using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Model.Querying;
using System.Collections.Generic;
using System.Threading.Tasks;
using System.Globalization;
using System.Linq;
using MediaBrowser.Model.Dto;
using MediaBrowser.Controller.Localization;
using MediaBrowser.Controller.Entities.Movies;
using MediaBrowser.Controller.Persistence;
using MediaBrowser.Api.UserLibrary;
using MediaBrowser.Controller.Collections;
using MediaBrowser.Controller.Entities.TV;
using System;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Model.Entities;
using MediaBrowser.Controller.Net;
using MediaBrowser.Model.Activity;
using MediaBrowser.Controller.Activity;
using System.IO;
using System.Text;

namespace MediaBrowser.Api.Reports
{
    /// <summary> The reports service. </summary>
    /// <seealso cref="T:MediaBrowser.Api.BaseApiService"/>
    public class ReportsService : BaseApiService
    {
        #region [Constructors]

        /// <summary>
        /// Initializes a new instance of the MediaBrowser.Api.Reports.ReportsService class. </summary>
        /// <param name="userManager"> Manager for user. </param>
        /// <param name="libraryManager"> Manager for library. </param>
        /// <param name="localization"> The localization. </param>
        /// <param name="activityManager"> Manager for activity. </param>
        public ReportsService(IUserManager userManager, ILibraryManager libraryManager, ILocalizationManager localization, IActivityManager activityManager, IActivityRepository repo)
        {
            _userManager = userManager;
            _libraryManager = libraryManager;
            _localization = localization;
            _activityManager = activityManager;
            _repo = repo;
        }

        #endregion

        #region [Private Fields]

        private readonly IActivityManager _activityManager; ///< Manager for activity

        /// <summary> Manager for library. </summary>
        private readonly ILibraryManager _libraryManager;   ///< Manager for library
        /// <summary> The localization. </summary>

        private readonly ILocalizationManager _localization;    ///< The localization

        private readonly IActivityRepository _repo;

        /// <summary> Manager for user. </summary>
        private readonly IUserManager _userManager; ///< Manager for user

        #endregion

        #region [Public Methods]

        /// <summary> Gets the given request. </summary>
        /// <param name="request"> The request. </param>
        /// <returns> A Task&lt;object&gt; </returns>
        public async Task<object> Get(GetActivityLogs request)
        {
            ReportResult result = await GetReportActivities(request).ConfigureAwait(false);
            return ToOptimizedResult(result);
        }

        /// <summary> Gets the given request. </summary>
        /// <param name="request"> The request. </param>
        /// <returns> A Task&lt;object&gt; </returns>
        public async Task<object> Get(GetReportHeaders request)
        {
            if (string.IsNullOrEmpty(request.IncludeItemTypes))
                return null;

            ReportViewType reportViewType = ReportHelper.GetReportViewType(request.ReportView);
            ReportIncludeItemTypes reportRowType = ReportHelper.GetRowType(request.IncludeItemTypes);

            List<ReportHeader> result = new List<ReportHeader>();
            switch (reportViewType)
            {
                case ReportViewType.ReportData:
                    ReportBuilder dataBuilder = new ReportBuilder(_libraryManager);
                    result = dataBuilder.GetHeaders(request);
                    break;
                case ReportViewType.ReportStatistics:
                    break;
                case ReportViewType.ReportActivities:
                    ReportActivitiesBuilder activityBuilder = new ReportActivitiesBuilder(_libraryManager, _userManager);
                    result = activityBuilder.GetHeaders(request);
                    break;
            }

            return ToOptimizedResult(result);

        }

        /// <summary> Gets the given request. </summary>
        /// <param name="request"> The request. </param>
        /// <returns> A Task&lt;object&gt; </returns>
        public async Task<object> Get(GetItemReport request)
        {
            if (string.IsNullOrEmpty(request.IncludeItemTypes))
                return null;

            var reportResult = await GetReportResult(request);

            return ToOptimizedResult(reportResult);
        }

        /// <summary> Gets the given request. </summary>
        /// <param name="request"> The request. </param>
        /// <returns> A Task&lt;object&gt; </returns>
        public async Task<object> Get(GetReportStatistics request)
        {
            if (string.IsNullOrEmpty(request.IncludeItemTypes))
                return null;
            var reportResult = await GetReportStatistic(request);

            return ToOptimizedResult(reportResult);
        }

        /// <summary> Gets the given request. </summary>
        /// <param name="request"> The request. </param>
        /// <returns> A Task&lt;object&gt; </returns>
        public async Task<object> Get(GetReportDownload request)
        {
            if (string.IsNullOrEmpty(request.IncludeItemTypes))
                return null;

