(id: ID!): User @join__field(graph: USERS)
  users: [User] @join__field(graph: USERS)
}

type Product @join__type(graph: PRODUCTS, key: "upc") @join__type(graph: REVIEWS, key: "upc") {
  upc: String!
  name: String @join__field(graph: PRODUCTS)
  price: Int @join__field(graph: PRODUCTS)
  weight: Int @join__field(graph: PRODUCTS)
  reviews: [Review] @join__field(graph: REVIEWS)
}

type Review @join__type(graph: REVIEWS, key: "id") {
  id: ID!
  body: String
  author: User @join__field(graph: REVIEWS, provides: "username")
  product: Product
}

type User @join__type(graph: REVIEWS, key: "id") @join__type(graph: USERS, key: "id") {
  username: String @join__field(graph: REVIEWS, external: true) @join__field(graph: USERS)
  id: ID!
  reviews: [Review] @join__field(graph: REVIEWS)
  name: String @join__field(graph: USERS)
}
