From a6bbaa31ce0f1ec4ede30166915b1cefbb95a660 Mon Sep 17 00:00:00 2001
From: Auxilor <william.favierparsons1@gmail.com>
Date: Sat, 1 May 2021 10:43:08 +0100
Subject: [PATCH] Added legacy conversion

---
 .../talismans/util/TalismanChecks.java        |  2 +
 .../talismans/util/TalismanUtils.java         | 52 +++++++++++++++++++
 2 files changed, 54 insertions(+)

diff --git a/eco-core/core-plugin/src/main/java/com/willfp/talismans/talismans/util/TalismanChecks.java b/eco-core/core-plugin/src/main/java/com/willfp/talismans/talismans/util/TalismanChecks.java
index 4e2469a..1519048 100644
--- a/eco-core/core-plugin/src/main/java/com/willfp/talismans/talismans/util/TalismanChecks.java
+++ b/eco-core/core-plugin/src/main/java/com/willfp/talismans/talismans/util/TalismanChecks.java
@@ -95,6 +95,8 @@ public class TalismanChecks {
             return null;
         }
 
+        TalismanUtils.convertFromLegacy(item);
+
         ItemMeta meta = item.getItemMeta();
 
         if (meta == null) {
diff --git a/eco-core/core-plugin/src/main/java/com/willfp/talismans/talismans/util/TalismanUtils.java b/eco-core/core-plugin/src/main/java/com/willfp/talismans/talismans/util/TalismanUtils.java
index 1f3d77b..e685a07 100644
--- a/eco-core/core-plugin/src/main/java/com/willfp/talismans/talismans/util/TalismanUtils.java
+++ b/eco-core/core-plugin/src/main/java/com/willfp/talismans/talismans/util/TalismanUtils.java
@@ -2,12 +2,19 @@ package com.willfp.talismans.talismans.util;
 
 
 import com.willfp.eco.util.NumberUtils;
+import com.willfp.talismans.TalismansPlugin;
+import com.willfp.talismans.talismans.Talisman;
 import com.willfp.talismans.talismans.TalismanLevel;
 import com.willfp.talismans.talismans.Talismans;
 import lombok.experimental.UtilityClass;
 import org.bukkit.Material;
+import org.bukkit.NamespacedKey;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.permissions.PermissionAttachmentInfo;
+import org.bukkit.persistence.PersistentDataContainer;
+import org.bukkit.persistence.PersistentDataType;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.HashSet;
@@ -73,4 +80,49 @@ public class TalismanUtils {
     public static void clearTalismanMaterials() {
         TALISMAN_MATERIALS.clear();
     }
+
+    /**
+     * Update legacy talisman to 3.0.0 talisman.
+     *
+     * @param itemStack The Talisman ItemStack.
+     */
+    public static void convertFromLegacy(@NotNull final ItemStack itemStack) {
+        ItemMeta meta = itemStack.getItemMeta();
+        PersistentDataContainer container = meta.getPersistentDataContainer();
+
+
+        NamespacedKey talismanKey = container.getKeys().stream().filter(namespacedKey -> namespacedKey.getNamespace().equals("talismans")).findFirst().orElse(null);
+        if (talismanKey == null) {
+            return;
+        }
+
+        String key = talismanKey.getKey();
+
+        int level = 0;
+
+        if (key.endsWith("_talisman")) {
+            level = 1;
+        } else if (key.endsWith("_ring")) {
+            level = 2;
+        } else if (key.endsWith("_relic")) {
+            level = 3;
+        } else if (key.endsWith("_fossil")) {
+            level = 4;
+        }
+
+        if (level == 0) {
+            return;
+        }
+
+        String newKey = key.replace("_talisman", "")
+                .replace("_ring", "")
+                .replace("_relic", "")
+                .replace("_fossil", "");
+
+        NamespacedKey newTalismanKey = TalismansPlugin.getInstance().getNamespacedKeyFactory().create(newKey);
+
+        container.set(newTalismanKey, PersistentDataType.INTEGER, level);
+
+        itemStack.setItemMeta(meta);
+    }
 }