using System;
using System.Collections.Generic;
using Kreta.Ellenorzo.Domain.VN.Interfaces;
using Kreta.Ellenorzo.Domain.VN.Logic;
using Kreta.Enums.ManualEnums;

namespace Kreta.Ellenorzo.Domain.VN.UniqueIdentifier
{
    public class ErtekelesUid : IReadonlyUidRaw, IEqualityComparer<ErtekelesUid>
    {
        public ErtekelesUid(int id, ErtekelesJelleg jelleg)
        {
            Id = id;
            Jelleg = jelleg;
            UidRaw = UidLogic.Concat(id, jelleg);
        }

        public ErtekelesUid(string uidRaw)
        {
            var compositeKeyElements = UidLogic.GetCompositeKeyElements(uidRaw);
            Id = int.Parse(compositeKeyElements[0]);
            Jelleg = (ErtekelesJelleg)Enum.Parse(typeof(ErtekelesJelleg), compositeKeyElements[1]);
            UidRaw = uidRaw;
        }

        public int Id { get; private set; }

        public string UidRaw { get; private set; }

        public ErtekelesJelleg Jelleg { get; set; }

        public bool Equals(ErtekelesUid x, ErtekelesUid y) => x == y || (x.UidRaw == y.UidRaw && x.Jelleg == y.Jelleg);

        public int GetHashCode(ErtekelesUid obj) => obj.UidRaw.GetHashCode();
    }
}