#nullable disable
#pragma warning disable CS1591
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text.Json;
using System.Threading;
using System.Threading.Tasks;
using Emby.Server.Implementations.Library;
using Jellyfin.Data.Entities;
using Jellyfin.Data.Enums;
using Jellyfin.Data.Events;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Common.Progress;
using MediaBrowser.Controller.Channels;
using MediaBrowser.Controller.Configuration;
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.Globalization;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.LiveTv;
using MediaBrowser.Model.Querying;
using MediaBrowser.Model.Tasks;
using Microsoft.Extensions.Logging;
namespace Emby.Server.Implementations.LiveTv
{
    /// 
    /// Class LiveTvManager.
    /// 
    public class LiveTvManager : ILiveTvManager
    {
        private const int MaxGuideDays = 14;
        private const string ExternalServiceTag = "ExternalServiceId";
        private const string EtagKey = "ProgramEtag";
        private readonly IServerConfigurationManager _config;
        private readonly ILogger _logger;
        private readonly IItemRepository _itemRepo;
        private readonly IUserManager _userManager;
        private readonly IDtoService _dtoService;
        private readonly IUserDataManager _userDataManager;
        private readonly ILibraryManager _libraryManager;
        private readonly ITaskManager _taskManager;
        private readonly ILocalizationManager _localization;
        private readonly IFileSystem _fileSystem;
        private readonly IChannelManager _channelManager;
        private readonly LiveTvDtoService _tvDtoService;
        private ILiveTvService[] _services = Array.Empty();
        private ITunerHost[] _tunerHosts = Array.Empty();
        private IListingsProvider[] _listingProviders = Array.Empty();
        public LiveTvManager(
            IServerConfigurationManager config,
            ILogger logger,
            IItemRepository itemRepo,
            IUserDataManager userDataManager,
            IDtoService dtoService,
            IUserManager userManager,
            ILibraryManager libraryManager,
            ITaskManager taskManager,
            ILocalizationManager localization,
            IFileSystem fileSystem,
            IChannelManager channelManager,
            LiveTvDtoService liveTvDtoService)
        {
            _config = config;
            _logger = logger;
            _itemRepo = itemRepo;
            _userManager = userManager;
            _libraryManager = libraryManager;
            _taskManager = taskManager;
            _localization = localization;
            _fileSystem = fileSystem;
            _dtoService = dtoService;
            _userDataManager = userDataManager;
            _channelManager = channelManager;
            _tvDtoService = liveTvDtoService;
        }
        public event EventHandler> SeriesTimerCancelled;
        public event EventHandler> TimerCancelled;
        public event EventHandler> TimerCreated;
        public event EventHandler> SeriesTimerCreated;
        /// 
        /// Gets the services.
        /// 
        /// The services.
        public IReadOnlyList Services => _services;
        public ITunerHost[] TunerHosts => _tunerHosts;
        public IListingsProvider[] ListingProviders => _listingProviders;
        private LiveTvOptions GetConfiguration()
        {
            return _config.GetConfiguration("livetv");
        }
        public string GetEmbyTvActiveRecordingPath(string id)
        {
            return EmbyTV.EmbyTV.Current.GetActiveRecordingPath(id);
        }
        /// 
        /// Adds the parts.
        /// 
        /// The services.
        /// The tuner hosts.
        /// The listing providers.
        public void AddParts(IEnumerable services, IEnumerable tunerHosts, IEnumerable listingProviders)
        {
            _services = services.ToArray();
            _tunerHosts = tunerHosts.Where(i => i.IsSupported).ToArray();
            _listingProviders = listingProviders.ToArray();
            foreach (var service in _services)
            {
                if (service is EmbyTV.EmbyTV embyTv)
                {
                    embyTv.TimerCreated += OnEmbyTvTimerCreated;
                    embyTv.TimerCancelled += OnEmbyTvTimerCancelled;
                }
            }
        }
        private void OnEmbyTvTimerCancelled(object sender, GenericEventArgs e)
        {
            var timerId = e.Argument;
            TimerCancelled?.Invoke(this, new GenericEventArgs(new TimerEventInfo(timerId)));
        }
        private void OnEmbyTvTimerCreated(object sender, GenericEventArgs e)
        {
            var timer = e.Argument;
            TimerCreated?.Invoke(this, new GenericEventArgs(
                new TimerEventInfo(timer.Id)
                {
                    ProgramId = _tvDtoService.GetInternalProgramId(timer.ProgramId)
                }));
        }
        public List GetTunerHostTypes()
        {
            return _tunerHosts.OrderBy(i => i.Name).Select(i => new NameIdPair
            {
                Name = i.Name,
                Id = i.Type
            }).ToList();
        }
        public Task> DiscoverTuners(bool newDevicesOnly, CancellationToken cancellationToken)
        {
            return EmbyTV.EmbyTV.Current.DiscoverTuners(newDevicesOnly, cancellationToken);
        }
        public QueryResult GetInternalChannels(LiveTvChannelQuery query, DtoOptions dtoOptions, CancellationToken cancellationToken)
