Improve AniDB ID searching and matching

CONTRIBUTORS.md

@@ -5,6 +5,7 @@
  - [hawken93](https://github.com/hawken93)
  - [dkanada](https://github.com/dkanada)
  - [StillLoading](https://github.com/StillLoading)
+ - [Nalsai](https://github.com/Nalsai)
 
 # Emby Contributors
 

Jellyfin.Plugin.AniDB/Configuration/PluginConfiguration.cs

@@ -30,6 +30,7 @@ namespace Jellyfin.Plugin.AniDB.Configuration
         public PluginConfiguration()
         {
             TitlePreference = TitlePreferenceType.Localized;
+            TitleSimilarityThreshold = 50;
             MaxGenres = 5;
             TidyGenreList = true;
             TitleCaseGenres = false;
@@ -40,6 +41,8 @@ namespace Jellyfin.Plugin.AniDB.Configuration
 
         public TitlePreferenceType TitlePreference { get; set; }
 
+        public int TitleSimilarityThreshold { get; set; }
+
         public int MaxGenres { get; set; }
 
         public bool TidyGenreList { get; set; }

Jellyfin.Plugin.AniDB/Configuration/configPage.html

@@ -18,6 +18,11 @@
                                 <option id="optLanguageJapaneseRomaji" value="JapaneseRomaji">Romaji</option>
                             </select>
                         </div>
+                        <div class="inputContainer">
+                            <label class="inputeLabel inputLabelUnfocused" for="chkTitleSimilarityThreshold">Title Similarity Threshold</label>
+                            <input id="chkTitleSimilarityThreshold" name="chkTitleSimilarityThreshold" type="number" is="emby-input" min="0" />
+                            <div class="fieldDescription">Set this to zero to only automatically match if the title of the show is exactly the same. A value of one means that one character can be inserted or deleted.</div>
+                        </div>
                         <div class="inputContainer">
                             <label class="inputeLabel inputLabelUnfocused" for="chkMaxGenres">Max Genres</label>
                             <input id="chkMaxGenres" name="chkMaxGenres" type="number" is="emby-input" min="0" />
@@ -72,6 +77,7 @@
 
                         ApiClient.getPluginConfiguration(AniDBConfigurationPage.pluginUniqueId).then(function (config) {
                             document.getElementById('titleLanguage').value = config.TitlePreference;
+                            document.getElementById('chkTitleSimilarityThreshold').value = config.TitleSimilarityThreshold;
                             document.getElementById('chkMaxGenres').value = config.MaxGenres;
                             document.getElementById('chkTitleCaseGenres').checked = config.TitleCaseGenres;
                             document.getElementById('chkTidyGenres').checked = config.TidyGenreList;
@@ -88,6 +94,7 @@
 
                         ApiClient.getPluginConfiguration(AniDBConfigurationPage.pluginUniqueId).then(function (config) {
                             config.TitlePreference = document.getElementById('titleLanguage').value;
+                            config.TitleSimilarityThreshold = document.getElementById('chkTitleSimilarityThreshold').value;
                             config.MaxGenres = document.getElementById('chkMaxGenres').value;
                             config.TitleCaseGenres = document.getElementById('chkTitleCaseGenres').checked;
                             config.TidyGenreList = document.getElementById('chkTidyGenres').checked;

Jellyfin.Plugin.AniDB/Providers/AniDB/Metadata/AniDbSeriesProvider.cs

@@ -2,7 +2,6 @@
 using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
-using System.IO.Compression;
 using System.Linq;
 using System.Text;
 using System.Text.RegularExpressions;
@@ -12,11 +11,9 @@ using System.Xml;
 using System.Xml.Linq;
 using System.Xml.Serialization;
 using System.Net.Http;
-using System.Net.Http.Headers;
 using Jellyfin.Plugin.AniDB.Configuration;
 using Jellyfin.Plugin.AniDB.Providers.AniDB.Identity;
 using MediaBrowser.Common.Configuration;
-using MediaBrowser.Common.Net;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.TV;
 using MediaBrowser.Controller.Providers;
@@ -47,71 +44,109 @@ namespace Jellyfin.Plugin.AniDB.Providers.AniDB.Metadata
         public AniDbSeriesProvider(IApplicationPaths appPaths)
         {
             _appPaths = appPaths;
-
             TitleMatcher = AniDbTitleMatcher.DefaultInstance;
-
             Current = this;
         }
 
         private static AniDbSeriesProvider Current { get; set; }
         private IAniDbTitleMatcher TitleMatcher { get; set; }
         public int Order => -1;
+        public string Name => "AniDB";
 
         public async Task<MetadataResult<Series>> GetMetadata(SeriesInfo info, CancellationToken cancellationToken)
         {
             var result = new MetadataResult<Series>();
+            var animeId = info.ProviderIds.GetOrDefault(ProviderNames.AniDb);
 
