{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://itworx.tech/schemas/mobilityops-events-v1.json",
  "title": "MobilityOps event envelope",
  "type": "object",
  "required": ["event_id", "event_type", "occurred_at", "correlation_id", "aggregate", "data"],
  "properties": {
    "event_id": {"type": "string", "format": "uuid"},
    "event_type": {"const": "vehicle.returned.v1"},
    "occurred_at": {"type": "string", "format": "date-time"},
    "correlation_id": {"type": "string"},
    "aggregate": {
      "type": "object",
      "required": ["type", "id", "public_ref"],
      "properties": {
        "type": {"const": "booking"},
        "id": {"type": "string", "format": "uuid"},
        "public_ref": {"type": "string"}
      },
      "additionalProperties": false
    },
    "data": {
      "type": "object",
      "required": ["vehicle_ref", "inspection_ref", "resulting_vehicle_status", "attention_reasons"],
      "properties": {
        "vehicle_ref": {"type": "string"},
        "inspection_ref": {"type": "string"},
        "resulting_vehicle_status": {"enum": ["cleaning", "maintenance", "blocked"]},
        "attention_reasons": {"type": "array", "items": {"type": "string"}}
      },
      "additionalProperties": false
    }
  },
  "additionalProperties": false
}