using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Sony.Filtr.Buzz;
using Sony.Filtr.Contracts.Abstractions;
using Sony.Filtr.Contracts.Definitions;
using Sony.Filtr.Contracts.Entities;
using Sony.Filtr.Playlists.Spotify;
using Sony.Filtr.Utility.Extensions;

namespace Sony.Filtr.Worker.Onetime
{
    public class TrackNewSpotifyPlaylists
    {
        private readonly IBuzzAccountManager _buzzAccountManager;
        private readonly SpotifyPlaylistManager _spotifyPlaylistManager;

        public TrackNewSpotifyPlaylists(IBuzzAccountManager buzzAccountManager, SpotifyPlaylistManager spotifyPlaylistManager)
        {
            _buzzAccountManager = buzzAccountManager;
            _spotifyPlaylistManager = spotifyPlaylistManager;
        }
        public async Task ExecuteAsync()
        {

            var buzzUsers = await _buzzAccountManager.GetBuzzUsersAsync(musicServiceId: (int)MusicService.Spotify);

            var buzzUserDic = buzzUsers.ToDictionary(k => k.Username, v => v);

            
            using (var reader = File.OpenText("new-spotify-sony-tastemakers.txt"))
            {
                var lines = (await reader.ReadToEndAsync()).Split('\n');
                foreach(var line in lines)
                {
                    var playlistLink = new SpotifyLink(line);
                    var playlistUri = playlistLink.Uri;
                    var playlistId = playlistLink.ExtractPlaylistID();
                    var username = playlistLink.ExtractSpotifyPlaylistUserName();
                    var buzzUser = buzzUserDic.GetValueOrDefault(username);

                    var existing = _spotifyPlaylistManager.GetPlaylist(playlistUri);
                    if (existing == null)
                    {
                        _spotifyPlaylistManager.AddPlaylist(new SpotifyPlaylist()
                        {
                            PlaylistUri = playlistUri,
                            PlaylistId = playlistId,
                            BuzzCategoryId = buzzUser?.BuzzCategoryId,
                            User = username,
                        });


                        Console.WriteLine($"Adding {playlistUri}");
                    }
                    else
                    {
                        Console.WriteLine($"{playlistUri} already exists");
                    }
                    
                }
            }
        }
    }
}