using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Emby.Server.Implementations.Library;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Common.Progress;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Channels;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Drawing;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Movies;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.LiveTv;
using MediaBrowser.Controller.Persistence;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Controller.Sorting;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Events;
using MediaBrowser.Model.Globalization;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.LiveTv;
using MediaBrowser.Model.Querying;
using MediaBrowser.Model.Serialization;
using MediaBrowser.Model.Tasks;
using Microsoft.Extensions.Logging;

namespace Emby.Server.Implementations.LiveTv
{
    /// <summary>
    /// Class LiveTvManager
    /// </summary>
    public class LiveTvManager : ILiveTvManager, IDisposable
    {
        private readonly IServerConfigurationManager _config;
        private readonly ILogger _logger;
        private readonly IItemRepository _itemRepo;
        private readonly IUserManager _userManager;
        private readonly IUserDataManager _userDataManager;
        private readonly ILibraryManager _libraryManager;
        private readonly ITaskManager _taskManager;
        private readonly IJsonSerializer _jsonSerializer;
        private readonly Func<IChannelManager> _channelManager;

        private readonly IDtoService _dtoService;
        private readonly ILocalizationManager _localization;

        private readonly LiveTvDtoService _tvDtoService;

        private ILiveTvService[] _services = Array.Empty<ILiveTvService>();

        private ITunerHost[] _tunerHosts = Array.Empty<ITunerHost>();
        private IListingsProvider[] _listingProviders = Array.Empty<IListingsProvider>();
        private readonly IFileSystem _fileSystem;

        public event EventHandler<GenericEventArgs<TimerEventInfo>> SeriesTimerCancelled;
        public event EventHandler<GenericEventArgs<TimerEventInfo>> TimerCancelled;
        public event EventHandler<GenericEventArgs<TimerEventInfo>> TimerCreated;
        public event EventHandler<GenericEventArgs<TimerEventInfo>> SeriesTimerCreated;

        public string GetEmbyTvActiveRecordingPath(string id)
        {
            return EmbyTV.EmbyTV.Current.GetActiveRecordingPath(id);
        }

        public LiveTvManager(
            IServerApplicationHost appHost,
            IServerConfigurationManager config,
            ILoggerFactory loggerFactory,
            IItemRepository itemRepo,
            IImageProcessor imageProcessor,
            IUserDataManager userDataManager,
            IDtoService dtoService,
            IUserManager userManager,
            ILibraryManager libraryManager,
            ITaskManager taskManager,
            ILocalizationManager localization,
            IJsonSerializer jsonSerializer,
            IFileSystem fileSystem,
            Func<IChannelManager> channelManager)
        {
            _config = config;
            _logger = loggerFactory.CreateLogger(nameof(LiveTvManager));
            _itemRepo = itemRepo;
            _userManager = userManager;
            _libraryManager = libraryManager;
            _taskManager = taskManager;
            _localization = localization;
            _jsonSerializer = jsonSerializer;
            _fileSystem = fileSystem;
            _dtoService = dtoService;
            _userDataManager = userDataManager;
            _channelManager = channelManager;

            _tvDtoService = new LiveTvDtoService(dtoService, imageProcessor, loggerFactory, appHost, _libraryManager);
        }

        /// <summary>
        /// Gets the services.
        /// </summary>
        /// <value>The services.</value>
        public IReadOnlyList<ILiveTvService> Services => _services;

        private LiveTvOptions GetConfiguration()
        {
            return _config.GetConfiguration<LiveTvOptions>("livetv");
        }

        /// <summary>
        /// Adds the parts.
        /// </summary>
        /// <param name="services">The services.</param>
        /// <param name="tunerHosts">The tuner hosts.</param>
        /// <param name="listingProviders">The listing providers.</param>
        public void AddParts(IEnumerable<ILiveTvService> services, IEnumerable<ITunerHost> tunerHosts, IEnumerable<IListingsProvider> listingProviders)
        {
            _services = services.ToArray();
            _tunerHosts = tunerHosts.Where(i => i.IsSupported).ToArray();

            _listingProviders = listingProviders.ToArray();

            foreach (var service in _services)
            {
                if (service is EmbyTV.EmbyTV embyTv)
                {
                    embyTv.TimerCreated += EmbyTv_TimerCreated;
                    embyTv.TimerCancelled += EmbyTv_TimerCancelled;
                }
            }
        }

        private void EmbyTv_TimerCancelled(object sender, GenericEventArgs<string> e)
        {
            var timerId = e.Argument;

            TimerCancelled?.Invoke(this, new GenericEventArgs<TimerEventInfo>
            {
                Argument = new TimerEventInfo
                {
                    Id = timerId
                }
            });
        }

        private void EmbyTv_TimerCreated(object sender, GenericEventArgs<TimerInfo> e)
        {
            var timer = e.Argument;
            var service = sender as ILiveTvService;

            TimerCreated?.Invoke(this, new GenericEventArgs<TimerEventInfo>
            {
                Argument = new TimerEventInfo
                {
                    ProgramId = _tvDtoService.GetInternalProgramId(timer.ProgramId),
                    Id = timer.Id
                }
            });
        }

        public ITunerHost[] TunerHosts => _tunerHosts;

        public IListingsProvider[] ListingProviders => _listingProviders;

        public List<NameIdPair> GetTunerHostTypes()
        {
            return _tunerHosts.OrderBy(i => i.Name).Select(i => new NameIdPair
            {
                Name = i.Name,
                Id = i.Type

            }).ToList();
        }

        public Task<List<TunerHostInfo>> DiscoverTuners(bool newDevicesOnly, CancellationToken cancellationToken)
        {
            return EmbyTV.EmbyTV.Current.DiscoverTuners(newDevicesOnly, cancellationToken);
        }

        public QueryResult<BaseItem> GetInternalChannels(LiveTvChannelQuery query, DtoOptions dtoOptions, CancellationToken cancellationToken)
        {
            var user = query.UserId == Guid.Empty ? null : _userManager.GetUserById(query.UserId);

            var topFolder = GetInternalLiveTvFolder(cancellationToken);

            var internalQuery = new InternalItemsQuery(user)
            {
                IsMovie = query.IsMovie,
                IsNews = query.IsNews,
                IsKids = query.IsKids,
                IsSports = query.IsSports,
                IsSeries = query.IsSeries,
                IncludeItemTypes = new[] { typeof(LiveTvChannel).Name },
                TopParentIds = new[] { topFolder.Id },
                IsFavorite = query.IsFavorite,
                IsLiked = query.IsLiked,
                StartIndex = query.StartIndex,
                Limit = query.Limit,
                DtoOptions = dtoOptions
            };

            var orderBy = internalQuery.OrderBy.ToList();

            orderBy.AddRange(query.SortBy.Select(i => new ValueTuple<string, SortOrder>(i, query.SortOrder ?? SortOrder.Ascending)));

            if (query.EnableFavoriteSorting)
            {
                orderBy.Insert(0, new ValueTuple<string, SortOrder>(ItemSortBy.IsFavoriteOrLiked, SortOrder.Descending));
            }

            if (!internalQuery.OrderBy.Any(i => string.Equals(i.Item1, ItemSortBy.SortName, StringComparison.OrdinalIgnoreCase)))
            {
                orderBy.Add(new ValueTuple<string, SortOrder>(ItemSortBy.SortName, SortOrder.Ascending));
            }

            internalQuery.OrderBy = orderBy.ToArray();

            return _libraryManager.GetItemsResult(internalQuery);
        }

        public async Task<Tuple<MediaSourceInfo, ILiveStream>> GetChannelStream(string id, string mediaSourceId, List<ILiveStream> currentLiveStreams, CancellationToken cancellationToken)
        {
            if (string.Equals(id, mediaSourceId, StringComparison.OrdinalIgnoreCase))
            {
                mediaSourceId = null;
            }

            var channel = (LiveTvChannel)_libraryManager.GetItemById(id);

            bool isVideo = channel.ChannelType == ChannelType.TV;
            var service = GetService(channel);
            _logger.LogInformation("Opening channel stream from {0}, external channel Id: {1}", service.Name, channel.ExternalId);

            MediaSourceInfo info;
            ILiveStream liveStream;
            if (service is ISupportsDirectStreamProvider supportsManagedStream)
            {
                liveStream = await supportsManagedStream.GetChannelStreamWithDirectStreamProvider(channel.ExternalId, mediaSourceId, currentLiveStreams, cancellationToken).ConfigureAwait(false);
                info = liveStream.MediaSource;
            }
            else
            {
                info = await service.GetChannelStream(channel.ExternalId, mediaSourceId, cancellationToken).ConfigureAwait(false);
                var openedId = info.Id;
                Func<Task> closeFn = () => service.CloseLiveStream(openedId, CancellationToken.None);

                liveStream = new ExclusiveLiveStream(info, closeFn);

                var startTime = DateTime.UtcNow;
                await liveStream.Open(cancellationToken).ConfigureAwait(false);
                var endTime = DateTime.UtcNow;
                _logger.LogInformation("Live stream opened after {0}ms", (endTime - startTime).TotalMilliseconds);
            }
            info.RequiresClosing = true;

            var idPrefix = service.GetType().FullName.GetMD5().ToString("N", CultureInfo.InvariantCulture) + "_";

            info.LiveStreamId = idPrefix + info.Id;

