jellyfin/Emby.Server.Implementations/LiveTv/LiveTvManager.cs

using MediaBrowser.Common;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Common.Progress;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Drawing;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
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.LiveTv;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Querying;
using MediaBrowser.Model.Serialization;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Model.IO;
using MediaBrowser.Common.Events;
using MediaBrowser.Common.IO;
using MediaBrowser.Common.Security;
using MediaBrowser.Controller.Entities.Movies;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.IO;
using MediaBrowser.Model.Events;
using MediaBrowser.Model.Extensions;
using MediaBrowser.Model.Globalization;
using MediaBrowser.Model.Tasks;
using Emby.Server.Implementations.LiveTv.Listings;

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 IProviderManager _providerManager;
        private readonly ISecurityManager _security;

        private readonly IDtoService _dtoService;
        private readonly ILocalizationManager _localization;

        private readonly LiveTvDtoService _tvDtoService;

        private readonly List<ILiveTvService> _services = new List<ILiveTvService>();

        private readonly SemaphoreSlim _refreshRecordingsLock = new SemaphoreSlim(1, 1);

        private readonly List<ITunerHost> _tunerHosts = new List<ITunerHost>();
        private readonly List<IListingsProvider> _listingProviders = new List<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 Task<LiveStream> GetEmbyTvLiveStream(string id)
        {
            return EmbyTV.EmbyTV.Current.GetLiveStream(id);
        }

        public LiveTvManager(IApplicationHost appHost, IServerConfigurationManager config, ILogger logger, IItemRepository itemRepo, IImageProcessor imageProcessor, IUserDataManager userDataManager, IDtoService dtoService, IUserManager userManager, ILibraryManager libraryManager, ITaskManager taskManager, ILocalizationManager localization, IJsonSerializer jsonSerializer, IProviderManager providerManager, IFileSystem fileSystem, ISecurityManager security)
        {
            _config = config;
            _logger = logger;
            _itemRepo = itemRepo;
            _userManager = userManager;
            _libraryManager = libraryManager;
            _taskManager = taskManager;
            _localization = localization;
            _jsonSerializer = jsonSerializer;
            _providerManager = providerManager;
            _fileSystem = fileSystem;
            _security = security;
            _dtoService = dtoService;
            _userDataManager = userDataManager;

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

        /// <summary>
        /// Gets the services.
        /// </summary>
        /// <value>The services.</value>
        public IReadOnlyList<ILiveTvService> Services
        {
            get { return _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.AddRange(services);
            _tunerHosts.AddRange(tunerHosts);
            _listingProviders.AddRange(listingProviders);

            foreach (var service in _services)
            {
                service.DataSourceChanged += service_DataSourceChanged;
                service.RecordingStatusChanged += Service_RecordingStatusChanged;
            }
        }

        private void Service_RecordingStatusChanged(object sender, RecordingStatusChangedEventArgs e)
        {
            _lastRecordingRefreshTime = DateTime.MinValue;
        }

        public List<ITunerHost> TunerHosts
        {
            get { return _tunerHosts; }
        }

        public List<IListingsProvider> ListingProviders
        {
            get { return _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);
        }

        void service_DataSourceChanged(object sender, EventArgs e)
        {
            if (!_isDisposed)
            {
                _taskManager.CancelIfRunningAndQueue<RefreshChannelsScheduledTask>();
            }
        }

        public async Task<QueryResult<LiveTvChannel>> GetInternalChannels(LiveTvChannelQuery query, CancellationToken cancellationToken)
        {
            var user = string.IsNullOrEmpty(query.UserId) ? null : _userManager.GetUserById(query.UserId);

            var topFolder = await GetInternalLiveTvFolder(cancellationToken).ConfigureAwait(false);

            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 },
                SortOrder = query.SortOrder ?? SortOrder.Ascending,
                TopParentIds = new[] { topFolder.Id.ToString("N") },
                IsFavorite = query.IsFavorite,
                IsLiked = query.IsLiked,
                StartIndex = query.StartIndex,
                Limit = query.Limit
            };

            internalQuery.OrderBy.AddRange(query.SortBy.Select(i => new Tuple<string, SortOrder>(i, query.SortOrder ?? SortOrder.Ascending)));

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

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

            var channelResult = _libraryManager.GetItemsResult(internalQuery);

            var result = new QueryResult<LiveTvChannel>
            {
                Items = channelResult.Items.Cast<LiveTvChannel>().ToArray(),
                TotalRecordCount = channelResult.TotalRecordCount
            };

            return result;
        }

        public LiveTvChannel GetInternalChannel(string id)
        {
            return GetInternalChannel(new Guid(id));
        }

        private LiveTvChannel GetInternalChannel(Guid id)
        {
            return _libraryManager.GetItemById(id) as LiveTvChannel;
        }

        internal LiveTvProgram GetInternalProgram(string id)
        {
            return _libraryManager.GetItemById(id) as LiveTvProgram;
        }

        internal LiveTvProgram GetInternalProgram(Guid id)
        {
            return _libraryManager.GetItemById(id) as LiveTvProgram;
        }

        public async Task<BaseItem> GetInternalRecording(string id, CancellationToken cancellationToken)
        {
            if (string.IsNullOrWhiteSpace(id))
            {
                throw new ArgumentNullException("id");
            }

            var result = await GetInternalRecordings(new RecordingQuery
            {
                Id = id

            }, cancellationToken).ConfigureAwait(false);

            return result.Items.FirstOrDefault();
        }

        public async Task<MediaSourceInfo> GetRecordingStream(string id, CancellationToken cancellationToken)
        {
            var info = await GetLiveStream(id, null, false, cancellationToken).ConfigureAwait(false);

            return info.Item1;
        }

        public Task<Tuple<MediaSourceInfo, IDirectStreamProvider>> GetChannelStream(string id, string mediaSourceId, CancellationToken cancellationToken)
        {
            return GetLiveStream(id, mediaSourceId, true, cancellationToken);
        }

        private string GetItemExternalId(BaseItem item)
        {
            var externalId = item.ExternalId;

            if (string.IsNullOrWhiteSpace(externalId))
            {
                externalId = item.GetProviderId("ProviderExternalId");
            }

            return externalId;
        }

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

            return await service.GetRecordingStreamMediaSources(GetItemExternalId(baseItem), cancellationToken).ConfigureAwait(false);
        }

        public async Task<IEnumerable<MediaSourceInfo>> GetChannelMediaSources(IHasMediaSources 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();
            }

            var list = sources.ToList();

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

            return list;
        }

        private ILiveTvService GetService(ILiveTvRecording item)
        {
            return GetService(item.ServiceName);
        }

        private ILiveTvService GetService(BaseItem item)
        {
            return GetService(item.ServiceName);
        }

