using System;

namespace StellaOps.Provcache;

/// <summary>
/// Cache statistics for monitoring and diagnostics.
/// </summary>
public sealed record ProvcacheStatistics
{
    /// <summary>
    /// Total number of entries in the cache.
    /// </summary>
    public long TotalEntries { get; init; }

    /// <summary>
    /// Total number of cache hits.
    /// </summary>
    public long TotalHits { get; init; }

    /// <summary>
    /// Number of entries expiring within the next hour.
    /// </summary>
    public long ExpiringWithinHour { get; init; }

    /// <summary>
    /// Number of unique policy hashes.
    /// </summary>
    public int UniquePolicies { get; init; }

    /// <summary>
    /// Number of unique signer set hashes.
    /// </summary>
    public int UniqueSignerSets { get; init; }

    /// <summary>
    /// Oldest entry timestamp.
    /// </summary>
    public DateTimeOffset? OldestEntry { get; init; }

    /// <summary>
    /// Newest entry timestamp.
    /// </summary>
    public DateTimeOffset? NewestEntry { get; init; }
}