refactor ig

bukkit/src/main/java/de/kentoj/kencommandapi/CommandAPI.java

@@ -0,0 +1,50 @@
+package de.kentoj.kencommandapi;
+
+import de.kentoj.kencommandapi.api.CommandHandler;
+import de.kentoj.kencommandapi.api.literal.RootLiteral;
+import org.bukkit.Bukkit;
+import org.bukkit.command.CommandSender;
+import org.bukkit.command.SimpleCommandMap;
+import org.bukkit.permissions.Permissible;
+import org.bukkit.plugin.Plugin;
+import org.jetbrains.annotations.Nullable;
+
+import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.List;
+
+public class CommandAPI<T extends CommandSender> {
+
+    private final CommandHandler<T> commandHandler;
+    private final List<RootLiteral<T>> registeredNodes = new ArrayList<>();
+    private final SimpleCommandMap commandMap;
+    private final Class<T> senderType;
+
+    public CommandAPI(Plugin plugin, Class<T> senderType) {
+        this.senderType = senderType;
+        this.commandHandler = new CommandHandler<>(CommandSender::sendMessage, Permissible::hasPermission);
+        Bukkit.getPluginManager().registerEvents(new TabCompleteListener<>(this, commandHandler, senderType), plugin);
+
+        try {
+            Field field = Bukkit.getPluginManager().getClass().getDeclaredField("commandMap");
+            field.setAccessible(true);
+            commandMap = (SimpleCommandMap) field.get(Bukkit.getPluginManager());
+        } catch (NoSuchFieldException | IllegalAccessException e) {
+            throw new IllegalStateException("failed getting command map", e);
+        }
+    }
+
+    @Nullable RootLiteral<T> getRegistered(String name) {
+        for (var node : registeredNodes) {
+            for (String nodeName : node.names()) {
+                if (nodeName.equals(name)) return node;
+            }
+        }
+        return null;
+    }
+
+    public void register(RootLiteral<T> rootNode) {
+        registeredNodes.add(rootNode);
+        commandMap.register(rootNode.names()[0], new BukkitKenCommand<>(commandHandler, rootNode, senderType));
+    }
+}