            ReportViewType reportViewType = ReportHelper.GetReportViewType(request.ReportView);
            var headers = new Dictionary<string, string>();
            string fileExtension = "csv";
            string contentType = "text/plain;charset='utf-8'";

            switch (request.ExportType)
            {
                case ReportExportType.CSV:
                    break;
                case ReportExportType.Excel:
                    contentType = "application/vnd.ms-excel";
                    fileExtension = "xls";
                    break;
            }

            var filename = "ReportExport." + fileExtension;
            headers["Content-Disposition"] = string.Format("attachment; filename=\"{0}\"", filename);
            headers["Content-Encoding"] = "UTF-8";

            ReportResult result = null;
            switch (reportViewType)
            {
                case ReportViewType.ReportStatistics:
                case ReportViewType.ReportData:
                    ReportIncludeItemTypes reportRowType = ReportHelper.GetRowType(request.IncludeItemTypes);
                    ReportBuilder dataBuilder = new ReportBuilder(_libraryManager);
                    QueryResult<BaseItem> queryResult = await GetQueryResult(request).ConfigureAwait(false);
                    result = dataBuilder.GetResult(queryResult.Items, request);
                    result.TotalRecordCount = queryResult.TotalRecordCount;
                    break;
                case ReportViewType.ReportActivities:
                    result = await GetReportActivities(request).ConfigureAwait(false);
                    break;
            }

            string returnResult = string.Empty;
            switch (request.ExportType)
            {
                case ReportExportType.CSV:
                    returnResult = new ReportExport().ExportToCsv(result);
                    break;
                case ReportExportType.Excel:
                    returnResult = new ReportExport().ExportToExcel(result);
                    break;
            }

            object ro = ResultFactory.GetResult(returnResult, contentType, headers);
            return ro;
        }

        #endregion

        #region [Internal Methods]

        /// <summary> Applies filtering. </summary>
        /// <param name="items"> The items. </param>
        /// <param name="filter"> The filter. </param>
        /// <param name="user"> The user. </param>
        /// <param name="repository"> The repository. </param>
        /// <returns> IEnumerable{BaseItem}. </returns>
        internal static IEnumerable<BaseItem> ApplyFilter(IEnumerable<BaseItem> items, ItemFilter filter, User user, IUserDataManager repository)
        {
            // Avoid implicitly captured closure
            var currentUser = user;

            switch (filter)
            {
                case ItemFilter.IsFavoriteOrLikes:
                    return items.Where(item =>
                    {
                        var userdata = repository.GetUserData(user.Id, item.GetUserDataKey());

                        if (userdata == null)
                        {
                            return false;
                        }

                        var likes = userdata.Likes ?? false;
                        var favorite = userdata.IsFavorite;

                        return likes || favorite;
                    });

                case ItemFilter.Likes:
                    return items.Where(item =>
                    {
                        var userdata = repository.GetUserData(user.Id, item.GetUserDataKey());

                        return userdata != null && userdata.Likes.HasValue && userdata.Likes.Value;
                    });

                case ItemFilter.Dislikes:
                    return items.Where(item =>
                    {
                        var userdata = repository.GetUserData(user.Id, item.GetUserDataKey());

                        return userdata != null && userdata.Likes.HasValue && !userdata.Likes.Value;
                    });

                case ItemFilter.IsFavorite:
                    return items.Where(item =>
                    {
                        var userdata = repository.GetUserData(user.Id, item.GetUserDataKey());

                        return userdata != null && userdata.IsFavorite;
                    });

                case ItemFilter.IsResumable:
                    return items.Where(item =>
                    {
                        var userdata = repository.GetUserData(user.Id, item.GetUserDataKey());

                        return userdata != null && userdata.PlaybackPositionTicks > 0;
                    });

                case ItemFilter.IsPlayed:
                    return items.Where(item => item.IsPlayed(currentUser));

                case ItemFilter.IsUnplayed:
                    return items.Where(item => item.IsUnplayed(currentUser));

                case ItemFilter.IsFolder:
                    return items.Where(item => item.IsFolder);

                case ItemFilter.IsNotFolder:
                    return items.Where(item => !item.IsFolder);

                case ItemFilter.IsRecentlyAdded:
                    return items.Where(item => (DateTime.UtcNow - item.DateCreated).TotalDays <= 10);
            }

            return items;
        }

        #endregion

        #region [Private Methods]

