using Sony.Filtr.AdminAPI.Modules.AnalyzePlaylist.ViewModels;
using System;
using System.Collections.Generic;
using System.Linq;

namespace Sony.Filtr.AdminAPI.Extensions
{
    public static class SonyTrackViewModelExtensions
    {
        public static double GetSonyTrackPercentage(this IEnumerable<SonyTrackViewModel> tracks)
        {
            var percentage = 0.0;
            if (tracks.Any())
            {
                var sony = tracks.Count(p => p.IsSony);
                var all = tracks.Count();
                percentage = Math.Round(sony / (double)all, 2) * 100;
            }

            return percentage;
        }

        public static Nullable<DateTime> GetTrackLastAdded(this IEnumerable<SonyTrackViewModel> tracks)
        {
            return tracks.Max(t => t.AddedDate);
        }
    }
}