            Normalize(info, service, isVideo);

            return new Tuple<MediaSourceInfo, ILiveStream>(info, liveStream);
        }

        public async Task<IEnumerable<MediaSourceInfo>> GetChannelMediaSources(BaseItem item, CancellationToken cancellationToken)
        {
            var baseItem = (LiveTvChannel)item;
            var service = GetService(baseItem);

            var sources = await service.GetChannelStreamMediaSources(baseItem.ExternalId, cancellationToken).ConfigureAwait(false);

            if (sources.Count == 0)
            {
                throw new NotImplementedException();
            }

            foreach (var source in sources)
            {
                Normalize(source, service, baseItem.ChannelType == ChannelType.TV);
            }

            return sources;
        }

        private ILiveTvService GetService(LiveTvChannel item)
        {
            var name = item.ServiceName;
            return GetService(name);
        }

        private ILiveTvService GetService(LiveTvProgram item)
        {
            var channel = _libraryManager.GetItemById(item.ChannelId) as LiveTvChannel;

            return GetService(channel);
        }

        private ILiveTvService GetService(string name)
        {
            return _services.FirstOrDefault(i => string.Equals(i.Name, name, StringComparison.OrdinalIgnoreCase));
        }

        private static void Normalize(MediaSourceInfo mediaSource, ILiveTvService service, bool isVideo)
        {
            // Not all of the plugins are setting this
            mediaSource.IsInfiniteStream = true;

            if (mediaSource.MediaStreams.Count == 0)
            {
                if (isVideo)
                {
                    mediaSource.MediaStreams.AddRange(new List<MediaStream>
                    {
                        new MediaStream
                        {
                            Type = MediaStreamType.Video,
                            // Set the index to -1 because we don't know the exact index of the video stream within the container
                            Index = -1,

                            // Set to true if unknown to enable deinterlacing
                            IsInterlaced = true
                        },
                        new MediaStream
                        {
                            Type = MediaStreamType.Audio,
                            // Set the index to -1 because we don't know the exact index of the audio stream within the container
                            Index = -1
                        }
                    });
                }
                else
                {
                    mediaSource.MediaStreams.AddRange(new List<MediaStream>
                    {
                        new MediaStream
                        {
                            Type = MediaStreamType.Audio,
                            // Set the index to -1 because we don't know the exact index of the audio stream within the container
                            Index = -1
                        }
                    });
                }
            }

            // Clean some bad data coming from providers
            foreach (var stream in mediaSource.MediaStreams)
            {
                if (stream.BitRate.HasValue && stream.BitRate <= 0)
                {
                    stream.BitRate = null;
                }
                if (stream.Channels.HasValue && stream.Channels <= 0)
                {
                    stream.Channels = null;
                }
                if (stream.AverageFrameRate.HasValue && stream.AverageFrameRate <= 0)
                {
                    stream.AverageFrameRate = null;
                }
                if (stream.RealFrameRate.HasValue && stream.RealFrameRate <= 0)
                {
                    stream.RealFrameRate = null;
                }
                if (stream.Width.HasValue && stream.Width <= 0)
                {
                    stream.Width = null;
                }
                if (stream.Height.HasValue && stream.Height <= 0)
                {
                    stream.Height = null;
                }
                if (stream.SampleRate.HasValue && stream.SampleRate <= 0)
                {
                    stream.SampleRate = null;
                }
                if (stream.Level.HasValue && stream.Level <= 0)
                {
                    stream.Level = null;
                }
            }

            var indexes = mediaSource.MediaStreams.Select(i => i.Index).Distinct().ToList();

            // If there are duplicate stream indexes, set them all to unknown
            if (indexes.Count != mediaSource.MediaStreams.Count)
            {
                foreach (var stream in mediaSource.MediaStreams)
                {
                    stream.Index = -1;
                }
            }

            // Set the total bitrate if not already supplied
            mediaSource.InferTotalBitrate();

            if (!(service is EmbyTV.EmbyTV))
            {
                // We can't trust that we'll be able to direct stream it through emby server, no matter what the provider says
                //mediaSource.SupportsDirectPlay = false;
                //mediaSource.SupportsDirectStream = false;
                mediaSource.SupportsTranscoding = true;
                foreach (var stream in mediaSource.MediaStreams)
                {
                    if (stream.Type == MediaStreamType.Video && string.IsNullOrWhiteSpace(stream.NalLengthSize))
                    {
                        stream.NalLengthSize = "0";
                    }

                    if (stream.Type == MediaStreamType.Video)
                    {
                        stream.IsInterlaced = true;
                    }
                }
            }
        }

        private const string ExternalServiceTag = "ExternalServiceId";
        private LiveTvChannel GetChannel(ChannelInfo channelInfo, string serviceName, BaseItem parentFolder, CancellationToken cancellationToken)
        {
            var parentFolderId = parentFolder.Id;
            var isNew = false;
            var forceUpdate = false;

            var id = _tvDtoService.GetInternalChannelId(serviceName, channelInfo.Id);

            var item = _libraryManager.GetItemById(id) as LiveTvChannel;

            if (item == null)
            {
                item = new LiveTvChannel
                {
                    Name = channelInfo.Name,
                    Id = id,
                    DateCreated = DateTime.UtcNow
                };

                isNew = true;
            }

            if (channelInfo.Tags != null)
            {
                if (!channelInfo.Tags.SequenceEqual(item.Tags, StringComparer.OrdinalIgnoreCase))
                {
                    isNew = true;
                }
                item.Tags = channelInfo.Tags;
            }

            if (!item.ParentId.Equals(parentFolderId))
            {
                isNew = true;
            }
            item.ParentId = parentFolderId;

            item.ChannelType = channelInfo.ChannelType;
            item.ServiceName = serviceName;

            if (!string.Equals(item.GetProviderId(ExternalServiceTag), serviceName, StringComparison.OrdinalIgnoreCase))
            {
                forceUpdate = true;
            }
            item.SetProviderId(ExternalServiceTag, serviceName);

            if (!string.Equals(channelInfo.Id, item.ExternalId, StringComparison.Ordinal))
            {
                forceUpdate = true;
            }
            item.ExternalId = channelInfo.Id;

            if (!string.Equals(channelInfo.Number, item.Number, StringComparison.Ordinal))
            {
                forceUpdate = true;
            }
            item.Number = channelInfo.Number;

            if (!string.Equals(channelInfo.Name, item.Name, StringComparison.Ordinal))
            {
                forceUpdate = true;
            }
            item.Name = channelInfo.Name;

            if (!item.HasImage(ImageType.Primary))
            {
                if (!string.IsNullOrWhiteSpace(channelInfo.ImagePath))
                {
                    item.SetImagePath(ImageType.Primary, channelInfo.ImagePath);
                    forceUpdate = true;
                }
                else if (!string.IsNullOrWhiteSpace(channelInfo.ImageUrl))
                {
                    item.SetImagePath(ImageType.Primary, channelInfo.ImageUrl);
                    forceUpdate = true;
                }
            }

            if (isNew)
            {
                _libraryManager.CreateItem(item, parentFolder);
            }
            else if (forceUpdate)
            {
                _libraryManager.UpdateItem(item, parentFolder, ItemUpdateType.MetadataImport, cancellationToken);
            }

            return item;
        }

        private const string EtagKey = "ProgramEtag";

        private Tuple<LiveTvProgram, bool, bool> GetProgram(ProgramInfo info, Dictionary<Guid, LiveTvProgram> allExistingPrograms, LiveTvChannel channel, ChannelType channelType, string serviceName, CancellationToken cancellationToken)
        {
            var id = _tvDtoService.GetInternalProgramId(info.Id);

            var isNew = false;
            var forceUpdate = false;

            if (!allExistingPrograms.TryGetValue(id, out LiveTvProgram item))
            {
                isNew = true;
                item = new LiveTvProgram
                {
                    Name = info.Name,
                    Id = id,
                    DateCreated = DateTime.UtcNow,
                    DateModified = DateTime.UtcNow
                };

                if (!string.IsNullOrEmpty(info.Etag))
                {
                    item.SetProviderId(EtagKey, info.Etag);
                }
            }

            if (!string.Equals(info.ShowId, item.ShowId, StringComparison.OrdinalIgnoreCase))
            {
                item.ShowId = info.ShowId;
                forceUpdate = true;
            }

            var seriesId = info.SeriesId;

            if (!item.ParentId.Equals(channel.Id))
            {
                forceUpdate = true;
            }
            item.ParentId = channel.Id;

            //item.ChannelType = channelType;

            item.Audio = info.Audio;
            item.ChannelId = channel.Id;
            item.CommunityRating = item.CommunityRating ?? info.CommunityRating;
            if ((item.CommunityRating ?? 0).Equals(0))
            {
                item.CommunityRating = null;
            }

            item.EpisodeTitle = info.EpisodeTitle;
            item.ExternalId = info.Id;

            if (!string.IsNullOrWhiteSpace(seriesId) && !string.Equals(item.ExternalSeriesId, seriesId, StringComparison.Ordinal))
            {
                forceUpdate = true;
            }
            item.ExternalSeriesId = seriesId;

            var isSeries = info.IsSeries || !string.IsNullOrEmpty(info.EpisodeTitle);

            if (isSeries || !string.IsNullOrEmpty(info.EpisodeTitle))
            {
                item.SeriesName = info.Name;
            }

            var tags = new List<string>();
            if (info.IsLive)
            {
                tags.Add("Live");
            }
            if (info.IsPremiere)
            {
                tags.Add("Premiere");
            }
            if (info.IsNews)
            {
                tags.Add("News");
            }
            if (info.IsSports)
            {
                tags.Add("Sports");
            }
            if (info.IsKids)
            {
                tags.Add("Kids");
            }
            if (info.IsRepeat)
            {
                tags.Add("Repeat");
            }
            if (info.IsMovie)
            {
                tags.Add("Movie");
            }
            if (isSeries)
            {
                tags.Add("Series");
            }

            item.Tags = tags.ToArray();

            item.Genres = info.Genres.ToArray();

            if (info.IsHD ?? false)
            {
                item.Width = 1280;
                item.Height = 720;
            }

            item.IsMovie = info.IsMovie;
            item.IsRepeat = info.IsRepeat;

            if (item.IsSeries != isSeries)
            {
                forceUpdate = true;
            }
            item.IsSeries = isSeries;

            item.Name = info.Name;
            item.OfficialRating = item.OfficialRating ?? info.OfficialRating;
            item.Overview = item.Overview ?? info.Overview;
            item.RunTimeTicks = (info.EndDate - info.StartDate).Ticks;
            item.ProviderIds = info.ProviderIds;

            foreach (var providerId in info.SeriesProviderIds)
            {
                info.ProviderIds["Series" + providerId.Key] = providerId.Value;
            }

            if (item.StartDate != info.StartDate)
            {
                forceUpdate = true;
            }
            item.StartDate = info.StartDate;

            if (item.EndDate != info.EndDate)
            {
                forceUpdate = true;
            }
            item.EndDate = info.EndDate;

            item.ProductionYear = info.ProductionYear;

            if (!isSeries || info.IsRepeat)
            {
                item.PremiereDate = info.OriginalAirDate;
            }

            item.IndexNumber = info.EpisodeNumber;
            item.ParentIndexNumber = info.SeasonNumber;

            if (!item.HasImage(ImageType.Primary))
            {
                if (!string.IsNullOrWhiteSpace(info.ImagePath))
                {
                    item.SetImage(new ItemImageInfo
                    {
                        Path = info.ImagePath,
                        Type = ImageType.Primary
                    }, 0);
                }
                else if (!string.IsNullOrWhiteSpace(info.ImageUrl))
                {
                    item.SetImage(new ItemImageInfo
                    {
                        Path = info.ImageUrl,
                        Type = ImageType.Primary
                    }, 0);
                }
            }

            if (!item.HasImage(ImageType.Thumb))
            {
                if (!string.IsNullOrWhiteSpace(info.ThumbImageUrl))
                {
                    item.SetImage(new ItemImageInfo
                    {
                        Path = info.ThumbImageUrl,
                        Type = ImageType.Thumb

