public string Build()
{
if (ObjectId == null)
{
throw new InvalidOperationException($"You must call {nameof(WithObjectId)} before building");
}
var discoveryTopicComponentType = ComponentType.GetHomeAssistantDiscoveryMqttValue()
?? ComponentType.GetHomeAssistantMqttValue();
if (NodeId != null)
{
return($"{DiscoveryPrefix}/{discoveryTopicComponentType}/{NodeId}/{ObjectId}/config");
}
else
{
return($"{DiscoveryPrefix}/{discoveryTopicComponentType}/{ObjectId}/config");
}
}