Implements a mix of #3 and #7

Adds a preset command which can be used to see available presets
Adds preset filters which can be used to specify item sub-categories within a preset
Removes SWORD_SMITH and RANGED_SMITH, as those are replaced by the RANGED and SWORD filters
Adds a list of usable filters for each preset

src/main/java/net/knarcraft/blacksmith/command/BlackSmithConfigCommand.java

@@ -7,7 +7,6 @@ import net.knarcraft.blacksmith.config.NPCSetting;
 import net.knarcraft.blacksmith.config.SettingValueType;
 import net.knarcraft.blacksmith.formatting.ItemType;
 import net.knarcraft.blacksmith.formatting.TranslatableMessage;
-import net.knarcraft.blacksmith.formatting.Translator;
 import net.knarcraft.blacksmith.util.InputParsingHelper;
 import net.knarcraft.blacksmith.util.TypeValidationHelper;
 import net.md_5.bungee.api.ChatColor;
@@ -44,8 +43,7 @@ public class BlackSmithConfigCommand implements CommandExecutor {
 
         //Changing reforge-able items' default isn't recommended
         if (commandName.equalsIgnoreCase(NPCSetting.REFORGE_ABLE_ITEMS.getCommandName())) {
-            displayErrorMessage(sender,
-                    Translator.getTranslatedMessage(TranslatableMessage.DEFAULT_REFORGE_ABLE_ITEMS_UNCHANGEABLE));
+            displayErrorMessage(sender, TranslatableMessage.DEFAULT_REFORGE_ABLE_ITEMS_UNCHANGEABLE);
             return false;
         }
 

src/main/java/net/knarcraft/blacksmith/command/BlackSmithEditCommand.java

@@ -7,7 +7,6 @@ import net.knarcraft.blacksmith.config.NPCSetting;
 import net.knarcraft.blacksmith.config.SettingValueType;
 import net.knarcraft.blacksmith.formatting.StringFormatter;
 import net.knarcraft.blacksmith.formatting.TranslatableMessage;
-import net.knarcraft.blacksmith.formatting.Translator;
 import net.knarcraft.blacksmith.trait.BlacksmithTrait;
 import net.knarcraft.blacksmith.util.TypeValidationHelper;
 import net.md_5.bungee.api.ChatColor;
@@ -30,8 +29,7 @@ public class BlackSmithEditCommand implements CommandExecutor {
                              @NotNull String[] args) {
         NPC npc = CitizensAPI.getDefaultNPCSelector().getSelected(sender);
         if (npc == null || !npc.hasTrait(BlacksmithTrait.class)) {
-            StringFormatter.displayErrorMessage(sender,
-                    Translator.getTranslatedMessage(TranslatableMessage.NO_NPC_SELECTED));
+            StringFormatter.displayErrorMessage(sender, TranslatableMessage.NO_NPC_SELECTED);
             return true;
         }
 