                    }, 0);
                }
            }

            if (!item.HasImage(ImageType.Logo))
            {
                if (!string.IsNullOrWhiteSpace(info.LogoImageUrl))
                {
                    item.SetImage(new ItemImageInfo
                    {
                        Path = info.LogoImageUrl,
                        Type = ImageType.Logo

                    }, 0);
                }
            }

            if (!item.HasImage(ImageType.Backdrop))
            {
                if (!string.IsNullOrWhiteSpace(info.BackdropImageUrl))
                {
                    item.SetImage(new ItemImageInfo
                    {
                        Path = info.BackdropImageUrl,
                        Type = ImageType.Backdrop

                    }, 0);
                }
            }

            var isUpdated = false;
            if (isNew)
            {
            }
            else if (forceUpdate || string.IsNullOrWhiteSpace(info.Etag))
            {
                isUpdated = true;
            }
            else
            {
                var etag = info.Etag;

                if (!string.Equals(etag, item.GetProviderId(EtagKey), StringComparison.OrdinalIgnoreCase))
                {
                    item.SetProviderId(EtagKey, etag);
                    isUpdated = true;
                }
            }

            if (isNew || isUpdated)
            {
                item.OnMetadataChanged();
            }

            return new Tuple<LiveTvProgram, bool, bool>(item, isNew, isUpdated);
        }

        public async Task<BaseItemDto> GetProgram(string id, CancellationToken cancellationToken, User user = null)
        {
            var program = _libraryManager.GetItemById(id);

            var dto = _dtoService.GetBaseItemDto(program, new DtoOptions(), user);

            var list = new List<Tuple<BaseItemDto, string, string>>() {
                new Tuple<BaseItemDto, string, string>(dto, program.ExternalId, program.ExternalSeriesId)
            };

            await AddRecordingInfo(list, cancellationToken).ConfigureAwait(false);

            return dto;
        }

        public async Task<QueryResult<BaseItemDto>> GetPrograms(InternalItemsQuery query, DtoOptions options, CancellationToken cancellationToken)
        {
            var user = query.User;

            var topFolder = GetInternalLiveTvFolder(cancellationToken);

            if (query.OrderBy.Length == 0)
            {
                if (query.IsAiring ?? false)
                {
                    // Unless something else was specified, order by start date to take advantage of a specialized index
                    query.OrderBy = new ValueTuple<string, SortOrder>[]
                    {
                        new ValueTuple<string, SortOrder>(ItemSortBy.StartDate, SortOrder.Ascending)
                    };
                }
                else
                {
                    // Unless something else was specified, order by start date to take advantage of a specialized index
                    query.OrderBy = new ValueTuple<string, SortOrder>[]
                    {
                        new ValueTuple<string, SortOrder>(ItemSortBy.StartDate, SortOrder.Ascending)
                    };
                }
            }

            RemoveFields(options);

            var internalQuery = new InternalItemsQuery(user)
            {
                IncludeItemTypes = new[] { typeof(LiveTvProgram).Name },
                MinEndDate = query.MinEndDate,
                MinStartDate = query.MinStartDate,
                MaxEndDate = query.MaxEndDate,
                MaxStartDate = query.MaxStartDate,
                ChannelIds = query.ChannelIds,
                IsMovie = query.IsMovie,
                IsSeries = query.IsSeries,
                IsSports = query.IsSports,
                IsKids = query.IsKids,
                IsNews = query.IsNews,
                Genres = query.Genres,
                GenreIds = query.GenreIds,
                StartIndex = query.StartIndex,
                Limit = query.Limit,
                OrderBy = query.OrderBy,
                EnableTotalRecordCount = query.EnableTotalRecordCount,
                TopParentIds = new[] { topFolder.Id },
                Name = query.Name,
                DtoOptions = options,
                HasAired = query.HasAired,
                IsAiring = query.IsAiring
            };

            if (!string.IsNullOrWhiteSpace(query.SeriesTimerId))
            {
                var seriesTimers = await GetSeriesTimersInternal(new SeriesTimerQuery { }, cancellationToken).ConfigureAwait(false);
                var seriesTimer = seriesTimers.Items.FirstOrDefault(i => string.Equals(_tvDtoService.GetInternalSeriesTimerId(i.Id).ToString("N", CultureInfo.InvariantCulture), query.SeriesTimerId, StringComparison.OrdinalIgnoreCase));
                if (seriesTimer != null)
                {
                    internalQuery.ExternalSeriesId = seriesTimer.SeriesId;

                    if (string.IsNullOrWhiteSpace(seriesTimer.SeriesId))
                    {
                        // Better to return nothing than every program in the database
                        return new QueryResult<BaseItemDto>();
                    }
                }
                else
                {
                    // Better to return nothing than every program in the database
                    return new QueryResult<BaseItemDto>();
                }
            }

            var queryResult = _libraryManager.QueryItems(internalQuery);

            var returnArray = _dtoService.GetBaseItemDtos(queryResult.Items, options, user);

            var result = new QueryResult<BaseItemDto>
            {
                Items = returnArray,
                TotalRecordCount = queryResult.TotalRecordCount
            };

            return result;
        }

        public QueryResult<BaseItem> GetRecommendedProgramsInternal(InternalItemsQuery query, DtoOptions options, CancellationToken cancellationToken)
        {
            var user = query.User;

            var topFolder = GetInternalLiveTvFolder(cancellationToken);

            var internalQuery = new InternalItemsQuery(user)
            {
                IncludeItemTypes = new[] { typeof(LiveTvProgram).Name },
                IsAiring = query.IsAiring,
                HasAired = query.HasAired,
                IsNews = query.IsNews,
                IsMovie = query.IsMovie,
                IsSeries = query.IsSeries,
                IsSports = query.IsSports,
                IsKids = query.IsKids,
                EnableTotalRecordCount = query.EnableTotalRecordCount,
                OrderBy = new[] { new ValueTuple<string, SortOrder>(ItemSortBy.StartDate, SortOrder.Ascending) },
                TopParentIds = new[] { topFolder.Id },
                DtoOptions = options,
                GenreIds = query.GenreIds
            };

            if (query.Limit.HasValue)
            {
                internalQuery.Limit = Math.Max(query.Limit.Value * 4, 200);
            }

            var programList = _libraryManager.QueryItems(internalQuery).Items;
            var totalCount = programList.Count;

            var orderedPrograms = programList.Cast<LiveTvProgram>().OrderBy(i => i.StartDate.Date);

            if (query.IsAiring ?? false)
            {
                orderedPrograms = orderedPrograms
                    .ThenByDescending(i => GetRecommendationScore(i, user, true));
            }

            IEnumerable<BaseItem> programs = orderedPrograms;

            if (query.Limit.HasValue)
            {
                programs = programs.Take(query.Limit.Value);
            }

            return new QueryResult<BaseItem>
            {
                Items = programs.ToArray(),
                TotalRecordCount = totalCount
            };
        }

        public QueryResult<BaseItemDto> GetRecommendedPrograms(InternalItemsQuery query, DtoOptions options, CancellationToken cancellationToken)
        {
            if (!(query.IsAiring ?? false))
            {
                return GetPrograms(query, options, cancellationToken).Result;
            }

            RemoveFields(options);

            var internalResult = GetRecommendedProgramsInternal(query, options, cancellationToken);

            return new QueryResult<BaseItemDto>
            {
                Items = _dtoService.GetBaseItemDtos(internalResult.Items, options, query.User),
                TotalRecordCount = internalResult.TotalRecordCount
            };
        }

        private int GetRecommendationScore(LiveTvProgram program, User user, bool factorChannelWatchCount)
        {
            var score = 0;

            if (program.IsLive)
            {
                score++;
            }

            if (program.IsSeries && !program.IsRepeat)
            {
                score++;
            }

            var channel = _libraryManager.GetItemById(program.ChannelId);

            if (channel == null)
            {
                return score;
            }

            var channelUserdata = _userDataManager.GetUserData(user, channel);

            if (channelUserdata.Likes.HasValue)
            {
                score += channelUserdata.Likes.Value ? 2 : -2;
            }

            if (channelUserdata.IsFavorite)
            {
                score += 3;
            }

            if (factorChannelWatchCount)
            {
                score += channelUserdata.PlayCount;
            }

            return score;
        }

        private async Task AddRecordingInfo(IEnumerable<Tuple<BaseItemDto, string, string>> programs, CancellationToken cancellationToken)
        {
            var timers = new Dictionary<string, List<TimerInfo>>();
            var seriesTimers = new Dictionary<string, List<SeriesTimerInfo>>();