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

        private async Task<Tuple<MediaSourceInfo, IDirectStreamProvider>> GetLiveStream(string id, string mediaSourceId, bool isChannel, CancellationToken cancellationToken)
        {
            if (string.Equals(id, mediaSourceId, StringComparison.OrdinalIgnoreCase))
            {
                mediaSourceId = null;
            }

            MediaSourceInfo info;
            bool isVideo;
            ILiveTvService service;
            IDirectStreamProvider directStreamProvider = null;

            if (isChannel)
            {
                var channel = GetInternalChannel(id);
                isVideo = channel.ChannelType == ChannelType.TV;
                service = GetService(channel);
                _logger.Info("Opening channel stream from {0}, external channel Id: {1}", service.Name, GetItemExternalId(channel));

                var supportsManagedStream = service as ISupportsDirectStreamProvider;
                if (supportsManagedStream != null)
                {
                    var streamInfo = await supportsManagedStream.GetChannelStreamWithDirectStreamProvider(GetItemExternalId(channel), mediaSourceId, cancellationToken).ConfigureAwait(false);
                    info = streamInfo.Item1;
                    directStreamProvider = streamInfo.Item2;
                }
                else
                {
                    info = await service.GetChannelStream(GetItemExternalId(channel), mediaSourceId, cancellationToken).ConfigureAwait(false);
                }
                info.RequiresClosing = true;

                if (info.RequiresClosing)
                {
                    var idPrefix = service.GetType().FullName.GetMD5().ToString("N") + "_";

                    info.LiveStreamId = idPrefix + info.Id;
                }
            }
            else
            {
                var recording = await GetInternalRecording(id, cancellationToken).ConfigureAwait(false);
                isVideo = !string.Equals(recording.MediaType, MediaType.Audio, StringComparison.OrdinalIgnoreCase);
                service = GetService(recording);

                _logger.Info("Opening recording stream from {0}, external recording Id: {1}", service.Name, GetItemExternalId(recording));
                info = await service.GetRecordingStream(GetItemExternalId(recording), null, cancellationToken).ConfigureAwait(false);
                info.RequiresClosing = true;

                if (info.RequiresClosing)
                {
                    var idPrefix = service.GetType().FullName.GetMD5().ToString("N") + "_";

                    info.LiveStreamId = idPrefix + info.Id;
                }
            }

            Normalize(info, service, isVideo);

            return new Tuple<MediaSourceInfo, IDirectStreamProvider>(info, directStreamProvider);
        }

        private void Normalize(MediaSourceInfo mediaSource, ILiveTvService service, bool isVideo)
        {
            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 async Task<LiveTvChannel> GetChannel(ChannelInfo channelInfo, string serviceName, Guid parentFolderId, CancellationToken cancellationToken)
        {
            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 (!string.Equals(channelInfo.Id, item.ExternalId, StringComparison.Ordinal))
            {
                isNew = true;
            }
            item.ExternalId = channelInfo.Id;

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

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

            //if (!string.Equals(item.ProviderImageUrl, channelInfo.ImageUrl, StringComparison.OrdinalIgnoreCase))
            //{
            //    isNew = true;
            //    replaceImages.Add(ImageType.Primary);
            //}
            //if (!string.Equals(item.ProviderImagePath, channelInfo.ImagePath, StringComparison.OrdinalIgnoreCase))
            //{
            //    isNew = true;
            //    replaceImages.Add(ImageType.Primary);
            //}

            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 (string.IsNullOrEmpty(item.Name))
            {
                item.Name = channelInfo.Name;
            }

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

            await item.RefreshMetadata(new MetadataRefreshOptions(_fileSystem)
            {
                ForceSave = isNew || forceUpdate

            }, cancellationToken);

            return item;
        }

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

            LiveTvProgram item = null;
            allExistingPrograms.TryGetValue(id, out item);

            var isNew = false;
            var forceUpdate = false;

            if (item == null)
            {
                isNew = true;
                item = new LiveTvProgram
                {
                    Name = info.Name,
                    Id = id,
                    DateCreated = DateTime.UtcNow,
                    DateModified = DateTime.UtcNow,
                    ExternalEtag = info.Etag
                };
            }

            var seriesId = info.SeriesId;

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

            //item.ChannelType = channelType;
            item.ServiceName = serviceName;

            item.Audio = info.Audio;
            item.ChannelId = channel.Id.ToString("N");
            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;

            item.Genres = info.Genres;
            item.IsHD = info.IsHD;
            item.IsKids = info.IsKids;
            item.IsLive = info.IsLive;
            item.IsMovie = info.IsMovie;
            item.IsNews = info.IsNews;
            item.IsPremiere = info.IsPremiere;
            item.IsRepeat = info.IsRepeat;
            item.IsSeries = info.IsSeries;
            item.IsSports = info.IsSports;
            item.Name = info.Name;
            item.OfficialRating = item.OfficialRating ?? info.OfficialRating;
            item.Overview = item.Overview ?? info.Overview;
            item.RunTimeTicks = (info.EndDate - info.StartDate).Ticks;

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

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

            item.HomePageUrl = info.HomePageUrl;

            item.ProductionYear = info.ProductionYear;

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

            var isUpdated = false;
            if (isNew)
            {
            }
            else if (forceUpdate || string.IsNullOrWhiteSpace(info.Etag))
            {
                isUpdated = true;
            }
            else
            {
                // Increment this whenver some internal change deems it necessary
                var etag = info.Etag + "4";

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

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

        private async Task<Guid> CreateRecordingRecord(RecordingInfo info, string serviceName, Guid parentFolderId, CancellationToken cancellationToken)
        {
            var isNew = false;

            var id = _tvDtoService.GetInternalRecordingId(serviceName, info.Id);

            var item = _itemRepo.RetrieveItem(id);

            if (item == null)
            {
                if (info.ChannelType == ChannelType.TV)
                {
                    item = new LiveTvVideoRecording
                    {
                        Name = info.Name,
                        Id = id,
                        DateCreated = DateTime.UtcNow,
                        DateModified = DateTime.UtcNow,
                        VideoType = VideoType.VideoFile
                    };
                }
                else
                {
                    item = new LiveTvAudioRecording
                    {
                        Name = info.Name,
                        Id = id,
                        DateCreated = DateTime.UtcNow,
                        DateModified = DateTime.UtcNow
                    };
                }

                isNew = true;
            }

            item.ChannelId = _tvDtoService.GetInternalChannelId(serviceName, info.ChannelId).ToString("N");
            item.CommunityRating = info.CommunityRating;
            item.OfficialRating = info.OfficialRating;
            item.Overview = info.Overview;
            item.EndDate = info.EndDate;
            item.Genres = info.Genres;
            item.PremiereDate = info.OriginalAirDate;

            var recording = (ILiveTvRecording)item;

            recording.ExternalId = info.Id;

            var dataChanged = false;

            recording.Audio = info.Audio;
            recording.EndDate = info.EndDate;
            recording.EpisodeTitle = info.EpisodeTitle;
            recording.IsHD = info.IsHD;
            recording.IsKids = info.IsKids;
            recording.IsLive = info.IsLive;
            recording.IsMovie = info.IsMovie;
            recording.IsNews = info.IsNews;
            recording.IsPremiere = info.IsPremiere;
            recording.IsRepeat = info.IsRepeat;
            recording.IsSports = info.IsSports;
            recording.SeriesTimerId = info.SeriesTimerId;
            recording.TimerId = info.TimerId;
            recording.StartDate = info.StartDate;

            if (!dataChanged)
            {
                dataChanged = recording.IsSeries != info.IsSeries;
            }
            recording.IsSeries = info.IsSeries;

