using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Fuel01
{
    class ProdEqualityComparer : IEqualityComparer<IdProd>
    {
        public bool Equals(IdProd b1, IdProd b2)
        {
            if (b2 == null && b1 == null)
                return true;
            else if (b1 == null || b2 == null)
                return false;
            else if (b1.code_pro == b2.code_pro &&
                        b1.lib_pro== b2.lib_pro &&
                        b1.ttc_pro == b2.ttc_pro &&
                        b1.tva_pro == b2.tva_pro &&
                        b1.type_pro == b2.type_pro )
                return true;
            else
                return false;
        }

        public int GetHashCode(IdProd bx)
        {
            int hCode = 0;
            hCode += bx.code_pro.GetHashCode();
            hCode += bx.lib_pro.GetHashCode();
            hCode += bx.type_pro.GetHashCode();
            hCode += (int)(bx.ttc_pro * 100);
            hCode += (int)(bx.tva_pro * 100);
            Console.WriteLine(string.Format(" Hash:{0} Prod:{1}  Prix:{2}  Tva:{3} Hash2:{4} ", bx.GetHashCode(), bx.code_pro, bx.ttc_pro, bx.tva_pro, hCode.GetHashCode()));
            return hCode.GetHashCode();
        }
    }

}