            IReadOnlyList<TimerInfo> timerList = null;
            IReadOnlyList<SeriesTimerInfo> seriesTimerList = null;

            foreach (var programTuple in programs)
            {
                var program = programTuple.Item1;
                var externalProgramId = programTuple.Item2;
                string externalSeriesId = programTuple.Item3;

                if (timerList == null)
                {
                    timerList = (await GetTimersInternal(new TimerQuery(), cancellationToken).ConfigureAwait(false)).Items;
                }

                var timer = timerList.FirstOrDefault(i => string.Equals(i.ProgramId, externalProgramId, StringComparison.OrdinalIgnoreCase));
                var foundSeriesTimer = false;

                if (timer != null)
                {
                    if (timer.Status != RecordingStatus.Cancelled && timer.Status != RecordingStatus.Error)
                    {
                        program.TimerId = _tvDtoService.GetInternalTimerId(timer.Id);

                        program.Status = timer.Status.ToString();
                    }

                    if (!string.IsNullOrEmpty(timer.SeriesTimerId))
                    {
                        program.SeriesTimerId = _tvDtoService.GetInternalSeriesTimerId(timer.SeriesTimerId)
                            .ToString("N", CultureInfo.InvariantCulture);

                        foundSeriesTimer = true;
                    }
                }

                if (foundSeriesTimer || string.IsNullOrWhiteSpace(externalSeriesId))
                {
                    continue;
                }

                if (seriesTimerList == null)
                {
                    seriesTimerList = (await GetSeriesTimersInternal(new SeriesTimerQuery(), cancellationToken).ConfigureAwait(false)).Items;
                }

                var seriesTimer = seriesTimerList.FirstOrDefault(i => string.Equals(i.SeriesId, externalSeriesId, StringComparison.OrdinalIgnoreCase));

                if (seriesTimer != null)
                {
                    program.SeriesTimerId = _tvDtoService.GetInternalSeriesTimerId(seriesTimer.Id)
                        .ToString("N", CultureInfo.InvariantCulture);
                }
            }
        }

        internal Task RefreshChannels(IProgress<double> progress, CancellationToken cancellationToken)
        {
            return RefreshChannelsInternal(progress, cancellationToken);
        }

        private async Task RefreshChannelsInternal(IProgress<double> progress, CancellationToken cancellationToken)
        {
            await EmbyTV.EmbyTV.Current.CreateRecordingFolders().ConfigureAwait(false);

            await EmbyTV.EmbyTV.Current.ScanForTunerDeviceChanges(cancellationToken).ConfigureAwait(false);

            var numComplete = 0;
            double progressPerService = _services.Length == 0
                ? 0
                : 1.0 / _services.Length;

            var newChannelIdList = new List<Guid>();
            var newProgramIdList = new List<Guid>();

            var cleanDatabase = true;

            foreach (var service in _services)
            {
                cancellationToken.ThrowIfCancellationRequested();

                _logger.LogDebug("Refreshing guide from {name}", service.Name);

                try
                {
                    var innerProgress = new ActionableProgress<double>();
                    innerProgress.RegisterAction(p => progress.Report(p * progressPerService));

                    var idList = await RefreshChannelsInternal(service, innerProgress, cancellationToken).ConfigureAwait(false);

                    newChannelIdList.AddRange(idList.Item1);
                    newProgramIdList.AddRange(idList.Item2);
                }
                catch (OperationCanceledException)
                {
                    throw;
                }
                catch (Exception ex)
                {
                    cleanDatabase = false;
                    _logger.LogError(ex, "Error refreshing channels for service");
                }

                numComplete++;
                double percent = numComplete;
                percent /= _services.Length;

                progress.Report(100 * percent);
            }

            if (cleanDatabase)
            {
                CleanDatabaseInternal(newChannelIdList.ToArray(), new[] { typeof(LiveTvChannel).Name }, progress, cancellationToken);
                CleanDatabaseInternal(newProgramIdList.ToArray(), new[] { typeof(LiveTvProgram).Name }, progress, cancellationToken);
            }

            var coreService = _services.OfType<EmbyTV.EmbyTV>().FirstOrDefault();

            if (coreService != null)
            {
                await coreService.RefreshSeriesTimers(cancellationToken).ConfigureAwait(false);
                await coreService.RefreshTimers(cancellationToken).ConfigureAwait(false);
            }

            // Load these now which will prefetch metadata
            var dtoOptions = new DtoOptions();
            var fields = dtoOptions.Fields.ToList();
            fields.Remove(ItemFields.BasicSyncInfo);
            dtoOptions.Fields = fields.ToArray();

            progress.Report(100);
        }

        private async Task<Tuple<List<Guid>, List<Guid>>> RefreshChannelsInternal(ILiveTvService service, IProgress<double> progress, CancellationToken cancellationToken)
        {
            progress.Report(10);

            var allChannelsList = (await service.GetChannelsAsync(cancellationToken).ConfigureAwait(false))
                .Select(i => new Tuple<string, ChannelInfo>(service.Name, i))
                .ToList();

            var list = new List<LiveTvChannel>();

            var numComplete = 0;
            var parentFolder = GetInternalLiveTvFolder(cancellationToken);

            foreach (var channelInfo in allChannelsList)
            {
                cancellationToken.ThrowIfCancellationRequested();

                try
                {
                    var item = GetChannel(channelInfo.Item2, channelInfo.Item1, parentFolder, cancellationToken);

                    list.Add(item);
                }
                catch (OperationCanceledException)
                {
                    throw;
                }
                catch (Exception ex)
                {
                    _logger.LogError(ex, "Error getting channel information for {name}", channelInfo.Item2.Name);
                }

                numComplete++;
                double percent = numComplete;
                percent /= allChannelsList.Count;

                progress.Report(5 * percent + 10);
            }

            progress.Report(15);

            numComplete = 0;
            var programs = new List<Guid>();
            var channels = new List<Guid>();

            var guideDays = GetGuideDays();

            _logger.LogInformation("Refreshing guide with {0} days of guide data", guideDays);

            cancellationToken.ThrowIfCancellationRequested();

            foreach (var currentChannel in list)
            {
                channels.Add(currentChannel.Id);
                cancellationToken.ThrowIfCancellationRequested();

                try
                {
                    var start = DateTime.UtcNow.AddHours(-1);
                    var end = start.AddDays(guideDays);

                    var isMovie = false;
                    var isSports = false;
                    var isNews = false;
                    var isKids = false;
                    var iSSeries = false;

                    var channelPrograms = (await service.GetProgramsAsync(currentChannel.ExternalId, start, end, cancellationToken).ConfigureAwait(false)).ToList();

                    var existingPrograms = _libraryManager.GetItemList(new InternalItemsQuery
                    {

                        IncludeItemTypes = new string[] { typeof(LiveTvProgram).Name },
                        ChannelIds = new Guid[] { currentChannel.Id },
                        DtoOptions = new DtoOptions(true)

                    }).Cast<LiveTvProgram>().ToDictionary(i => i.Id);

                    var newPrograms = new List<LiveTvProgram>();
                    var updatedPrograms = new List<BaseItem>();

                    foreach (var program in channelPrograms)
                    {
                        var programTuple = GetProgram(program, existingPrograms, currentChannel, currentChannel.ChannelType, service.Name, cancellationToken);
                        var programItem = programTuple.Item1;

                        if (programTuple.Item2)
                        {
                            newPrograms.Add(programItem);
                        }
                        else if (programTuple.Item3)
                        {
                            updatedPrograms.Add(programItem);
                        }

                        programs.Add(programItem.Id);

                        isMovie |= program.IsMovie;
                        iSSeries |= program.IsSeries;
                        isSports |= program.IsSports;
                        isNews |= program.IsNews;
                        isKids |= program.IsKids;
                    }

                    _logger.LogDebug("Channel {0} has {1} new programs and {2} updated programs", currentChannel.Name, newPrograms.Count, updatedPrograms.Count);

                    if (newPrograms.Count > 0)
                    {
                        _libraryManager.CreateItems(newPrograms, null, cancellationToken);
                    }

                    if (updatedPrograms.Count > 0)
                    {
                        _libraryManager.UpdateItems(updatedPrograms, currentChannel, ItemUpdateType.MetadataImport, cancellationToken);
                    }

                    currentChannel.IsMovie = isMovie;
                    currentChannel.IsNews = isNews;
                    currentChannel.IsSports = isSports;
                    currentChannel.IsSeries = iSSeries;

                    if (isKids)
                    {
                        currentChannel.AddTag("Kids");
                    }

                    //currentChannel.UpdateToRepository(ItemUpdateType.MetadataImport, cancellationToken);
                    await currentChannel.RefreshMetadata(new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem))
                    {
                        ForceSave = true

                    }, cancellationToken).ConfigureAwait(false);
                }
                catch (OperationCanceledException)
                {
                    throw;
                }
                catch (Exception ex)
                {
                    _logger.LogError(ex, "Error getting programs for channel {name}", currentChannel.Name);
                }

                numComplete++;
                double percent = numComplete / (double)allChannelsList.Count;

                progress.Report(85 * percent + 15);
            }

            progress.Report(100);
            return new Tuple<List<Guid>, List<Guid>>(channels, programs);
        }

        private void CleanDatabaseInternal(Guid[] currentIdList, string[] validTypes, IProgress<double> progress, CancellationToken cancellationToken)
        {
            var list = _itemRepo.GetItemIdsList(new InternalItemsQuery
            {
                IncludeItemTypes = validTypes,
                DtoOptions = new DtoOptions(false)
            });

            var numComplete = 0;

            foreach (var itemId in list)
            {
                cancellationToken.ThrowIfCancellationRequested();

                if (itemId.Equals(Guid.Empty))
                {
                    // Somehow some invalid data got into the db. It probably predates the boundary checking
                    continue;
                }

                if (!currentIdList.Contains(itemId))
                {
                    var item = _libraryManager.GetItemById(itemId);

                    if (item != null)
                    {
                        _libraryManager.DeleteItem(item, new DeleteOptions
                        {
                            DeleteFileLocation = false,
                            DeleteFromExternalProvider = false