        /// <summary> Applies the additional filters. </summary>
        /// <param name="request"> The request. </param>
        /// <param name="i"> Zero-based index of the. </param>
        /// <param name="user"> The user. </param>
        /// <param name="isPreFiltered"> true if this object is pre filtered. </param>
        /// <param name="libraryManager"> Manager for library. </param>
        /// <returns> true if it succeeds, false if it fails. </returns>
        private bool ApplyAdditionalFilters(BaseReportRequest request, BaseItem i, User user, bool isPreFiltered, ILibraryManager libraryManager)
        {
            var video = i as Video;

            if (!isPreFiltered)
            {
                var mediaTypes = request.GetMediaTypes();
                if (mediaTypes.Length > 0)
                {
                    if (!(!string.IsNullOrEmpty(i.MediaType) && mediaTypes.Contains(i.MediaType, StringComparer.OrdinalIgnoreCase)))
                    {
                        return false;
                    }
                }

                if (request.IsPlayed.HasValue)
                {
                    var val = request.IsPlayed.Value;
                    if (i.IsPlayed(user) != val)
                    {
                        return false;
                    }
                }

                // Exclude item types
                var excluteItemTypes = request.GetExcludeItemTypes();
                if (excluteItemTypes.Length > 0 && excluteItemTypes.Contains(i.GetType().Name, StringComparer.OrdinalIgnoreCase))
                {
                    return false;
                }

                // Include item types
                var includeItemTypes = request.GetIncludeItemTypes();
                if (includeItemTypes.Length > 0 && !includeItemTypes.Contains(i.GetType().Name, StringComparer.OrdinalIgnoreCase))
                {
                    return false;
                }

                if (request.IsInBoxSet.HasValue)
                {
                    var val = request.IsInBoxSet.Value;
                    if (i.Parents.OfType<BoxSet>().Any() != val)
                    {
                        return false;
                    }
                }

                // Filter by Video3DFormat
                if (request.Is3D.HasValue)
                {
                    var val = request.Is3D.Value;

                    if (video == null || val != video.Video3DFormat.HasValue)
                    {
                        return false;
                    }
                }

                if (request.IsHD.HasValue)
                {
                    var val = request.IsHD.Value;

                    if (video == null || val != video.IsHD)
                    {
                        return false;
                    }
                }

                if (request.IsUnidentified.HasValue)
                {
                    var val = request.IsUnidentified.Value;
                    if (i.IsUnidentified != val)
                    {
                        return false;
                    }
                }

                if (request.IsLocked.HasValue)
                {
                    var val = request.IsLocked.Value;
                    if (i.IsLocked != val)
                    {
                        return false;
                    }
                }

                if (request.HasOverview.HasValue)
                {
                    var filterValue = request.HasOverview.Value;

                    var hasValue = !string.IsNullOrEmpty(i.Overview);

                    if (hasValue != filterValue)
                    {
                        return false;
                    }
                }

                if (request.HasImdbId.HasValue)
                {
                    var filterValue = request.HasImdbId.Value;

                    var hasValue = !string.IsNullOrEmpty(i.GetProviderId(MetadataProviders.Imdb));

                    if (hasValue != filterValue)
                    {
                        return false;
                    }
                }

                if (request.HasTmdbId.HasValue)
                {
                    var filterValue = request.HasTmdbId.Value;

                    var hasValue = !string.IsNullOrEmpty(i.GetProviderId(MetadataProviders.Tmdb));

                    if (hasValue != filterValue)
                    {
                        return false;
                    }
                }

                if (request.HasTvdbId.HasValue)
                {
                    var filterValue = request.HasTvdbId.Value;

                    var hasValue = !string.IsNullOrEmpty(i.GetProviderId(MetadataProviders.Tvdb));

                    if (hasValue != filterValue)
                    {
                        return false;
                    }
                }

                if (request.IsYearMismatched.HasValue)
                {
                    var filterValue = request.IsYearMismatched.Value;

                    if (UserViewBuilder.IsYearMismatched(i, libraryManager) != filterValue)
                    {
                        return false;
                    }
                }

                if (request.HasOfficialRating.HasValue)
                {
                    var filterValue = request.HasOfficialRating.Value;

                    var hasValue = !string.IsNullOrEmpty(i.OfficialRating);

                    if (hasValue != filterValue)
                    {
                        return false;
                    }
                }

                if (request.IsPlaceHolder.HasValue)
                {
                    var filterValue = request.IsPlaceHolder.Value;

                    var isPlaceHolder = false;

                    var hasPlaceHolder = i as ISupportsPlaceHolders;

                    if (hasPlaceHolder != null)
                    {
                        isPlaceHolder = hasPlaceHolder.IsPlaceHolder;
                    }

                    if (isPlaceHolder != filterValue)
                    {
                        return false;
                    }
                }

                if (request.HasSpecialFeature.HasValue)
                {
                    var filterValue = request.HasSpecialFeature.Value;

                    var movie = i as IHasSpecialFeatures;

                    if (movie != null)
                    {
                        var ok = filterValue
                            ? movie.SpecialFeatureIds.Count > 0
                            : movie.SpecialFeatureIds.Count == 0;

