extend schema
  @link(
    url: "https://specs.apollo.dev/federation/v2.3"
    import: ["@key", "@shareable", "@external", "@requires"]
  )
  @link(url: "https://specs.graphql-hive.com/hive/v1.0", import: ["@meta"])
  @meta(name: "owner", content: "inventory-team")
  @meta(name: "contact", content: "#inventory-channel")

directive @meta(
  name: String!
  content: String!
) repeatable on SCHEMA | OBJECT | INTERFACE | FIELD_DEFINITION

extend type Product @key(fields: "upc dimensions") {
  """
  Universal Product Code
  """
  upc: String!
  """
  Physical dimensions (from products subgraph)
  """
  dimensions: ProductDimension @external
  """
  Delivery estimates for a given zip code (requires dimensions data)
  """
  delivery(zip: String): DeliveryEstimates
    @requires(fields: "dimensions { size weight }")
    @meta(name: "priority", content: "tier2")
}

"""
Physical dimensions of a product (shared across subgraphs)
"""
type ProductDimension @shareable {
  """
  Size description (e.g., 'Small', 'Large', '10x5x3')
  """
  size: String
  """
  Weight in pounds
  """
  weight: Float
}

"""
Delivery time estimates for a product
"""
type DeliveryEstimates @meta(name: "domain", content: "inventory") {
  """
  Estimated standard delivery date
  """
  estimatedDelivery: String
  """
  Fastest possible delivery date
  """
  fastestDelivery: String
}