Add some debug logging for shop sign creation

src/main/java/com/Acrobot/ChestShop/ChestShop.java

@@ -535,6 +535,12 @@ public class ChestShop extends JavaPlugin {
         return logger;
     }
 
+    public static void logDebug(String message) {
+        if (Properties.DEBUG) {
+            getBukkitLogger().info("[DEBUG] " + message);
+        }
+    }
+
     public static Server getBukkitServer() {
         return server;
     }

src/main/java/com/Acrobot/ChestShop/Listeners/Block/SignCreate.java

@@ -34,6 +34,7 @@ public class SignCreate implements Listener {
         if (ChestShopSign.isValid(event.getLines()) && !NameManager.canUseName(event.getPlayer(), OTHER_NAME_DESTROY, ChestShopSign.getOwner(event.getLines()))) {
             event.setCancelled(true);
             sign.update();
+            ChestShop.logDebug("Shop sign creation at " + sign.getLocation() + " by " + event.getPlayer().getName() + " was cancelled as they weren't able to create a shop for the account '" + ChestShopSign.getOwner(event.getLines()) + "'");
             return;
         }
 
@@ -49,6 +50,7 @@ public class SignCreate implements Listener {
         if (preEvent.getOutcome().shouldBreakSign()) {
             event.setCancelled(true);
             signBlock.breakNaturally();
+            ChestShop.logDebug("Shop sign creation at " + sign.getLocation() + " by " + event.getPlayer().getName() + " was cancelled (creation outcome: " + preEvent.getOutcome() + ") and the sign broken");
             return;
         }
 
@@ -57,6 +59,7 @@ public class SignCreate implements Listener {
         }
 
         if (preEvent.isCancelled()) {
+            ChestShop.logDebug("Shop sign creation at " + sign.getLocation() + " by " + event.getPlayer().getName() + " was cancelled (creation outcome: " + preEvent.getOutcome() + ") and sign lines were set to " + String.join(", ", preEvent.getSignLines()));
             return;
         }
 

src/main/java/com/Acrobot/ChestShop/UUIDs/NameManager.java

@@ -271,7 +271,12 @@ public class NameManager implements Listener {
 
     public static boolean canUseName(Player player, Permission base, String name) {
         if (ChestShopSign.isAdminShop(name)) {
-            return Permission.has(player, Permission.ADMIN_SHOP);
+            if (Permission.has(player, Permission.ADMIN_SHOP)) {
+                return true;
+            } else {
+                ChestShop.logDebug(player.getName() + " cannot use the name " + name + " as it's an admin shop and they don't have the permission " + Permission.ADMIN_SHOP);
+                return false;
+            }
         }
 
         if (Permission.otherName(player, base, name)) {
@@ -282,6 +287,7 @@ public class NameManager implements Listener {
         ChestShop.callEvent(queryEvent);
         Account account = queryEvent.getAccount();
         if (account == null) {
+            ChestShop.logDebug(player.getName() + " cannot use the name " + name + " for a shop as no account with that name exists");
             return false;
         }
         if (!account.getName().equalsIgnoreCase(name) && Permission.otherName(player, base, account.getName())) {
@@ -296,6 +302,11 @@ public class NameManager implements Listener {
     public static void onAccountAccessCheck(AccountAccessEvent event) {
         if (!event.canAccess()) {
             event.setAccess(event.getPlayer().getUniqueId().equals(event.getAccount().getUuid()));
+            if (!event.canAccess()) {
+                ChestShop.logDebug(event.getPlayer().getName() + "/" + event.getPlayer().getUniqueId()
+                        + " cannot access the account " + event.getAccount().getName() + "/" + event.getAccount().getUuid()
+                        + " as their UUID doesn't match!");
+            }
         }
     }