        {
            var user = query.UserId.Equals(default)
                ? null
                : _userManager.GetUserById(query.UserId);
            var topFolder = GetInternalLiveTvFolder(cancellationToken);
            var internalQuery = new InternalItemsQuery(user)
            {
                IsMovie = query.IsMovie,
                IsNews = query.IsNews,
                IsKids = query.IsKids,
                IsSports = query.IsSports,
                IsSeries = query.IsSeries,
                IncludeItemTypes = new[] { BaseItemKind.LiveTvChannel },
                TopParentIds = new[] { topFolder.Id },
                IsFavorite = query.IsFavorite,
                IsLiked = query.IsLiked,
                StartIndex = query.StartIndex,
                Limit = query.Limit,
                DtoOptions = dtoOptions
            };
            var orderBy = internalQuery.OrderBy.ToList();
            orderBy.AddRange(query.SortBy.Select(i => (i, query.SortOrder ?? SortOrder.Ascending)));
            if (query.EnableFavoriteSorting)
            {
                orderBy.Insert(0, (ItemSortBy.IsFavoriteOrLiked, SortOrder.Descending));
            }
            if (!internalQuery.OrderBy.Any(i => string.Equals(i.OrderBy, ItemSortBy.SortName, StringComparison.OrdinalIgnoreCase)))
            {
                orderBy.Add((ItemSortBy.SortName, SortOrder.Ascending));
            }
            internalQuery.OrderBy = orderBy.ToArray();
            return _libraryManager.GetItemsResult(internalQuery);
        }
        public async Task> GetChannelStream(string id, string mediaSourceId, List currentLiveStreams, CancellationToken cancellationToken)
        {
            if (string.Equals(id, mediaSourceId, StringComparison.OrdinalIgnoreCase))
            {
                mediaSourceId = null;
            }
            var channel = (LiveTvChannel)_libraryManager.GetItemById(id);
            bool isVideo = channel.ChannelType == ChannelType.TV;
            var service = GetService(channel);
            _logger.LogInformation("Opening channel stream from {0}, external channel Id: {1}", service.Name, channel.ExternalId);
            MediaSourceInfo info;
            ILiveStream liveStream;
            if (service is ISupportsDirectStreamProvider supportsManagedStream)
            {
                liveStream = await supportsManagedStream.GetChannelStreamWithDirectStreamProvider(channel.ExternalId, mediaSourceId, currentLiveStreams, cancellationToken).ConfigureAwait(false);
                info = liveStream.MediaSource;
            }
            else
            {
                info = await service.GetChannelStream(channel.ExternalId, mediaSourceId, cancellationToken).ConfigureAwait(false);
                var openedId = info.Id;
                Func closeFn = () => service.CloseLiveStream(openedId, CancellationToken.None);
                liveStream = new ExclusiveLiveStream(info, closeFn);
                var startTime = DateTime.UtcNow;
                await liveStream.Open(cancellationToken).ConfigureAwait(false);
                var endTime = DateTime.UtcNow;
                _logger.LogInformation("Live stream opened after {0}ms", (endTime - startTime).TotalMilliseconds);
            }
            info.RequiresClosing = true;
            var idPrefix = service.GetType().FullName.GetMD5().ToString("N", CultureInfo.InvariantCulture) + "_";
            info.LiveStreamId = idPrefix + info.Id;
            Normalize(info, service, isVideo);
            return new Tuple(info, liveStream);
        }
        public async Task> GetChannelMediaSources(BaseItem item, CancellationToken cancellationToken)
        {
            var baseItem = (LiveTvChannel)item;
            var service = GetService(baseItem);
            var sources = await service.GetChannelStreamMediaSources(baseItem.ExternalId, cancellationToken).ConfigureAwait(false);
            if (sources.Count == 0)
            {
                throw new NotImplementedException();
            }
            foreach (var source in sources)
            {
                Normalize(source, service, baseItem.ChannelType == ChannelType.TV);
            }
            return sources;
        }
        private ILiveTvService GetService(LiveTvChannel item)
        {
            var name = item.ServiceName;
            return GetService(name);
        }
        private ILiveTvService GetService(LiveTvProgram item)
        {
            var channel = _libraryManager.GetItemById(item.ChannelId) as LiveTvChannel;
            return GetService(channel);
        }
        private ILiveTvService GetService(string name)
            => Array.Find(_services, x => string.Equals(x.Name, name, StringComparison.OrdinalIgnoreCase))
                ?? throw new KeyNotFoundException(
                    string.Format(
                        CultureInfo.InvariantCulture,
                        "No service with the name '{0}' can be found.",
                        name));
        private static void Normalize(MediaSourceInfo mediaSource, ILiveTvService service, bool isVideo)
        {
            // Not all of the plugins are setting this
            mediaSource.IsInfiniteStream = true;
            if (mediaSource.MediaStreams.Count == 0)
            {
                if (isVideo)
                {
                    mediaSource.MediaStreams = new 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 = new 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 not 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 GetChannelAsync(ChannelInfo channelInfo, string serviceName, BaseItem parentFolder, CancellationToken cancellationToken)