                        if (!ok)
                        {
                            return false;
                        }
                    }
                    else
                    {
                        return false;
                    }
                }

                if (request.HasSubtitles.HasValue)
                {
                    var val = request.HasSubtitles.Value;

                    if (video == null || val != video.HasSubtitles)
                    {
                        return false;
                    }
                }

                if (request.HasParentalRating.HasValue)
                {
                    var val = request.HasParentalRating.Value;

                    var rating = i.CustomRating;

                    if (string.IsNullOrEmpty(rating))
                    {
                        rating = i.OfficialRating;
                    }

                    if (val)
                    {
                        if (string.IsNullOrEmpty(rating))
                        {
                            return false;
                        }
                    }
                    else
                    {
                        if (!string.IsNullOrEmpty(rating))
                        {
                            return false;
                        }
                    }
                }

                if (request.HasTrailer.HasValue)
                {
                    var val = request.HasTrailer.Value;
                    var trailerCount = 0;

                    var hasTrailers = i as IHasTrailers;
                    if (hasTrailers != null)
                    {
                        trailerCount = hasTrailers.GetTrailerIds().Count;
                    }

                    var ok = val ? trailerCount > 0 : trailerCount == 0;

                    if (!ok)
                    {
                        return false;
                    }
                }

                if (request.HasThemeSong.HasValue)
                {
                    var filterValue = request.HasThemeSong.Value;

                    var themeCount = 0;
                    var iHasThemeMedia = i as IHasThemeMedia;

                    if (iHasThemeMedia != null)
                    {
                        themeCount = iHasThemeMedia.ThemeSongIds.Count;
                    }
                    var ok = filterValue ? themeCount > 0 : themeCount == 0;

                    if (!ok)
                    {
                        return false;
                    }
                }

                if (request.HasThemeVideo.HasValue)
                {
                    var filterValue = request.HasThemeVideo.Value;

                    var themeCount = 0;
                    var iHasThemeMedia = i as IHasThemeMedia;

                    if (iHasThemeMedia != null)
                    {
                        themeCount = iHasThemeMedia.ThemeVideoIds.Count;
                    }
                    var ok = filterValue ? themeCount > 0 : themeCount == 0;

                    if (!ok)
                    {
                        return false;
                    }
                }

                // Apply tag filter
                var tags = request.GetTags();
                if (tags.Length > 0)
                {
                    var hasTags = i as IHasTags;
                    if (hasTags == null)
                    {
                        return false;
                    }
                    if (!(tags.Any(v => hasTags.Tags.Contains(v, StringComparer.OrdinalIgnoreCase))))
                    {
                        return false;
                    }
                }

                // Apply official rating filter
                var officialRatings = request.GetOfficialRatings();
                if (officialRatings.Length > 0 && !officialRatings.Contains(i.OfficialRating ?? string.Empty))
                {
                    return false;
                }

                // Apply genre filter
                var genres = request.GetGenres();
                if (genres.Length > 0 && !(genres.Any(v => i.Genres.Contains(v, StringComparer.OrdinalIgnoreCase))))
                {
                    return false;
                }

                // Filter by VideoType
                var videoTypes = request.GetVideoTypes();
                if (videoTypes.Length > 0 && (video == null || !videoTypes.Contains(video.VideoType)))
                {
                    return false;
                }

                var imageTypes = request.GetImageTypes().ToList();
                if (imageTypes.Count > 0)
                {
                    if (!(imageTypes.Any(i.HasImage)))
                    {
                        return false;
                    }
                }

                // Apply studio filter
                var studios = request.GetStudios();
                if (studios.Length > 0 && !studios.Any(v => i.Studios.Contains(v, StringComparer.OrdinalIgnoreCase)))
                {
                    return false;
                }

