Use ISubCommand for subcommands

Pal.Client/Commands/ISubCommand.cs

@@ -0,0 +1,10 @@
+using System;
+using System.Collections.Generic;
+
+namespace Pal.Client.Commands
+{
+    public interface ISubCommand
+    {
+        IReadOnlyDictionary<string, Action<string>> GetHandlers();
+    }
+}

Pal.Client/Commands/PalConfigCommand.cs

@@ -1,10 +1,11 @@
-using Dalamud.Interface.Windowing;
+using System;
+using System.Collections.Generic;
 using Pal.Client.Configuration;
 using Pal.Client.Windows;
 
 namespace Pal.Client.Commands
 {
-    internal class PalConfigCommand
+    internal class PalConfigCommand : ISubCommand
     {
         private readonly IPalacePalConfiguration _configuration;
         private readonly AgreementWindow _agreementWindow;
@@ -20,7 +21,15 @@ namespace Pal.Client.Commands
             _configWindow = configWindow;
         }
 
-        public void Execute()
+
+        public IReadOnlyDictionary<string, Action<string>> GetHandlers()
+            => new Dictionary<string, Action<string>>
+            {
+                { "config", _ => Execute() },
+                { "", _ => Execute() }
+            };
+
+        private void Execute()
         {
             if (_configuration.FirstUse)
                 _agreementWindow.IsOpen = true;

Pal.Client/Commands/PalNearCommand.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using Dalamud.Game.ClientState;
 using Pal.Client.DependencyInjection;
@@ -8,7 +9,7 @@ using Pal.Client.Rendering;
 
 namespace Pal.Client.Commands
 {
-    internal sealed class PalNearCommand
+    internal sealed class PalNearCommand : ISubCommand
     {
         private readonly Chat _chat;
         private readonly ClientState _clientState;
@@ -24,23 +25,14 @@ namespace Pal.Client.Commands
             _floorService = floorService;
         }
 
-        public void Execute(string arguments)
-        {
-            switch (arguments)
+
+        public IReadOnlyDictionary<string, Action<string>> GetHandlers()
+            => new Dictionary<string, Action<string>>
             {
-                default:
-                    DebugNearest(_ => true);
-                    break;
-
-                case "tnear":
-                    DebugNearest(m => m.Type == MemoryLocation.EType.Trap);
-                    break;
-
-                case "hnear":
-                    DebugNearest(m => m.Type == MemoryLocation.EType.Hoard);
-                    break;
-            }
-        }
+                { "near", _ => DebugNearest(_ => true) },
+                { "tnear", _ => DebugNearest(m => m.Type == MemoryLocation.EType.Trap) },
+                { "hnear", _ => DebugNearest(m => m.Type == MemoryLocation.EType.Hoard) },
+            };
 
         private void DebugNearest(Predicate<PersistentLocation> predicate)
         {
@@ -54,7 +46,7 @@ namespace Pal.Client.Commands
             var playerPosition = _clientState.LocalPlayer?.Position;
             if (playerPosition == null)
                 return;
-            _chat.Message($"{playerPosition}");
+            _chat.Message($"Your position: {playerPosition}");
 
             var nearbyMarkers = state.Locations
                 .Where(m => predicate(m))

Pal.Client/Commands/PalStatsCommand.cs

@@ -1,9 +1,10 @@
 using System;
+using System.Collections.Generic;
 using Pal.Client.DependencyInjection;
 
 namespace Pal.Client.Commands
 {
-    internal sealed class PalStatsCommand
+    internal sealed class PalStatsCommand : ISubCommand
     {
         private readonly StatisticsService _statisticsService;
 
@@ -12,7 +13,13 @@ namespace Pal.Client.Commands
             _statisticsService = statisticsService;
         }
 
-        public void Execute()
+        public IReadOnlyDictionary<string, Action<string>> GetHandlers()
+            => new Dictionary<string, Action<string>>
+            {
+                { "stats", _ => Execute() },
+            };
+
+        private void Execute()
             => _statisticsService.ShowGlobalStatistics();
     }
 }

Pal.Client/Commands/PalTestConnectionCommand.cs

@@ -1,9 +1,11 @@
-using ECommons.Schedulers;
+using System;
+using System.Collections.Generic;
+using ECommons.Schedulers;
 using Pal.Client.Windows;
 
 namespace Pal.Client.Commands
 {
-    internal sealed class PalTestConnectionCommand
+    internal sealed class PalTestConnectionCommand : ISubCommand
     {
         private readonly ConfigWindow _configWindow;
 
