using System.Linq.Expressions;

namespace XLIMS.CONTRACT
{
    // Интерфейс generic-репозитория
    public interface IGenericRepository<TEntity> where TEntity : class
    {
        Task<TEntity> GetByIdAsync(int id);
        Task<IEnumerable<TEntity>> GetAllAsync();
        Task<IEnumerable<TEntity>> WhereAsync(Expression<Func<TEntity, bool>> predicate);
        IEnumerable<TEntity> Find(Expression<Func<TEntity, bool>> predicate);
        Task<IEnumerable<TEntity>> FindAsync(Expression<Func<TEntity, bool>> predicate);

        Task<TEntity> SingleOrDefaultAsync(Expression<Func<TEntity, bool>> predicate);

        Task AddAsync(TEntity entity);
        Task AddRangeAsync(IEnumerable<TEntity> entities);

        Task UpdateAsync(TEntity entity);
        Task UpdateRangeAsync(IEnumerable<TEntity> entities);

        Task RemoveAsync(TEntity entity);
        Task RemoveRangeAsync(IEnumerable<TEntity> entities);

        Task<int> CountAsync(Expression<Func<TEntity, bool>> predicate = null);

        event Action SetChanged;

        Task<int> SaveChangesAsync();
        int SaveChanges();
    }
}