using AutoMapper;
using Ecole.Core.Models;
using Ecole.DATA.Provider.SQL.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Ecole.DATA.Provider.SQL.Repo
{
    public class CoursRepo
    {
        private readonly EcoleDBContext ctx;

        public CoursRepo()
        {
            ctx = new EcoleDBContext();
        }

        private int Save()
        {
            try
            {
                return ctx.SaveChanges();
            }
            catch (Exception ex)
            {

                throw new Exception(ex.Message);
            }
        }

        public CoursDTO GetById (int id)
        {
            return Mapper.Map<CoursDTO>(ctx.Courss.Find(id));
        }

        public IEnumerable<CoursDTO> GetAll()
        {
            return Mapper.Map<IEnumerable<CoursDTO>>(ctx.Courss.ToList());
        }

        public CoursDTO Add (Cours c)
        {
            if (c == null)
            {
                return null;
            }
            ctx.Courss.Add(c);
            Save();
            return Mapper.Map<CoursDTO>(c);
        }

        public int Update (CoursDTO c)
        {
            if (c == null)
            {
                return 0;
            }

            var temp = GetById(c.CoursId);

            if (temp != null)
            {
                ctx.Entry(temp).CurrentValues.SetValues(Mapper.Map<Cours>(c));
                return Save();
            }
            return 0;
        }

        public int Delete (int id)
        {
            var cours = GetById(id);

            if (cours != null)
            {
                ctx.Courss.Remove(Mapper.Map<Cours>(cours));
                return Save();
            }
            return 0;
        }
    }
}