From c3280320da3b00fbdcb1410d3fbe5c7003b8898e Mon Sep 17 00:00:00 2001
From: erri120 <erri120@protonmail.com>
Date: Wed, 6 Sep 2023 15:14:41 +0200
Subject: [PATCH] more highlighting

---
 .../GuidedInstallerStepDesignViewModel.cs     | 16 ++++-
 .../Step/GuidedInstallerStepView.axaml.cs     |  7 ++-
 .../Step/GuidedInstallerStepViewModel.cs      | 58 +++++++++++++++++++
 3 files changed, 79 insertions(+), 2 deletions(-)

diff --git a/src/Games/NexusMods.Games.FOMOD.UI/Step/GuidedInstallerStepDesignViewModel.cs b/src/Games/NexusMods.Games.FOMOD.UI/Step/GuidedInstallerStepDesignViewModel.cs
index 19b7668aba..200cc99592 100644
--- a/src/Games/NexusMods.Games.FOMOD.UI/Step/GuidedInstallerStepDesignViewModel.cs
+++ b/src/Games/NexusMods.Games.FOMOD.UI/Step/GuidedInstallerStepDesignViewModel.cs
@@ -1,4 +1,6 @@
 using System.Reactive;
+using System.Reactive.Disposables;
+using System.Reactive.Linq;
 using NexusMods.App.UI;
 using NexusMods.Common.GuidedInstaller;
 using NexusMods.Common.GuidedInstaller.ValueObjects;
@@ -25,7 +27,19 @@ public GuidedInstallerStepDesignViewModel()
         Groups = step.Groups
             .Select(group => (IGuidedInstallerGroupViewModel)new GuidedInstallerGroupDesignViewModel(group))
             .ToArray();
-        HighlightedOption = step.Groups[0].Options[0];
+
+        this.WhenActivated(disposables =>
+        {
+            Groups
+                .Select(groupVM => groupVM
+                    .WhenAnyValue(x => x.HighlightedOption))
+                .CombineLatest()
+                .SubscribeWithErrorLogging(logger: default, options =>
+                {
+                    HighlightedOption = options.FirstOrDefault();
+                })
+                .DisposeWith(disposables);
+        });
     }
 
     private static GuidedInstallationStep SetupInstallationStep()
diff --git a/src/Games/NexusMods.Games.FOMOD.UI/Step/GuidedInstallerStepView.axaml.cs b/src/Games/NexusMods.Games.FOMOD.UI/Step/GuidedInstallerStepView.axaml.cs
index 83c81976e0..ddd13ae95b 100644
--- a/src/Games/NexusMods.Games.FOMOD.UI/Step/GuidedInstallerStepView.axaml.cs
+++ b/src/Games/NexusMods.Games.FOMOD.UI/Step/GuidedInstallerStepView.axaml.cs
@@ -1,5 +1,6 @@
 using System.Reactive.Disposables;
 using Avalonia.ReactiveUI;
+using NexusMods.App.UI;
 using ReactiveUI;
 
 namespace NexusMods.Games.FOMOD.UI;
@@ -15,7 +16,11 @@ public GuidedInstallerStepView()
             this.OneWayBind(ViewModel, vm => vm.InstallationStep!.Name, view => view.StepName.Text)
                 .DisposeWith(disposables);
 
-            this.OneWayBind(ViewModel, vm => vm.HighlightedOption!.Description, view => view.HighlightedOptionDescription.Text)
+            this.WhenAnyValue(x => x.ViewModel!.HighlightedOption)
+                .SubscribeWithErrorLogging(logger: default, option =>
+                {
+                    HighlightedOptionDescription.Text = option?.Description ?? string.Empty;
+                })
                 .DisposeWith(disposables);
 
             this.OneWayBind(ViewModel, vm => vm.Groups, view => view.GroupItemsControl.ItemsSource)
diff --git a/src/Games/NexusMods.Games.FOMOD.UI/Step/GuidedInstallerStepViewModel.cs b/src/Games/NexusMods.Games.FOMOD.UI/Step/GuidedInstallerStepViewModel.cs
index b8c1ea6184..de05351559 100644
--- a/src/Games/NexusMods.Games.FOMOD.UI/Step/GuidedInstallerStepViewModel.cs
+++ b/src/Games/NexusMods.Games.FOMOD.UI/Step/GuidedInstallerStepViewModel.cs
@@ -65,6 +65,64 @@ public GuidedInstallerStepViewModel(ILogger<GuidedInstallerStepViewModel> logger
                         .ToArray();
                 })
                 .DisposeWith(disposables);
+
+            this.WhenAnyValue(x => x.Groups)
+                .Where(x => x.Length != 0)
+                .Select(groupVMs => groupVMs
+                    .Select(groupVM => groupVM
+                        .WhenAnyValue(x => x.HighlightedOption)
+                    )
+                    .CombineLatest()
+                )
+                .SubscribeWithErrorLogging(logger: default, observable =>
+                {
+                    // TODO: clean this up
+                    observable
+                        .SubscribeWithErrorLogging(logger: default, options =>
+                        {
+                            HighlightedOption = options.FirstOrDefault();
+                        })
+                        .DisposeWith(disposables);
+                })
+                .DisposeWith(disposables);
+
+            // Groups
+            //     .Select(groupVM => groupVM
+            //         .WhenAnyValue(x => x.HighlightedOption)
+            //     )
+            //     .CombineLatest()
+            //     // .SelectMany(x => x)
+            //     .SubscribeWithErrorLogging(logger: default, options =>
+            //     {
+            //         HighlightedOption = options.FirstOrDefault(x => x is not null);
+            //     })
+            //     .DisposeWith(disposables);
+
+            // Groups
+            //     .Select(groupVM => groupVM
+            //         .WhenAnyValue(x => x.HighlightedOption)
+            //         .Select(x => (groupVM, option: x))
+            //     )
+            //     .CombineLatest()
+            //     .SubscribeWithErrorLogging(logger: default, options =>
+            //     {
+            //         var previousOption = HighlightedOption;
+            //         if (previousOption is null)
+            //         {
+            //             HighlightedOption = options
+            //                 .Select(x => x.option)
+            //                 .FirstOrDefault(x => x is not null);
+            //             return;
+            //         }
+            //
+            //         var highlightedOptions = options
+            //             .Where(x => x.option is not null)
+            //             .Select(x => x)
+            //             .ToArray();
+            //
+            //
+            //     })
+            //     .DisposeWith(disposables);
         });
     }
 }