{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "/schemas/core/geo-place-area.json",
  "title": "Geographic Place Area",
  "description": "A catalog-backed named place target. Values are stable identifiers in the declared system. Entries within geo_places form a union; different geographic inclusion dimensions intersect. value_labels are diagnostic only and MUST NOT be used to resolve targeting.",
  "x-adcp-validation": {
    "map_keys_subset_of_array": { "map_field": "value_labels", "array_field": "values" },
    "description": "Every value_labels key MUST also appear in values. JSON Schema draft-07 cannot express this sibling-field key membership constraint, so conformance tooling must enforce it."
  },
  "type": "object",
  "properties": {
    "country": {
      "type": "string",
      "pattern": "^[A-Z]{2}$",
      "description": "ISO 3166-1 alpha-2 country code containing the place."
    },
    "system": {
      "$ref": "/schemas/core/geo-place-system.json"
    },
    "system_version": {
      "type": "string",
      "minLength": 1,
      "description": "Optional exact catalog version from the seller's declared supported_versions. When omitted, the seller applies catalog.current_version and MUST echo that version on persisted package state."
    },
    "place_type": {
      "$ref": "/schemas/core/geo-place-type.json"
    },
    "values": {
      "type": "array",
      "description": "Stable place identifiers in the declared system. Display names are not valid targeting values.",
      "items": {
        "type": "string",
        "minLength": 1
      },
      "minItems": 1,
      "uniqueItems": true
    },
    "value_labels": {
      "type": "object",
      "description": "Optional human-readable diagnostic labels keyed by identifiers present in values. Extra keys are a conformance error. Labels are non-authoritative and MUST NOT be used to resolve or apply targeting.",
      "additionalProperties": {
        "type": "string",
        "minLength": 1
      }
    },
    "ext": {
      "$ref": "/schemas/core/ext.json"
    }
  },
  "required": ["country", "system", "place_type", "values"],
  "allOf": [
    {
      "if": {
        "properties": {
          "system": { "enum": ["geonames", "google_ads", "microsoft_ads"] }
        },
        "required": ["system"]
      },
      "then": {
        "properties": {
          "values": {
            "items": {
              "type": "string",
              "pattern": "^[0-9]+$"
            }
          }
        }
      }
    }
  ],
  "additionalProperties": false
}