                        }, false);
                    }
                }

                numComplete++;
                double percent = numComplete / (double)list.Count;

                progress.Report(100 * percent);
            }
        }

        private const int MaxGuideDays = 14;

        private double GetGuideDays()
        {
            var config = GetConfiguration();

            if (config.GuideDays.HasValue)
            {
                return Math.Max(1, Math.Min(config.GuideDays.Value, MaxGuideDays));
            }

            return 7;
        }

        private QueryResult<BaseItem> GetEmbyRecordings(RecordingQuery query, DtoOptions dtoOptions, User user)
        {
            if (user == null)
            {
                return new QueryResult<BaseItem>();
            }

            var folderIds = GetRecordingFolders(user, true)
                .Select(i => i.Id)
                .ToList();

            var excludeItemTypes = new List<string>();

            if (folderIds.Count == 0)
            {
                return new QueryResult<BaseItem>();
            }

            var includeItemTypes = new List<string>();
            var genres = new List<string>();

            if (query.IsMovie.HasValue)
            {
                if (query.IsMovie.Value)
                {
                    includeItemTypes.Add(typeof(Movie).Name);
                }
                else
                {
                    excludeItemTypes.Add(typeof(Movie).Name);
                }
            }

            if (query.IsSeries.HasValue)
            {
                if (query.IsSeries.Value)
                {
                    includeItemTypes.Add(typeof(Episode).Name);
                }
                else
                {
                    excludeItemTypes.Add(typeof(Episode).Name);
                }
            }

            if (query.IsSports ?? false)
            {
                genres.Add("Sports");
            }

            if (query.IsKids ?? false)
            {
                genres.Add("Kids");
                genres.Add("Children");
                genres.Add("Family");
            }

            var limit = query.Limit;

            if (query.IsInProgress ?? false)
            {
                // limit = (query.Limit ?? 10) * 2;
                limit = null;

                //var allActivePaths = EmbyTV.EmbyTV.Current.GetAllActiveRecordings().Select(i => i.Path).ToArray();
                //var items = allActivePaths.Select(i => _libraryManager.FindByPath(i, false)).Where(i => i != null).ToArray();

                //return new QueryResult<BaseItem>
                //{
                //    Items = items,
                //    TotalRecordCount = items.Length
                //};

                dtoOptions.Fields = dtoOptions.Fields.Concat(new[] { ItemFields.Tags }).Distinct().ToArray();
            }

            var result = _libraryManager.GetItemsResult(new InternalItemsQuery(user)
            {
                MediaTypes = new[] { MediaType.Video },
                Recursive = true,
                AncestorIds = folderIds.ToArray(),
                IsFolder = false,
                IsVirtualItem = false,
                Limit = limit,
                StartIndex = query.StartIndex,
                OrderBy = new[] { new ValueTuple<string, SortOrder>(ItemSortBy.DateCreated, SortOrder.Descending) },
                EnableTotalRecordCount = query.EnableTotalRecordCount,
                IncludeItemTypes = includeItemTypes.ToArray(),
                ExcludeItemTypes = excludeItemTypes.ToArray(),
                Genres = genres.ToArray(),
                DtoOptions = dtoOptions
            });

            if (query.IsInProgress ?? false)
            {
                // TODO: Fix The co-variant conversion between Video[] and BaseItem[], this can generate runtime issues.
                result.Items = result
                    .Items
                    .OfType<Video>()
                    .Where(i => !i.IsCompleteMedia)
                    .ToArray();

                result.TotalRecordCount = result.Items.Count;
            }

            return result;
        }

        public Task AddInfoToProgramDto(IReadOnlyCollection<(BaseItem, BaseItemDto)> tuples, ItemFields[] fields, User user = null)
        {
            var programTuples = new List<Tuple<BaseItemDto, string, string>>();
            var hasChannelImage = fields.Contains(ItemFields.ChannelImage);
            var hasChannelInfo = fields.Contains(ItemFields.ChannelInfo);

            foreach (var tuple in tuples)
            {
                var program = (LiveTvProgram)tuple.Item1;
                var dto = tuple.Item2;

                dto.StartDate = program.StartDate;
                dto.EpisodeTitle = program.EpisodeTitle;
                dto.IsRepeat |= program.IsRepeat;
                dto.IsMovie |= program.IsMovie;
                dto.IsSeries |= program.IsSeries;
                dto.IsSports |= program.IsSports;
                dto.IsLive |= program.IsLive;
                dto.IsNews |= program.IsNews;
                dto.IsKids |= program.IsKids;
                dto.IsPremiere |= program.IsPremiere;

                if (hasChannelInfo || hasChannelImage)
                {
                    var channel = _libraryManager.GetItemById(program.ChannelId);

                    if (channel is LiveTvChannel liveChannel)
                    {
                        dto.ChannelName = liveChannel.Name;
                        dto.MediaType = liveChannel.MediaType;
                        dto.ChannelNumber = liveChannel.Number;

                        if (hasChannelImage && liveChannel.HasImage(ImageType.Primary))
                        {
                            dto.ChannelPrimaryImageTag = _tvDtoService.GetImageTag(liveChannel);
                        }
                    }
                }

                programTuples.Add(new Tuple<BaseItemDto, string, string>(dto, program.ExternalId, program.ExternalSeriesId));
            }

            return AddRecordingInfo(programTuples, CancellationToken.None);
        }

        public ActiveRecordingInfo GetActiveRecordingInfo(string path)
        {
            return EmbyTV.EmbyTV.Current.GetActiveRecordingInfo(path);
        }

        public void AddInfoToRecordingDto(BaseItem item, BaseItemDto dto, ActiveRecordingInfo activeRecordingInfo, User user = null)
        {
            var service = EmbyTV.EmbyTV.Current;

            var info = activeRecordingInfo.Timer;

            var channel = string.IsNullOrWhiteSpace(info.ChannelId) ? null : _libraryManager.GetItemById(_tvDtoService.GetInternalChannelId(service.Name, info.ChannelId));

            dto.SeriesTimerId = string.IsNullOrEmpty(info.SeriesTimerId)
                ? null
                : _tvDtoService.GetInternalSeriesTimerId(info.SeriesTimerId).ToString("N", CultureInfo.InvariantCulture);

            dto.TimerId = string.IsNullOrEmpty(info.Id)
                ? null
                : _tvDtoService.GetInternalTimerId(info.Id);

            var startDate = info.StartDate;
            var endDate = info.EndDate;

            dto.StartDate = startDate;
            dto.EndDate = endDate;
            dto.Status = info.Status.ToString();
            dto.IsRepeat = info.IsRepeat;
            dto.EpisodeTitle = info.EpisodeTitle;
            dto.IsMovie = info.IsMovie;
            dto.IsSeries = info.IsSeries;
            dto.IsSports = info.IsSports;
            dto.IsLive = info.IsLive;
            dto.IsNews = info.IsNews;
            dto.IsKids = info.IsKids;
            dto.IsPremiere = info.IsPremiere;

            if (info.Status == RecordingStatus.InProgress)
            {
                startDate = info.StartDate.AddSeconds(0 - info.PrePaddingSeconds);
                endDate = info.EndDate.AddSeconds(info.PostPaddingSeconds);

                var now = DateTime.UtcNow.Ticks;
                var start = startDate.Ticks;
                var end = endDate.Ticks;

                var pct = now - start;

                pct /= end;
                pct *= 100;
                dto.CompletionPercentage = pct;
            }

            if (channel != null)
            {
                dto.ChannelName = channel.Name;

                if (channel.HasImage(ImageType.Primary))
                {
                    dto.ChannelPrimaryImageTag = _tvDtoService.GetImageTag(channel);
                }
            }
        }

        public QueryResult<BaseItemDto> GetRecordings(RecordingQuery query, DtoOptions options)
        {
            var user = query.UserId.Equals(Guid.Empty) ? null : _userManager.GetUserById(query.UserId);

            RemoveFields(options);

            var internalResult = GetEmbyRecordings(query, options, user);

            var returnArray = _dtoService.GetBaseItemDtos(internalResult.Items, options, user);

            return new QueryResult<BaseItemDto>
            {
                Items = returnArray,
                TotalRecordCount = internalResult.TotalRecordCount
            };
        }

        private async Task<QueryResult<TimerInfo>> GetTimersInternal(TimerQuery query, CancellationToken cancellationToken)
        {
            var tasks = _services.Select(async i =>
            {
                try
                {
                    var recs = await i.GetTimersAsync(cancellationToken).ConfigureAwait(false);
                    return recs.Select(r => new Tuple<TimerInfo, ILiveTvService>(r, i));
                }
                catch (Exception ex)
                {
                    _logger.LogError(ex, "Error getting recordings");
                    return new List<Tuple<TimerInfo, ILiveTvService>>();
                }
            });
            var results = await Task.WhenAll(tasks).ConfigureAwait(false);
            var timers = results.SelectMany(i => i.ToList());

            if (query.IsActive.HasValue)
            {
                if (query.IsActive.Value)
                {
                    timers = timers.Where(i => i.Item1.Status == RecordingStatus.InProgress);
                }
                else
                {
                    timers = timers.Where(i => i.Item1.Status != RecordingStatus.InProgress);
                }
            }

            if (query.IsScheduled.HasValue)
            {
                if (query.IsScheduled.Value)
                {
                    timers = timers.Where(i => i.Item1.Status == RecordingStatus.New);
                }
                else
                {
                    timers = timers.Where(i => i.Item1.Status != RecordingStatus.New);
                }
            }

            if (!string.IsNullOrEmpty(query.ChannelId))
            {
                var guid = new Guid(query.ChannelId);
                timers = timers.Where(i => guid == _tvDtoService.GetInternalChannelId(i.Item2.Name, i.Item1.ChannelId));
            }

            if (!string.IsNullOrEmpty(query.SeriesTimerId))
            {
                var guid = new Guid(query.SeriesTimerId);

                timers = timers
                    .Where(i => _tvDtoService.GetInternalSeriesTimerId(i.Item1.SeriesTimerId) == guid);
            }

            if (!string.IsNullOrEmpty(query.Id))
            {
                var guid = new Guid(query.Id);

