From b93361cd07ba1466a5e2d5ff128593ea52735d89 Mon Sep 17 00:00:00 2001
From: Phoenix616 <max@themoep.de>
Date: Fri, 26 Mar 2021 15:55:29 +0100
Subject: [PATCH] Fix shortened item aliases not working (Fixes #425)

---
 .../Listeners/Modules/ItemAliasModule.java    | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/src/main/java/com/Acrobot/ChestShop/Listeners/Modules/ItemAliasModule.java b/src/main/java/com/Acrobot/ChestShop/Listeners/Modules/ItemAliasModule.java
index 6acd7ca..6684602 100644
--- a/src/main/java/com/Acrobot/ChestShop/Listeners/Modules/ItemAliasModule.java
+++ b/src/main/java/com/Acrobot/ChestShop/Listeners/Modules/ItemAliasModule.java
@@ -15,6 +15,7 @@ import org.bukkit.event.Listener;
 import java.io.File;
 import java.io.IOException;
 import java.util.Locale;
+import java.util.Map;
 
 /**
  * @author Acrobot
@@ -69,6 +70,31 @@ public class ItemAliasModule implements Listener {
     @EventHandler(priority = EventPriority.LOW)
     public void onItemParse(ItemParseEvent event) {
         String code = aliases.inverse().get(event.getItemString());
+        if (code == null) {
+            String[] typeParts = event.getItemString().replaceAll("(?<!^)([A-Z1-9])", "_$1").toUpperCase(Locale.ROOT).split("[ _]");
+            int length = Short.MAX_VALUE;
+            for (Map.Entry<String, String> entry : aliases.entrySet()) {
+                if (entry.getValue().length() < length && entry.getValue().startsWith(event.getItemString())) {
+                    length = (short) entry.getValue().length();
+                    code = entry.getKey();
+                } else if (typeParts.length > 1) {
+                    String[] nameParts = entry.getValue().split("[ _]");
+                    if (typeParts.length == nameParts.length) {
+                        boolean matched = true;
+                        for (int i = 0; i < nameParts.length; i++) {
+                            if (!nameParts[i].startsWith(typeParts[i])) {
+                                matched = false;
+                                break;
+                            }
+                        }
+                        if (matched) {
+                            code = entry.getKey();
+                            break;
+                        }
+                    }
+                }
+            }
+        }
         if (code != null) {
             event.setItem(MaterialUtil.getItem(code));
         }