add another parser case and allow parsing of seasonless

Add another parser case and we now allow parsing of seasonless series which hopefully should cover more cases of directory structure

Emby.Naming/Common/NamingOptions.cs

@@ -328,6 +328,10 @@ namespace Emby.Naming.Common
 
                 // *** End Kodi Standard Naming
 
+                // [bar] Foo - 1 [baz]
+                new EpisodeExpression(@".*?(\[.*?\])+.*?(?<seriesname>(\w+\s)+?)[-\s_]+(?<epnumber>\d{1,3}).*$"){
+                    IsNamed=false,
+                },
                 new EpisodeExpression(@".*(\\|\/)[sS]?(?<seasonnumber>\d{1,4})[xX](?<epnumber>\d{1,3})[^\\\/]*$")
                 {
                     IsNamed = true
@@ -654,9 +658,9 @@ namespace Emby.Naming.Common
                 @".*(\\|\/)(?<seriesname>[^\\\/]*)[sS](?<seasonnumber>\d{1,4})[xX\.]?[eE](?<epnumber>\d{1,3})((-| - )?[xXeE](?<endingepnumber>\d{1,3}))+[^\\\/]*$",
                 @".*(\\|\/)(?<seriesname>[^\\\/]*)[sS](?<seasonnumber>\d{1,4})[xX\.]?[eE](?<epnumber>\d{1,3})(-[xX]?[eE]?(?<endingepnumber>\d{1,3}))+[^\\\/]*$"
             }.Select(i => new EpisodeExpression(i)
-                {
-                    IsNamed = true
-                }).ToArray();
+            {
+                IsNamed = true
+            }).ToArray();
 
             VideoFileExtensions = extensions
                 .Distinct(StringComparer.OrdinalIgnoreCase)

Emby.Server.Implementations/Library/LibraryManager.cs

@@ -1899,7 +1899,7 @@ namespace Emby.Server.Implementations.Library
         /// <param name="cancellationToken">The cancellation token.</param>
         public void UpdateItem(BaseItem item, BaseItem parent, ItemUpdateType updateReason, CancellationToken cancellationToken)
         {
-            UpdateItems(new [] { item }, parent, updateReason, cancellationToken);
+            UpdateItems(new[] { item }, parent, updateReason, cancellationToken);
         }
 
         /// <summary>
@@ -2487,6 +2487,10 @@ namespace Emby.Server.Implementations.Library
                 {
                     episode.ParentIndexNumber = season.IndexNumber;
                 }
+                else
+                {
+                    episode.ParentIndexNumber = 1;
+                }
 
                 if (episode.ParentIndexNumber.HasValue)
                 {

tests/Jellyfin.Naming.Tests/EpisodePathParserTest.cs

@@ -30,12 +30,13 @@ namespace Emby.Naming.TV
         }
 
         [Theory]
-        [InlineData("/media/Foo/Foo 889.avi", "Foo", 889)]
+        [InlineData("/media/Foo/Foo 889", "Foo", 889)]
+        [InlineData("/media/Foo/[Bar] Foo Baz - 11 [1080p]", "Foo Baz", 11)]
         public void ParseEpisodeWithoutSeason(string path, string name, int episode)
         {
             NamingOptions o = new NamingOptions();
             EpisodePathParser p = new EpisodePathParser(o);
-            var res = p.Parse(path, false, null, null, true);
+            var res = p.Parse(path, true, null, null, true);
 
             Assert.True(res.Success);
             Assert.Equal(name, res.SeriesName);