                // Apply studio filter
                var studioIds = request.GetStudioIds();
                if (studioIds.Length > 0 && !studioIds.Any(id =>
                {
                    var studioItem = libraryManager.GetItemById(id);
                    return studioItem != null && i.Studios.Contains(studioItem.Name, StringComparer.OrdinalIgnoreCase);
                }))
                {
                    return false;
                }

                // Apply year filter
                var years = request.GetYears();
                if (years.Length > 0 && !(i.ProductionYear.HasValue && years.Contains(i.ProductionYear.Value)))
                {
                    return false;
                }

                // Apply person filter
                var personIds = request.GetPersonIds();
                if (personIds.Length > 0)
                {
                    var names = personIds
                        .Select(libraryManager.GetItemById)
                        .Select(p => p == null ? "-1" : p.Name)
                        .ToList();

                    if (!(names.Any(v => i.People.Select(p => p.Name).Contains(v, StringComparer.OrdinalIgnoreCase))))
                    {
                        return false;
                    }
                }

                // Apply person filter
                if (!string.IsNullOrEmpty(request.Person))
                {
                    var personTypes = request.GetPersonTypes();

                    if (personTypes.Length == 0)
                    {
                        if (!(i.People.Any(p => string.Equals(p.Name, request.Person, StringComparison.OrdinalIgnoreCase))))
                        {
                            return false;
                        }
                    }
                    else
                    {
                        var types = personTypes;

                        var ok = new[] { i }.Any(item =>
                                item.People != null &&
                                item.People.Any(p =>
                                    p.Name.Equals(request.Person, StringComparison.OrdinalIgnoreCase) && (types.Contains(p.Type, StringComparer.OrdinalIgnoreCase) || types.Contains(p.Role, StringComparer.OrdinalIgnoreCase))));

                        if (!ok)
                        {
                            return false;
                        }
                    }
                }
            }

            if (request.MinCommunityRating.HasValue)
            {
                var val = request.MinCommunityRating.Value;

                if (!(i.CommunityRating.HasValue && i.CommunityRating >= val))
                {
                    return false;
                }
            }

            if (request.MinCriticRating.HasValue)
            {
                var val = request.MinCriticRating.Value;

                var hasCriticRating = i as IHasCriticRating;

                if (hasCriticRating != null)
                {
                    if (!(hasCriticRating.CriticRating.HasValue && hasCriticRating.CriticRating >= val))
                    {
                        return false;
                    }
                }
                else
                {
                    return false;
                }
            }

            // Artists
            if (!string.IsNullOrEmpty(request.ArtistIds))
            {
                var artistIds = request.ArtistIds.Split('|');

                var audio = i as IHasArtist;

                if (!(audio != null && artistIds.Any(id =>
                {
                    var artistItem = libraryManager.GetItemById(id);
                    return artistItem != null && audio.HasAnyArtist(artistItem.Name);
                })))
                {
                    return false;
                }
            }

            // Artists
            if (!string.IsNullOrEmpty(request.Artists))
            {
                var artists = request.Artists.Split('|');

                var audio = i as IHasArtist;

                if (!(audio != null && artists.Any(audio.HasAnyArtist)))
                {
                    return false;
                }
            }

            // Albums
            if (!string.IsNullOrEmpty(request.Albums))
            {
                var albums = request.Albums.Split('|');

                var audio = i as Audio;

                if (audio != null)
                {
                    if (!albums.Any(a => string.Equals(a, audio.Album, StringComparison.OrdinalIgnoreCase)))
                    {
                        return false;
                    }
                }

                var album = i as MusicAlbum;

                if (album != null)
                {
                    if (!albums.Any(a => string.Equals(a, album.Name, StringComparison.OrdinalIgnoreCase)))
                    {
                        return false;
                    }
                }

                var musicVideo = i as MusicVideo;

                if (musicVideo != null)
                {
                    if (!albums.Any(a => string.Equals(a, musicVideo.Album, StringComparison.OrdinalIgnoreCase)))
                    {
                        return false;
                    }
                }

                return false;
            }

            // Min index number
            if (request.MinIndexNumber.HasValue)
            {
                if (!(i.IndexNumber.HasValue && i.IndexNumber.Value >= request.MinIndexNumber.Value))
                {
                    return false;
                }
            }

            // Min official rating
            if (!string.IsNullOrEmpty(request.MinOfficialRating))
            {
                var level = _localization.GetRatingLevel(request.MinOfficialRating);

                if (level.HasValue)
                {
                    var rating = i.CustomRating;

                    if (string.IsNullOrEmpty(rating))
                    {
                        rating = i.OfficialRating;
                    }

                    if (!string.IsNullOrEmpty(rating))
                    {
                        var itemLevel = _localization.GetRatingLevel(rating);

