feat: add config updater

plugin/core/src/main/java/core/configs/client/resources/MessagesConfig.java

@@ -50,7 +50,7 @@ public void reload() {
   private void loadMessages() {
     var shouldReplaceExistingMessage = plugin.isDevelop();
     var messages = findDefaultMessages().stream()
-        .map(path -> new ResourceConfig(plugin, path, shouldReplaceExistingMessage))
+        .map(path -> new ResourceConfig(plugin, path, shouldReplaceExistingMessage, 2))
         .toList();
 
     for (ResourceConfig message : messages) {

plugin/core/src/main/java/core/configs/client/resources/PluginConfig.java

@@ -13,7 +13,7 @@
 public class PluginConfig extends ResourceConfig {
 
   public PluginConfig(MysticalBarriers plugin) {
-    super(plugin, "configs/config.yml", plugin.isDevelop());
+    super(plugin, "configs/config.yml", plugin.isDevelop(), 1);
 
     Messenger.setPrefix(getPrefix());
   }

plugin/core/src/main/resources/configs/config.yml

@@ -10,4 +10,4 @@ block-chorus-teleportation: true
 block-movement:
   projectiles:
     enabled: true
-    only-from-player: false # Enabled only for projectiles shot by a player
+    only-from-player: false # Enabled only for projectiles shot by a player

plugin/core/src/main/resources/messages/generic.yml

@@ -1,3 +1,5 @@
+version: 2
+
 errors:
   internal_error: "&cAn internal error occurred (╯°□°)╯︵ ┻━┻"
   barrier_not_found: "&cBarrier not found"

plugin/core/src/main/resources/messages/guis/common.yml

@@ -1,3 +1,5 @@
+version: 2
+
 common.buttons:
   previous-page:
     title: "&ePrevious page"

plugin/utils/src/main/java/utils/files/ResourceConfig.java

@@ -2,12 +2,14 @@
 
 import lombok.Getter;
 import lombok.SneakyThrows;
+import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.plugin.java.JavaPlugin;
 import utils.IReloadable;
 import utils.Messenger;
 
 import java.io.File;
+import java.io.InputStreamReader;
 import java.nio.file.Files;
 
 /**
@@ -25,11 +27,25 @@ public class ResourceConfig implements IReloadable {
   @Getter
   private YamlConfiguration config;
 
+  private static void patch(ConfigurationSection target, ConfigurationSection patch) {
+    for (String key : patch.getKeys(false)) {
+      if (!target.contains(key)) {
+        target.set(key, patch.get(key));
+        continue;
+      }
+
+      var patchedValue = patch.get(key);
+      if (patchedValue instanceof ConfigurationSection) {
+        patch((ConfigurationSection) target.get(key), (ConfigurationSection) patchedValue);
+      }
+    }
+  }
+
   /**
    * Copy and load the resource file from the JAR to the file system if it does not exist.
    */
   @SneakyThrows
-  public ResourceConfig(JavaPlugin plugin, String path, boolean replace) {
+  public ResourceConfig(JavaPlugin plugin, String path, boolean replace, int version) {
     this.file = new File(plugin.getDataFolder(), path);
 
     if (replace || !file.exists()) {
@@ -39,7 +55,25 @@ public ResourceConfig(JavaPlugin plugin, String path, boolean replace) {
       Messenger.log("Extracted '{}' from JAR to plugin directory", path);
     }
 
-    this.config = YamlConfiguration.loadConfiguration(file);
+    config = YamlConfiguration.loadConfiguration(file);
+    if (getVersion() < version) {
+      Messenger.log("Updating config {} to version {}", file, version);
+      migrate(version);
+
+      var patchConfig = YamlConfiguration.loadConfiguration(new InputStreamReader(plugin.getResource(path)));
+      patch(config, patchConfig);
+
+      config.set("version", version);
+      config.save(file);
+    }
+  }
+
+  protected void migrate(int targetVersion) {
+
+  }
+
+  public int getVersion() {
+    return config.getInt("version", 1);
   }
 
   /**