using DataStoring.Contract;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;

namespace DataStoring.EfCore
{
    public class Repository<TEntity> : IRepository<TEntity> where TEntity : class
    {
        private readonly DPContext _db;

        public IQueryable<TEntity> Query => _db.Set<TEntity>();

        public Repository(DPContext db)
        {
            _db = db;
        }

        public void Delete(int id)
        {
            try
            {
                var entity = _db.Set<TEntity>().Find(id);
                if(entity == null)
                {
                    throw new Exception("Id not found");
                }
            }
            catch(Exception e)
            {
                throw new Exception("Cant delete entity with id " + id);
            }
        }

        public void Insert(TEntity entity)
        {
            _db.Set<TEntity>().Add(entity);
            _db.SaveChanges();
        }

        public void Update(TEntity entity)
        {
            _db.Entry(entity).State = EntityState.Modified;
            _db.SaveChanges();
        }

        public IEnumerable<TEntity> Get(Expression<Func<TEntity, bool>> filter = null, Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBy = null, string includeProperties = "")
        {
            IQueryable<TEntity> query = _db.Set<TEntity>();

        }
    }
}