                        if (!(!itemLevel.HasValue || itemLevel.Value >= level.Value))
                        {
                            return false;
                        }
                    }
                }
            }

            // Max official rating
            if (!string.IsNullOrEmpty(request.MaxOfficialRating))
            {
                var level = _localization.GetRatingLevel(request.MaxOfficialRating);

                if (level.HasValue)
                {
                    var rating = i.CustomRating;

                    if (string.IsNullOrEmpty(rating))
                    {
                        rating = i.OfficialRating;
                    }

                    if (!string.IsNullOrEmpty(rating))
                    {
                        var itemLevel = _localization.GetRatingLevel(rating);

                        if (!(!itemLevel.HasValue || itemLevel.Value <= level.Value))
                        {
                            return false;
                        }
                    }
                }
            }

            // LocationTypes
            if (!string.IsNullOrEmpty(request.LocationTypes))
            {
                var vals = request.LocationTypes.Split(',');
                if (!vals.Contains(i.LocationType.ToString(), StringComparer.OrdinalIgnoreCase))
                {
                    return false;
                }
            }

            // ExcludeLocationTypes
            if (!string.IsNullOrEmpty(request.ExcludeLocationTypes))
            {
                var vals = request.ExcludeLocationTypes.Split(',');
                if (vals.Contains(i.LocationType.ToString(), StringComparer.OrdinalIgnoreCase))
                {
                    return false;
                }
            }

            if (!string.IsNullOrEmpty(request.AlbumArtistStartsWithOrGreater))
            {
                var ok = new[] { i }.OfType<IHasAlbumArtist>()
                    .Any(p => string.Compare(request.AlbumArtistStartsWithOrGreater, p.AlbumArtists.FirstOrDefault(), StringComparison.CurrentCultureIgnoreCase) < 1);

                if (!ok)
                {
                    return false;
                }
            }

            // Filter by Series Status
            if (!string.IsNullOrEmpty(request.SeriesStatus))
            {
                var vals = request.SeriesStatus.Split(',');

                var ok = new[] { i }.OfType<Series>().Any(p => p.Status.HasValue && vals.Contains(p.Status.Value.ToString(), StringComparer.OrdinalIgnoreCase));

                if (!ok)
                {
                    return false;
                }
            }

            // Filter by Series AirDays
            if (!string.IsNullOrEmpty(request.AirDays))
            {
                var days = request.AirDays.Split(',').Select(d => (DayOfWeek)Enum.Parse(typeof(DayOfWeek), d, true));

                var ok = new[] { i }.OfType<Series>().Any(p => p.AirDays != null && days.Any(d => p.AirDays.Contains(d)));

                if (!ok)
                {
                    return false;
                }
            }

            if (request.MinPlayers.HasValue)
            {
                var filterValue = request.MinPlayers.Value;

                var game = i as Game;

                if (game != null)
                {
                    var players = game.PlayersSupported ?? 1;

                    var ok = players >= filterValue;

                    if (!ok)
                    {
                        return false;
                    }
                }
                else
                {
                    return false;
                }
            }

            if (request.MaxPlayers.HasValue)
            {
                var filterValue = request.MaxPlayers.Value;

                var game = i as Game;

                if (game != null)
                {
                    var players = game.PlayersSupported ?? 1;

                    var ok = players <= filterValue;

                    if (!ok)
                    {
                        return false;
                    }
                }
                else
                {
                    return false;
                }
            }

            if (request.ParentIndexNumber.HasValue)
            {
                var filterValue = request.ParentIndexNumber.Value;

                var episode = i as Episode;

                if (episode != null)
                {
                    if (episode.ParentIndexNumber.HasValue && episode.ParentIndexNumber.Value != filterValue)
                    {
                        return false;
                    }
                }

                var song = i as Audio;

                if (song != null)
                {
                    if (song.ParentIndexNumber.HasValue && song.ParentIndexNumber.Value != filterValue)
                    {
                        return false;
                    }
                }
            }

            if (request.AiredDuringSeason.HasValue)
            {
                var episode = i as Episode;

                if (episode == null)
                {
                    return false;
                }

                if (!Series.FilterEpisodesBySeason(new[] { episode }, request.AiredDuringSeason.Value, true).Any())
                {
                    return false;
                }
            }

            if (!string.IsNullOrEmpty(request.MinPremiereDate))
            {
                var date = DateTime.Parse(request.MinPremiereDate, null, DateTimeStyles.RoundtripKind).ToUniversalTime();