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

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

            var statusChanged = info.Status != recording.Status;

            recording.Status = info.Status;

            recording.ServiceName = serviceName;

            if (!string.IsNullOrEmpty(info.Path))
            {
                if (!dataChanged)
                {
                    dataChanged = !string.Equals(item.Path, info.Path);
                }
                var fileInfo = _fileSystem.GetFileInfo(info.Path);

                recording.DateCreated = _fileSystem.GetCreationTimeUtc(fileInfo);
                recording.DateModified = _fileSystem.GetLastWriteTimeUtc(fileInfo);
                item.Path = info.Path;
            }
            else if (!string.IsNullOrEmpty(info.Url))
            {
                if (!dataChanged)
                {
                    dataChanged = !string.Equals(item.Path, info.Url);
                }
                item.Path = info.Url;
            }

            var metadataRefreshMode = MetadataRefreshMode.Default;

            if (isNew)
            {
                await _libraryManager.CreateItem(item, cancellationToken).ConfigureAwait(false);
            }
            else if (dataChanged || info.DateLastUpdated > recording.DateLastSaved || statusChanged)
            {
                metadataRefreshMode = MetadataRefreshMode.FullRefresh;
                await _libraryManager.UpdateItem(item, ItemUpdateType.MetadataImport, cancellationToken).ConfigureAwait(false);
            }

            if (info.Status != RecordingStatus.InProgress)
            {
                _providerManager.QueueRefresh(item.Id, new MetadataRefreshOptions(_fileSystem)
                {
                    MetadataRefreshMode = metadataRefreshMode

                }, RefreshPriority.Normal);
            }

            return item.Id;
        }



        private string GetExternalSeriesIdLegacy(BaseItem item)
        {
            return item.GetProviderId("ProviderExternalSeriesId");
        }

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

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

            var list = new List<Tuple<BaseItemDto, string, string, string>>();

            var externalSeriesId = program.ExternalSeriesId;

            if (string.IsNullOrWhiteSpace(externalSeriesId))
            {
                externalSeriesId = GetExternalSeriesIdLegacy(program);
            }

            list.Add(new Tuple<BaseItemDto, string, string, string>(dto, program.ServiceName, GetItemExternalId(program), externalSeriesId));

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

            return dto;
        }

        public async Task<QueryResult<BaseItemDto>> GetPrograms(ProgramQuery query, DtoOptions options, CancellationToken cancellationToken)
        {
            var user = string.IsNullOrEmpty(query.UserId) ? null : _userManager.GetUserById(query.UserId);

            var topFolder = await GetInternalLiveTvFolder(cancellationToken).ConfigureAwait(false);

            if (query.SortBy.Length == 0)
            {
                // Unless something else was specified, order by start date to take advantage of a specialized index
                query.SortBy = new[] { ItemSortBy.StartDate };
            }

            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,
                StartIndex = query.StartIndex,
                Limit = query.Limit,
                SortBy = query.SortBy,
                SortOrder = query.SortOrder ?? SortOrder.Ascending,
                EnableTotalRecordCount = query.EnableTotalRecordCount,
                TopParentIds = new[] { topFolder.Id.ToString("N") },
                Name = query.Name,
                DtoOptions = options
            };

            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.ServiceName, i.Id).ToString("N"), 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>();
                }
            }

            if (query.HasAired.HasValue)
            {
                if (query.HasAired.Value)
                {
                    internalQuery.MaxEndDate = DateTime.UtcNow;
                }
                else
                {
                    internalQuery.MinEndDate = DateTime.UtcNow;
                }
            }

            var queryResult = _libraryManager.QueryItems(internalQuery);

            RemoveFields(options);

            var returnArray = (await _dtoService.GetBaseItemDtos(queryResult.Items, options, user).ConfigureAwait(false)).ToArray();

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

            return result;
        }

        public async Task<QueryResult<LiveTvProgram>> GetRecommendedProgramsInternal(RecommendedProgramQuery query, DtoOptions options, CancellationToken cancellationToken)
        {
            var user = _userManager.GetUserById(query.UserId);

            var topFolder = await GetInternalLiveTvFolder(cancellationToken).ConfigureAwait(false);

            var internalQuery = new InternalItemsQuery(user)
            {
                IncludeItemTypes = new[] { typeof(LiveTvProgram).Name },
                IsAiring = query.IsAiring,
                IsNews = query.IsNews,
                IsMovie = query.IsMovie,
                IsSeries = query.IsSeries,
                IsSports = query.IsSports,
                IsKids = query.IsKids,
                EnableTotalRecordCount = query.EnableTotalRecordCount,
                SortBy = new[] { ItemSortBy.StartDate },
                TopParentIds = new[] { topFolder.Id.ToString("N") },
                DtoOptions = options
            };

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

            if (query.HasAired.HasValue)
            {
                if (query.HasAired.Value)
                {
                    internalQuery.MaxEndDate = DateTime.UtcNow;
                }
                else
                {
                    internalQuery.MinEndDate = DateTime.UtcNow;
                }
            }

            var programList = _libraryManager.QueryItems(internalQuery).Items.Cast<LiveTvProgram>().ToList();
            var totalCount = programList.Count;

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

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

            IEnumerable<LiveTvProgram> programs = orderedPrograms;

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

            var result = new QueryResult<LiveTvProgram>
            {
                Items = programs.ToArray(),
                TotalRecordCount = totalCount
            };

            return result;
        }

        public async Task<QueryResult<BaseItemDto>> GetRecommendedPrograms(RecommendedProgramQuery query, DtoOptions options, CancellationToken cancellationToken)
        {
            var internalResult = await GetRecommendedProgramsInternal(query, options, cancellationToken).ConfigureAwait(false);

            var user = _userManager.GetUserById(query.UserId);

            RemoveFields(options);

            var returnArray = (await _dtoService.GetBaseItemDtos(internalResult.Items, options, user).ConfigureAwait(false)).ToArray();