-            var aid = info.ProviderIds.GetOrDefault(ProviderNames.AniDb);
-            if (string.IsNullOrEmpty(aid) && !string.IsNullOrEmpty(info.Name))
+            if (string.IsNullOrEmpty(animeId) && !string.IsNullOrEmpty(info.Name))
             {
-                aid = await Equals_check.Fast_xml_search(info.Name, info.Name, cancellationToken, true);
-                if (string.IsNullOrEmpty(aid))
-                {
-                    aid = await Equals_check.Fast_xml_search(await Equals_check.Clear_name(info.Name, cancellationToken), await Equals_check.Clear_name(info.Name, cancellationToken), cancellationToken, true);
-                }
+                animeId = await Equals_check.XmlFindId(info.Name, cancellationToken);
             }
 
-            if (!string.IsNullOrEmpty(aid))
+            if (!string.IsNullOrEmpty(animeId))
             {
-                result.Item = new Series();
-                result.HasMetadata = true;
-
-                result.Item.ProviderIds.Add(ProviderNames.AniDb, aid);
-
-                var seriesDataPath = await GetSeriesData(_appPaths, aid, cancellationToken);
-                await FetchSeriesInfo(result, seriesDataPath, info.MetadataLanguage ?? "en").ConfigureAwait(false);
+                result = await GetMetadataForId(animeId, info, cancellationToken);
             }
 
             return result;
         }
 
-        public string Name => "AniDB";
+        private async Task<MetadataResult<Series>> GetMetadataForId(string animeId, SeriesInfo info, CancellationToken cancellationToken)
+        {
+            var result = new MetadataResult<Series>();
+
+            result.Item = new Series();
+            result.HasMetadata = true;
+
+            result.Item.ProviderIds.Add(ProviderNames.AniDb, animeId);
+
+            var seriesDataPath = await GetSeriesData(_appPaths, animeId, cancellationToken);
+            await FetchSeriesInfo(result, seriesDataPath, info.MetadataLanguage ?? "en").ConfigureAwait(false);
+
+            return result;
+        }
 
         public async Task<IEnumerable<RemoteSearchResult>> GetSearchResults(SeriesInfo searchInfo, CancellationToken cancellationToken)
         {
-            var metadata = await GetMetadata(searchInfo, cancellationToken).ConfigureAwait(false);
+            var results = new List<RemoteSearchResult>();
+            var animeId = searchInfo.ProviderIds.GetOrDefault(ProviderNames.AniDb);
 
-            var list = new List<RemoteSearchResult>();
-
-            if (metadata.HasMetadata)
+            if (!string.IsNullOrEmpty(animeId))
+            {
+                var resultMetadata = await GetMetadataForId(animeId, searchInfo, cancellationToken);
+
+                if (resultMetadata.HasMetadata)
                 {
-                var seriesId = metadata.Item.ProviderIds.GetOrDefault(ProviderNames.AniDb);
                     var imageProvider = new AniDbImageProvider(_appPaths);
-                var images = await imageProvider.GetImages(seriesId, cancellationToken);
-                var res = new RemoteSearchResult
-                {
-                    Name = metadata.Item.Name,
-                    PremiereDate = metadata.Item.PremiereDate,
-                    ProductionYear = metadata.Item.ProductionYear,
-                    ImageUrl = images.Any() ? images.First().Url : null,
-                    ProviderIds = metadata.Item.ProviderIds,
-                    SearchProviderName = Name
-                };
-
-                list.Add(res);
+                    var images = await imageProvider.GetImages(animeId, cancellationToken);
+                    results.Add(MetadataToRemoteSearchResult(resultMetadata, images));
+                }
             }
 
-            return list;
+            if (!string.IsNullOrEmpty(searchInfo.Name))
+            {
+                List<RemoteSearchResult> name_results = await GetSearchResultsByName(searchInfo.Name, searchInfo, cancellationToken).ConfigureAwait(false);
+
+                foreach (var media in name_results)
+                {
+                    results.Add(media);
+                }
+            }
+
+            return results;
+        }
+
+        public async Task<List<RemoteSearchResult>> GetSearchResultsByName(string name, SeriesInfo searchInfo, CancellationToken cancellationToken)
+        {
+            var imageProvider = new AniDbImageProvider(_appPaths);
+            var results = new List<RemoteSearchResult>();
+
+            List<string> ids = await Equals_check.XmlSearch(name, cancellationToken);
+
+            foreach (string id in ids)
+            {
+                var resultMetadata = await GetMetadataForId(id, searchInfo, cancellationToken);
+
+                if (resultMetadata.HasMetadata)
+                {
+                    var images = await imageProvider.GetImages(id, cancellationToken);
+                    results.Add(MetadataToRemoteSearchResult(resultMetadata, images));
+                }
+            }
+            return results;
+        }
+
+        public RemoteSearchResult MetadataToRemoteSearchResult(MetadataResult<Series> metadata, IEnumerable<RemoteImageInfo> images)
+        {
+            return new RemoteSearchResult
+            {
+                Name = metadata.Item.Name,
+                ProductionYear = metadata.Item.PremiereDate?.Year,
+                PremiereDate = metadata.Item.PremiereDate,
+                ImageUrl = images.Any() ? images.First().Url : null,
+                ProviderIds = metadata.Item.ProviderIds,
+                SearchProviderName = ProviderNames.AniDb
+            };
         }
 
         public async Task<HttpResponseMessage> GetImageResponse(string url, CancellationToken cancellationToken)
@@ -123,7 +158,7 @@ namespace Jellyfin.Plugin.AniDB.Providers.AniDB.Metadata
 
         public static async Task<string> GetSeriesData(IApplicationPaths appPaths, string seriesId, CancellationToken cancellationToken)
         {
-            var dataPath = CalculateSeriesDataPath(appPaths, seriesId);
+            var dataPath = GetSeriesDataPath(appPaths, seriesId);
             var seriesDataPath = Path.Combine(dataPath, SeriesDataFile);
             var fileInfo = new FileInfo(seriesDataPath);
 