        {
            var parentFolderId = parentFolder.Id;
            var isNew = false;
            var forceUpdate = false;
            var id = _tvDtoService.GetInternalChannelId(serviceName, channelInfo.Id);
            var item = _libraryManager.GetItemById(id) as LiveTvChannel;
            if (item is null)
            {
                item = new LiveTvChannel
                {
                    Name = channelInfo.Name,
                    Id = id,
                    DateCreated = DateTime.UtcNow
                };
                isNew = true;
            }
            if (channelInfo.Tags is not null)
            {
                if (!channelInfo.Tags.SequenceEqual(item.Tags, StringComparer.OrdinalIgnoreCase))
                {
                    isNew = true;
                }
                item.Tags = channelInfo.Tags;
            }
            if (!item.ParentId.Equals(parentFolderId))
            {
                isNew = true;
            }
            item.ParentId = parentFolderId;
            item.ChannelType = channelInfo.ChannelType;
            item.ServiceName = serviceName;
            if (!string.Equals(item.GetProviderId(ExternalServiceTag), serviceName, StringComparison.OrdinalIgnoreCase))
            {
                forceUpdate = true;
            }
            item.SetProviderId(ExternalServiceTag, serviceName);
            if (!string.Equals(channelInfo.Id, item.ExternalId, StringComparison.Ordinal))
            {
                forceUpdate = true;
            }
            item.ExternalId = channelInfo.Id;
            if (!string.Equals(channelInfo.Number, item.Number, StringComparison.Ordinal))
            {
                forceUpdate = true;
            }
            item.Number = channelInfo.Number;
            if (!string.Equals(channelInfo.Name, item.Name, StringComparison.Ordinal))
            {
                forceUpdate = true;
            }
            item.Name = channelInfo.Name;
            if (!item.HasImage(ImageType.Primary))
            {
                if (!string.IsNullOrWhiteSpace(channelInfo.ImagePath))
                {
                    item.SetImagePath(ImageType.Primary, channelInfo.ImagePath);
                    forceUpdate = true;
                }
                else if (!string.IsNullOrWhiteSpace(channelInfo.ImageUrl))
                {
                    item.SetImagePath(ImageType.Primary, channelInfo.ImageUrl);
                    forceUpdate = true;
                }
            }
            if (isNew)
            {
                _libraryManager.CreateItem(item, parentFolder);
            }
            else if (forceUpdate)
            {
                await _libraryManager.UpdateItemAsync(item, parentFolder, ItemUpdateType.MetadataImport, cancellationToken).ConfigureAwait(false);
            }
            return item;
        }
        private (LiveTvProgram Item, bool IsNew, bool IsUpdated) GetProgram(ProgramInfo info, Dictionary allExistingPrograms, LiveTvChannel channel)
        {
            var id = _tvDtoService.GetInternalProgramId(info.Id);
            var isNew = false;
            var forceUpdate = false;
            if (!allExistingPrograms.TryGetValue(id, out LiveTvProgram item))
            {
                isNew = true;
                item = new LiveTvProgram
                {
                    Name = info.Name,
                    Id = id,
                    DateCreated = DateTime.UtcNow,
                    DateModified = DateTime.UtcNow
                };
                if (!string.IsNullOrEmpty(info.Etag))
                {
                    item.SetProviderId(EtagKey, info.Etag);
                }
            }
            if (!string.Equals(info.ShowId, item.ShowId, StringComparison.OrdinalIgnoreCase))
            {
                item.ShowId = info.ShowId;
                forceUpdate = true;
            }
            var seriesId = info.SeriesId;
            if (!item.ParentId.Equals(channel.Id))
            {
                forceUpdate = true;
            }
            item.ParentId = channel.Id;
            item.Audio = info.Audio;
            item.ChannelId = channel.Id;
            item.CommunityRating ??= info.CommunityRating;
            if ((item.CommunityRating ?? 0).Equals(0))
            {
                item.CommunityRating = null;
            }
            item.EpisodeTitle = info.EpisodeTitle;
            item.ExternalId = info.Id;
            if (!string.IsNullOrWhiteSpace(seriesId) && !string.Equals(item.ExternalSeriesId, seriesId, StringComparison.Ordinal))
            {
                forceUpdate = true;
            }
            item.ExternalSeriesId = seriesId;
            var isSeries = info.IsSeries || !string.IsNullOrEmpty(info.EpisodeTitle);
            if (isSeries || !string.IsNullOrEmpty(info.EpisodeTitle))
            {
                item.SeriesName = info.Name;
            }
            var tags = new List();
            if (info.IsLive)
            {
                tags.Add("Live");
            }
            if (info.IsPremiere)
            {
                tags.Add("Premiere");
            }
            if (info.IsNews)
            {
                tags.Add("News");
            }
            if (info.IsSports)
            {
                tags.Add("Sports");
            }
            if (info.IsKids)