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

            return result;
        }

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

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

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

            var channel = GetInternalChannel(program.ChannelId);

            if (channel != null)
            {
                var channelUserdata = _userDataManager.GetUserData(userId, channel);

                if (channelUserdata.Likes ?? false)
                {
                    score += 2;
                }
                else if (!(channelUserdata.Likes ?? true))
                {
                    score -= 2;
                }

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

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

            return score;
        }

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

            foreach (var programTuple in programs)
            {
                var program = programTuple.Item1;
                var serviceName = programTuple.Item2;
                var externalProgramId = programTuple.Item3;
                string externalSeriesId = programTuple.Item4;

                if (string.IsNullOrWhiteSpace(serviceName))
                {
                    continue;
                }

                List<TimerInfo> timerList;
                if (!timers.TryGetValue(serviceName, out timerList))
                {
                    try
                    {
                        var tempTimers = await GetService(serviceName).GetTimersAsync(cancellationToken).ConfigureAwait(false);
                        timers[serviceName] = timerList = tempTimers.ToList();
                    }
                    catch (Exception ex)
                    {
                        _logger.ErrorException("Error getting timer infos", ex);
                        timers[serviceName] = timerList = new List<TimerInfo>();
                    }
                }

                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(serviceName, timer.Id)
                            .ToString("N");

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

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

                        foundSeriesTimer = true;
                    }
                }

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

                List<SeriesTimerInfo> seriesTimerList;
                if (!seriesTimers.TryGetValue(serviceName, out seriesTimerList))
                {
                    try
                    {
                        var tempTimers = await GetService(serviceName).GetSeriesTimersAsync(cancellationToken).ConfigureAwait(false);
                        seriesTimers[serviceName] = seriesTimerList = tempTimers.ToList();
                    }
                    catch (Exception ex)
                    {
                        _logger.ErrorException("Error getting series timer infos", ex);
                        seriesTimers[serviceName] = seriesTimerList = new List<SeriesTimerInfo>();
                    }
                }

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

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

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

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

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

            var numComplete = 0;
            double progressPerService = _services.Count == 0
                ? 0
                : 1 / _services.Count;

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

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

                _logger.Debug("Refreshing guide from {0}", 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)
                {
                    _logger.ErrorException("Error refreshing channels for service", ex);
                }

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

                progress.Report(100 * percent);
            }

            await CleanDatabaseInternal(newChannelIdList, new[] { typeof(LiveTvChannel).Name }, progress, cancellationToken).ConfigureAwait(false);
            await CleanDatabaseInternal(newProgramIdList, new[] { typeof(LiveTvProgram).Name }, progress, cancellationToken).ConfigureAwait(false);

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

            if (coreService != null)
            {
                await coreService.RefreshSeriesTimers(cancellationToken, new Progress<double>()).ConfigureAwait(false);
                await coreService.RefreshTimers(cancellationToken, new Progress<double>()).ConfigureAwait(false);
            }

            // Load these now which will prefetch metadata
            var dtoOptions = new DtoOptions();
            dtoOptions.Fields.Remove(ItemFields.SyncInfo);
            dtoOptions.Fields.Remove(ItemFields.BasicSyncInfo);
            await GetRecordings(new RecordingQuery(), dtoOptions, cancellationToken).ConfigureAwait(false);

            progress.Report(100);
        }

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

            var allChannels = await GetChannels(service, cancellationToken).ConfigureAwait(false);
            var allChannelsList = allChannels.ToList();

            var list = new List<LiveTvChannel>();

            var numComplete = 0;
            var parentFolder = await GetInternalLiveTvFolder(cancellationToken).ConfigureAwait(false);
            var parentFolderId = parentFolder.Id;

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

                try
                {
                    var item = await GetChannel(channelInfo.Item2, channelInfo.Item1, parentFolderId, cancellationToken).ConfigureAwait(false);

                    list.Add(item);
                }
                catch (OperationCanceledException)
                {
                    throw;
                }
                catch (Exception ex)
                {
                    _logger.ErrorException("Error getting channel information for {0}", ex, 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.Info("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(GetItemExternalId(currentChannel), start, end, cancellationToken).ConfigureAwait(false)).ToList();

                    var existingPrograms = _libraryManager.GetItemList(new InternalItemsQuery
                    {

                        IncludeItemTypes = new string[] { typeof(LiveTvProgram).Name },
                        ChannelIds = new string[] { currentChannel.Id.ToString("N") }

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

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

                    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);

                        if (program.IsMovie)
                        {
                            isMovie = true;
                        }

                        if (program.IsSeries)
                        {
                            iSSeries = true;
                        }

                        if (program.IsSports)
                        {
                            isSports = true;
                        }

                        if (program.IsNews)
                        {
                            isNews = true;
                        }

                        if (program.IsKids)
                        {
                            isKids = true;
                        }
                    }

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

                    if (newPrograms.Count > 0)
                    {
                        await _libraryManager.CreateItems(newPrograms, cancellationToken).ConfigureAwait(false);
                    }

                    // TODO: Do this in bulk
                    foreach (var program in updatedPrograms)
                    {
                        await _libraryManager.UpdateItem(program, ItemUpdateType.MetadataImport, cancellationToken).ConfigureAwait(false);
                    }

                    foreach (var program in newPrograms)
                    {
                        _providerManager.QueueRefresh(program.Id, new MetadataRefreshOptions(_fileSystem), RefreshPriority.Low);
                    }
                    foreach (var program in updatedPrograms)
                    {
                        _providerManager.QueueRefresh(program.Id, new MetadataRefreshOptions(_fileSystem), RefreshPriority.Low);
                    }

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

                    await currentChannel.UpdateToRepository(ItemUpdateType.MetadataImport, cancellationToken).ConfigureAwait(false);
                }
                catch (OperationCanceledException)
                {
                    throw;
                }
                catch (Exception ex)
                {
                    _logger.ErrorException("Error getting programs for channel {0}", ex, currentChannel.Name);
                }

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

                progress.Report(85 * percent + 15);
            }
            progress.Report(100);

            return new Tuple<List<Guid>, List<Guid>>(channels, programs);
        }

        private async Task CleanDatabaseInternal(List<Guid> currentIdList, string[] validTypes, IProgress<double> progress, CancellationToken cancellationToken)
        {
            var list = _itemRepo.GetItemIdsList(new InternalItemsQuery
            {
                IncludeItemTypes = validTypes

            }).ToList();

            var numComplete = 0;

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

                if (itemId == 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)
                    {
                        await _libraryManager.DeleteItem(item, new DeleteOptions
                        {
                            DeleteFileLocation = false