@@ -136,11 +171,6 @@ namespace Jellyfin.Plugin.AniDB.Providers.AniDB.Metadata
             return seriesDataPath;
         }
 
-        public static string CalculateSeriesDataPath(IApplicationPaths paths, string seriesId)
-        {
-            return Path.Combine(paths.CachePath, "anidb", "series", seriesId);
-        }
-
         private async Task FetchSeriesInfo(MetadataResult<Series> result, string seriesDataPath, string preferredMetadataLangauge)
         {
             var series = result.Item;
@@ -489,7 +519,8 @@ namespace Jellyfin.Plugin.AniDB.Providers.AniDB.Metadata
             }
         }
 
-        private PersonInfo CreatePerson(string name, string type, string role = null) {
+        private PersonInfo CreatePerson(string name, string type, string role = null)
+        {
             // todo find nationality of person and conditionally reverse name order
 
             if (!_typeMappings.TryGetValue(type, out string mappedType))
@@ -829,23 +860,9 @@ namespace Jellyfin.Plugin.AniDB.Providers.AniDB.Metadata
         /// <param name="appPaths">The app paths.</param>
         /// <param name="seriesId">The series id.</param>
         /// <returns>System.String.</returns>
-        internal static string GetSeriesDataPath(IApplicationPaths appPaths, string seriesId)
+        public static string GetSeriesDataPath(IApplicationPaths appPaths, string seriesId)
         {
-            var seriesDataPath = Path.Combine(GetSeriesDataPath(appPaths), seriesId);
-
-            return seriesDataPath;
-        }
-
-        /// <summary>
-        /// Gets the series data path.
-        /// </summary>
-        /// <param name="appPaths">The app paths.</param>
-        /// <returns>System.String.</returns>
-        internal static string GetSeriesDataPath(IApplicationPaths appPaths)
-        {
-            var dataPath = Path.Combine(appPaths.CachePath, "anidb\\series");
-
-            return dataPath;
+            return Path.Combine(appPaths.CachePath, "anidb", "series", seriesId);
         }
 
         private struct GenreInfo
@@ -899,30 +916,5 @@ namespace Jellyfin.Plugin.AniDB.Providers.AniDB.Metadata
                    titlesList.FirstOrDefault(t => t.Type == "main") ??
                    titlesList.FirstOrDefault();
         }
-
-        /// <summary>
-        /// Gets the series data path.
-        /// </summary>
-        /// <param name="appPaths">The app paths.</param>
-        /// <param name="seriesId">The series id.</param>
-        /// <returns>System.String.</returns>
-        internal static string GetSeriesDataPath(IApplicationPaths appPaths, string seriesId)
-        {
-            var seriesDataPath = Path.Combine(GetSeriesDataPath(appPaths), seriesId);
-
-            return seriesDataPath;
-        }
-
-        /// <summary>
-        /// Gets the series data path.
-        /// </summary>
-        /// <param name="appPaths">The app paths.</param>
-        /// <returns>System.String.</returns>
-        internal static string GetSeriesDataPath(IApplicationPaths appPaths)
-        {
-            var dataPath = Path.Combine(appPaths.CachePath, "tvdb");
-
-            return dataPath;
-        }
     }
 }

Jellyfin.Plugin.AniDB/Providers/equals_check.cs

@@ -1,11 +1,9 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using System.Text.RegularExpressions;
 using System.Threading;
 using System.Threading.Tasks;
-using System.Xml.Linq;
 using Jellyfin.Plugin.AniDB.Providers.AniDB.Identity;
 using Microsoft.Extensions.Logging;
 
@@ -20,132 +18,96 @@ namespace Jellyfin.Plugin.AniDB.Providers
             _logger = logger;
         }
 
