namespace FrostFS.SDK;

public class Constants
{
    public const int ObjectChunkSize = 3 * (1 << 20); 
    public const int Sha256HashLength = 32;

    // HeaderPrefix is a prefix of key to object header value or property.
    public const string HeaderPrefix = "$Object:";

    // FilterHeaderVersion is a filter key to "version" field of the object header.
    public const string FilterHeaderVersion = HeaderPrefix + "version";

    // FilterHeaderObjectID is a filter key to "object_id" field of the object.
    public const string FilterHeaderObjectID = HeaderPrefix + "objectID";

    // FilterHeaderContainerID is a filter key to "container_id" field of the object header.
    public const string FilterHeaderContainerID = HeaderPrefix + "containerID";

    // FilterHeaderOwnerID is a filter key to "owner_id" field of the object header.
    public const string FilterHeaderOwnerID = HeaderPrefix + "ownerID";

    // FilterHeaderCreationEpoch is a filter key to "creation_epoch" field of the object header.
    public const string FilterHeaderCreationEpoch = HeaderPrefix + "creationEpoch";

    // FilterHeaderPayloadLength is a filter key to "payload_length" field of the object header.
    public const string FilterHeaderPayloadLength = HeaderPrefix + "payloadLength";

    // FilterHeaderPayloadHash is a filter key to "payload_hash" field of the object header.
    public const string FilterHeaderPayloadHash = HeaderPrefix + "payloadHash";

    // FilterHeaderObjectType is a filter key to "object_type" field of the object header.
    public const string FilterHeaderObjectType = HeaderPrefix + "objectType";

    // FilterHeaderHomomorphicHash is a filter key to "homomorphic_hash" field of the object header.
    public const string FilterHeaderHomomorphicHash = HeaderPrefix + "homomorphicHash";

    // FilterHeaderParent is a filter key to "split.parent" field of the object header.
    public const string FilterHeaderParent = HeaderPrefix + "split.parent";

    // FilterHeaderSplitID is a filter key to "split.splitID" field of the object header.
    public const string FilterHeaderSplitID = HeaderPrefix + "split.splitID";

    // FilterHeaderECParent is a filter key to "ec.parent" field of the object header.
    public const string FilterHeaderECParent = HeaderPrefix + "ec.parent";

    // FilterPropertyRoot is a filter key to check if regular object is on top of split hierarchy.
    public const string FilterHeaderRoot = HeaderPrefix + "ROOT";

    // FilterPropertyPhy is a filter key to check if an object physically stored on a node.
    public const string FilterHeaderPhy = HeaderPrefix + "PHY";
}