                if (!(i.PremiereDate.HasValue && i.PremiereDate.Value >= date))
                {
                    return false;
                }
            }

            if (!string.IsNullOrEmpty(request.MaxPremiereDate))
            {
                var date = DateTime.Parse(request.MaxPremiereDate, null, DateTimeStyles.RoundtripKind).ToUniversalTime();

                if (!(i.PremiereDate.HasValue && i.PremiereDate.Value <= date))
                {
                    return false;
                }
            }

            return true;
        }

        /// <summary> Applies the paging. </summary>
        /// <param name="request"> The request. </param>
        /// <param name="items"> The items. </param>
        /// <returns> IEnumerable{BaseItem}. </returns>
        private IEnumerable<BaseItem> ApplyPaging(GetItems request, IEnumerable<BaseItem> items)
        {
            // Start at
            if (request.StartIndex.HasValue)
            {
                items = items.Skip(request.StartIndex.Value);
            }

            // Return limit
            if (request.Limit.HasValue)
            {
                items = items.Take(request.Limit.Value);
            }

            return items;
        }

        /// <summary> Gets items query. </summary>
        /// <param name="request"> The request. </param>
        /// <param name="user"> The user. </param>
        /// <returns> The items query. </returns>
        private InternalItemsQuery GetItemsQuery(BaseReportRequest request, User user)
        {
            var query = new InternalItemsQuery
            {
                User = user,
                IsPlayed = request.IsPlayed,
                MediaTypes = request.GetMediaTypes(),
                IncludeItemTypes = request.GetIncludeItemTypes(),
                ExcludeItemTypes = request.GetExcludeItemTypes(),
                Recursive = true,
                SortBy = request.GetOrderBy(),
                SortOrder = request.SortOrder ?? SortOrder.Ascending,

                Filter = i => ApplyAdditionalFilters(request, i, user, true, _libraryManager),
                StartIndex = request.StartIndex,
                IsMissing = request.IsMissing,
                IsVirtualUnaired = request.IsVirtualUnaired,
                IsUnaired = request.IsUnaired,
                CollapseBoxSetItems = request.CollapseBoxSetItems,
                NameLessThan = request.NameLessThan,
                NameStartsWith = request.NameStartsWith,
                NameStartsWithOrGreater = request.NameStartsWithOrGreater,
                HasImdbId = request.HasImdbId,
                IsYearMismatched = request.IsYearMismatched,
                IsUnidentified = request.IsUnidentified,
                IsPlaceHolder = request.IsPlaceHolder,
                IsLocked = request.IsLocked,
                IsInBoxSet = request.IsInBoxSet,
                IsHD = request.IsHD,
                Is3D = request.Is3D,
                HasTvdbId = request.HasTvdbId,
                HasTmdbId = request.HasTmdbId,
                HasOverview = request.HasOverview,
                HasOfficialRating = request.HasOfficialRating,
                HasParentalRating = request.HasParentalRating,
                HasSpecialFeature = request.HasSpecialFeature,
                HasSubtitles = request.HasSubtitles,
                HasThemeSong = request.HasThemeSong,
                HasThemeVideo = request.HasThemeVideo,
                HasTrailer = request.HasTrailer,
                Tags = request.GetTags(),
                OfficialRatings = request.GetOfficialRatings(),
                Genres = request.GetGenres(),
                Studios = request.GetStudios(),
                StudioIds = request.GetStudioIds(),
                Person = request.Person,
                PersonIds = request.GetPersonIds(),
                PersonTypes = request.GetPersonTypes(),
                Years = request.GetYears(),
                ImageTypes = request.GetImageTypes().ToArray(),
                VideoTypes = request.GetVideoTypes().ToArray(),
                AdjacentTo = request.AdjacentTo
            };

            if (!string.IsNullOrWhiteSpace(request.Ids))
            {
                query.CollapseBoxSetItems = false;
            }

            foreach (var filter in request.GetFilters())
            {
                switch (filter)
                {
                    case ItemFilter.Dislikes:
                        query.IsLiked = false;
                        break;
                    case ItemFilter.IsFavorite:
                        query.IsFavorite = true;
                        break;
                    case ItemFilter.IsFavoriteOrLikes:
                        query.IsFavoriteOrLiked = true;
                        break;
                    case ItemFilter.IsFolder:
                        query.IsFolder = true;
                        break;
                    case ItemFilter.IsNotFolder:
                        query.IsFolder = false;
                        break;
                    case ItemFilter.IsPlayed:
                        query.IsPlayed = true;
                        break;
                    case ItemFilter.IsRecentlyAdded:
                        break;
                    case ItemFilter.IsResumable:
                        query.IsResumable = true;
                        break;
                    case ItemFilter.IsUnplayed:
                        query.IsPlayed = false;
                        break;
                    case ItemFilter.Likes:
                        query.IsLiked = true;
                        break;
                }
            }

            if (request.HasQueryLimit)
                query.Limit = request.Limit;
            return query;
        }