-        /// <summary>
-        /// Clear name
-        /// </summary>
-        /// <param name="a"></param>
-        /// <returns></returns>
-        public async static Task<string> Clear_name(string a, CancellationToken cancellationToken)
-        {
-            try
-            {
-                a = a.Trim().Replace(await One_line_regex(new Regex(@"(?s) \(.*?\)"), a.Trim(), cancellationToken, 0), "");
-            }
-            catch (Exception)
-            { }
-            a = a.Replace(".", " ");
-            a = a.Replace("-", " ");
-            a = a.Replace("`", "");
-            a = a.Replace("'", "");
-            a = a.Replace("&", "and");
-            a = a.Replace("(", "");
-            a = a.Replace(")", "");
-            try
-            {
-                a = a.Replace(await One_line_regex(new Regex(@"(?s)(S[0-9]+)"), a.Trim(), cancellationToken), await One_line_regex(new Regex(@"(?s)S([0-9]+)"), a.Trim(), cancellationToken));
-            }
-            catch (Exception)
-            {
-            }
-            return a;
-        }
-
-        /// <summary>
-        /// Clear name heavy.
-        /// Example: Text & Text to Text and Text
-        /// </summary>
-        /// <param name="a"></param>
-        /// <returns></returns>
-        public async static Task<string> Clear_name_step2(string a, CancellationToken cancellationToken)
-        {
-            if(a.Contains("Gekijyouban"))
-               a= (a.Replace("Gekijyouban", "") + " Movie").Trim();
-            if (a.Contains("gekijyouban"))
-               a = (a.Replace("gekijyouban", "") + " Movie").Trim();
-            try
-            {
-                a = a.Trim().Replace(await One_line_regex(new Regex(@"(?s) \(.*?\)"), a.Trim(), cancellationToken, 0), "");
-            }
-            catch (Exception)
-            { }
-            a = a.Replace(".", " ");
-            a = a.Replace("-", " ");
-            a = a.Replace("`", "");
-            a = a.Replace("'", "");
-            a = a.Replace("&", "and");
-            a = a.Replace(":", "");
-            a = a.Replace("␣", "");
-            a = a.Replace("2wei", "zwei");
-            a = a.Replace("3rei", "drei");
-            a = a.Replace("4ier", "vier");
-            return a;
-        }
-
-        /// <summary>
-        /// If a and b match it return true
-        /// </summary>
-        /// <param name="a"></param>
-        /// <param name="b"></param>
-        /// <returns></returns>
-        public async static Task<bool> Compare_strings(string a, string b, CancellationToken cancellationToken)
-        {
-            if (!string.IsNullOrEmpty(a) && !string.IsNullOrEmpty(b))
-            {
-                if (await Simple_compare(a, b, cancellationToken))
-                    return true;
-                if (await Fast_xml_search(a, b, cancellationToken))
-                    return true;
-
-                return false;
-            }
-            return false;
-        }
-
         /// <summary>
         /// Cut p(%) away from the string
         /// </summary>
-        /// <param name="string_"></param>
-        /// <param name="min_lenght"></param>
+        /// <param name="input"></param>
+        /// <param name="minLenght"></param>
         /// <param name="p"></param>
         /// <returns></returns>
-        public async static Task<string> Half_string(string string_, CancellationToken cancellationToken, int min_lenght = 0, int p = 50)
+        public static string ShortenString(string input, int minLenght = 0, int p = 50)
         {
             decimal length = 0;
-            if (await Task.Run(() => ((int)((decimal)string_.Length - (((decimal)string_.Length / 100m) * (decimal)p)) > min_lenght), cancellationToken))
+            if ((int)((decimal)input.Length - (((decimal)input.Length / 100m) * (decimal)p)) > minLenght)
             {
-                length = (decimal)string_.Length - (((decimal)string_.Length / 100m) * (decimal)p);
+                length = (decimal)input.Length - (((decimal)input.Length / 100m) * (decimal)p);
             }
             else
             {
-                if (string_.Length < min_lenght)
+                if (input.Length < minLenght)
                 {
-                    length = string_.Length;
+                    length = input.Length;
                 }
                 else
                 {
-                    length = min_lenght;
+                    length = minLenght;
                 }
             }
-            return string_.Substring(0, (int)length);
+            return input.Substring(0, (int)length);
+        }
+
+        /// <summary>
+        /// Escape string for regex, but fuzzy
+        /// </summary>
+        /// <param name="a"></param>
+        /// <returns></returns>
+        public static string FuzzyRegexEscape(string a)
+        {
+            a = Regex.Escape(a);
+
+            // make characters that were escaped fuzzy
+            a = a.Replace(@"\\", ".?");
+            a = a.Replace(@"\*", ".?");
+            a = a.Replace(@"\+", ".?");
+            a = a.Replace(@"\?", ".?");
+            a = a.Replace(@"\|", ".?");
+            a = a.Replace(@"\{", ".?");
+            a = a.Replace(@"\[", ".?");
+            a = a.Replace(@"\(", ".?");
+            a = a.Replace(@"\)", ".?");
+            a = a.Replace(@"\^", ".?");
+            a = a.Replace(@"\$", ".?");
+            a = a.Replace(@"\.", ".?");
+            a = a.Replace(@"\#", ".?");
+
+            // whitespace
+            a = a.Replace(@"\ ", ".?.?.?");
+            a = Regex.Replace(a, @"\s", ".?.?.?");
+
+            // other characters
+            a = Regex.Replace(a, @"[ 　!,–—_=~'`‚‘’„“”:;␣#@<>}\]\/\-]", ".?");
+
+            // "words"
+            a = Regex.Replace(a, @"s\b", ".?s");
+            a = a.Replace("c", "(c|k)", StringComparison.OrdinalIgnoreCase);
+            a = a.Replace("k", "(c|k)", StringComparison.OrdinalIgnoreCase);
+            a = a.Replace("&", "(&|(and))", StringComparison.OrdinalIgnoreCase);
+            a = a.Replace("and", "(&|(and))", StringComparison.OrdinalIgnoreCase);
+            a = a.Replace("OVA", "((OVA)|(OAD))", StringComparison.OrdinalIgnoreCase);
+            a = a.Replace("OAD", "((OVA)|(OAD))", StringComparison.OrdinalIgnoreCase);
+            a = a.Replace("re", "re.?", StringComparison.OrdinalIgnoreCase);
+            a = a.Replace("Gekijyouban", "Gekijouban", StringComparison.OrdinalIgnoreCase);
+            a = a.Replace("to aru", "to.?aru", StringComparison.OrdinalIgnoreCase);
+
+            return a;
         }
 
