stop specified commands from being able to execute in combat

src/main/java/me/youhavetrouble/preventstabby/config/ConfigCache.java

@@ -7,10 +7,7 @@ import org.jetbrains.annotations.Nullable;
 
 import java.io.File;
 import java.io.IOException;
-import java.util.Collections;
+import java.util.*;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
 
 public class ConfigCache {
 
@@ -66,12 +63,14 @@ public class ConfigCache {
                 List.of("Should killing of a player that logged out of combat be announced?")
         );
 
-        this.combatBlockedCommands.addAll(getList(
+        List<String> commandsBlockedInCombat = getList(
                 "settings.block_in_combat.commands",
                 List.of("spawn", "tpa", "home"),
                 List.of("Commands to block when player is in combat")
-                )
         );
+        for (String command : commandsBlockedInCombat) {
+            this.combatBlockedCommands.add(command.toLowerCase(Locale.ENGLISH));
+        }
 
         this.block_teleports_in_combat = getBoolean(
                 "settings.block_in_combat.teleports",
@@ -126,6 +125,8 @@ public class ConfigCache {
                 List.of("Distance from the player where placing dangerous blocks will be disallowed")
         );
 
+
+
         // Messages
         this.pvp_enabled = getString("messages.pvp_enabled", "<red>You enabled PvP!");
         this.pvp_disabled = getString("messages.pvp_disabled", "<red>You disabled PvP!");

src/main/java/me/youhavetrouble/preventstabby/listeners/PvpListener.java

@@ -12,10 +12,13 @@ import org.bukkit.event.Listener;
 import org.bukkit.event.entity.AreaEffectCloudApplyEvent;
 import org.bukkit.event.entity.EntityDamageByEntityEvent;
 import org.bukkit.event.entity.PotionSplashEvent;
+import org.bukkit.event.player.PlayerCommandPreprocessEvent;
 import org.bukkit.event.player.PlayerFishEvent;
 import org.bukkit.potion.PotionEffect;
 import org.bukkit.potion.PotionEffectType;
 
+import java.util.Locale;
+
 public class PvpListener implements Listener {
 
     private final PreventStabby plugin;
@@ -93,4 +96,19 @@ public class PvpListener implements Listener {
         plugin.getPlayerManager().handleDamageCheck(result);
     }
 
+    @EventHandler(priority = EventPriority.LOW, ignoreCancelled = true)
+    public void onCommandInCombat(PlayerCommandPreprocessEvent event) {
+        Player player = event.getPlayer();
+        if (!plugin.getPlayerManager().getPlayer(player.getUniqueId()).isInCombat()) return;
+        String message = event.getMessage().toLowerCase(Locale.ROOT);
+        if (message.startsWith("/")) {
+            message = message.substring(1);
+        }
+        message = message.split(" ")[0];
+        if (!plugin.getConfigCache().getCombatBlockedCommands().contains(message)) return;
+
+        event.setCancelled(true);
+        player.sendMessage(plugin.getConfigCache().cant_do_that_during_combat);
+    }
+
 }