            {
                tags.Add("Kids");
            }
            if (info.IsRepeat)
            {
                tags.Add("Repeat");
            }
            if (info.IsMovie)
            {
                tags.Add("Movie");
            }
            if (isSeries)
            {
                tags.Add("Series");
            }
            item.Tags = tags.ToArray();
            item.Genres = info.Genres.ToArray();
            if (info.IsHD ?? false)
            {
                item.Width = 1280;
                item.Height = 720;
            }
            item.IsMovie = info.IsMovie;
            item.IsRepeat = info.IsRepeat;
            if (item.IsSeries != isSeries)
            {
                forceUpdate = true;
            }
            item.IsSeries = isSeries;
            item.Name = info.Name;
            item.OfficialRating ??= info.OfficialRating;
            item.Overview ??= info.Overview;
            item.RunTimeTicks = (info.EndDate - info.StartDate).Ticks;
            item.ProviderIds = info.ProviderIds;
            foreach (var providerId in info.SeriesProviderIds)
            {
                info.ProviderIds["Series" + providerId.Key] = providerId.Value;
            }
            if (item.StartDate != info.StartDate)
            {
                forceUpdate = true;
            }
            item.StartDate = info.StartDate;
            if (item.EndDate != info.EndDate)
            {
                forceUpdate = true;
            }
            item.EndDate = info.EndDate;
            item.ProductionYear = info.ProductionYear;
            if (!isSeries || info.IsRepeat)
            {
                item.PremiereDate = info.OriginalAirDate;
            }
            item.IndexNumber = info.EpisodeNumber;
            item.ParentIndexNumber = info.SeasonNumber;
            if (!item.HasImage(ImageType.Primary))
            {
                if (!string.IsNullOrWhiteSpace(info.ImagePath))
                {
                    item.SetImage(
                        new ItemImageInfo
                        {
                            Path = info.ImagePath,
                            Type = ImageType.Primary
                        },
                        0);
                }
                else if (!string.IsNullOrWhiteSpace(info.ImageUrl))
                {
                    item.SetImage(
                        new ItemImageInfo
                        {
                            Path = info.ImageUrl,
                            Type = ImageType.Primary
                        },
                        0);
                }
            }
            if (!item.HasImage(ImageType.Thumb))
            {
                if (!string.IsNullOrWhiteSpace(info.ThumbImageUrl))
                {
                    item.SetImage(
                        new ItemImageInfo
                        {
                            Path = info.ThumbImageUrl,
                            Type = ImageType.Thumb
                        },
                        0);
                }
            }
            if (!item.HasImage(ImageType.Logo))
            {
                if (!string.IsNullOrWhiteSpace(info.LogoImageUrl))
                {
                    item.SetImage(
                        new ItemImageInfo
                        {
                            Path = info.LogoImageUrl,
                            Type = ImageType.Logo
                        },
                        0);
                }
            }
            if (!item.HasImage(ImageType.Backdrop))
            {
                if (!string.IsNullOrWhiteSpace(info.BackdropImageUrl))
                {
                    item.SetImage(
                        new ItemImageInfo
                        {
                            Path = info.BackdropImageUrl,
                            Type = ImageType.Backdrop
                        },
                        0);
                }
            }
            var isUpdated = false;
            if (isNew)
            {
            }
            else if (forceUpdate || string.IsNullOrWhiteSpace(info.Etag))
            {
                isUpdated = true;
            }
            else
            {
                var etag = info.Etag;
                if (!string.Equals(etag, item.GetProviderId(EtagKey), StringComparison.OrdinalIgnoreCase))
                {
                    item.SetProviderId(EtagKey, etag);
                    isUpdated = true;
                }
            }
            if (isNew || isUpdated)
            {
                item.OnMetadataChanged();
            }
            return (item, isNew, isUpdated);
        }
        public async Task GetProgram(string id, CancellationToken cancellationToken, User user = null)
        {
            var program = _libraryManager.GetItemById(id);
            var dto = _dtoService.GetBaseItemDto(program, new DtoOptions(), user);
            var list = new List<(BaseItemDto ItemDto, string ExternalId, string ExternalSeriesId)>
            {
                (dto, program.ExternalId, program.ExternalSeriesId)
            };
            await AddRecordingInfo(list, cancellationToken).ConfigureAwait(false);
            return dto;
        }
        public async Task> GetPrograms(InternalItemsQuery query, DtoOptions options, CancellationToken cancellationToken)
        {
            var user = query.User;
            var topFolder = GetInternalLiveTvFolder(cancellationToken);
            if (query.OrderBy.Count == 0)
