using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Threading.Tasks;
using PagedList;

namespace Church.Net.BLL.Core
{
    public class BussinessLogicBase<T> : IBussinessLogic<T> where T : class

    {

        DAL.Core.IRepository<T> DAL { get; set; }

        public BussinessLogicBase(string connString)
        {
            DAL = new RepositoryBase<T>(connString);

        }

        public void Add(T obj)
        {
            DAL.Add(obj);
        }

        public void Edit(T obj)
        {
            DAL.Edit(obj);
        }

        public void Delete(T obj)
        {
            DAL.Delete(obj);
        }

        public void Delete(string id)
        {
            throw new NotImplementedException();
        }

        public T GetSingle(Expression<Func<T, bool>> whereCondition)
        {
            return DAL.GetSingle(whereCondition);
        }

        public PagedList<T> GetPagedList(int page, int itemPerPage)
        {
            var list = DAL.GetQueryable().Skip(page - 1).Take(itemPerPage);
            PagedList<T> result = new PagedList<T>(list,page, itemPerPage);

            return result;
        }

        public PagedList<T> GetPagedList(int page, int itemPerPage,Expression<Func<T, bool>> whereCondition)
        {
            throw new NotImplementedException();
        }
        public PagedList<T> GetPagedList<TKey>(int page, int itemPerPage, Expression<Func<T, bool>> whereCondition, Expression<Func<T, TKey>> orderCondition)
        {
            var list = DAL.GetQueryable(whereCondition).OrderBy(orderCondition).Skip(page - 1).Take(itemPerPage);
            throw new NotImplementedException();
        }

        public IList<T> GetAll()
        {
            throw new NotImplementedException();
        }

        public IList<T> GetAll(Expression<Func<T, bool>> whereCondition)
        {
            var list = DAL.GetQueryable(whereCondition);
            return list.ToList();
        }
    }
}