// Copyright Epic Games, Inc. All Rights Reserved.

#pragma once

#include <cstdint>

namespace zen {

// state.cbo schema version. Bump on any incompatible change to the manifest layout.
// Hydrate refuses to read a manifest with a higher version than this. Manifests written
// by older binaries omit the field; treated as version 0 and decoded best-effort
// (missing optional fields like Packs[] / StorageSettings fall back to defaults).
inline constexpr uint32_t HydrationSchemaVersion = 1;

// Multipart chunk size used by the S3 backend when hydrating/dehydrating large files.
// Dehydrate writes the chosen size into state.cbo so hydrate replays with the same
// partitioning. State records without the field fall back to this default.
inline constexpr uint64_t DefaultMultipartChunkSize = 64u * 1024u * 1024u;

// Files strictly smaller than this are candidates for packing.
inline constexpr uint64_t DefaultPackThresholdBytes = 256u * 1024u;

// Upper bound on the concatenation size of a single pack. Packs are stored raw (no compression).
inline constexpr uint64_t DefaultMaxPackBytes = 4u * 1024u * 1024u;

}  // namespace zen