        /// <summary> Gets query result. </summary>
        /// <param name="request"> The request. </param>
        /// <returns> The query result. </returns>
        private async Task<QueryResult<BaseItem>> GetQueryResult(BaseReportRequest request)
        {
            // Placeholder in case needed later
            request.Recursive = true;
            var user = !string.IsNullOrWhiteSpace(request.UserId) ? _userManager.GetUserById(request.UserId) : null;
            request.Fields = "MediaSources,DateCreated,Settings,Studios,SyncInfo,ItemCounts";

            var parentItem = string.IsNullOrEmpty(request.ParentId) ?
                (user == null ? _libraryManager.RootFolder : user.RootFolder) :
                _libraryManager.GetItemById(request.ParentId);

            var item = string.IsNullOrEmpty(request.ParentId) ?
                user == null ? _libraryManager.RootFolder : user.RootFolder :
                parentItem;

            IEnumerable<BaseItem> items;

            if (request.Recursive)
            {
                var result = await ((Folder)item).GetItems(GetItemsQuery(request, user)).ConfigureAwait(false);
                return result;
            }
            else
            {
                if (user == null)
                {
                    var result = await ((Folder)item).GetItems(GetItemsQuery(request, null)).ConfigureAwait(false);
                    return result;
                }

                var userRoot = item as UserRootFolder;

                if (userRoot == null)
                {
                    var result = await ((Folder)item).GetItems(GetItemsQuery(request, user)).ConfigureAwait(false);

                    return result;
                }

                items = ((Folder)item).GetChildren(user, true);
            }

            return new QueryResult<BaseItem> { Items = items.ToArray() };

        }

        /// <summary> Gets report activities. </summary>
        /// <param name="request"> The request. </param>
        /// <returns> The report activities. </returns>
        private Task<ReportResult> GetReportActivities(IReportsDownload request)
        {
            return Task<ReportResult>.Run(() =>
            {
                DateTime? minDate = string.IsNullOrWhiteSpace(request.MinDate) ?
                (DateTime?)null :
                DateTime.Parse(request.MinDate, null, DateTimeStyles.RoundtripKind).ToUniversalTime();
                var queryResult = _repo.GetActivityLogEntries(minDate, request.StartIndex, request.Limit);
                //var queryResult = _activityManager.GetActivityLogEntries(minDate, request.StartIndex, request.Limit);

                ReportActivitiesBuilder builder = new ReportActivitiesBuilder(_libraryManager, _userManager);
                var result = builder.GetResult(queryResult, request);
                result.TotalRecordCount = queryResult.TotalRecordCount;
                return result;

            });

        }

        /// <summary> Gets report result. </summary>
        /// <param name="request"> The request. </param>
        /// <returns> The report result. </returns>
        private async Task<ReportResult> GetReportResult(GetItemReport request)
        {
            ReportBuilder reportBuilder = new ReportBuilder(_libraryManager);
            QueryResult<BaseItem> queryResult = await GetQueryResult(request).ConfigureAwait(false);
            ReportResult reportResult = reportBuilder.GetResult(queryResult.Items, request);
            reportResult.TotalRecordCount = queryResult.TotalRecordCount;

            return reportResult;
        }

        /// <summary> Gets report statistic. </summary>
        /// <param name="request"> The request. </param>
        /// <returns> The report statistic. </returns>
        private async Task<ReportStatResult> GetReportStatistic(GetReportStatistics request)
        {
            ReportIncludeItemTypes reportRowType = ReportHelper.GetRowType(request.IncludeItemTypes);
            QueryResult<BaseItem> queryResult = await GetQueryResult(request).ConfigureAwait(false);

            ReportStatBuilder reportBuilder = new ReportStatBuilder(_libraryManager);
            ReportStatResult reportResult = reportBuilder.GetResult(queryResult.Items, ReportHelper.GetRowType(request.IncludeItemTypes), request.TopItems ?? 5);
            reportResult.TotalRecordCount = reportResult.Groups.Count();
            return reportResult;
        }

        #endregion

    }
}