            {
                // Unless something else was specified, order by start date to take advantage of a specialized index
                query.OrderBy = new[]
                {
                    (ItemSortBy.StartDate, SortOrder.Ascending)
                };
            }
            RemoveFields(options);
            var internalQuery = new InternalItemsQuery(user)
            {
                IncludeItemTypes = new[] { BaseItemKind.LiveTvProgram },
                MinEndDate = query.MinEndDate,
                MinStartDate = query.MinStartDate,
                MaxEndDate = query.MaxEndDate,
                MaxStartDate = query.MaxStartDate,
                ChannelIds = query.ChannelIds,
                IsMovie = query.IsMovie,
                IsSeries = query.IsSeries,
                IsSports = query.IsSports,
                IsKids = query.IsKids,
                IsNews = query.IsNews,
                Genres = query.Genres,
                GenreIds = query.GenreIds,
                StartIndex = query.StartIndex,
                Limit = query.Limit,
                OrderBy = query.OrderBy,
                EnableTotalRecordCount = query.EnableTotalRecordCount,
                TopParentIds = new[] { topFolder.Id },
                Name = query.Name,
                DtoOptions = options,
                HasAired = query.HasAired,
                IsAiring = query.IsAiring
            };
            if (!string.IsNullOrWhiteSpace(query.SeriesTimerId))
            {
                var seriesTimers = await GetSeriesTimersInternal(new SeriesTimerQuery(), cancellationToken).ConfigureAwait(false);
                var seriesTimer = seriesTimers.Items.FirstOrDefault(i => string.Equals(_tvDtoService.GetInternalSeriesTimerId(i.Id).ToString("N", CultureInfo.InvariantCulture), query.SeriesTimerId, StringComparison.OrdinalIgnoreCase));
                if (seriesTimer is not null)
                {
                    internalQuery.ExternalSeriesId = seriesTimer.SeriesId;
                    if (string.IsNullOrWhiteSpace(seriesTimer.SeriesId))
                    {
                        // Better to return nothing than every program in the database
                        return new QueryResult();
                    }
                }
                else
                {
                    // Better to return nothing than every program in the database
                    return new QueryResult();
                }
            }
            var queryResult = _libraryManager.QueryItems(internalQuery);
            var returnArray = _dtoService.GetBaseItemDtos(queryResult.Items, options, user);
            return new QueryResult(
                query.StartIndex,
                queryResult.TotalRecordCount,
                returnArray);
        }
        public QueryResult GetRecommendedProgramsInternal(InternalItemsQuery query, DtoOptions options, CancellationToken cancellationToken)
        {
            var user = query.User;
            var topFolder = GetInternalLiveTvFolder(cancellationToken);
            var internalQuery = new InternalItemsQuery(user)
            {
                IncludeItemTypes = new[] { BaseItemKind.LiveTvProgram },
                IsAiring = query.IsAiring,
                HasAired = query.HasAired,
                IsNews = query.IsNews,
                IsMovie = query.IsMovie,
                IsSeries = query.IsSeries,
                IsSports = query.IsSports,
                IsKids = query.IsKids,
                EnableTotalRecordCount = query.EnableTotalRecordCount,
                OrderBy = new[] { (ItemSortBy.StartDate, SortOrder.Ascending) },
                TopParentIds = new[] { topFolder.Id },
                DtoOptions = options,
                GenreIds = query.GenreIds
            };
            if (query.Limit.HasValue)
            {
                internalQuery.Limit = Math.Max(query.Limit.Value * 4, 200);
            }
            var programList = _libraryManager.QueryItems(internalQuery).Items;
            var totalCount = programList.Count;
            var orderedPrograms = programList.Cast().OrderBy(i => i.StartDate.Date);
            if (query.IsAiring ?? false)
            {
                orderedPrograms = orderedPrograms
                    .ThenByDescending(i => GetRecommendationScore(i, user, true));
            }
            IEnumerable programs = orderedPrograms;
            if (query.Limit.HasValue)
            {
                programs = programs.Take(query.Limit.Value);
            }
            return new QueryResult(
                query.StartIndex,
                totalCount,
                programs.ToArray());
        }
        public Task> GetRecommendedProgramsAsync(InternalItemsQuery query, DtoOptions options, CancellationToken cancellationToken)
        {
            if (!(query.IsAiring ?? false))
            {
                return GetPrograms(query, options, cancellationToken);
            }
            RemoveFields(options);
            var internalResult = GetRecommendedProgramsInternal(query, options, cancellationToken);
            return Task.FromResult(new QueryResult(
                query.StartIndex,
                internalResult.TotalRecordCount,
                _dtoService.GetBaseItemDtos(internalResult.Items, options, query.User)));
        }
        private int GetRecommendationScore(LiveTvProgram program, User user, bool factorChannelWatchCount)
        {
            var score = 0;
            if (program.IsLive)