src/main/java/net/knarcraft/blacksmith/command/PresetCommand.java

@@ -0,0 +1,65 @@
+package net.knarcraft.blacksmith.command;
+
+import net.knarcraft.blacksmith.config.SmithPreset;
+import net.knarcraft.blacksmith.config.SmithPresetFilter;
+import net.knarcraft.blacksmith.formatting.StringFormatter;
+import net.knarcraft.blacksmith.formatting.TranslatableMessage;
+import net.knarcraft.blacksmith.formatting.Translator;
+import org.bukkit.Material;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static net.knarcraft.blacksmith.formatting.StringFormatter.displayErrorMessage;
+import static net.knarcraft.blacksmith.formatting.StringFormatter.displaySuccessMessage;
+
+/**
+ * The command for displaying which materials are contained in a preset
+ */
+public class PresetCommand implements CommandExecutor {
+
+    @Override
+    public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label,
+                             @NotNull String[] args) {
+        if (args.length < 1) {
+            return false;
+        }
+
+        String presetName = args[0].toUpperCase().replace('-', '_');
+        List<Material> includedMaterials;
+
+        try {
+            //Display the preset with the filter applied
+            if (presetName.contains(":")) {
+                String[] parts = presetName.split(":");
+                SmithPreset smithPreset = SmithPreset.valueOf(parts[0]);
+                SmithPresetFilter filter = SmithPresetFilter.valueOf(parts[1]);
+
+                if (!smithPreset.supportsFilter(filter)) {
+                    displayErrorMessage(sender, TranslatableMessage.INVALID_FILTER_FOR_PRESET);
+                    return false;
+                }
+                includedMaterials = smithPreset.getFilteredMaterials(filter);
+            } else {
+                includedMaterials = SmithPreset.valueOf(presetName).getMaterials();
+            }
+        } catch (IllegalArgumentException exception) {
+            displayErrorMessage(sender, TranslatableMessage.INVALID_PRESET_OR_FILTER);
+            return false;
+        }
+
+        //Convert materials to strings before output
+        List<String> materialNames = new ArrayList<>();
+        for (Material material : includedMaterials) {
+            materialNames.add(material.name());
+        }
+        displaySuccessMessage(sender, StringFormatter.replacePlaceholder(Translator.getTranslatedMessage(
+                TranslatableMessage.PRESET_MATERIALS), "{materials}", String.join(", ", materialNames)));
+        return true;
+    }
+
+}

src/main/java/net/knarcraft/blacksmith/command/PresetTabCompleter.java

@@ -0,0 +1,60 @@
+package net.knarcraft.blacksmith.command;
+
+import net.knarcraft.blacksmith.config.SmithPreset;
+import net.knarcraft.blacksmith.config.SmithPresetFilter;
+import net.knarcraft.blacksmith.util.TabCompletionHelper;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.command.TabCompleter;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * The tab-completer for the preset command
+ */
+public class PresetTabCompleter implements TabCompleter {
+
+    @Nullable
+    @Override
+    public List<String> onTabComplete(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label,
+                                      @NotNull String[] args) {
+        //Only one argument is expected
+        if (args.length > 1) {
+            return new ArrayList<>();
+        }
+        //If no preset has been fully matched, tab-complete for presets.
+        //If a preset has been fully matched, tab-complete for applicable filters
+
+        String input = args[0].toUpperCase().replace('-', '_');
+
+        List<String> completions = new ArrayList<>();
+        String filterString = "";
+
+        if (input.contains(":")) {
+            String[] parts = input.split(":");
+            input = parts[0];
+            filterString = parts.length > 1 ? parts[1] : "";
+        }
+
+        //Add tab-completions for all supported filters
+        try {
+            List<SmithPresetFilter> filters = SmithPreset.valueOf(input).getSupportedFilters();
+            for (SmithPresetFilter filter : filters) {
+                if (filterString.isEmpty() || filter.name().contains(filterString)) {
+                    completions.add(input + ":" + filter.name());
+                }
+            }
+        } catch (IllegalArgumentException ignored) {
+            /* An illegal argument exception here simply means that the user has typed an unrecognized smith preset.
+               This can be safely ignored, as it simply means no filter tab-completions are necessary. */
+        }
+
+        //Adds all default completions
+        completions.addAll(TabCompletionHelper.filterMatchingContains(SmithPreset.getPresetNames(), input));
+        return completions;
+    }
+
+}

src/main/java/net/knarcraft/blacksmith/command/ReloadCommand.java

@@ -2,7 +2,6 @@ package net.knarcraft.blacksmith.command;
 
 import net.knarcraft.blacksmith.BlacksmithPlugin;
 import net.knarcraft.blacksmith.formatting.TranslatableMessage;
-import net.knarcraft.blacksmith.formatting.Translator;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
 import org.bukkit.command.TabExecutor;
@@ -23,7 +22,7 @@ public class ReloadCommand implements TabExecutor {
     public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label,
                              @NotNull String[] args) {
         BlacksmithPlugin.getInstance().reload();
-        displaySuccessMessage(sender, Translator.getTranslatedMessage(TranslatableMessage.PLUGIN_RELOADED));
+        displaySuccessMessage(sender, TranslatableMessage.PLUGIN_RELOADED);
         return true;
     }