         /// <summary>
         /// simple regex
         /// </summary>
-        /// <param name="regex"></param>
-        /// <param name="match"></param>
+        /// <param name="input"></param>
+        /// <param name="pattern"></param>
         /// <param name="group"></param>
-        /// <param name="match_int"></param>
+        /// <param name="matchInt"></param>
         /// <returns></returns>
-        public async static Task<string> One_line_regex(Regex regex, string match, CancellationToken cancellationToken, int group = 1, int match_int = 0)
+        public async static Task<string> OneLineRegex(string pattern, string input, CancellationToken cancellationToken, int group = 1, int matchInt = 0)
         {
-            Regex _regex = regex;
             int x = 0;
-            foreach (Match _match in regex.Matches(match))
+            foreach (Match match in Regex.Matches(input, pattern, RegexOptions.IgnoreCase))
             {
-                if (x == match_int)
+                if (x == matchInt)
                 {
-                    return await Task.Run(() => _match.Groups[group].Value.ToString(), cancellationToken);
+                    return await Task.Run(() => match.Groups[group].Value, cancellationToken);
                 }
                 x++;
             }
@@ -153,395 +115,120 @@ namespace Jellyfin.Plugin.AniDB.Providers
         }
 
         /// <summary>
-        ///Return true if a and b match return false if not
-        ///It loads the titles.xml on exceptions
+        /// Searches for possible AniDB IDs for name
         /// </summary>
-        private async static Task<bool> Fast_xml_search(string a, string b, CancellationToken cancellationToken, bool return_AniDBid = false, bool retry = false)
+        public async static Task<List<string>> XmlSearch(string name, CancellationToken cancellationToken, int x_ = 0)
         {
-            //Get AID aid=\"([s\S].*)\">
+            var results = new List<string>();
+
             try
             {
-                List<string> pre_aid = new List<string>();
-                string xml = File.ReadAllText(Get_anidb_xml_file());
+                string xml = File.ReadAllText(GetAnidbXml());
+                string s = "-";
                 int x = 0;
-                string s1 = "-";
-                string s2 = "-";
-                while (!string.IsNullOrEmpty(s1) && !string.IsNullOrEmpty(s2))
+                while (!string.IsNullOrEmpty(s))
                 {
-                    s1 = await One_line_regex(new Regex("<anime aid=" + "\"" + @"(\d+)" + "\"" + @">(?>[^<>]+|<(?!\/anime>)[^<>]*>)*?" + Regex.Escape(await Half_string(a, cancellationToken,4))), xml, cancellationToken,1, x);
-                    if (s1 != "")
+                    s = await OneLineRegex(@"<anime aid=""(\d+)"">(?>[^<>]+|<(?!\/anime>)[^<>]*>)*?.*" + await Task.Run(() => FuzzyRegexEscape(ShortenString(name, 6, 20)), cancellationToken), xml, cancellationToken, 1, x);
+                    if (s != "")
                     {
-                        pre_aid.Add(s1);
-                    }
-                    s2 = await One_line_regex(new Regex("<anime aid=" + "\"" + @"(\d+)" + "\"" + @">(?>[^<>]+|<(?!\/anime>)[^<>]*>)*?" + Regex.Escape(await Half_string(b, cancellationToken,4))), xml, cancellationToken, 1, x);
-                    if (s1 != "")
-                    {
-                        if (s1 != s2)
-                        {
-                            pre_aid.Add(s2);
-                        }
+                        results.Add(s);
                     }
                     x++;
                 }
-                foreach (string _aid in pre_aid)
-                {
-                    XElement doc = await Task.Run(async () => XElement.Parse("<?xml version=\"1.0\" encoding=\"UTF - 8\"?>" + "<animetitles>" + await One_line_regex(await Task.Run(() => new Regex("<anime aid=\"" + _aid + "\">" + @"(?s)(.*?)<\/anime>"), cancellationToken), xml, cancellationToken, 0) + "</animetitles>"), cancellationToken);
-                    var a_ = from page in doc.Elements("anime")
-                             where _aid == page.Attribute("aid").Value
-                             select page;
-                    if (await Simple_compare( a_.Elements("title"), b, cancellationToken) && await Simple_compare(a_.Elements("title"), a, cancellationToken))
-                    {
-                        return true;
-                    }
-                }
-                return false;
             }
             catch (Exception)
             {
-                if (retry)
-                {
-                    return false;
-                }
-                else
+                if (x_ == 0)
                 {
                     await Task.Run(() => AniDbTitleDownloader.Load_static(cancellationToken), cancellationToken);
-                    return await Fast_xml_search(a, b, cancellationToken, false, true);
+                    return await XmlSearch(name, cancellationToken, 1);
                 }
             }
+
+            return results;
         }
 
