{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/Delivery",
  "title": "Delivery",
  "type": "object",
  "description": "The current state of a delivery including driver and tracking details.",
  "properties": {
    "order_uuid": {
      "type": "string",
      "format": "uuid",
      "description": "The UUID of the associated order."
    },
    "status": {
      "type": "string",
      "description": "The current lifecycle status of the delivery.",
      "enum": [
        "PENDING",
        "DRIVER_ASSIGNED",
        "DRIVER_EN_ROUTE_TO_PICKUP",
        "ARRIVED_AT_PICKUP",
        "PICKED_UP",
        "OUT_FOR_DELIVERY",
        "ARRIVED_AT_DROPOFF",
        "DELIVERED",
        "CANCELLED"
      ]
    },
    "driver": {
      "$ref": "#/components/schemas/Driver"
    },
    "pickup_eta": {
      "type": "string",
      "format": "date-time",
      "description": "Estimated time of arrival at the pickup location."
    },
    "dropoff_eta": {
      "type": "string",
      "format": "date-time",
      "description": "Estimated time of arrival at the delivery location."
    },
    "tracking_url": {
      "type": "string",
      "format": "uri",
      "description": "A URL providing real-time delivery status updates, courier tracking, courier name, and contact options."
    },
    "updated_at": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp of the last delivery status update."
    }
  }
}