                        }).ConfigureAwait(false);
                    }
                }

                numComplete++;
                double percent = numComplete;
                percent /= 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 async Task<IEnumerable<Tuple<string, ChannelInfo>>> GetChannels(ILiveTvService service, CancellationToken cancellationToken)
        {
            var channels = await service.GetChannelsAsync(cancellationToken).ConfigureAwait(false);

            return channels.Select(i => new Tuple<string, ChannelInfo>(service.Name, i));
        }

        private DateTime _lastRecordingRefreshTime;
        private async Task RefreshRecordings(CancellationToken cancellationToken)
        {
            const int cacheMinutes = 2;

            await _refreshRecordingsLock.WaitAsync(cancellationToken).ConfigureAwait(false);

            try
            {
                if ((DateTime.UtcNow - _lastRecordingRefreshTime).TotalMinutes < cacheMinutes)
                {
                    return;
                }

                var tasks = _services.Select(async i =>
                {
                    try
                    {
                        var recs = await i.GetRecordingsAsync(cancellationToken).ConfigureAwait(false);
                        return recs.Select(r => new Tuple<RecordingInfo, ILiveTvService>(r, i));
                    }
                    catch (Exception ex)
                    {
                        _logger.ErrorException("Error getting recordings", ex);
                        return new List<Tuple<RecordingInfo, ILiveTvService>>();
                    }
                });

                var results = await Task.WhenAll(tasks).ConfigureAwait(false);
                var folder = await GetInternalLiveTvFolder(cancellationToken).ConfigureAwait(false);
                var parentFolderId = folder.Id;

                var recordingTasks = results.SelectMany(i => i.ToList()).Select(i => CreateRecordingRecord(i.Item1, i.Item2.Name, parentFolderId, cancellationToken));

                var idList = await Task.WhenAll(recordingTasks).ConfigureAwait(false);

                await CleanDatabaseInternal(idList.ToList(), new[] { typeof(LiveTvVideoRecording).Name, typeof(LiveTvAudioRecording).Name }, new Progress<double>(), cancellationToken).ConfigureAwait(false);

                _lastRecordingRefreshTime = DateTime.UtcNow;
            }
            finally
            {
                _refreshRecordingsLock.Release();
            }
        }

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

            if ((query.IsInProgress ?? false))
            {
                return new QueryResult<BaseItem>();
            }

            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))
                .ToList();

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

            var includeItemTypes = new List<string>();
            var excludeItemTypes = 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.HasValue)
            {
                if (query.IsSports.Value)
                {
                    genres.Add("Sports");
                }
            }
            if (query.IsKids.HasValue)
            {
                if (query.IsKids.Value)
                {
                    genres.Add("Kids");
                    genres.Add("Children");
                    genres.Add("Family");
                }
            }

            return _libraryManager.GetItemsResult(new InternalItemsQuery(user)
            {
                MediaTypes = new[] { MediaType.Video },
                Recursive = true,
                AncestorIds = folders.Select(i => i.Id.ToString("N")).ToArray(),
                IsFolder = false,
                IsVirtualItem = false,
                Limit = query.Limit,
                StartIndex = query.StartIndex,
                SortBy = new[] { ItemSortBy.DateCreated },
                SortOrder = SortOrder.Descending,
                EnableTotalRecordCount = query.EnableTotalRecordCount,
                IncludeItemTypes = includeItemTypes.ToArray(),
                ExcludeItemTypes = excludeItemTypes.ToArray(),
                Genres = genres.ToArray(),
                DtoOptions = dtoOptions
            });
        }

        public async Task<QueryResult<BaseItemDto>> GetRecordingSeries(RecordingQuery query, DtoOptions options, CancellationToken cancellationToken)
        {
            var user = string.IsNullOrEmpty(query.UserId) ? null : _userManager.GetUserById(query.UserId);
            if (user != null && !IsLiveTvEnabled(user))
            {
                return new QueryResult<BaseItemDto>();
            }

            if (_services.Count > 1)
            {
                return new QueryResult<BaseItemDto>();
            }

            if (user == null || (query.IsInProgress ?? false))
            {
                return new QueryResult<BaseItemDto>();
            }

            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))
                .ToList();

            if (folders.Count == 0)
            {
                return new QueryResult<BaseItemDto>();
            }

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

            includeItemTypes.Add(typeof(Series).Name);

            var internalResult = _libraryManager.GetItemsResult(new InternalItemsQuery(user)
            {
                Recursive = true,
                AncestorIds = folders.Select(i => i.Id.ToString("N")).ToArray(),
                Limit = query.Limit,
                SortBy = new[] { ItemSortBy.DateCreated },
                SortOrder = SortOrder.Descending,
                EnableTotalRecordCount = query.EnableTotalRecordCount,
                IncludeItemTypes = includeItemTypes.ToArray(),
                ExcludeItemTypes = excludeItemTypes.ToArray()
            });

            RemoveFields(options);

            var returnArray = (await _dtoService.GetBaseItemDtos(internalResult.Items, options, user).ConfigureAwait(false)).ToArray();

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

        public async Task<QueryResult<BaseItem>> GetInternalRecordings(RecordingQuery query, CancellationToken cancellationToken)
        {
            var user = string.IsNullOrEmpty(query.UserId) ? null : _userManager.GetUserById(query.UserId);
            if (user != null && !IsLiveTvEnabled(user))
            {
                return new QueryResult<BaseItem>();
            }

            if (_services.Count == 1 && !(query.IsInProgress ?? false) && (!query.IsLibraryItem.HasValue || query.IsLibraryItem.Value))
            {
                return GetEmbyRecordings(query, new DtoOptions(), user);
            }

            await RefreshRecordings(cancellationToken).ConfigureAwait(false);

            var internalQuery = new InternalItemsQuery(user)
            {
                IncludeItemTypes = new[] { typeof(LiveTvVideoRecording).Name, typeof(LiveTvAudioRecording).Name }
            };

            if (!string.IsNullOrEmpty(query.ChannelId))
            {
                internalQuery.ChannelIds = new[] { query.ChannelId };
            }

            var queryResult = _libraryManager.GetItemList(internalQuery);
            IEnumerable<ILiveTvRecording> recordings = queryResult.Cast<ILiveTvRecording>();

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

                recordings = recordings
                    .Where(i => i.Id == guid);
            }

            if (!string.IsNullOrWhiteSpace(query.GroupId))
            {
                var guid = new Guid(query.GroupId);

                recordings = recordings.Where(i => GetRecordingGroupIds(i).Contains(guid));
            }

            if (query.IsInProgress.HasValue)
            {
                var val = query.IsInProgress.Value;
                recordings = recordings.Where(i => i.Status == RecordingStatus.InProgress == val);
            }

            if (query.Status.HasValue)
            {
                var val = query.Status.Value;
                recordings = recordings.Where(i => i.Status == val);
            }

            if (query.IsMovie.HasValue)
            {
                var val = query.IsMovie.Value;
                recordings = recordings.Where(i => i.IsMovie == val);
            }

            if (query.IsNews.HasValue)
            {
                var val = query.IsNews.Value;
                recordings = recordings.Where(i => i.IsNews == val);
            }

            if (query.IsSeries.HasValue)
            {
                var val = query.IsSeries.Value;
                recordings = recordings.Where(i => i.IsSeries == val);
            }

            if (query.IsKids.HasValue)
            {
                var val = query.IsKids.Value;
                recordings = recordings.Where(i => i.IsKids == val);
            }

            if (query.IsSports.HasValue)
            {
                var val = query.IsSports.Value;
                recordings = recordings.Where(i => i.IsSports == val);
            }