@@ -12,7 +14,14 @@ namespace Pal.Client.Commands
             _configWindow = configWindow;
         }
 
-        public void Execute()
+        public IReadOnlyDictionary<string, Action<string>> GetHandlers()
+            => new Dictionary<string, Action<string>>
+            {
+                { "test-connection", _ => Execute() },
+                { "tc", _ => Execute() },
+            };
+
+        private void Execute()
         {
             var _ = new TickScheduler(() => _configWindow.TestConnection());
         }

Pal.Client/DependencyContextInitializer.cs

@@ -69,10 +69,7 @@ namespace Pal.Client
             _serviceProvider.GetRequiredService<ChatService>();
 
             // eager load any commands to find errors now, not when running them
-            _serviceProvider.GetRequiredService<PalConfigCommand>();
-            _serviceProvider.GetRequiredService<PalNearCommand>();
-            _serviceProvider.GetRequiredService<PalStatsCommand>();
-            _serviceProvider.GetRequiredService<PalTestConnectionCommand>();
+            _serviceProvider.GetRequiredService<IEnumerable<ISubCommand>>();
 
             cancellationToken.ThrowIfCancellationRequested();
 

Pal.Client/DependencyInjectionContext.cs

@@ -113,10 +113,10 @@ namespace Pal.Client
             _serviceCollection.AddTransient<RepoVerification>();
 
             // commands
-            _serviceCollection.AddScoped<PalConfigCommand>();
-            _serviceCollection.AddScoped<PalNearCommand>();
-            _serviceCollection.AddScoped<PalStatsCommand>();
-            _serviceCollection.AddScoped<PalTestConnectionCommand>();
+            _serviceCollection.AddScoped<ISubCommand, PalConfigCommand>();
+            _serviceCollection.AddScoped<ISubCommand, PalNearCommand>();
+            _serviceCollection.AddScoped<ISubCommand, PalStatsCommand>();
+            _serviceCollection.AddScoped<ISubCommand, PalTestConnectionCommand>();
 
             // territory & marker related services
             _serviceCollection.AddScoped<TerritoryState>();

Pal.Client/Plugin.cs

@@ -2,6 +2,7 @@
 using Dalamud.Plugin;
 using Pal.Client.Rendering;
 using System;
+using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
 using System.Threading;
@@ -165,45 +166,36 @@ namespace Pal.Client
                         return;
                     }
 
-                    var sp = rootScope.ServiceProvider;
-
-                    switch (arguments)
-                    {
-                        case "":
-                        case "config":
-                            sp.GetRequiredService<PalConfigCommand>().Execute();
-                            break;
-
-                        case "stats":
-                            sp.GetRequiredService<PalStatsCommand>().Execute();
-                            break;
-
-                        case "tc":
-                        case "test-connection":
-                            sp.GetRequiredService<PalTestConnectionCommand>().Execute();
-                            break;
-
-                        case "near":
-                        case "tnear":
-                        case "hnear":
-                            sp.GetRequiredService<PalNearCommand>().Execute(arguments);
-                            break;
-
-                        default:
-                            chat.Error(string.Format(Localization.Command_pal_UnknownSubcommand, arguments,
+                    Action<string> commandHandler = rootScope.ServiceProvider
+                        .GetRequiredService<IEnumerable<ISubCommand>>()
+                        .SelectMany(cmd => cmd.GetHandlers())
+                        .Where(cmd => cmd.Key == arguments.ToLowerInvariant())
+                        .Select(cmd => cmd.Value)
+                        .SingleOrDefault(missingCommand =>
+                        {
+                            chat.Error(string.Format(Localization.Command_pal_UnknownSubcommand, missingCommand,
                                 command));
-                            break;
-                    }
+                        });
+                    commandHandler.Invoke(arguments);
                 }
                 catch (Exception e)
                 {
+                    _logger.LogError(e, "Could not execute command '{Command}' with arguments '{Arguments}'", command,
+                        arguments);
                     chat.Error(e.ToString());
                 }
             });
         }
 
         private void OpenConfigUi()
-            => _rootScope!.ServiceProvider.GetRequiredService<PalConfigCommand>().Execute();
+        {
+            _rootScope!.ServiceProvider.GetRequiredService<IEnumerable<ISubCommand>>()
+                .SelectMany(cmd => cmd.GetHandlers())
+                .Where(cmd => cmd.Key == "config")
+                .Select(cmd => cmd.Value)
+                .Single()
+                .Invoke("config");
+        }
 
         private void LanguageChanged(string languageCode)
         {