         /// <summary>
-        /// Return the AniDB ID if a and b match
+        /// Finds an AniDB ID for name
         /// </summary>
-        public async static Task<string> Fast_xml_search(string a, string b, CancellationToken cancellationToken, bool return_AniDBid, int x_ = 0)
+        public async static Task<string> XmlFindId(string name, CancellationToken cancellationToken, int x_ = 0)
         {
-            //Get AID aid=\"([s\S].*)\">
-            try
-            {
-                List<string> pre_aid = new List<string>();
-                string xml = File.ReadAllText(Get_anidb_xml_file());
-                int x = 0;
-                string s1 = "-";
-                string s2 = "-";
-                while (!string.IsNullOrEmpty(s1) && !string.IsNullOrEmpty(s2))
-                {
-                    s1 = await One_line_regex(new Regex("<anime aid=" + "\"" + @"(\d+)" + "\"" + @">(?>[^<>]+|<(?!\/anime>)[^<>]*>)*?" + Regex.Escape(await Half_string(a, cancellationToken, 4))), xml, cancellationToken, 1, x);
-                    if (s1 != "")
-                    {
-                        pre_aid.Add(s1);
-                    }
-                    s2 = await One_line_regex(new Regex("<anime aid=" + "\"" + @"(\d+)" + "\"" + @">(?>[^<>]+|<(?!\/anime>)[^<>]*>)*?" + Regex.Escape(await Half_string(b, cancellationToken, 4))), xml, cancellationToken, 1, x);
-                    if (s1 != "")
-                    {
-                        if (s1 != s2)
-                        {
-                            pre_aid.Add(s2);
-                        }
-                    }
-                    x++;
-                }
-                if (pre_aid.Count == 1)
-                {
-                    if (!string.IsNullOrEmpty(pre_aid[0]))
-                    {
-                        return pre_aid[0];
-                    }
-                }
-                int biggestcount = 0;
-                string cache_aid="";
-                if (a == b)
-                {
-                    foreach (string _aid in pre_aid)
-                    {
-                       string result= await One_line_regex(new Regex(@"<anime aid=" + "\"" + _aid + "\"" + @"((?s).*?)<\/anime>"), xml, cancellationToken);
-                       int count = (result.Length - result.Replace(a, "").Length)/a.Length;
-                       if(biggestcount< count)
-                       {
-                            biggestcount = count;
-                            cache_aid =_aid;
-                       }
-                    }
-                    if (!string.IsNullOrEmpty(cache_aid))
-                    {
-                        return cache_aid;
-                    }
-                }
-                foreach (string _aid in pre_aid)
-                {
-                    XElement doc = XElement.Parse("<?xml version=\"1.0\" encoding=\"UTF - 8\"?>" + "<animetitles>" +await One_line_regex(new Regex("<anime aid=\"" + _aid + "\">" + @"(?s)(.*?)<\/anime>"), xml, cancellationToken,0, 0) + "</animetitles>");
-                    var a_ = from page in doc.Elements("anime")
-                             where _aid == page.Attribute("aid").Value
-                             select page;
+            var results = await XmlSearch(name, cancellationToken);
 
-                    if (await Simple_compare(a_.Elements("title"), b, cancellationToken) && await Simple_compare(a_.Elements("title"), a, cancellationToken))
+            if (results.Count == 1)
             {
-                        return _aid;
+                return results[0];
             }
-                }
-                return "";
-            }
-            catch (Exception)
+
+            string xml = File.ReadAllText(GetAnidbXml());
+            int lowestDistance = Plugin.Instance.Configuration.TitleSimilarityThreshold;
+            string currentId = "";
+            foreach (string id in results)
             {
-                if (x_ == 1)
+                string nameXmlFromId = await OneLineRegex(@"<anime aid=""" + id + @"""((?s).*?)<\/anime>", xml, cancellationToken);
+
+                string[] lines = nameXmlFromId.Split(
+                    new string[] { "\r\n", "\r", "\n" },
+                    StringSplitOptions.None
+                );
+
+                foreach (string line in lines)
                 {
-                    return "";
-                }
-                else
+                    string nameFromId = await OneLineRegex(@"<title.*>([^<]+)</title>", line, cancellationToken);
+
+                    if (!String.IsNullOrEmpty(nameFromId))
                     {
-                    await Task.Run(() => AniDbTitleDownloader.Load_static(cancellationToken), cancellationToken);
-                    return await Fast_xml_search(a, b, cancellationToken, true, 1);
+                        int stringDistance = LevenshteinDistance(name, nameFromId);
+                        if (lowestDistance > stringDistance)
+                        {
+                            lowestDistance = stringDistance;
+                            currentId = id;
                         }
                     }
                 }
+            }
+            return currentId;
+        }
+
+        /// <summary>
+        /// Calculates the Levenshtein distance - a metric for measuring the difference between two strings.
+        /// The higher the number, the more different the two strings are.
+        /// </summary>
+        private static int LevenshteinDistance(string str1, string str2)
+        {
+            var str1Length = str1.Length;
+            var str2Length = str2.Length;
+
+            if (str1Length == 0)
+                return str2Length;
+
+            if (str2Length == 0)
+                return str1Length;
+
+            var matrix = new int[str1Length + 1, str2Length + 1];
+
+            for (var i = 0; i <= str1Length; matrix[i, 0] = i++) { }
+            for (var j = 0; j <= str2Length; matrix[0, j] = j++) { }
+            for (var i = 1; i <= str1Length; i++)
+            {
+                for (var j = 1; j <= str2Length; j++)
+                {
+                    var cost = (str2[j - 1] == str1[i - 1]) ? 0 : 1;
+                    matrix[i, j] = Math.Min(
+                        Math.Min(matrix[i - 1, j] + 1, matrix[i, j - 1] + 1),
+                        matrix[i - 1, j - 1] + cost);
+                }
+            }
+            return matrix[str1Length, str2Length];
+        }
 
