added the EnumSuggester

Author: WizardlyBump17

commands/src/main/java/com/wizardlybump17/wlib/command/suggestion/object/EnumSuggester.java

@@ -0,0 +1,66 @@
+package com.wizardlybump17.wlib.command.suggestion.object;
+
+import com.wizardlybump17.wlib.command.exception.SuggesterException;
+import com.wizardlybump17.wlib.command.node.CommandNode;
+import com.wizardlybump17.wlib.command.sender.CommandSender;
+import com.wizardlybump17.wlib.command.suggestion.Suggester;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+import java.util.Objects;
+
+public interface EnumSuggester<E extends Enum<E>> extends Suggester<E> {
+
+    @Override
+    default @NotNull String getStringRepresentation(@NotNull E value) {
+        return value.name();
+    }
+
+    @NotNull Class<E> enumType();
+
+    static <E extends Enum<E>> @NotNull Any<E> any(@NotNull Class<E> enumType) {
+        return new Any<>(enumType);
+    }
+
+    final class Any<E extends Enum<E>> implements EnumSuggester<E> {
+
+        private final @NotNull List<E> cache;
+        private final @NotNull Class<E> enumType;
+
+        private Any(@NotNull Class<E> enumType) {
+            this.enumType = enumType;
+            this.cache = List.of(enumType.getEnumConstants());
+        }
+
+        @Override
+        public @NotNull List<E> getSuggestions(@NotNull CommandSender<?> sender, @NotNull List<String> input, @NotNull String current, @NotNull CommandNode<?> currentNode) throws SuggesterException {
+            return cache;
+        }
+
+        @Override
+        public @NotNull Class<E> enumType() {
+            return enumType;
+        }
+
+        @Override
+        public boolean equals(Object o) {
+            if (o == null || getClass() != o.getClass())
+                return false;
+            Any<?> any = (Any<?>) o;
+            return Objects.equals(cache, any.cache) && Objects.equals(enumType, any.enumType);
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(cache, enumType);
+        }
+
+        @Override
+        public String toString() {
+            return "EnumSuggester$Any{" +
+                    "cache=" + cache +
+                    ", enumType=" + enumType +
+                    '}';
+        }
+    }
+}