using System;

namespace StellaOps.Provcache;

/// <summary>
/// Metadata for a single chunk (no blob).
/// </summary>
public sealed record ChunkMetadata
{
    /// <summary>
    /// Chunk identifier.
    /// </summary>
    public required Guid ChunkId { get; init; }

    /// <summary>
    /// Zero-based index.
    /// </summary>
    public required int Index { get; init; }

    /// <summary>
    /// SHA256 hash for verification.
    /// </summary>
    public required string Hash { get; init; }

    /// <summary>
    /// Size in bytes.
    /// </summary>
    public required int Size { get; init; }

    /// <summary>
    /// Content type.
    /// </summary>
    public required string ContentType { get; init; }
}