                timers = timers
                    .Where(i => string.Equals(_tvDtoService.GetInternalTimerId(i.Item1.Id), query.Id, StringComparison.OrdinalIgnoreCase));
            }

            var returnArray = timers
                .Select(i => i.Item1)
                .OrderBy(i => i.StartDate)
                .ToArray();

            return new QueryResult<TimerInfo>
            {
                Items = returnArray,
                TotalRecordCount = returnArray.Length
            };
        }

        public async Task<QueryResult<TimerInfoDto>> GetTimers(TimerQuery query, CancellationToken cancellationToken)
        {
            var tasks = _services.Select(async i =>
            {
                try
                {
                    var recs = await i.GetTimersAsync(cancellationToken).ConfigureAwait(false);
                    return recs.Select(r => new Tuple<TimerInfo, ILiveTvService>(r, i));
                }
                catch (Exception ex)
                {
                    _logger.LogError(ex, "Error getting recordings");
                    return new List<Tuple<TimerInfo, ILiveTvService>>();
                }
            });
            var results = await Task.WhenAll(tasks).ConfigureAwait(false);
            var timers = results.SelectMany(i => i.ToList());

            if (query.IsActive.HasValue)
            {
                if (query.IsActive.Value)
                {
                    timers = timers.Where(i => i.Item1.Status == RecordingStatus.InProgress);
                }
                else
                {
                    timers = timers.Where(i => i.Item1.Status != RecordingStatus.InProgress);
                }
            }

            if (query.IsScheduled.HasValue)
            {
                if (query.IsScheduled.Value)
                {
                    timers = timers.Where(i => i.Item1.Status == RecordingStatus.New);
                }
                else
                {
                    timers = timers.Where(i => i.Item1.Status != RecordingStatus.New);
                }
            }

            if (!string.IsNullOrEmpty(query.ChannelId))
            {
                var guid = new Guid(query.ChannelId);
                timers = timers.Where(i => guid == _tvDtoService.GetInternalChannelId(i.Item2.Name, i.Item1.ChannelId));
            }

            if (!string.IsNullOrEmpty(query.SeriesTimerId))
            {
                var guid = new Guid(query.SeriesTimerId);

                timers = timers
                    .Where(i => _tvDtoService.GetInternalSeriesTimerId(i.Item1.SeriesTimerId) == guid);
            }

            if (!string.IsNullOrEmpty(query.Id))
            {
                timers = timers
                    .Where(i => string.Equals(_tvDtoService.GetInternalTimerId(i.Item1.Id), query.Id, StringComparison.OrdinalIgnoreCase));
            }

            var returnList = new List<TimerInfoDto>();

            foreach (var i in timers)
            {
                var program = string.IsNullOrEmpty(i.Item1.ProgramId) ?
                    null :
                    _libraryManager.GetItemById(_tvDtoService.GetInternalProgramId(i.Item1.ProgramId)) as LiveTvProgram;

                var channel = string.IsNullOrEmpty(i.Item1.ChannelId) ? null : _libraryManager.GetItemById(_tvDtoService.GetInternalChannelId(i.Item2.Name, i.Item1.ChannelId));

                returnList.Add(_tvDtoService.GetTimerInfoDto(i.Item1, i.Item2, program, channel));
            }

            var returnArray = returnList
                .OrderBy(i => i.StartDate)
                .ToArray();

            return new QueryResult<TimerInfoDto>
            {
                Items = returnArray,
                TotalRecordCount = returnArray.Length
            };
        }

        public async Task CancelTimer(string id)
        {
            var timer = await GetTimer(id, CancellationToken.None).ConfigureAwait(false);

            if (timer == null)
            {
                throw new ResourceNotFoundException(string.Format("Timer with Id {0} not found", id));
            }

            var service = GetService(timer.ServiceName);

            await service.CancelTimerAsync(timer.ExternalId, CancellationToken.None).ConfigureAwait(false);

            if (!(service is EmbyTV.EmbyTV))
            {
                TimerCancelled?.Invoke(this, new GenericEventArgs<TimerEventInfo>
                {
                    Argument = new TimerEventInfo
                    {
                        Id = id
                    }
                });
            }
        }

        public async Task CancelSeriesTimer(string id)
        {
            var timer = await GetSeriesTimer(id, CancellationToken.None).ConfigureAwait(false);

            if (timer == null)
            {
                throw new ResourceNotFoundException(string.Format("SeriesTimer with Id {0} not found", id));
            }

            var service = GetService(timer.ServiceName);

            await service.CancelSeriesTimerAsync(timer.ExternalId, CancellationToken.None).ConfigureAwait(false);

            SeriesTimerCancelled?.Invoke(this, new GenericEventArgs<TimerEventInfo>
            {
                Argument = new TimerEventInfo
                {
                    Id = id
                }
            });
        }

        public async Task<TimerInfoDto> GetTimer(string id, CancellationToken cancellationToken)
        {
            var results = await GetTimers(new TimerQuery
            {
                Id = id

            }, cancellationToken).ConfigureAwait(false);

            return results.Items.FirstOrDefault(i => string.Equals(i.Id, id, StringComparison.OrdinalIgnoreCase));
        }

        public async Task<SeriesTimerInfoDto> GetSeriesTimer(string id, CancellationToken cancellationToken)
        {
            var results = await GetSeriesTimers(new SeriesTimerQuery(), cancellationToken).ConfigureAwait(false);

            return results.Items.FirstOrDefault(i => string.Equals(i.Id, id, StringComparison.OrdinalIgnoreCase));
        }

        private async Task<QueryResult<SeriesTimerInfo>> GetSeriesTimersInternal(SeriesTimerQuery query, CancellationToken cancellationToken)
        {
            var tasks = _services.Select(async i =>
            {
                try
                {
                    var recs = await i.GetSeriesTimersAsync(cancellationToken).ConfigureAwait(false);
                    return recs.Select(r =>
                    {
                        r.ServiceName = i.Name;
                        return new Tuple<SeriesTimerInfo, ILiveTvService>(r, i);
                    });
                }
                catch (Exception ex)
                {
                    _logger.LogError(ex, "Error getting recordings");
                    return new List<Tuple<SeriesTimerInfo, ILiveTvService>>();
                }
            });
            var results = await Task.WhenAll(tasks).ConfigureAwait(false);
            var timers = results.SelectMany(i => i.ToList());

            if (string.Equals(query.SortBy, "Priority", StringComparison.OrdinalIgnoreCase))
            {
                timers = query.SortOrder == SortOrder.Descending ?
                    timers.OrderBy(i => i.Item1.Priority).ThenByStringDescending(i => i.Item1.Name) :
                    timers.OrderByDescending(i => i.Item1.Priority).ThenByString(i => i.Item1.Name);
            }
            else
            {
                timers = query.SortOrder == SortOrder.Descending ?
                    timers.OrderByStringDescending(i => i.Item1.Name) :
                    timers.OrderByString(i => i.Item1.Name);
            }

            var returnArray = timers
                .Select(i =>
                {
                    return i.Item1;

                })
                .ToArray();

            return new QueryResult<SeriesTimerInfo>
            {
                Items = returnArray,
                TotalRecordCount = returnArray.Length
            };
        }

        public async Task<QueryResult<SeriesTimerInfoDto>> GetSeriesTimers(SeriesTimerQuery query, CancellationToken cancellationToken)
        {
            var tasks = _services.Select(async i =>
            {
                try
                {
                    var recs = await i.GetSeriesTimersAsync(cancellationToken).ConfigureAwait(false);
                    return recs.Select(r => new Tuple<SeriesTimerInfo, ILiveTvService>(r, i));
                }
                catch (Exception ex)
                {
                    _logger.LogError(ex, "Error getting recordings");
                    return new List<Tuple<SeriesTimerInfo, ILiveTvService>>();
                }
            });
            var results = await Task.WhenAll(tasks).ConfigureAwait(false);
            var timers = results.SelectMany(i => i.ToList());

            if (string.Equals(query.SortBy, "Priority", StringComparison.OrdinalIgnoreCase))
            {
                timers = query.SortOrder == SortOrder.Descending ?
                    timers.OrderBy(i => i.Item1.Priority).ThenByStringDescending(i => i.Item1.Name) :
                    timers.OrderByDescending(i => i.Item1.Priority).ThenByString(i => i.Item1.Name);
            }
            else
            {
                timers = query.SortOrder == SortOrder.Descending ?
                    timers.OrderByStringDescending(i => i.Item1.Name) :
                    timers.OrderByString(i => i.Item1.Name);
            }

            var returnArray = timers
                .Select(i =>
                {
                    string channelName = null;

                    if (!string.IsNullOrEmpty(i.Item1.ChannelId))
                    {
                        var internalChannelId = _tvDtoService.GetInternalChannelId(i.Item2.Name, i.Item1.ChannelId);
                        var channel = _libraryManager.GetItemById(internalChannelId);
                        channelName = channel == null ? null : channel.Name;
                    }

                    return _tvDtoService.GetSeriesTimerInfoDto(i.Item1, i.Item2, channelName);

                })
                .ToArray();

            return new QueryResult<SeriesTimerInfoDto>
            {
                Items = returnArray,
                TotalRecordCount = returnArray.Length
            };
        }

        public BaseItem GetLiveTvChannel(TimerInfo timer, ILiveTvService service)
        {
            var internalChannelId = _tvDtoService.GetInternalChannelId(service.Name, timer.ChannelId);
            return _libraryManager.GetItemById(internalChannelId);
        }

        public void AddChannelInfo(IReadOnlyCollection<(BaseItemDto, LiveTvChannel)> tuples, DtoOptions options, User user)
        {
            var now = DateTime.UtcNow;

            var channelIds = tuples.Select(i => i.Item2.Id).Distinct().ToArray();

            var programs = options.AddCurrentProgram ? _libraryManager.GetItemList(new InternalItemsQuery(user)
            {
                IncludeItemTypes = new[] { typeof(LiveTvProgram).Name },
                ChannelIds = channelIds,
                MaxStartDate = now,
                MinEndDate = now,
                Limit = channelIds.Length,
                OrderBy = new[] { new ValueTuple<string, SortOrder>(ItemSortBy.StartDate, SortOrder.Ascending) },
                TopParentIds = new[] { GetInternalLiveTvFolder(CancellationToken.None).Id },
                DtoOptions = options