         /// <summary>
         /// get file Path from anidb xml file
         /// </summary>
         /// <returns></returns>
-        private static string Get_anidb_xml_file()
+        private static string GetAnidbXml()
         {
             return AniDbTitleDownloader.TitlesFilePath_;
         }
-
-        /// <summary>
-        /// Compare 2 Strings, and it just works
-        /// SeriesA S2 == SeriesA Second Season | True;
-        /// </summary>
-        private async static Task<bool> Simple_compare(string a, string b, CancellationToken cancellationToken, bool fastmode = false)
-        {
-            if (fastmode)
-            {
-                if (a[0] == b[0])
-                {
-                }
-                else
-                {
-                    return false;
-                }
-            }
-
-            if (await Core_compare(a, b, cancellationToken))
-                return true;
-            if (await Core_compare(b, a, cancellationToken))
-                return true;
-
-            return false;
-        }
-
-        /// <summary>
-        /// Compare 2 Strings, and it just works
-        /// </summary>
-        private async static Task<bool> Core_compare(string a, string b, CancellationToken cancellationToken)
-        {
-            if (a == b)
-                return true;
-
-            a = a.ToLower().Replace(" ", "").Trim().Replace(".", "");
-            b = b.ToLower().Replace(" ", "").Trim().Replace(".", "");
-
-            if (await Clear_name(a, cancellationToken) == await Clear_name(b, cancellationToken))
-                return true;
-            if (await Clear_name_step2(a, cancellationToken) == await Clear_name_step2(b, cancellationToken))
-                return true;
-            if (a.Replace("-", " ") == b.Replace("-", " "))
-                return true;
-            if (a.Replace(" 2", ":secondseason") == b.Replace(" 2", ":secondseason"))
-                return true;
-            if (a.Replace("2", "secondseason") == b.Replace("2", "secondseason"))
-                return true;
-            if (await Convert_symbols_too_numbers(a, "I", cancellationToken) == await Convert_symbols_too_numbers(b, "I", cancellationToken))
-                return true;
-            if (await Convert_symbols_too_numbers(a, "!", cancellationToken) == await Convert_symbols_too_numbers(b, "!", cancellationToken))
-                return true;
-            if (a.Replace("ndseason", "") == b.Replace("ndseason", ""))
-                return true;
-            if (a.Replace("ndseason", "") == b)
-                return true;
-            if (await One_line_regex(new Regex(@"((.*)s([0 - 9]))"), a, cancellationToken, 2) + await One_line_regex(new Regex(@"((.*)s([0 - 9]))"), a, cancellationToken, 3) == await One_line_regex(new Regex(@"((.*)s([0 - 9]))"), b, cancellationToken, 2) + await One_line_regex(new Regex(@"((.*)s([0 - 9]))"), b, cancellationToken, 3))
-                if (!string.IsNullOrEmpty(await One_line_regex(new Regex(@"((.*)s([0 - 9]))"), a, cancellationToken, 2) + await One_line_regex(new Regex(@"((.*)s([0 - 9]))"), a, cancellationToken, 3)))
-                    return true;
-            if (await One_line_regex(new Regex(@"((.*)s([0 - 9]))"), a, cancellationToken, 2) + await One_line_regex(new Regex(@"((.*)s([0 - 9]))"), a, cancellationToken, 3) == b)
-                if (!string.IsNullOrEmpty(await One_line_regex(new Regex(@"((.*)s([0 - 9]))"), a, cancellationToken, 2) + await One_line_regex(new Regex(@"((.*)s([0 - 9]))"), a, cancellationToken, 3)))
-                    return true;
-            if (a.Replace("rdseason", "") == b.Replace("rdseason", ""))
-                return true;
-            if (a.Replace("rdseason", "") == b)
-                return true;
-            try
-            {
-                if (a.Replace("2", "secondseason").Replace(await One_line_regex(new Regex(@"(?s)\(.*?\)"), a, cancellationToken, 0), "") == b.Replace("2", "secondseason").Replace(await One_line_regex(new Regex(@"(?s)\(.*?\)"), b, cancellationToken, 0), ""))
-                    return true;
-            }
-            catch (Exception)
-            {
-            }
-            try
-            {
-                if (a.Replace("2", "secondseason").Replace(await One_line_regex(new Regex(@"(?s)\(.*?\)"), a, cancellationToken, 0), "") == b)
-                    return true;
-            }
-            catch (Exception)
-            {
-            }
-            try
-            {
-                if (a.Replace(" 2", ":secondseason").Replace(await One_line_regex(new Regex(@"(?s)\(.*?\)"), a, cancellationToken, 0), "") == b.Replace(" 2", ":secondseason").Replace(await One_line_regex(new Regex(@"(?s)\(.*?\)"), b, cancellationToken, 0), ""))
-                    return true;
-            }
-            catch (Exception)
-            {
-            }
-            try
-            {
-                if (a.Replace(" 2", ":secondseason").Replace(await One_line_regex(new Regex(@"(?s)\(.*?\)"), a, cancellationToken, 0), "") == b)
-                    return true;
-            }
