using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using NLog;
using Sony.Filtr.Buzz;
using Sony.Filtr.Contracts.Definitions;
using Sony.Filtr.Contracts.Entities;
using Sony.Filtr.DeezerAPI;
using Sony.Filtr.SpotifyWebAPI;

namespace Sony.Filtr.Worker.Onetime
{
    public class IdentifyWrongBuzzUsers
    {
        private readonly BuzzAccountManager _buzzAccountManager;
        private readonly SpotifyWebApi _spotifyWebApi;
        private readonly DeezerApi _deezerApi;
        private Logger _logger;

        public IdentifyWrongBuzzUsers(BuzzAccountManager buzzAccountManager, SpotifyWebApi spotifyWebApi, DeezerApi deezerApi)
        {
            _buzzAccountManager = buzzAccountManager;
            _spotifyWebApi = spotifyWebApi;
            _deezerApi = deezerApi;
            _logger = NLog.LogManager.GetLogger("IdentifyWrongBuzzUsers");
        }

        public async Task ExecuteAsync()
        {
            List<string> failed = new List<string>();
            var allBuzzUsers = await _buzzAccountManager.GetBuzzUsersAsync();
            foreach(var spotifyUser in allBuzzUsers.Where(b => b.ServiceType == ServiceType.Spotify).ToList())
            {
                try
                {
                    var parsedLink = SpotifyLink.ParseUserLink(spotifyUser.Username);
                    var user = await _spotifyWebApi.GetUserAsync(parsedLink.ExtractSpotifyUserName());
                    if (user == null)
                        failed.Add($"{spotifyUser.Username} got 404");
                }
                catch(Exception ex)
                {
                    failed.Add($"{spotifyUser.Username} got error");
                }
            }

            foreach (var deezerUser in allBuzzUsers.Where(b => b.ServiceType == ServiceType.Deezer).ToList())
            {
                try
                {
                    var user = await _deezerApi.GetUserAsync(int.Parse(deezerUser.Username));
                    if (user == null)
                        failed.Add($"{deezerUser.Username} got 404");
                }
                catch (Exception ex)
                {
                    failed.Add($"{deezerUser.Username} got error");
                }
            }

            var file = new FileInfo("IdentifyWrongBuzzUsers.txt");
            using (var write = file.CreateText())
            {
                foreach(var fail in failed)
                {
                    await write.WriteLineAsync(fail);
                }
            }

        }
    }
}