using System.Linq.Expressions;

namespace DigitalData.Core.Abstractions.Infrastructure;

public static class Extensions
{
    public static async Task<TEntity?> ReadFirstOrDefaultAsync<TEntity>(this IRepository<TEntity> repository, Expression<Func<TEntity, bool>>? expression = null)
        => (await repository.ReadAsync(expression)).FirstOrDefault();

    public static async Task<TEntity> ReadFirstAsync<TEntity>(this IRepository<TEntity> repository, Expression<Func<TEntity, bool>>? expression = null)
        => (await repository.ReadAsync(expression)).First();

    public static async Task<TEntity?> ReadSingleOrDefaultAsync<TEntity>(this IRepository<TEntity> repository, Expression<Func<TEntity, bool>>? expression = null)
        => (await repository.ReadAsync(expression)).SingleOrDefault();

    public static async Task<TEntity> ReadSingleAsync<TEntity>(this IRepository<TEntity> repository, Expression<Func<TEntity, bool>>? expression = null)
        => (await repository.ReadAsync(expression)).Single();
}