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

                recordings = recordings
                    .Where(i => _tvDtoService.GetInternalSeriesTimerId(i.ServiceName, i.SeriesTimerId) == guid);
            }

            recordings = recordings.OrderByDescending(i => i.StartDate);

            var entityList = recordings.ToList();
            IEnumerable<ILiveTvRecording> entities = entityList;

            if (query.StartIndex.HasValue)
            {
                entities = entities.Skip(query.StartIndex.Value);
            }

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

            return new QueryResult<BaseItem>
            {
                Items = entities.Cast<BaseItem>().ToArray(),
                TotalRecordCount = entityList.Count
            };
        }

        public async Task AddInfoToProgramDto(List<Tuple<BaseItem, BaseItemDto>> tuples, List<ItemFields> fields, User user = null)
        {
            var programTuples = new List<Tuple<BaseItemDto, string, string, string>>();

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

                dto.StartDate = program.StartDate;
                dto.EpisodeTitle = program.EpisodeTitle;

                if (program.IsRepeat)
                {
                    dto.IsRepeat = program.IsRepeat;
                }
                if (program.IsMovie)
                {
                    dto.IsMovie = program.IsMovie;
                }
                if (program.IsSeries)
                {
                    dto.IsSeries = program.IsSeries;
                }
                if (program.IsSports)
                {
                    dto.IsSports = program.IsSports;
                }
                if (program.IsLive)
                {
                    dto.IsLive = program.IsLive;
                }
                if (program.IsNews)
                {
                    dto.IsNews = program.IsNews;
                }
                if (program.IsKids)
                {
                    dto.IsKids = program.IsKids;
                }
                if (program.IsPremiere)
                {
                    dto.IsPremiere = program.IsPremiere;
                }

                if (fields.Contains(ItemFields.ChannelInfo))
                {
                    var channel = GetInternalChannel(program.ChannelId);

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

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

                var serviceName = program.ServiceName;

                if (fields.Contains(ItemFields.ServiceName))
                {
                    dto.ServiceName = serviceName;
                }

                var externalSeriesId = program.ExternalSeriesId;

                if (string.IsNullOrWhiteSpace(externalSeriesId))
                {
                    externalSeriesId = GetExternalSeriesIdLegacy(program);
                }

                programTuples.Add(new Tuple<BaseItemDto, string, string, string>(dto, serviceName, GetItemExternalId(program), externalSeriesId));
            }

            await AddRecordingInfo(programTuples, CancellationToken.None).ConfigureAwait(false);
        }

        public void AddInfoToRecordingDto(BaseItem item, BaseItemDto dto, User user = null)
        {
            var recording = (ILiveTvRecording)item;
            var service = GetService(recording);

            var channel = string.IsNullOrWhiteSpace(recording.ChannelId) ? null : GetInternalChannel(recording.ChannelId);

            var info = recording;

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

            dto.TimerId = string.IsNullOrEmpty(info.TimerId)
                ? null
                : _tvDtoService.GetInternalTimerId(service.Name, info.TimerId).ToString("N");

            dto.StartDate = info.StartDate;
            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;

            dto.CanDelete = user == null
                ? recording.CanDelete()
                : recording.CanDelete(user);

            if (dto.MediaSources == null)
            {
                dto.MediaSources = recording.GetMediaSources(true).ToList();
            }

            if (dto.MediaStreams == null)
            {
                dto.MediaStreams = dto.MediaSources.SelectMany(i => i.MediaStreams).ToList();
            }

            if (info.Status == RecordingStatus.InProgress && info.EndDate.HasValue)
            {
                var now = DateTime.UtcNow.Ticks;
                var start = info.StartDate.Ticks;
                var end = info.EndDate.Value.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 async Task<QueryResult<BaseItemDto>> GetRecordings(RecordingQuery query, DtoOptions options, CancellationToken cancellationToken)
        {
            var user = string.IsNullOrEmpty(query.UserId) ? null : _userManager.GetUserById(query.UserId);

            var internalResult = await GetInternalRecordings(query, cancellationToken).ConfigureAwait(false);

            RemoveFields(options);

            var returnArray = (await _dtoService.GetBaseItemDtos(internalResult.Items, options, user).ConfigureAwait(false)).ToArray();

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

        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.ErrorException("Error getting recordings", ex);
                    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.Item2.Name, i.Item1.SeriesTimerId) == guid);
            }

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

                timers = timers
                    .Where(i => _tvDtoService.GetInternalTimerId(i.Item2.Name, i.Item1.Id) == guid);
            }

            var returnList = new List<TimerInfoDto>();

            foreach (var i in timers)
            {
                var program = string.IsNullOrEmpty(i.Item1.ProgramId) ?
                    null :
                    GetInternalProgram(_tvDtoService.GetInternalProgramId(i.Item2.Name, i.Item1.ProgramId).ToString("N"));

                var channel = string.IsNullOrEmpty(i.Item1.ChannelId) ? null : GetInternalChannel(_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 Task OnRecordingFileDeleted(BaseItem recording)
        {
            var service = GetService(recording);

            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
                return service.DeleteRecordingAsync(GetItemExternalId(recording), CancellationToken.None);
            }

            return Task.FromResult(true);
        }

        public async Task DeleteRecording(string recordingId)
        {
            var recording = await GetInternalRecording(recordingId, CancellationToken.None).ConfigureAwait(false);

            if (recording == null)
            {
                throw new ResourceNotFoundException(string.Format("Recording with Id {0} not found", recordingId));
            }

            await DeleteRecording((BaseItem)recording).ConfigureAwait(false);
        }

        public async Task DeleteRecording(BaseItem recording)
        {
            var service = GetService(recording.ServiceName);

            try
            {
                await service.DeleteRecordingAsync(GetItemExternalId(recording), CancellationToken.None).ConfigureAwait(false);
            }
            catch (ResourceNotFoundException)
            {

            }

            _lastRecordingRefreshTime = DateTime.MinValue;

            // This is the responsibility of the live tv service
            await _libraryManager.DeleteItem((BaseItem)recording, new DeleteOptions
            {
                DeleteFileLocation = false

            }).ConfigureAwait(false);

            _lastRecordingRefreshTime = DateTime.MinValue;
        }

        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);
            _lastRecordingRefreshTime = DateTime.MinValue;

            EventHelper.QueueEventIfNotNull(TimerCancelled, this, new GenericEventArgs<TimerEventInfo>
            {
                Argument = new TimerEventInfo
                {
                    Id = id
                }
            }, _logger);
        }