            {
                score++;
            }
            if (program.IsSeries && !program.IsRepeat)
            {
                score++;
            }
            var channel = _libraryManager.GetItemById(program.ChannelId);
            if (channel is null)
            {
                return score;
            }
            var channelUserdata = _userDataManager.GetUserData(user, channel);
            if (channelUserdata.Likes.HasValue)
            {
                score += channelUserdata.Likes.Value ? 2 : -2;
            }
            if (channelUserdata.IsFavorite)
            {
                score += 3;
            }
            if (factorChannelWatchCount)
            {
                score += channelUserdata.PlayCount;
            }
            return score;
        }
        private async Task AddRecordingInfo(IEnumerable<(BaseItemDto ItemDto, string ExternalId, string ExternalSeriesId)> programs, CancellationToken cancellationToken)
        {
            IReadOnlyList timerList = null;
            IReadOnlyList seriesTimerList = null;
            foreach (var programTuple in programs)
            {
                var program = programTuple.ItemDto;
                var externalProgramId = programTuple.ExternalId;
                string externalSeriesId = programTuple.ExternalSeriesId;
                timerList ??= (await GetTimersInternal(new TimerQuery(), cancellationToken).ConfigureAwait(false)).Items;
                var timer = timerList.FirstOrDefault(i => string.Equals(i.ProgramId, externalProgramId, StringComparison.OrdinalIgnoreCase));
                var foundSeriesTimer = false;
                if (timer is not null)
                {
                    if (timer.Status != RecordingStatus.Cancelled && timer.Status != RecordingStatus.Error)
                    {
                        program.TimerId = _tvDtoService.GetInternalTimerId(timer.Id);
                        program.Status = timer.Status.ToString();
                    }
                    if (!string.IsNullOrEmpty(timer.SeriesTimerId))
                    {
                        program.SeriesTimerId = _tvDtoService.GetInternalSeriesTimerId(timer.SeriesTimerId)
                            .ToString("N", CultureInfo.InvariantCulture);
                        foundSeriesTimer = true;
                    }
                }
                if (foundSeriesTimer || string.IsNullOrWhiteSpace(externalSeriesId))
                {
                    continue;
                }
                seriesTimerList ??= (await GetSeriesTimersInternal(new SeriesTimerQuery(), cancellationToken).ConfigureAwait(false)).Items;
                var seriesTimer = seriesTimerList.FirstOrDefault(i => string.Equals(i.SeriesId, externalSeriesId, StringComparison.OrdinalIgnoreCase));
                if (seriesTimer is not null)
                {
                    program.SeriesTimerId = _tvDtoService.GetInternalSeriesTimerId(seriesTimer.Id)
                        .ToString("N", CultureInfo.InvariantCulture);
                }
            }
        }
        internal Task RefreshChannels(IProgress progress, CancellationToken cancellationToken)
        {
            return RefreshChannelsInternal(progress, cancellationToken);
        }
        private async Task RefreshChannelsInternal(IProgress progress, CancellationToken cancellationToken)
        {
            await EmbyTV.EmbyTV.Current.CreateRecordingFolders().ConfigureAwait(false);
            await EmbyTV.EmbyTV.Current.ScanForTunerDeviceChanges(cancellationToken).ConfigureAwait(false);
            var numComplete = 0;
            double progressPerService = _services.Length == 0
                ? 0
                : 1.0 / _services.Length;
            var newChannelIdList = new List();
            var newProgramIdList = new List();
            var cleanDatabase = true;
            foreach (var service in _services)
            {
                cancellationToken.ThrowIfCancellationRequested();
                _logger.LogDebug("Refreshing guide from {Name}", service.Name);
                try
                {
                    var innerProgress = new ActionableProgress();
                    innerProgress.RegisterAction(p => progress.Report(p * progressPerService));
                    var idList = await RefreshChannelsInternal(service, innerProgress, cancellationToken).ConfigureAwait(false);
                    newChannelIdList.AddRange(idList.Item1);
                    newProgramIdList.AddRange(idList.Item2);
                }
                catch (OperationCanceledException)
                {
                    throw;
                }
                catch (Exception ex)
                {
                    cleanDatabase = false;
                    _logger.LogError(ex, "Error refreshing channels for service");
                }
                numComplete++;
                double percent = numComplete;
                percent /= _services.Length;
                progress.Report(100 * percent);
            }
            if (cleanDatabase)
            {
                CleanDatabaseInternal(newChannelIdList.ToArray(), new[] { BaseItemKind.LiveTvChannel }, progress, cancellationToken);
                CleanDatabaseInternal(newProgramIdList.ToArray(), new[] { BaseItemKind.LiveTvProgram }, progress, cancellationToken);
            }
            var coreService = _services.OfType().FirstOrDefault();
            if (coreService is not null)
            {
