Query command & Worldguard null parameter exception fix (#4)

* query command + fix wg exception

* remove empty statement and unused imports

* added feedback for case when there are no protections in queried location

---------

Co-authored-by: YouHaveTrouble <youhavetrouble@youhavetrouble.me>

src/main/java/me/youhavetrouble/yardwatch/commands/YardWatchCommand.java

@@ -2,9 +2,13 @@ package me.youhavetrouble.yardwatch.commands;
 
 import me.youhavetrouble.yardwatch.Protection;
 import me.youhavetrouble.yardwatch.YardWatch;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.event.HoverEvent;
+import org.bukkit.Location;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
 import org.bukkit.command.TabExecutor;
+import org.bukkit.entity.Player;
 import org.bukkit.plugin.RegisteredServiceProvider;
 import org.bukkit.util.StringUtil;
 import org.jetbrains.annotations.NotNull;
@@ -34,6 +38,9 @@ public class YardWatchCommand implements TabExecutor {
         if (args[0].equalsIgnoreCase("hooks")) {
             sendHooks(sender);
             return true;
+        } else if (args[0].equalsIgnoreCase("query")) {
+            queryProtection(sender);
+            return true;
         }
 
         return false;
@@ -45,6 +52,7 @@ public class YardWatchCommand implements TabExecutor {
 
         if (args.length == 1) {
             completions.add("hooks");
+            completions.add("query");
             return StringUtil.copyPartialMatches(args[0], completions, new ArrayList<>());
         }
 
@@ -72,4 +80,31 @@ public class YardWatchCommand implements TabExecutor {
         }
 
     }
+
+    private void queryProtection(CommandSender sender) {
+        if (!(sender instanceof Player player)) {
+            sender.sendMessage(("You must be a player to use this command!"));
+            return;
+        }
+        Location location = player.getLocation();
+        sender.sendMessage("Protections at " + location.getBlockX() + ", " + location.getBlockY() + ", " + location.getBlockZ());
+        Collection<RegisteredServiceProvider<Protection>> protections = plugin.getServer().getServicesManager().getRegistrations(Protection.class);
+        if (protections.isEmpty()) {
+            sender.sendMessage("No protections registered at " + location.getBlockX() + ", " + location.getBlockY() + ", " + location.getBlockZ());
+            return;
+        }
+        for (RegisteredServiceProvider<Protection> protection : protections) {
+            Component component = Component.text(protection.getPlugin().getName()).append(Component.text(" isProtected " + protection.getProvider().isProtected(location)))
+                    .hoverEvent(HoverEvent.showText(
+                            Component.text(protection.getProvider().toString())
+                                    .append(Component.newline())
+                                    .append(Component.text("canPlaceBlock " + protection.getProvider().canPlaceBlock(player, location))
+                                            .append(Component.newline())
+                                            .append(Component.text("canBreakBlock " + protection.getProvider().canBreakBlock(player, location.getBlock().getState())))
+                                            .append(Component.newline())
+                                            .append(Component.text("canInteract " + protection.getProvider().canInteract(player, location.getBlock().getState())))
+                                    )));
+            sender.sendMessage(component);
+        }
+    }
 }

src/main/java/me/youhavetrouble/yardwatch/hooks/WorldGuardProtection.java

@@ -4,6 +4,8 @@ import com.sk89q.worldedit.bukkit.BukkitAdapter;
 import com.sk89q.worldguard.LocalPlayer;
 import com.sk89q.worldguard.WorldGuard;
 import com.sk89q.worldguard.bukkit.WorldGuardPlugin;
+import com.sk89q.worldguard.domains.Association;
+import com.sk89q.worldguard.protection.association.Associables;
 import com.sk89q.worldguard.protection.flags.Flags;
 import com.sk89q.worldguard.protection.regions.RegionContainer;
 import com.sk89q.worldguard.protection.regions.RegionQuery;
@@ -34,7 +36,7 @@ public class WorldGuardProtection implements Protection {
         com.sk89q.worldedit.util.Location wgLocation = BukkitAdapter.adapt(location);
         RegionContainer container = WorldGuard.getInstance().getPlatform().getRegionContainer();
         RegionQuery query = container.createQuery();
-        return query.testBuild(wgLocation, null);
+        return query.testBuild(wgLocation, Associables.constant(Association.NON_MEMBER));
     }
 
     @Override