using System.Threading;
using System.Threading.Tasks;

namespace MediaBrowser.Controller.ScheduledTasks;

/// <summary>
/// A no-op <see cref="IScanLeaderLease"/> used when scan-leader election is disabled or no Redis
/// connection is configured. Every instance is treated as the leader, preserving the default
/// single-instance behavior where all periodic tasks run locally.
/// </summary>
public sealed class NullScanLeaderLease : IScanLeaderLease
{
    /// <inheritdoc />
    public Task<bool> TryAcquireOrRenewAsync(CancellationToken cancellationToken = default)
        => Task.FromResult(true);
}