                await coreService.RefreshSeriesTimers(cancellationToken).ConfigureAwait(false);
                await coreService.RefreshTimers(cancellationToken).ConfigureAwait(false);
            }
            // Load these now which will prefetch metadata
            var dtoOptions = new DtoOptions();
            var fields = dtoOptions.Fields.ToList();
            fields.Remove(ItemFields.BasicSyncInfo);
            dtoOptions.Fields = fields.ToArray();
            progress.Report(100);
        }
        private async Task, List>> RefreshChannelsInternal(ILiveTvService service, IProgress progress, CancellationToken cancellationToken)
        {
            progress.Report(10);
            var allChannelsList = (await service.GetChannelsAsync(cancellationToken).ConfigureAwait(false))
                .Select(i => new Tuple(service.Name, i))
                .ToList();
            var list = new List();
            var numComplete = 0;
            var parentFolder = GetInternalLiveTvFolder(cancellationToken);
            foreach (var channelInfo in allChannelsList)
            {
                cancellationToken.ThrowIfCancellationRequested();
                try
                {
                    var item = await GetChannelAsync(channelInfo.Item2, channelInfo.Item1, parentFolder, cancellationToken).ConfigureAwait(false);
                    list.Add(item);
                }
                catch (OperationCanceledException)
                {
                    throw;
                }
                catch (Exception ex)
                {
                    _logger.LogError(ex, "Error getting channel information for {Name}", channelInfo.Item2.Name);
                }
                numComplete++;
                double percent = numComplete;
                percent /= allChannelsList.Count;
                progress.Report((5 * percent) + 10);
            }
            progress.Report(15);
            numComplete = 0;
            var programs = new List();
            var channels = new List();
            var guideDays = GetGuideDays();
            _logger.LogInformation("Refreshing guide with {0} days of guide data", guideDays);
            cancellationToken.ThrowIfCancellationRequested();
            foreach (var currentChannel in list)
            {
                channels.Add(currentChannel.Id);
                cancellationToken.ThrowIfCancellationRequested();
                try
                {
                    var start = DateTime.UtcNow.AddHours(-1);
                    var end = start.AddDays(guideDays);
                    var isMovie = false;
                    var isSports = false;
                    var isNews = false;
                    var isKids = false;
                    var iSSeries = false;
                    var channelPrograms = (await service.GetProgramsAsync(currentChannel.ExternalId, start, end, cancellationToken).ConfigureAwait(false)).ToList();
                    var existingPrograms = _libraryManager.GetItemList(new InternalItemsQuery
                    {
                        IncludeItemTypes = new[] { BaseItemKind.LiveTvProgram },
                        ChannelIds = new Guid[] { currentChannel.Id },
                        DtoOptions = new DtoOptions(true)
                    }).Cast().ToDictionary(i => i.Id);
                    var newPrograms = new List();
                    var updatedPrograms = new List();
                    foreach (var program in channelPrograms)
                    {
                        var programTuple = GetProgram(program, existingPrograms, currentChannel);
                        var programItem = programTuple.Item;
                        if (programTuple.IsNew)
                        {
                            newPrograms.Add(programItem);
                        }
                        else if (programTuple.IsUpdated)
                        {
                            updatedPrograms.Add(programItem);
                        }
                        programs.Add(programItem.Id);
                        isMovie |= program.IsMovie;
                        iSSeries |= program.IsSeries;
                        isSports |= program.IsSports;
                        isNews |= program.IsNews;
                        isKids |= program.IsKids;
                    }
                    _logger.LogDebug("Channel {0} has {1} new programs and {2} updated programs", currentChannel.Name, newPrograms.Count, updatedPrograms.Count);
                    if (newPrograms.Count > 0)
                    {
                        _libraryManager.CreateItems(newPrograms, null, cancellationToken);
                    }
                    if (updatedPrograms.Count > 0)
                    {
                        await _libraryManager.UpdateItemsAsync(
                            updatedPrograms,
                            currentChannel,
                            ItemUpdateType.MetadataImport,
                            cancellationToken).ConfigureAwait(false);
                    }
                    currentChannel.IsMovie = isMovie;
                    currentChannel.IsNews = isNews;
                    currentChannel.IsSports = isSports;
                    currentChannel.IsSeries = iSSeries;
                    if (isKids)
                    {
                        currentChannel.AddTag("Kids");
                    }
                    await currentChannel.UpdateToRepositoryAsync(ItemUpdateType.MetadataImport, cancellationToken).ConfigureAwait(false);
