using System.Linq.Expressions;
using SPMS.Domain.Entities;

namespace SPMS.Domain.Interfaces;

public interface IRepository<T> where T : BaseEntity
{
    Task<T?> GetByIdAsync(long id);
    Task<IReadOnlyList<T>> GetAllAsync();
    Task<IReadOnlyList<T>> FindAsync(Expression<Func<T, bool>> predicate);
    Task<(IReadOnlyList<T> Items, int TotalCount)> GetPagedAsync(
        int page, int size,
        Expression<Func<T, bool>>? predicate = null,
        Expression<Func<T, object>>? orderBy = null,
        bool descending = true);
    Task<int> CountAsync(Expression<Func<T, bool>>? predicate = null);
    Task<bool> ExistsAsync(Expression<Func<T, bool>> predicate);
    Task AddAsync(T entity);
    void Update(T entity);
    void Delete(T entity);
}