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

namespace Kreta.Ellenorzo.Domain.VN.UniqueIdentifier
{
    public class CsatolmanyUid : IReadonlyUidRaw, IEqualityComparer<CsatolmanyUid>
    {
        public CsatolmanyUid(int id)
        {
            Id = id;
            UidRaw = id.ToString();
        }

        public CsatolmanyUid(string uidRaw)
        {
            var compositeKeyElements = UidLogic.GetCompositeKeyElements(uidRaw);
            Id = int.Parse(compositeKeyElements[0]);
            UidRaw = uidRaw;
        }

        public int Id { get; private set; }

        public string UidRaw { get; private set; }

        public bool Equals(CsatolmanyUid x, CsatolmanyUid y) => x == y || x.UidRaw == y.UidRaw;

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