Revise WorldGuard event hooks again

Hide all permission messages from WorldGuard on shop interaction,
except when chest-access is denied on shop creation.

src/main/java/de/epiceric/shopchest/listeners/WorldGuardListener.java

@@ -5,8 +5,11 @@ import de.epiceric.shopchest.config.Config;
 import de.epiceric.shopchest.nms.Hologram;
 import de.epiceric.shopchest.shop.Shop;
 import de.epiceric.shopchest.utils.ClickType;
+import de.epiceric.shopchest.utils.ClickType.EnumClickType;
+
 import org.bukkit.Location;
 import org.bukkit.Material;
+import org.bukkit.block.Block;
 import org.bukkit.block.Chest;
 import org.bukkit.entity.ArmorStand;
 import org.bukkit.entity.Entity;
@@ -16,12 +19,12 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.Event.Result;
-import org.bukkit.event.block.Action;
 import org.bukkit.event.entity.EntityDamageByEntityEvent;
 import org.bukkit.event.inventory.InventoryOpenEvent;
 import org.bukkit.event.player.PlayerInteractAtEntityEvent;
 import org.bukkit.event.player.PlayerInteractEvent;
 import org.codemc.worldguardwrapper.WorldGuardWrapper;
+import org.codemc.worldguardwrapper.event.AbstractWrappedEvent;
 import org.codemc.worldguardwrapper.event.DamageEntityEvent;
 import org.codemc.worldguardwrapper.event.UseBlockEvent;
 import org.codemc.worldguardwrapper.event.UseEntityEvent;
@@ -35,59 +38,52 @@ public class WorldGuardListener implements Listener {
     }
 
 
-    private boolean isAllowed(Player player, Location location, Action action) {
+    private boolean isAllowed(Player player, Location location) {
+        ClickType clickType = ClickType.getPlayerClickType(player);
+
+        if (clickType != null && clickType.getClickType() == EnumClickType.CREATE) {
+            // If the player is about to create a shop, but does not have
+            // access to the chest, show the 'permission denied' message
+            // (if not previously set to allowed by another plugin).
+            // If the player can open the chest, that message should be hidden.
+            return WorldGuardWrapper.getInstance().queryStateFlag(player, location, "chest-access").orElse(false);
+        }
+
         Shop shop = plugin.getShopUtils().getShop(location);
 
         if (shop != null) {
-            if (shop.getVendor().getUniqueId().equals(player.getUniqueId()) && shop.getShopType() != Shop.ShopType.ADMIN) {
+            // Don't show 'permission denied' messages for any kind of
+            // shop interaction even if entity/block interaction is not
+            // allowed in the region.
             return true;
         }
-        }
-
-        WorldGuardWrapper wgWrapper = WorldGuardWrapper.getInstance();
-
-        if (ClickType.getPlayerClickType(player) != null) {
-            switch (ClickType.getPlayerClickType(player).getClickType()) {
-                case CREATE:
-                    return wgWrapper.queryStateFlag(player, location, "create-shop").orElse(false)
-                            && wgWrapper.queryStateFlag(player, location, "chest-access").orElse(false);
-                case REMOVE:
-                case INFO:
-                case OPEN:
-                    return true;
-            }
-        } else {
-            if (shop != null) {
-                String flagName = (shop.getShopType() == Shop.ShopType.NORMAL ? "use-shop" : "use-admin-shop");
-                return wgWrapper.queryStateFlag(player, location, flagName).orElse(false);
-            }
-        }
 
         return false;
     }
 
+    private void handleEntityInteraction(Player player, Entity entity, AbstractWrappedEvent event) {
+        if (entity.getType() == EntityType.ARMOR_STAND) {
+            if (!Hologram.isPartOfHologram((ArmorStand) entity))
+                return;
+
+            for (Shop shop : plugin.getShopUtils().getShops()) {
+                if (shop.getHologram() != null && shop.getHologram().contains((ArmorStand) entity)) {
+                    if (isAllowed(player, shop.getLocation())) {
+                        event.setResult(Result.ALLOW);
+                    }
+                    return;
+                }
+            }
+        }
+    }
+
     @EventHandler(priority = EventPriority.LOW)
     public void onUseEntity(UseEntityEvent event) {
         if (Config.enableWorldGuardIntegration) {
             Player player = event.getPlayer();
 
             if (event.getOriginalEvent() instanceof PlayerInteractAtEntityEvent) {
-                Entity e = event.getEntity();
+                handleEntityInteraction(player, event.getEntity(), event);
-
-                if (e.getType() == EntityType.ARMOR_STAND) {
-                    if (!Hologram.isPartOfHologram((ArmorStand) e))
-                        return;
-
-                    for (Shop shop : plugin.getShopUtils().getShops()) {
-                        if (shop.getHologram() != null && shop.getHologram().contains((ArmorStand) e)) {
-                            if (isAllowed(player, shop.getLocation(), Action.RIGHT_CLICK_BLOCK)) {
-                                event.setResult(Result.ALLOW);
-                            }
-
-                            return;
-                        }
-                    }
-                }
             }
         }
     }
@@ -98,22 +94,7 @@ public class WorldGuardListener implements Listener {
             Player player = event.getPlayer();
 
             if (event.getOriginalEvent() instanceof EntityDamageByEntityEvent) {
-                Entity e = event.getEntity();
+                handleEntityInteraction(player, event.getEntity(), event);
-
-                if (e.getType() == EntityType.ARMOR_STAND) {
-                    if (!Hologram.isPartOfHologram((ArmorStand) e))
-                        return;
-
-                    for (Shop shop : plugin.getShopUtils().getShops()) {
-                        if (shop.getHologram() != null && shop.getHologram().contains((ArmorStand) e)) {
-                            if (isAllowed(player, shop.getLocation(), Action.LEFT_CLICK_BLOCK)) {
-                                event.setResult(Result.ALLOW);
-                            }
-
-                            return;
-                        }
-                    }
-                }
             }
         }
     }
@@ -124,21 +105,19 @@ public class WorldGuardListener implements Listener {
             Player player = event.getPlayer();
 
             if (event.getOriginalEvent() instanceof PlayerInteractEvent) {
-                PlayerInteractEvent orig = (PlayerInteractEvent) event.getOriginalEvent();
+                Block block = event.getBlocks().get(0);
+                Material type = block.getType();
                 
-                if (orig.hasBlock()) {
-                    Material type = orig.getClickedBlock().getType();
                 if (type == Material.CHEST || type == Material.TRAPPED_CHEST) {
-                        if (isAllowed(player, orig.getClickedBlock().getLocation(), orig.getAction())) {
+                    if (isAllowed(player, block.getLocation())) {
                         event.setResult(Result.ALLOW);
                     }
                 }
-                }
             } else if (event.getOriginalEvent() instanceof InventoryOpenEvent) {
                 InventoryOpenEvent orig = (InventoryOpenEvent) event.getOriginalEvent();
 
                 if (orig.getInventory().getHolder() instanceof Chest) {
-                    if (isAllowed(player, ((Chest) orig.getInventory().getHolder()).getLocation(), Action.RIGHT_CLICK_BLOCK)) {
+                    if (isAllowed(player, ((Chest) orig.getInventory().getHolder()).getLocation())) {
                         event.setResult(Result.ALLOW);
                     }
                 }