        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);
            _lastRecordingRefreshTime = DateTime.MinValue;

            EventHelper.QueueEventIfNotNull(SeriesTimerCancelled, this, new GenericEventArgs<TimerEventInfo>
            {
                Argument = new TimerEventInfo
                {
                    Id = id
                }
            }, _logger);
        }

        public async Task<BaseItemDto> GetRecording(string id, DtoOptions options, CancellationToken cancellationToken, User user = null)
        {
            var item = await GetInternalRecording(id, cancellationToken).ConfigureAwait(false);

            if (item == null)
            {
                return null;
            }

            return _dtoService.GetBaseItemDto((BaseItem)item, options, user);
        }

        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.ErrorException("Error getting recordings", ex);
                    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.ErrorException("Error getting recordings", ex);
                    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 = GetInternalChannel(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 async Task AddChannelInfo(List<Tuple<BaseItemDto, LiveTvChannel>> tuples, DtoOptions options, User user)
        {
            var now = DateTime.UtcNow;

            var channelIds = tuples.Select(i => i.Item2.Id.ToString("N")).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,
                SortBy = new[] { "StartDate" },
                TopParentIds = new[] { GetInternalLiveTvFolder(CancellationToken.None).Result.Id.ToString("N") }

            }).ToList() : new List<BaseItem>();

            RemoveFields(options);

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

            var addCurrentProgram = options.AddCurrentProgram;
            var addMediaSources = options.Fields.Contains(ItemFields.MediaSources);

            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;
                dto.ServiceName = channel.ServiceName;

                currentChannelsDict[dto.Id] = dto;

                if (addMediaSources)
                {
                    dto.MediaSources = channel.GetMediaSources(true).ToList();
                }

                if (addCurrentProgram)
                {
                    var channelIdString = channel.Id.ToString("N");
                    var currentProgram = programs.FirstOrDefault(i => string.Equals(i.ChannelId, channelIdString));

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

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

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

        private async Task<Tuple<SeriesTimerInfo, ILiveTvService>> GetNewTimerDefaultsInternal(CancellationToken cancellationToken, LiveTvProgram program = null)
        {
            var service = program != null && !string.IsNullOrWhiteSpace(program.ServiceName) ?
                GetService(program) :
                _services.FirstOrDefault();

            ProgramInfo programInfo = null;

            if (program != null)
            {
                var channel = GetInternalChannel(program.ChannelId);

                programInfo = new ProgramInfo
                {
                    Audio = program.Audio,
                    ChannelId = GetItemExternalId(channel),
                    CommunityRating = program.CommunityRating,
                    EndDate = program.EndDate ?? DateTime.MinValue,
                    EpisodeTitle = program.EpisodeTitle,
                    Genres = program.Genres,
                    Id = GetItemExternalId(program),
                    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
                };
            }

            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 = GetInternalProgram(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;

            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;
            info.ExternalProgramId = GetItemExternalId(program);

            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;
            var supportsNewTimerIds = service as ISupportsNewTimerIds;
            if (supportsNewTimerIds != null)
            {
                newTimerId = await supportsNewTimerIds.CreateTimer(info, cancellationToken).ConfigureAwait(false);
                newTimerId = _tvDtoService.GetInternalTimerId(timer.ServiceName, newTimerId).ToString("N");
            }
            else
            {
                await service.CreateTimerAsync(info, cancellationToken).ConfigureAwait(false);
            }

            _lastRecordingRefreshTime = DateTime.MinValue;
            _logger.Info("New recording scheduled");

            EventHelper.QueueEventIfNotNull(TimerCreated, this, new GenericEventArgs<TimerEventInfo>
            {
                Argument = new TimerEventInfo
                {
                    ProgramId = _tvDtoService.GetInternalProgramId(timer.ServiceName, info.ProgramId).ToString("N"),
                    Id = newTimerId
                }
            }, _logger);
        }

        public async Task CreateSeriesTimer(SeriesTimerInfoDto timer, CancellationToken cancellationToken)
        {
            var registration = await GetRegistrationInfo("seriesrecordings").ConfigureAwait(false);

            if (!registration.IsValid)
            {
                _logger.Info("Creating series recordings requires an active Emby Premiere subscription.");
                return;
            }

            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;
            var supportsNewTimerIds = service as ISupportsNewTimerIds;
            if (supportsNewTimerIds != null)
            {
                newTimerId = await supportsNewTimerIds.CreateSeriesTimer(info, cancellationToken).ConfigureAwait(false);
                newTimerId = _tvDtoService.GetInternalSeriesTimerId(timer.ServiceName, newTimerId).ToString("N");
            }
            else
            {
                await service.CreateSeriesTimerAsync(info, cancellationToken).ConfigureAwait(false);
            }

            _lastRecordingRefreshTime = DateTime.MinValue;

            EventHelper.QueueEventIfNotNull(SeriesTimerCreated, this, new GenericEventArgs<TimerEventInfo>
            {
                Argument = new TimerEventInfo
                {
                    ProgramId = _tvDtoService.GetInternalProgramId(timer.ServiceName, info.ProgramId).ToString("N"),
                    Id = newTimerId
                }
            }, _logger);
        }

        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);
            _lastRecordingRefreshTime = DateTime.MinValue;
        }

        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);
            _lastRecordingRefreshTime = DateTime.MinValue;
        }

        private IEnumerable<string> GetRecordingGroupNames(ILiveTvRecording recording)
        {
            var list = new List<string>();

            if (recording.IsSeries)
            {
                list.Add(recording.Name);
            }

            if (recording.IsKids)
            {
                list.Add("Kids");
            }

            if (recording.IsMovie)
            {
                list.Add("Movies");
            }

            if (recording.IsNews)
            {
                list.Add("News");
            }

            if (recording.IsSports)
            {
                list.Add("Sports");
            }

            if (!recording.IsSports && !recording.IsNews && !recording.IsMovie && !recording.IsKids && !recording.IsSeries)
            {
                list.Add("Others");
            }

            return list;
        }

        private List<Guid> GetRecordingGroupIds(ILiveTvRecording recording)
        {
            return GetRecordingGroupNames(recording).Select(i => i.ToLower()
                .GetMD5())
                .ToList();
        }

        public async Task<QueryResult<BaseItemDto>> GetRecordingGroups(RecordingGroupQuery query, CancellationToken cancellationToken)
        {
            var recordingResult = await GetInternalRecordings(new RecordingQuery
            {
                UserId = query.UserId

