using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using Android.App;
using Android.Content;
using Android.OS;
using Android.Runtime;
using Android.Views;
using Android.Widget;
using Android.Provider;

namespace Shared
{
    [System.Serializable]
	public class MusicInfo
	{
        
		static MusicInfo ()
		{
			System.Threading.Tasks.Task.Run (() => {
                var cursor = Application.Activity.ContentResolver.Query (MediaStore.Audio.Media.ExternalContentUri, new []
				{ 
					MediaStore.Audio.AudioColumns.Id,//歌曲ID
                    MediaStore.Audio.AudioColumns.Title,//歌曲名称
                    MediaStore.Audio.AudioColumns.Artist,//歌曲的歌手名                    
                    MediaStore.Audio.AudioColumns.Album,// 歌曲的专辑名
                    MediaStore.Audio.AudioColumns.AlbumId,//歌曲专辑ID
                    MediaStore.Audio.AudioColumns.Data,//歌曲文件的路径
                    MediaStore.Audio.AudioColumns.Size,//歌曲的总播放时长                    
                    MediaStore.Audio.AudioColumns.Duration,//歌曲的总播放时长
                   }, null, null, null); 


				for (cursor.MoveToFirst (); !cursor.IsAfterLast; cursor.MoveToNext ()) {

                    musicInfoList.Add (new MusicInfo {
						SourceType = "Local",
                        ID = cursor.GetString (cursor.GetColumnIndex (MediaStore.Audio.AudioColumns.Id))?.Trim ('<').Trim('>').Replace ("&", ""),
						Title = cursor.GetString (cursor.GetColumnIndex (MediaStore.Audio.AudioColumns.Title))?.Trim('<').Trim('>').Replace ("&", ""),
						Artist = cursor.GetString (cursor.GetColumnIndex (MediaStore.Audio.AudioColumns.Artist))?.Trim('<').Trim('>').Replace ("&", ""),
						Album = cursor.GetString (cursor.GetColumnIndex (MediaStore.Audio.AudioColumns.Album))?.Trim('<').Trim('>').Replace ("&", ""),
						AlbumId = cursor.GetString (cursor.GetColumnIndex (MediaStore.Audio.AudioColumns.AlbumId))?.Trim('<').Trim('>').Replace ("&", ""),
						Data = cursor.GetString (cursor.GetColumnIndex (MediaStore.Audio.AudioColumns.Data))?.Replace ("&", ""),
						Size = cursor.GetString (cursor.GetColumnIndex (MediaStore.Audio.AudioColumns.Size))?.Trim('<').Trim('>').Replace ("&", ""),
						Duration = cursor.GetString (cursor.GetColumnIndex (MediaStore.Audio.AudioColumns.Duration))?.Trim('<').Trim('>').Replace ("&", ""),
					}); 

					if (500 <= musicInfoList.Count) {
						break;
					} 
				}
                cursor.Close();
			});
		}
       
        /// <summary>
		/// 歌曲名称
		/// </summary>
		public string Title;
		/// <summary>
		/// 歌曲的歌手名 
		/// </summary>
		public string Artist;
		/// <summary>
		/// 歌曲的专辑名     
		/// </summary>
		public string Album;
		/// <summary>
		/// 歌曲专辑ID
		/// </summary>
		public string AlbumId;
		/// <summary>
		/// 歌曲文件的路径
		/// </summary>
		public string Data;
		/// <summary>
		/// 歌曲的总播放时长
		/// </summary>
		public string Size;
		/// <summary>
		/// 歌曲的总播放时长
		/// </summary>
		public string Duration;
		/// <summary>
		/// 音乐ID
		/// </summary>
		public string ID;
		/// <summary>
		/// 网络地址
		/// </summary>
		public string URL;
		/// <summary>
		///   文件名
		/// </summary>
		public string filename;
		/// <summary>
		/// DLNA列表名
		/// </summary>
		public string dlnalistName;
		/// <summary>
		/// 图片
		/// </summary>
		public string Image;
		/// <summary>
		/// 电台类型
		/// </summary>
		public string Cntype;
		/// <summary>
		/// 电台类型
		/// </summary>
		public string Cnkey;
		/// <summary>
		/// 是否是目录
		/// </summary>
		public bool IsDirectory = true;

		public string SourceType;
		public string SourceName;

        readonly static List<MusicInfo> musicInfoList = new List<MusicInfo> ();
		/// <summary>
		/// 获取所有的
		/// </summary>
		public static List<MusicInfo> MusicInfoList {
			get {
				return musicInfoList;
			}
		}
        public object Tag;
	}
}