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.Definitions;
using Sony.Filtr.Contracts.Entities;
using Sony.Filtr.Contracts.Entities.Buzz;
using Sony.Filtr.DeezerAPI;
using Sony.Filtr.DeezerAPI.Model;
using Sony.Filtr.Utility.Extensions;

namespace Sony.Filtr.Worker.Onetime
{
    public class AddDeezerPlaylistUsers
    {
        private readonly DeezerApi _deezerApi;
        private readonly BuzzAccountManager _buzzAccountManager;

        public AddDeezerPlaylistUsers(DeezerApi deezerApi, BuzzAccountManager buzzAccountManager)
        {
            _deezerApi = deezerApi;
            _buzzAccountManager = buzzAccountManager;
        }

        public async Task ExecuteAsync()
        {
            var file = new FileInfo("importDeezerPlaylistUsers.txt");
            var reader = file.OpenText();
            List<int> deezerPlaylistIds = new List<int>();
            while (!reader.EndOfStream)
            {
                var line = await reader.ReadLineAsync();
                if (!string.IsNullOrWhiteSpace(line))
                    deezerPlaylistIds.Add(int.Parse(line));
            }

            List<PlaylistResponse> deezerPlaylists = new List<PlaylistResponse>();
            foreach (var deezerPlaylistId in deezerPlaylistIds)
            {
                var playlist = await _deezerApi.GetPlaylistAsync(deezerPlaylistId);
                if (playlist != null)
                    deezerPlaylists.Add(playlist);
            }
            var creators = deezerPlaylists.Select(p => p.creator).Distinct();

            foreach (var creator in creators)
            {
                await _buzzAccountManager.AddBuzzUserAsync(new BuzzUser()
                {
                    BuzzCategoryId = null,
                    Username = creator.id.ToString(),
                    ServiceType = ServiceType.Deezer
                });
            }
            
        }

    }
}