using System.Numerics;

namespace Shadow.Entities;
public class Song
{
	public int Id { get; set; }
	required public string Title { get; set; }
	required public string Uri { get; set; }
	required public string Filepath { get; set; }
	public int State { get; set; }
	required public string Filetype { get; set; }
	public DateTime Date { get; set; }
	public int Duration { get; set; }
	public int Bitrate { get; set; }
	public int Size { get; set; }
	public string? Comment { get; set; } = null;
	public int Channels { get; set; } = 2;
	public int SamplingRate { get; set; }
	public int? BitDepth { get; set; } = null;
	public int Index { get; set; }
	public int? TrackNumber { get; set; } = null;
	public int? DiscNumber { get; set; } = null;
	required public int AlbumId { get; set; }
	required public int ArtistId { get; set; }
	public int? ImageId { get; set; } = null;

	// Songs without an album entry shall default to "[Unnamed album]".
	required public Album Album { get; set; }
	// Same for artists, with "[Unknown artist]".
	required public Artist Artist { get; set; }
	public List<GenreSong> GenreSongPair { get; set; } = [];
	public Image? Image { get; set; } = null;

	public bool IsOk() => State == 0;
	public bool IsOrphaned() => State == 1;
	public bool IsArchived() => State == 2;
	public string GetMimeType()
	{
		// Might be nice to rewrite like this later:
		// https://stackoverflow.com/a/47601452
		string mimeType = String.Empty;
		switch (Filetype)
		{
			case "flac":
				mimeType =    "audio/flac"; break;
			case "m4a":
				mimeType =     "audio/mp4"; break;
			case "mp3":
				mimeType =    "audio/mpeg"; break;
			case "ogg":
				mimeType =     "audio/ogg"; break;
			case "wav":
				mimeType =   "audio/x-wav"; break;
			default:
				mimeType = "audio/unknown"; break;
		}
		return mimeType;
	}
}