{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.com/schemas/confluent-schema-registry/schema-registry-schema.json",
  "title": "Confluent Schema Registry Schema",
  "description": "Schema for a schema object stored in Confluent Schema Registry.",
  "type": "object",
  "properties": {
    "subject": {
      "type": "string",
      "description": "The subject the schema is registered under"
    },
    "id": {
      "type": "integer",
      "description": "Globally unique schema ID"
    },
    "version": {
      "type": "integer",
      "description": "Version number within the subject"
    },
    "schemaType": {
      "type": "string",
      "enum": ["AVRO", "JSON", "PROTOBUF"],
      "default": "AVRO",
      "description": "The type of schema"
    },
    "schema": {
      "type": "string",
      "description": "The schema definition as a string"
    },
    "references": {
      "type": "array",
      "description": "References to other schemas",
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "description": "Reference name used in the schema"
          },
          "subject": {
            "type": "string",
            "description": "Subject of the referenced schema"
          },
          "version": {
            "type": "integer",
            "description": "Version of the referenced schema"
          }
        },
        "required": ["name", "subject", "version"]
      }
    },
    "compatibilityLevel": {
      "type": "string",
      "enum": [
        "BACKWARD",
        "BACKWARD_TRANSITIVE",
        "FORWARD",
        "FORWARD_TRANSITIVE",
        "FULL",
        "FULL_TRANSITIVE",
        "NONE"
      ],
      "description": "Compatibility level for this subject"
    }
  },
  "required": ["schema"]
}