            }, cancellationToken).ConfigureAwait(false);

            var recordings = recordingResult.Items.OfType<ILiveTvRecording>().ToList();

            var groups = new List<BaseItemDto>();

            var series = recordings
                .Where(i => i.IsSeries)
                .ToLookup(i => i.Name, StringComparer.OrdinalIgnoreCase)
                .ToList();

            groups.AddRange(series.OrderByString(i => i.Key).Select(i => new BaseItemDto
            {
                Name = i.Key,
                RecordingCount = i.Count()
            }));

            groups.Add(new BaseItemDto
            {
                Name = "Kids",
                RecordingCount = recordings.Count(i => i.IsKids)
            });

            groups.Add(new BaseItemDto
            {
                Name = "Movies",
                RecordingCount = recordings.Count(i => i.IsMovie)
            });

            groups.Add(new BaseItemDto
            {
                Name = "News",
                RecordingCount = recordings.Count(i => i.IsNews)
            });

            groups.Add(new BaseItemDto
            {
                Name = "Sports",
                RecordingCount = recordings.Count(i => i.IsSports)
            });

            groups.Add(new BaseItemDto
            {
                Name = "Others",
                RecordingCount = recordings.Count(i => !i.IsSports && !i.IsNews && !i.IsMovie && !i.IsKids && !i.IsSeries)
            });

            groups = groups
                .Where(i => i.RecordingCount > 0)
                .ToList();

            foreach (var group in groups)
            {
                group.Id = group.Name.ToLower().GetMD5().ToString("N");
            }

            return new QueryResult<BaseItemDto>
            {
                Items = groups.ToArray(),
                TotalRecordCount = groups.Count
            };
        }

        public async Task CloseLiveStream(string id)
        {
            var parts = id.Split(new[] { '_' }, 2);

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

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

            id = parts[1];

            _logger.Info("Closing live stream from {0}, stream Id: {1}", service.Name, id);

            await service.CloseLiveStream(id, CancellationToken.None).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 _isDisposed = 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 (dispose)
            {
                _isDisposed = true;
            }
        }

        private async Task<IEnumerable<LiveTvServiceInfo>> GetServiceInfos(CancellationToken cancellationToken)
        {
            var tasks = Services.Select(i => GetServiceInfo(i, cancellationToken));

            return await Task.WhenAll(tasks).ConfigureAwait(false);
        }

        private async Task<LiveTvServiceInfo> GetServiceInfo(ILiveTvService service, CancellationToken cancellationToken)
        {
            var info = new LiveTvServiceInfo
            {
                Name = service.Name
            };

            var tunerIdPrefix = service.GetType().FullName.GetMD5().ToString("N") + "_";

            try
            {
                var statusInfo = await service.GetStatusInfoAsync(cancellationToken).ConfigureAwait(false);

                info.Status = statusInfo.Status;
                info.StatusMessage = statusInfo.StatusMessage;
                info.Version = statusInfo.Version;
                info.HasUpdateAvailable = statusInfo.HasUpdateAvailable;
                info.HomePageUrl = service.HomePageUrl;
                info.IsVisible = statusInfo.IsVisible;

                info.Tuners = statusInfo.Tuners.Select(i =>
                {
                    string channelName = null;

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

                    var dto = _tvDtoService.GetTunerInfoDto(service.Name, i, channelName);

                    dto.Id = tunerIdPrefix + dto.Id;

                    return dto;

                }).ToList();
            }
            catch (Exception ex)
            {
                _logger.ErrorException("Error getting service status info from {0}", ex, service.Name ?? string.Empty);

                info.Status = LiveTvServiceStatus.Unavailable;
                info.StatusMessage = ex.Message;
            }

            return info;
        }

        public async Task<LiveTvInfo> GetLiveTvInfo(CancellationToken cancellationToken)
        {
            var services = await GetServiceInfos(CancellationToken.None).ConfigureAwait(false);
            var servicesList = services.ToList();

            var info = new LiveTvInfo
            {
                Services = servicesList.ToList(),
                IsEnabled = servicesList.Count > 0
            };

            info.EnabledUsers = _userManager.Users
                .Where(IsLiveTvEnabled)
                .Select(i => i.Id.ToString("N"))
                .ToList();

            return info;
        }

        private bool IsLiveTvEnabled(User user)
        {
            return user.Policy.EnableLiveTvAccess && (Services.Count > 1 || GetConfiguration().TunerHosts.Count > 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"), parts[0], StringComparison.OrdinalIgnoreCase));

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

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

        public async Task<BaseItemDto> GetLiveTvFolder(string userId, CancellationToken cancellationToken)
        {
            var user = string.IsNullOrEmpty(userId) ? null : _userManager.GetUserById(userId);

            var folder = await GetInternalLiveTvFolder(cancellationToken).ConfigureAwait(false);

            return _dtoService.GetBaseItemDto(folder, new DtoOptions(), user);
        }

        private void RemoveFields(DtoOptions options)
        {
            options.Fields.Remove(ItemFields.CanDelete);
            options.Fields.Remove(ItemFields.CanDownload);
            options.Fields.Remove(ItemFields.DisplayPreferencesId);
            options.Fields.Remove(ItemFields.Etag);
        }

        public async Task<Folder> GetInternalLiveTvFolder(CancellationToken cancellationToken)
        {
            var name = _localization.GetLocalizedString("ViewTypeLiveTV");
            return await _libraryManager.GetNamedView(name, CollectionType.LiveTv, name, cancellationToken).ConfigureAwait(false);
        }

        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();
            }

            var configurable = provider as IConfigurableTunerHost;
            if (configurable != null)
            {
                await configurable.Validate(info).ConfigureAwait(false);
            }

            var config = GetConfiguration();

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

            if (index == -1 || string.IsNullOrWhiteSpace(info.Id))
            {
                info.Id = Guid.NewGuid().ToString("N");
                config.TunerHosts.Add(info);
            }
            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)
        {
            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();
            }

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

            var config = GetConfiguration();

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

            if (index == -1 || string.IsNullOrWhiteSpace(info.Id))
            {
                info.Id = Guid.NewGuid().ToString("N");
                config.ListingProviders.Add(info);
                info.EnableNewProgramIds = true;
            }
            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)).ToList();

            _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.ToList();

            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, List<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<MBRegistrationRecord> GetRegistrationInfo(string feature)
        {
            if (string.Equals(feature, "seriesrecordings", StringComparison.OrdinalIgnoreCase))
            {
                feature = "embytvseriesrecordings";
            }

            if (string.Equals(feature, "dvr-l", StringComparison.OrdinalIgnoreCase))
            {
                var config = GetConfiguration();
                if (config.TunerHosts.Count > 0 &&
                    config.ListingProviders.Count(i => (i.EnableAllTuners || i.EnabledTuners.Length > 0) && string.Equals(i.Type, SchedulesDirect.TypeName, StringComparison.OrdinalIgnoreCase)) > 0)
                {
                    return Task.FromResult(new MBRegistrationRecord
                    {
                        IsRegistered = true,
                        IsValid = true
                    });
                }
            }

            return _security.GetRegistrationStatus(feature);
        }

        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);
        }
    }
}