using System;
using System.Linq;
using System.Text;

namespace Sony.ChartBot.Helpers
{
    public class TrackReferenceGenerator
    {
        public string BuildTrackReference(string artistName, string trackName, string countryCode)
        {
            var bytes =Encoding.UTF8.GetBytes($"{artistName}|{trackName}|{countryCode}");
            return Convert.ToBase64String(bytes);
        }

        public bool TryParseTrackReference(string reference, out string artistName, out string trackName, out string countryCode)
        {
            var bytes = Convert.FromBase64String(reference);
            var decoded = Encoding.UTF8.GetString(bytes);

            var parts = decoded.Split('|');

            if (parts.Length != 3)
            {
                artistName = null;
                trackName = null;
                countryCode = null;
                return false;
            }

            artistName = parts.First();
            trackName = parts.ElementAt(1);
            countryCode = parts.Last();
            return true;
        }
    }
}