            }) : new List<BaseItem>();

            RemoveFields(options);

            var currentProgramsList = new List<BaseItem>();
            var currentChannelsDict = new Dictionary<Guid, BaseItemDto>();

            var addCurrentProgram = options.AddCurrentProgram;

            foreach (var tuple in tuples)
            {
                var dto = tuple.Item1;
                var channel = tuple.Item2;

                dto.Number = channel.Number;
                dto.ChannelNumber = channel.Number;
                dto.ChannelType = channel.ChannelType;

                currentChannelsDict[dto.Id] = dto;

                if (addCurrentProgram)
                {
                    var currentProgram = programs.FirstOrDefault(i => channel.Id.Equals(i.ChannelId));

                    if (currentProgram != null)
                    {
                        currentProgramsList.Add(currentProgram);
                    }
                }
            }

            if (addCurrentProgram)
            {
                var currentProgramDtos = _dtoService.GetBaseItemDtos(currentProgramsList, options, user);

                foreach (var programDto in currentProgramDtos)
                {
                    if (currentChannelsDict.TryGetValue(programDto.ChannelId, out BaseItemDto channelDto))
                    {
                        channelDto.CurrentProgram = programDto;
                    }
                }
            }
        }

        private async Task<Tuple<SeriesTimerInfo, ILiveTvService>> GetNewTimerDefaultsInternal(CancellationToken cancellationToken, LiveTvProgram program = null)
        {
            ILiveTvService service = null;
            ProgramInfo programInfo = null;

            if (program != null)
            {
                service = GetService(program);

                var channel = _libraryManager.GetItemById(program.ChannelId);

                programInfo = new ProgramInfo
                {
                    Audio = program.Audio,
                    ChannelId = channel.ExternalId,
                    CommunityRating = program.CommunityRating,
                    EndDate = program.EndDate ?? DateTime.MinValue,
                    EpisodeTitle = program.EpisodeTitle,
                    Genres = program.Genres.ToList(),
                    Id = program.ExternalId,
                    IsHD = program.IsHD,
                    IsKids = program.IsKids,
                    IsLive = program.IsLive,
                    IsMovie = program.IsMovie,
                    IsNews = program.IsNews,
                    IsPremiere = program.IsPremiere,
                    IsRepeat = program.IsRepeat,
                    IsSeries = program.IsSeries,
                    IsSports = program.IsSports,
                    OriginalAirDate = program.PremiereDate,
                    Overview = program.Overview,
                    StartDate = program.StartDate,
                    //ImagePath = program.ExternalImagePath,
                    Name = program.Name,
                    OfficialRating = program.OfficialRating
                };
            }

            if (service == null)
            {
                service = _services.First();
            }

            var info = await service.GetNewTimerDefaultsAsync(cancellationToken, programInfo).ConfigureAwait(false);

            info.RecordAnyTime = true;
            info.Days = new List<DayOfWeek>
            {
                DayOfWeek.Sunday,
                DayOfWeek.Monday,
                DayOfWeek.Tuesday,
                DayOfWeek.Wednesday,
                DayOfWeek.Thursday,
                DayOfWeek.Friday,
                DayOfWeek.Saturday
            };

            info.Id = null;

            return new Tuple<SeriesTimerInfo, ILiveTvService>(info, service);
        }

        public async Task<SeriesTimerInfoDto> GetNewTimerDefaults(CancellationToken cancellationToken)
        {
            var info = await GetNewTimerDefaultsInternal(cancellationToken).ConfigureAwait(false);

            var obj = _tvDtoService.GetSeriesTimerInfoDto(info.Item1, info.Item2, null);

            return obj;
        }

        public async Task<SeriesTimerInfoDto> GetNewTimerDefaults(string programId, CancellationToken cancellationToken)
        {
            var program = (LiveTvProgram)_libraryManager.GetItemById(programId);
            var programDto = await GetProgram(programId, cancellationToken).ConfigureAwait(false);

            var defaults = await GetNewTimerDefaultsInternal(cancellationToken, program).ConfigureAwait(false);
            var info = _tvDtoService.GetSeriesTimerInfoDto(defaults.Item1, defaults.Item2, null);

            info.Days = defaults.Item1.Days.ToArray();

            info.DayPattern = _tvDtoService.GetDayPattern(info.Days);

            info.Name = program.Name;
            info.ChannelId = programDto.ChannelId;
            info.ChannelName = programDto.ChannelName;
            info.StartDate = program.StartDate;
            info.Name = program.Name;
            info.Overview = program.Overview;
            info.ProgramId = programDto.Id.ToString("N", CultureInfo.InvariantCulture);
            info.ExternalProgramId = program.ExternalId;

            if (program.EndDate.HasValue)
            {
                info.EndDate = program.EndDate.Value;
            }

            return info;
        }

        public async Task CreateTimer(TimerInfoDto timer, CancellationToken cancellationToken)
        {
            var service = GetService(timer.ServiceName);

            var info = await _tvDtoService.GetTimerInfo(timer, true, this, cancellationToken).ConfigureAwait(false);

            // Set priority from default values
            var defaultValues = await service.GetNewTimerDefaultsAsync(cancellationToken).ConfigureAwait(false);
            info.Priority = defaultValues.Priority;

            string newTimerId = null;
            if (service is ISupportsNewTimerIds supportsNewTimerIds)
            {
                newTimerId = await supportsNewTimerIds.CreateTimer(info, cancellationToken).ConfigureAwait(false);
                newTimerId = _tvDtoService.GetInternalTimerId(newTimerId);
            }
            else
            {
                await service.CreateTimerAsync(info, cancellationToken).ConfigureAwait(false);
            }

            _logger.LogInformation("New recording scheduled");

            if (!(service is EmbyTV.EmbyTV))
            {
                TimerCreated?.Invoke(this, new GenericEventArgs<TimerEventInfo>
                {
                    Argument = new TimerEventInfo
                    {
                        ProgramId = _tvDtoService.GetInternalProgramId(info.ProgramId),
                        Id = newTimerId
                    }
                });
            }
        }

        public async Task CreateSeriesTimer(SeriesTimerInfoDto timer, CancellationToken cancellationToken)
        {
            var service = GetService(timer.ServiceName);

            var info = await _tvDtoService.GetSeriesTimerInfo(timer, true, this, cancellationToken).ConfigureAwait(false);

            // Set priority from default values
            var defaultValues = await service.GetNewTimerDefaultsAsync(cancellationToken).ConfigureAwait(false);
            info.Priority = defaultValues.Priority;

            string newTimerId = null;
            if (service is ISupportsNewTimerIds supportsNewTimerIds)
            {
                newTimerId = await supportsNewTimerIds.CreateSeriesTimer(info, cancellationToken).ConfigureAwait(false);
                newTimerId = _tvDtoService.GetInternalSeriesTimerId(newTimerId).ToString("N", CultureInfo.InvariantCulture);
            }
            else
            {
                await service.CreateSeriesTimerAsync(info, cancellationToken).ConfigureAwait(false);
            }

            SeriesTimerCreated?.Invoke(this, new GenericEventArgs<TimerEventInfo>
            {
                Argument = new TimerEventInfo
                {
                    ProgramId = _tvDtoService.GetInternalProgramId(info.ProgramId),
                    Id = newTimerId
                }
            });
        }

        public async Task UpdateTimer(TimerInfoDto timer, CancellationToken cancellationToken)
        {
            var info = await _tvDtoService.GetTimerInfo(timer, false, this, cancellationToken).ConfigureAwait(false);

            var service = GetService(timer.ServiceName);

            await service.UpdateTimerAsync(info, cancellationToken).ConfigureAwait(false);
        }

        public async Task UpdateSeriesTimer(SeriesTimerInfoDto timer, CancellationToken cancellationToken)
        {
            var info = await _tvDtoService.GetSeriesTimerInfo(timer, false, this, cancellationToken).ConfigureAwait(false);

            var service = GetService(timer.ServiceName);

            await service.UpdateSeriesTimerAsync(info, cancellationToken).ConfigureAwait(false);
        }

        public GuideInfo GetGuideInfo()
        {
            var startDate = DateTime.UtcNow;
            var endDate = startDate.AddDays(GetGuideDays());

            return new GuideInfo
            {
                StartDate = startDate,
                EndDate = endDate
            };
        }

        /// <summary>
        /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
        /// </summary>
        public void Dispose()
        {
            Dispose(true);
        }

        private bool _disposed = false;
        /// <summary>
        /// Releases unmanaged and - optionally - managed resources.
        /// </summary>
        /// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
        protected virtual void Dispose(bool dispose)
        {
            if (_disposed)
            {
                return;
            }

            if (dispose)
            {
                // TODO: Dispose stuff
            }

            _services = null;
            _listingProviders = null;
            _tunerHosts = null;

            _disposed = true;
        }

        private LiveTvServiceInfo[] GetServiceInfos()
        {
            return Services.Select(GetServiceInfo).ToArray();
        }

        private static LiveTvServiceInfo GetServiceInfo(ILiveTvService service)
        {
            return new LiveTvServiceInfo
            {
                Name = service.Name
            };
        }

        public LiveTvInfo GetLiveTvInfo(CancellationToken cancellationToken)
        {
            var services = GetServiceInfos();

            var info = new LiveTvInfo
            {
                Services = services,
                IsEnabled = services.Length > 0
            };

            info.EnabledUsers = _userManager.Users
                .Where(IsLiveTvEnabled)
                .Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture))
                .ToArray();

            return info;
        }

        private bool IsLiveTvEnabled(User user)
        {
            return user.Policy.EnableLiveTvAccess && (Services.Count > 1 || GetConfiguration().TunerHosts.Length > 0);
        }

        public IEnumerable<User> GetEnabledUsers()
        {
            return _userManager.Users
                .Where(IsLiveTvEnabled);
        }

