namespace StellaOps.Scheduler.WebService;

/// <summary>
/// Legacy system clock interface. Prefer using TimeProvider instead.
/// </summary>
[Obsolete("Use TimeProvider instead. This interface is retained for backward compatibility.")]
public interface ISystemClock
{
    DateTimeOffset UtcNow { get; }
}

/// <summary>
/// Legacy system clock implementation. Prefer using TimeProvider instead.
/// </summary>
[Obsolete("Use TimeProvider instead. This class is retained for backward compatibility.")]
public sealed class SystemClock : ISystemClock
{
    private readonly TimeProvider _timeProvider;

    public SystemClock(TimeProvider? timeProvider = null)
    {
        _timeProvider = timeProvider ?? TimeProvider.System;
    }

    public DateTimeOffset UtcNow => _timeProvider.GetUtcNow();
}