Add support for storing additional options in Arena config

plugin/src/main/java/org/battleplugins/arena/Arena.java

@@ -9,6 +9,7 @@
 import org.battleplugins.arena.competition.phase.CompetitionPhaseType;
 import org.battleplugins.arena.competition.victory.VictoryConditionType;
 import org.battleplugins.arena.config.ArenaOption;
+import org.battleplugins.arena.config.ConfigHolder;
 import org.battleplugins.arena.config.DocumentationSource;
 import org.battleplugins.arena.config.Scoped;
 import org.battleplugins.arena.config.context.EventContextProvider;
@@ -26,9 +27,11 @@
 import org.battleplugins.arena.resolver.Resolver;
 import org.battleplugins.arena.resolver.ResolverKeys;
 import org.battleplugins.arena.resolver.ResolverProvider;
+import org.bukkit.configuration.ConfigurationSection;
 import org.jetbrains.annotations.Nullable;
 
 import java.nio.file.Path;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
@@ -46,7 +49,7 @@
  * active game actions will occur (i.e. game timer, score, etc.)
  */
 @DocumentationSource("https://docs.battleplugins.org/books/user-guide/chapter/configuration")
-public class Arena implements ArenaLike, ArenaListener, Resolvable {
+public class Arena implements ArenaLike, ArenaListener, Resolvable, ConfigHolder {
 
     @Scoped
     private BattleArena plugin;
@@ -103,6 +106,7 @@ public class Arena implements ArenaLike, ArenaListener, Resolvable {
     private List<String> modules;
 
     private final ArenaEventManager eventManager;
+    private final Map<String, ConfigurationSection> config = new HashMap<>();
 
     public Arena() {
         this.eventManager = new ArenaEventManager(this);
@@ -316,6 +320,11 @@ public final <E extends org.battleplugins.arena.options.ArenaOption> E getOption
         return (E) this.options.get(type);
     }
 
+    @Override
+    public final Map<String, ConfigurationSection> getConfig() {
+        return this.config;
+    }
+
     @Override
     public final Arena getArena() {
         return this;

plugin/src/main/java/org/battleplugins/arena/config/ArenaConfigParser.java

@@ -61,6 +61,7 @@ public static <T> T newInstance(@Nullable Path sourceFile, Class<T> type, Config
     }
 
     private static void populateFields(@Nullable Path sourceFile, Object instance, ConfigurationSection configuration, @Nullable Object scope, @Nullable Object id) throws ParseException {
+        List<String> sectionsParsed = new ArrayList<>();
         for (Field field : FieldUtils.getAllFieldsList(instance.getClass())) {
             field.setAccessible(true);
             if (field.isAnnotationPresent(Scoped.class)) {
@@ -121,6 +122,17 @@ private static void populateFields(@Nullable Path sourceFile, Object instance, C
 
             // Get the type from the configuration
             populateType(sourceFile, field, arenaOption, instance, configuration, scope);
+
+            sectionsParsed.add(name);
+        }
+
+        // Check if there are any sections that were not parsed
+        if (instance instanceof ConfigHolder holder) {
+            for (String key : configuration.getKeys(false)) {
+                if (!sectionsParsed.contains(key) && configuration.isConfigurationSection(key)) {
+                    holder.getConfig().put(key, configuration.getConfigurationSection(key));
+                }
+            }
         }
     }
 

plugin/src/main/java/org/battleplugins/arena/config/ConfigHolder.java

@@ -0,0 +1,23 @@
+package org.battleplugins.arena.config;
+
+import org.bukkit.configuration.ConfigurationSection;
+
+import java.util.Map;
+
+/**
+ * A holder for a set of config sections.
+ * <p>
+ * This is typically implemented by classes in which
+ * there are unparsed config sections, typically accessed
+ * by third parties, that need to be stored and accessed
+ * in a less verbose manner.
+ */
+public interface ConfigHolder {
+
+    /**
+     * Gets the config sections stored in this holder.
+     *
+     * @return the config sections stored in this holder
+     */
+    Map<String, ConfigurationSection> getConfig();
+}