                    await currentChannel.RefreshMetadata(
                        new MetadataRefreshOptions(new DirectoryService(_fileSystem))
                        {
                            ForceSave = true
                        },
                        cancellationToken).ConfigureAwait(false);
                }
                catch (OperationCanceledException)
                {
                    throw;
                }
                catch (Exception ex)
                {
                    _logger.LogError(ex, "Error getting programs for channel {Name}", currentChannel.Name);
                }
                numComplete++;
                double percent = numComplete / (double)allChannelsList.Count;
                progress.Report((85 * percent) + 15);
            }
            progress.Report(100);
            return new Tuple, List>(channels, programs);
        }
        private void CleanDatabaseInternal(Guid[] currentIdList, BaseItemKind[] validTypes, IProgress progress, CancellationToken cancellationToken)
        {
            var list = _itemRepo.GetItemIdsList(new InternalItemsQuery
            {
                IncludeItemTypes = validTypes,
                DtoOptions = new DtoOptions(false)
            });
            var numComplete = 0;
            foreach (var itemId in list)
            {
                cancellationToken.ThrowIfCancellationRequested();
                if (itemId.Equals(default))
                {
                    // 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 is not null)
                    {
                        _libraryManager.DeleteItem(
                            item,
                            new DeleteOptions
                            {
                                DeleteFileLocation = false,
                                DeleteFromExternalProvider = false
                            },
                            false);
                    }
                }
                numComplete++;
                double percent = numComplete / (double)list.Count;
                progress.Report(100 * percent);
            }
        }
        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> GetEmbyRecordingsAsync(RecordingQuery query, DtoOptions dtoOptions, User user)
        {
            if (user is null)
            {
                return new QueryResult();
            }
            var folders = await GetRecordingFoldersAsync(user, true).ConfigureAwait(false);
            var folderIds = Array.ConvertAll(folders, x => x.Id);
            var excludeItemTypes = new List();
            if (folderIds.Length == 0)
            {
                return new QueryResult();
            }
            var includeItemTypes = new List();
            var genres = new List();
            if (query.IsMovie.HasValue)
            {
                if (query.IsMovie.Value)
                {
                    includeItemTypes.Add(BaseItemKind.Movie);
                }
                else
                {
                    excludeItemTypes.Add(BaseItemKind.Movie);
                }
            }
            if (query.IsSeries.HasValue)
            {
                if (query.IsSeries.Value)
                {
                    includeItemTypes.Add(BaseItemKind.Episode);
                }
                else
                {
                    excludeItemTypes.Add(BaseItemKind.Episode);
                }
            }
            if (query.IsSports ?? false)
            {
                genres.Add("Sports");
            }
            if (query.IsKids ?? false)
            {
                genres.Add("Kids");
                genres.Add("Children");
                genres.Add("Family");
            }
            var limit = query.Limit;
            if (query.IsInProgress ?? false)
            {
                // limit = (query.Limit ?? 10) * 2;
                limit = null;
                // var allActivePaths = EmbyTV.EmbyTV.Current.GetAllActiveRecordings().Select(i => i.Path).ToArray();
                // var items = allActivePaths.Select(i => _libraryManager.FindByPath(i, false)).Where(i => i is not null).ToArray();
                // return new QueryResult
                // {
                //    Items = items,
                //    TotalRecordCount = items.Length
                // };
                dtoOptions.Fields = dtoOptions.Fields.Concat(new[] { ItemFields.Tags }).Distinct().ToArray();
            }
            var result = _libraryManager.GetItemsResult(new InternalItemsQuery(user)
            {
                MediaTypes = new[] { MediaType.Video },
                Recursive = true,
                AncestorIds = folderIds,
                IsFolder = false,
                IsVirtualItem = false,
                Limit = limit,
                StartIndex = query.StartIndex,
                OrderBy = new[] { (ItemSortBy.DateCreated, SortOrder.Descending) },
                EnableTotalRecordCount = query.EnableTotalRecordCount,
                IncludeItemTypes = includeItemTypes.ToArray(),
                ExcludeItemTypes = excludeItemTypes.ToArray(),
                Genres = genres.ToArray(),
                DtoOptions = dtoOptions
            });
            if (query.IsInProgress ?? false)
            {
                // TODO: Fix The co-variant conversion between Video[] and BaseItem[], this can generate runtime issues.
                result.Items = result
                    .Items
                    .OfType