Added base for subcommands

Author: Pascalpex

src/main/java/de/pascalpex/pexnpc/commands/PexNPCCommand.java

@@ -1,22 +1,35 @@
 package de.pascalpex.pexnpc.commands;
 
 import de.pascalpex.pexnpc.PexNPC;
+import de.pascalpex.pexnpc.commands.subcommands.SubCommands;
 import de.pascalpex.pexnpc.files.NPCData;
+import de.pascalpex.pexnpc.util.MessageHandler;
 import io.papermc.paper.command.brigadier.BasicCommand;
 import io.papermc.paper.command.brigadier.CommandSourceStack;
 import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
 
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
+import java.util.*;
 
 public class PexNPCCommand implements BasicCommand {
     @Override
-    public void execute(CommandSourceStack commandSourceStack, String[] strings) {
+    public void execute(CommandSourceStack commandSourceStack, String @NotNull [] args) {
         CommandSender sender = commandSourceStack.getSender();
+        if(sender instanceof Player player) {
+            if(args.length == 0) {
+                SubCommands.HELP.getSubCommand().invoke(player, new String[0]);
+            }
+            for(SubCommands subCommand : SubCommands.values()) {
+                if(subCommand.getSubCommand().getLabel().equalsIgnoreCase(args[0])) {
+                    subCommand.getSubCommand().invoke(player, Arrays.copyOfRange(args, 1, args.length));
+                    return;
+                }
+            }
+        } else {
+            sender.sendMessage(MessageHandler.errorMessage("Dieser Befehl ist nur für Spieler geeignet"));
+        }
     }
 
     @Override
@@ -27,19 +40,9 @@ public Collection<String> suggest(CommandSourceStack commandSourceStack, String[
         if (sender instanceof Player) {
             if (sender.hasPermission("pexnpc.command")) {
                 if (args.length == 1) {
-                    completions.add("help");
-                    completions.add("reload");
-                    completions.add("create");
-                    completions.add("list");
-                    completions.add("delete");
-                    completions.add("name");
-                    completions.add("movehere");
-                    completions.add("tp");
-                    completions.add("skin");
-                    completions.add("cmd");
-                    completions.add("msg");
-                    completions.add("item");
-                    completions.add("clear");
+                    for(SubCommands subCommand : SubCommands.values()) {
+                        completions.add(subCommand.getSubCommand().getLabel());
+                    }
                     completions.removeIf(s -> !s.startsWith(args[0].toLowerCase()));
                 }
                 if (args.length == 2) {

src/main/java/de/pascalpex/pexnpc/commands/subcommands/HelpSubcommand.java

@@ -0,0 +1,14 @@
+package de.pascalpex.pexnpc.commands.subcommands;
+
+import org.bukkit.entity.Player;
+
+public class HelpSubcommand extends SubCommand {
+    public HelpSubcommand(String label, String permission) {
+        super(label, permission);
+    }
+
+    @Override
+    void execute(Player player, String[] args) {
+
+    }
+}

src/main/java/de/pascalpex/pexnpc/commands/subcommands/ListSubcommand.java

@@ -0,0 +1,14 @@
+package de.pascalpex.pexnpc.commands.subcommands;
+
+import org.bukkit.entity.Player;
+
+public class ListSubcommand extends SubCommand {
+    public ListSubcommand(String label, String permission) {
+        super(label, permission);
+    }
+
+    @Override
+    void execute(Player player, String[] args) {
+
+    }
+}

src/main/java/de/pascalpex/pexnpc/commands/subcommands/SubCommand.java

@@ -0,0 +1,29 @@
+package de.pascalpex.pexnpc.commands.subcommands;
+
+import de.pascalpex.pexnpc.util.MessageHandler;
+import org.bukkit.entity.Player;
+
+public abstract class SubCommand {
+
+    private final String label;
+    private final String permission;
+
+    public SubCommand(String label, String permission) {
+        this.label = label;
+        this.permission = permission;
+    }
+
+    public void invoke(Player player, String[] args) {
+        if(player.hasPermission(permission)) {
+            execute(player, args);
+        } else {
+            player.sendMessage(MessageHandler.errorMessage("Dafür hast du keine Rechte"));
+        }
+    }
+
+    public String getLabel() {
+        return label;
+    }
+
+    abstract void execute(Player player, String[] args);
+}

src/main/java/de/pascalpex/pexnpc/commands/subcommands/SubCommands.java

@@ -0,0 +1,16 @@
+package de.pascalpex.pexnpc.commands.subcommands;
+
+public enum SubCommands {
+    HELP(new HelpSubcommand("help", "")),
+    LIST(new ListSubcommand("list", "pexnpc.list"));
+
+    private final SubCommand subCommand;
+
+    SubCommands(SubCommand subCommand) {
+        this.subCommand = subCommand;
+    }
+
+    public SubCommand getSubCommand() {
+        return subCommand;
+    }
+}

src/main/java/de/pascalpex/pexnpc/util/MessageHandler.java

@@ -8,7 +8,8 @@
 
 public class MessageHandler {
     public static Component prefix = parse("");
-    private static final TextColor defaultColor = NamedTextColor.GOLD;
+    private static final TextColor defaultColor = NamedTextColor.AQUA;
+    private static final TextColor errorColor = NamedTextColor.RED;
     private static final MiniMessage mm = MiniMessage.miniMessage();
 
     public static Component parseSection(String legacyMessage) {
@@ -30,6 +31,10 @@ public static Component basicMessage(String message) {
         return prefix.append(Component.text(" " + message).color(defaultColor));
     }
 
+    public static Component errorMessage(String message) {
+        return prefix.append(Component.text(" " + message).color(errorColor));
+    }
+
     public static Component prefixedMini(String miniMessage) {
         Component miniComponent = parse(miniMessage);
         return prefix.append(Component.text(" ")).append(miniComponent);