-            catch (Exception)
-            {
-            }
-            try
-            {
-                if (a.Replace(await One_line_regex(new Regex(@"(?s)\(.*?\)"), a, cancellationToken, 0), "") == b.Replace(await One_line_regex(new Regex(@"(?s)\(.*?\)"), b, cancellationToken, 0), ""))
-                    return true;
-            }
-            catch (Exception)
-            {
-            }
-            try
-            {
-                if (a.Replace(await One_line_regex(new Regex(@"(?s)\(.*?\)"), a, cancellationToken, 0), "") == b)
-                    return true;
-            }
-            catch (Exception)
-            {
-            }
-            try
-            {
-                if (b.Replace(await One_line_regex(new Regex(@"(?s)\(.*?\)"), b, cancellationToken, 0), "").Replace("  2", ": second Season") == a)
-                    return true;
-            }
-            catch (Exception)
-            {
-            }
-            try
-            {
-                if (a.Replace(" 2ndseason", ":secondseason") + " vs " + b == a)
-                    return true;
-            }
-            catch (Exception)
-            {
-            }
-            try
-            {
-                if (a.Replace(await One_line_regex(new Regex(@"(?s)\(.*?\)"), a, cancellationToken, 0), "").Replace("  2", ":secondseason") == b)
-                    return true;
-            }
-            catch (Exception)
-            {
-            }
-            return false;
-        }
-
-        /// <summary>
-        /// Example: Convert II to 2
-        /// </summary>
-        /// <param name="input"></param>
-        /// <param name="symbol"></param>
-        /// <returns></returns>
-        private async static Task<string> Convert_symbols_too_numbers(string input, string symbol, CancellationToken cancellationToken)
-        {
-            try
-            {
-                string regex_c = "_";
-                int x = 0;
-                int highest_number = 0;
-                while (!string.IsNullOrEmpty(regex_c))
-                {
-                    regex_c = (await One_line_regex(new Regex(@"(" + symbol + @"+)"), input.ToLower().Trim(), cancellationToken, 1, x)).Trim();
-                    if (highest_number < regex_c.Count())
-                        highest_number = regex_c.Count();
-                    x++;
-                }
-                x = 0;
-                string output = "";
-                while (x != highest_number)
-                {
-                    output = output + symbol;
-                    x++;
-                }
-                output = input.Replace(output, highest_number.ToString());
-                if (string.IsNullOrEmpty(output))
-                {
-                    output = input;
-                }
-                return output;
-            }
-            catch (Exception)
-            {
-                return input;
-            }
-        }
-
-        /// <summary>
-        /// Simple Compare a XElemtent with a string
-        /// </summary>
-        /// <param name="a_"></param>
-        /// <param name="b"></param>
-        /// <returns></returns>
-        private async static Task<bool> Simple_compare(IEnumerable<XElement> a_, string b, CancellationToken cancellationToken)
-        {
-            bool ignore_date = true;
-            string a_date = "";
-            string b_date = "";
-
-            string b_date_ = await One_line_regex(new Regex(@"([0-9][0-9][0-9][0-9])"), b, cancellationToken);
-            if (!string.IsNullOrEmpty(b_date_))
-            {
-                b_date = b_date_;
-            }
-            if (!string.IsNullOrEmpty(b_date))
-            {
-                foreach (XElement a in a_)
-                {
-                    if (ignore_date)
-                    {
-                        string a_date_ = await One_line_regex(new Regex(@"([0-9][0-9][0-9][0-9])"), a.Value, cancellationToken);
-                        if (!string.IsNullOrEmpty(a_date_))
-                        {
-                            a_date = a_date_;
-                            ignore_date = false;
-                        }
-                    }
-                }
-            }
-            if (!ignore_date)
-            {
-                if (a_date.Trim()==b_date.Trim())
-                {
-                    foreach (XElement a in a_)
-                    {
-                            if (await Simple_compare(a.Value, b, cancellationToken, true))
-                                return true;
-                    }
-                }
-                else
-                {
-                    return false;
-                }
-                return false;
-            }
-            else
-            {
-                foreach (XElement a in a_)
-                {
-                    if (ignore_date)
-                    {
-                        if (await Simple_compare(a.Value, b, cancellationToken, true))
-                            return true;
-                    }
-                }
-                return false;
-            }
-        }
     }
 }