using System.Threading;
using System.Threading.Tasks;
using xModels.Base;

namespace xDataService.Interfaces
{
    /// <summary>
    /// Non Generic Key Generator Interface ...
    /// </summary>
    public interface IXKeyGenerator { }

    /// <summary>
    /// Typed Base Key Generator ...
    /// </summary>
    /// <typeparam name="TEntity"></typeparam>
    /// <typeparam name="TKey"></typeparam>
    public interface IXKeyGenerator<TEntity, TKey> : IXKeyGenerator
    where TEntity : XBaseEntity<TKey>
    {
        bool IsEmpty(TKey id);
        Task<TKey> GenerateKey(
            IXBaseRepository<TEntity, TKey> repository,
            CancellationToken cancellationToken = default
        );
    }
}