{
  "$schema": "https://json-schema.org/draft/2020-12",
  "$id": "https://productdata.volkswagenag.com/schemas/vehicle-configuration",
  "title": "Volkswagen Vehicle Configuration",
  "description": "A vehicle configuration representing a specific combination of type (trim/engine variant) and selected options in a country market.",
  "type": "object",
  "properties": {
    "typeId": {
      "type": "string",
      "format": "uuid",
      "description": "UUID of the base vehicle type (trim level and engine variant)."
    },
    "countryCode": {
      "type": "string",
      "description": "ISO 3166-2 market identifier where this configuration applies.",
      "example": "DE"
    },
    "configId": {
      "type": "string",
      "description": "Optional session identifier for resuming a saved configuration."
    },
    "selectedOptions": {
      "type": "array",
      "items": {
        "type": "string",
        "format": "uuid"
      },
      "description": "UUIDs of currently selected configuration options (colors, wheels, packages, etc.)."
    },
    "buildable": {
      "type": "boolean",
      "description": "Whether this combination of options is a buildable vehicle."
    },
    "totalPrice": {
      "$ref": "#/$defs/Price"
    }
  },
  "required": ["typeId", "countryCode"],
  "$defs": {
    "Price": {
      "type": "object",
      "description": "Price in a specific currency.",
      "properties": {
        "amount": {
          "type": "number",
          "description": "Price value."
        },
        "currency": {
          "type": "string",
          "description": "ISO 4217 currency code.",
          "example": "EUR"
        }
      }
    },
    "VehicleType": {
      "type": "object",
      "description": "A specific trim/engine variant of a vehicle model.",
      "properties": {
        "id": {"type": "string", "format": "uuid"},
        "name": {"type": "string", "description": "Type display name."},
        "basePrice": {"$ref": "#/$defs/Price"}
      }
    },
    "Option": {
      "type": "object",
      "description": "A configurable option for a vehicle type.",
      "properties": {
        "id": {"type": "string", "format": "uuid"},
        "name": {"type": "string", "description": "Option display name."},
        "category": {
          "type": "string",
          "enum": ["exterior-color", "interior", "wheels", "radio", "packages", "service"],
          "description": "Option category."
        },
        "price": {"$ref": "#/$defs/Price"}
      }
    }
  }
}