        /// <summary>
        /// Resets the tuner.
        /// </summary>
        /// <param name="id">The identifier.</param>
        /// <param name="cancellationToken">The cancellation token.</param>
        /// <returns>Task.</returns>
        public Task ResetTuner(string id, CancellationToken cancellationToken)
        {
            var parts = id.Split(new[] { '_' }, 2);

            var service = _services.FirstOrDefault(i => string.Equals(i.GetType().FullName.GetMD5().ToString("N", CultureInfo.InvariantCulture), parts[0], StringComparison.OrdinalIgnoreCase));

            if (service == null)
            {
                throw new ArgumentException("Service not found.");
            }

            return service.ResetTuner(parts[1], cancellationToken);
        }

        private static void RemoveFields(DtoOptions options)
        {
            var fields = options.Fields.ToList();

            fields.Remove(ItemFields.CanDelete);
            fields.Remove(ItemFields.CanDownload);
            fields.Remove(ItemFields.DisplayPreferencesId);
            fields.Remove(ItemFields.Etag);
            options.Fields = fields.ToArray();
        }

        public Folder GetInternalLiveTvFolder(CancellationToken cancellationToken)
        {
            var name = _localization.GetLocalizedString("HeaderLiveTV");
            return _libraryManager.GetNamedView(name, CollectionType.LiveTv, name);
        }

        public async Task<TunerHostInfo> SaveTunerHost(TunerHostInfo info, bool dataSourceChanged = true)
        {
            info = _jsonSerializer.DeserializeFromString<TunerHostInfo>(_jsonSerializer.SerializeToString(info));

            var provider = _tunerHosts.FirstOrDefault(i => string.Equals(info.Type, i.Type, StringComparison.OrdinalIgnoreCase));

            if (provider == null)
            {
                throw new ResourceNotFoundException();
            }

            if (provider is IConfigurableTunerHost configurable)
            {
                await configurable.Validate(info).ConfigureAwait(false);
            }

            var config = GetConfiguration();

            var list = config.TunerHosts.ToList();
            var index = list.FindIndex(i => string.Equals(i.Id, info.Id, StringComparison.OrdinalIgnoreCase));

            if (index == -1 || string.IsNullOrWhiteSpace(info.Id))
            {
                info.Id = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
                list.Add(info);
                config.TunerHosts = list.ToArray();
            }
            else
            {
                config.TunerHosts[index] = info;
            }

            _config.SaveConfiguration("livetv", config);

            if (dataSourceChanged)
            {
                _taskManager.CancelIfRunningAndQueue<RefreshChannelsScheduledTask>();
            }

            return info;
        }

        public async Task<ListingsProviderInfo> SaveListingProvider(ListingsProviderInfo info, bool validateLogin, bool validateListings)
        {
            // Hack to make the object a pure ListingsProviderInfo instead of an AddListingProvider
            // ServerConfiguration.SaveConfiguration crashes during xml serialization for AddListingProvider
            info = _jsonSerializer.DeserializeFromString<ListingsProviderInfo>(_jsonSerializer.SerializeToString(info));

            var provider = _listingProviders.FirstOrDefault(i => string.Equals(info.Type, i.Type, StringComparison.OrdinalIgnoreCase));

            if (provider == null)
            {
                throw new ResourceNotFoundException(
                    string.Format("Couldn't find provider of type: '{0}'", info.Type)
                );
            }

            await provider.Validate(info, validateLogin, validateListings).ConfigureAwait(false);

            LiveTvOptions config = GetConfiguration();

            var list = config.ListingProviders.ToList();
            int index = list.FindIndex(i => string.Equals(i.Id, info.Id, StringComparison.OrdinalIgnoreCase));

            if (index == -1 || string.IsNullOrWhiteSpace(info.Id))
            {
                info.Id = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
                list.Add(info);
                config.ListingProviders = list.ToArray();
            }
            else
            {
                config.ListingProviders[index] = info;
            }

            _config.SaveConfiguration("livetv", config);

            _taskManager.CancelIfRunningAndQueue<RefreshChannelsScheduledTask>();

            return info;
        }

        public void DeleteListingsProvider(string id)
        {
            var config = GetConfiguration();

            config.ListingProviders = config.ListingProviders.Where(i => !string.Equals(id, i.Id, StringComparison.OrdinalIgnoreCase)).ToArray();

            _config.SaveConfiguration("livetv", config);
            _taskManager.CancelIfRunningAndQueue<RefreshChannelsScheduledTask>();
        }

        public async Task<TunerChannelMapping> SetChannelMapping(string providerId, string tunerChannelId, string providerChannelId)
        {
            var config = GetConfiguration();

            var listingsProviderInfo = config.ListingProviders.First(i => string.Equals(providerId, i.Id, StringComparison.OrdinalIgnoreCase));
            listingsProviderInfo.ChannelMappings = listingsProviderInfo.ChannelMappings.Where(i => !string.Equals(i.Name, tunerChannelId, StringComparison.OrdinalIgnoreCase)).ToArray();

            if (!string.Equals(tunerChannelId, providerChannelId, StringComparison.OrdinalIgnoreCase))
            {
                var list = listingsProviderInfo.ChannelMappings.ToList();
                list.Add(new NameValuePair
                {
                    Name = tunerChannelId,
                    Value = providerChannelId
                });
                listingsProviderInfo.ChannelMappings = list.ToArray();
            }

            _config.SaveConfiguration("livetv", config);

            var tunerChannels = await GetChannelsForListingsProvider(providerId, CancellationToken.None)
                        .ConfigureAwait(false);

            var providerChannels = await GetChannelsFromListingsProviderData(providerId, CancellationToken.None)
                     .ConfigureAwait(false);

            var mappings = listingsProviderInfo.ChannelMappings;

            var tunerChannelMappings =
                tunerChannels.Select(i => GetTunerChannelMapping(i, mappings, providerChannels)).ToList();

            _taskManager.CancelIfRunningAndQueue<RefreshChannelsScheduledTask>();

            return tunerChannelMappings.First(i => string.Equals(i.Id, tunerChannelId, StringComparison.OrdinalIgnoreCase));
        }

        public TunerChannelMapping GetTunerChannelMapping(ChannelInfo tunerChannel, NameValuePair[] mappings, List<ChannelInfo> epgChannels)
        {
            var result = new TunerChannelMapping
            {
                Name = tunerChannel.Name,
                Id = tunerChannel.Id
            };

            if (!string.IsNullOrWhiteSpace(tunerChannel.Number))
            {
                result.Name = tunerChannel.Number + " " + result.Name;
            }

            var providerChannel = EmbyTV.EmbyTV.Current.GetEpgChannelFromTunerChannel(mappings, tunerChannel, epgChannels);

            if (providerChannel != null)
            {
                result.ProviderChannelName = providerChannel.Name;
                result.ProviderChannelId = providerChannel.Id;
            }

            return result;
        }

        public Task<List<NameIdPair>> GetLineups(string providerType, string providerId, string country, string location)
        {
            var config = GetConfiguration();

            if (string.IsNullOrWhiteSpace(providerId))
            {
                var provider = _listingProviders.FirstOrDefault(i => string.Equals(providerType, i.Type, StringComparison.OrdinalIgnoreCase));

                if (provider == null)
                {
                    throw new ResourceNotFoundException();
                }

                return provider.GetLineups(null, country, location);
            }
            else
            {
                var info = config.ListingProviders.FirstOrDefault(i => string.Equals(i.Id, providerId, StringComparison.OrdinalIgnoreCase));

                var provider = _listingProviders.FirstOrDefault(i => string.Equals(info.Type, i.Type, StringComparison.OrdinalIgnoreCase));

                if (provider == null)
                {
                    throw new ResourceNotFoundException();
                }

                return provider.GetLineups(info, country, location);
            }
        }

        public Task<List<ChannelInfo>> GetChannelsForListingsProvider(string id, CancellationToken cancellationToken)
        {
            var info = GetConfiguration().ListingProviders.First(i => string.Equals(i.Id, id, StringComparison.OrdinalIgnoreCase));
            return EmbyTV.EmbyTV.Current.GetChannelsForListingsProvider(info, cancellationToken);
        }

        public Task<List<ChannelInfo>> GetChannelsFromListingsProviderData(string id, CancellationToken cancellationToken)
        {
            var info = GetConfiguration().ListingProviders.First(i => string.Equals(i.Id, id, StringComparison.OrdinalIgnoreCase));
            var provider = _listingProviders.First(i => string.Equals(i.Type, info.Type, StringComparison.OrdinalIgnoreCase));
            return provider.GetChannels(info, cancellationToken);
        }

        public Guid GetInternalChannelId(string serviceName, string externalId)
        {
            return _tvDtoService.GetInternalChannelId(serviceName, externalId);
        }

        public Guid GetInternalProgramId(string externalId)
        {
            return _tvDtoService.GetInternalProgramId(externalId);
        }

        public List<BaseItem> GetRecordingFolders(User user)
        {
            return GetRecordingFolders(user, false);
        }

        private List<BaseItem> GetRecordingFolders(User user, bool refreshChannels)
        {
            var folders = EmbyTV.EmbyTV.Current.GetRecordingFolders()
                .SelectMany(i => i.Locations)
                .Distinct(StringComparer.OrdinalIgnoreCase)
                .Select(i => _libraryManager.FindByPath(i, true))
                .Where(i => i != null)
                .Where(i => i.IsVisibleStandalone(user))
                .SelectMany(i => _libraryManager.GetCollectionFolders(i))
                .GroupBy(x => x.Id)
                .Select(x => x.First())
                .OrderBy(i => i.SortName)
                .ToList();

            folders.AddRange(_channelManager().GetChannelsInternal(new MediaBrowser.Model.Channels.ChannelQuery
            {
                UserId = user.Id,
                IsRecordingsFolder = true,
                RefreshLatestChannelItems = refreshChannels

            }).Items);

            return folders.Cast<BaseItem>().ToList();
        }
    }
}