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

namespace PlaylistManager
{
    internal class Mp3File
    {

        internal string Filename { get; set; } = null!;
        // Tag-Parameter
        internal string Title { get; set; } = null!;
        internal string? Artist { get; set; }
        internal string? Album { get; set; }
        internal uint? Year { get; set; }
        internal string? Genre { get; set; }
        internal long Length { get; set; }
        internal byte[]? Cover { get; set; }

        internal uint? Track { get; set; }

        public static Mp3File FromFile(string filename)
        {
            var mp3file = TagLib.File.Create(filename);
            Mp3File song = new();
            song.Filename= filename;
            song.Title = mp3file.Tag.Title;
            song.Artist = mp3file.Tag.FirstPerformer;
            song.Album = mp3file.Tag.Album;
            song.Track = mp3file.Tag.Track;
            if (mp3file.Tag.Year > 0) song.Year = mp3file.Tag.Year;
            song.Genre = mp3file.Tag.FirstGenre;
            song.Length = mp3file.Length;
            song.Cover = mp3file.Tag.Pictures.Where(p => p.Type == PictureType.FrontCover).FirstOrDefault()?.Data.ToArray();
            return song;
        }
    }
}