Command system rewrite using Drink and Maven support.

src/main/java/net/nuggetmc/ai/commands/CommandHandler.java

@@ -0,0 +1,45 @@
+package net.nuggetmc.ai.commands;
+
+import com.jonahseguin.drink.CommandService;
+import com.jonahseguin.drink.Drink;
+import com.jonahseguin.drink.annotation.Command;
+import com.jonahseguin.drink.command.DrinkCommandContainer;
+import com.jonahseguin.drink.command.DrinkCommandService;
+import net.nuggetmc.ai.PlayerAI;
+import net.nuggetmc.ai.commands.commands.PlayerAICommand;
+import org.bukkit.ChatColor;
+
+import java.lang.reflect.Method;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+public class CommandHandler {
+
+    private final DrinkCommandService drink;
+
+    public CommandHandler() {
+        drink = (DrinkCommandService) Drink.get(PlayerAI.getInstance());
+        drink.register(new PlayerAICommand(this), "playerai", "pai");
+        drink.registerCommands();
+    }
+
+    public List<String> getUsage(Class<? extends CommandInstance> clazz) {
+        return getSubCommands(clazz).stream().map(c -> {
+            Command command = c.getAnnotation(Command.class);
+            return ChatColor.GRAY + " ▪ " + ChatColor.YELLOW + "/" + getRootName(clazz) + (command.name().isEmpty() ? "" : " " + command.name()) + ChatColor.GRAY + " ▪ "
+                    + ChatColor.RESET + command.desc();
+        }).collect(Collectors.toList());
+    }
+
+    private String getRootName(Class<? extends CommandInstance> clazz) {
+        return drink.getCommands().entrySet().stream()
+                .filter(c -> c.getValue().getObject().getClass().isAssignableFrom(clazz)).map(Map.Entry::getKey).findFirst().orElse(null);
+    }
+
+    private List<Method> getSubCommands(Class<? extends CommandInstance> clazz) {
+        return Arrays.stream(clazz.getDeclaredMethods()).filter(m -> m.isAnnotationPresent(Command.class)).collect(Collectors.toList());
+    }
+
+}

src/main/java/net/nuggetmc/ai/commands/CommandInstance.java

@@ -0,0 +1,14 @@
+package net.nuggetmc.ai.commands;
+
+public abstract class CommandInstance {
+
+    private final CommandHandler commandHandler;
+
+    public CommandInstance(CommandHandler commandHandler) {
+        this.commandHandler = commandHandler;
+    }
+
+    public CommandHandler getCommandHandler() {
+        return commandHandler;
+    }
+}

src/main/java/net/nuggetmc/ai/commands/commands/PlayerAICommand.java

@@ -0,0 +1,62 @@
+package net.nuggetmc.ai.commands.commands;
+
+import com.jonahseguin.drink.annotation.Command;
+import com.jonahseguin.drink.annotation.OptArg;
+import com.jonahseguin.drink.annotation.Sender;
+import com.jonahseguin.drink.annotation.Text;
+import net.nuggetmc.ai.PlayerAI;
+import net.nuggetmc.ai.commands.CommandHandler;
+import net.nuggetmc.ai.commands.CommandInstance;
+import net.nuggetmc.ai.npc.NPC;
+import net.nuggetmc.ai.npc.NPCManager;
+import net.nuggetmc.ai.utils.ChatUtils;
+import org.bukkit.ChatColor;
+import org.bukkit.entity.Player;
+
+import java.text.NumberFormat;
+import java.util.Locale;
+
+public class PlayerAICommand extends CommandInstance {
+
+    public PlayerAICommand(CommandHandler commandHandler) {
+        super(commandHandler);
+    }
+
+    @Command(name = "", desc = "Test Description")
+    public void rootCommand(@Sender Player sender) {
+        sender.sendMessage(ChatUtils.LINE);
+        sender.sendMessage(ChatColor.GOLD + "PlayerAI" + ChatColor.GRAY + " [" + ChatColor.RED + "v" + PlayerAI.VERSION + ChatColor.GRAY + "]");
+
+        for (String s : this.getCommandHandler().getUsage(PlayerAICommand.class)) {
+            sender.sendMessage(s);
+        }
+
+        sender.sendMessage(ChatUtils.LINE);
+    }
+
+    @Command(name = "create", desc = "Create bots.", usage = "<name> [skin]")
+    public void createBotCommand(@Sender Player sender, String name, @OptArg() String skin) {
+        NPC.createNPC(name, sender.getLocation(), skin.isEmpty() ? name : skin);
+    }
+
+    @Command(name = "debug", desc = "Debug bot stats.")
+    public void debugCommand(@Sender Player sender) {
+
+    }
+
+    @Command(name = "info", desc = "Information about loaded bots.")
+    public void infoCommand(@Sender Player sender) {
+
+    }
+
+    @Command(name = "reset", desc = "Remove all loaded bots.")
+    public void resetCommand(@Sender Player sender) {
+        sender.sendMessage("Removing every bot...");
+        NPCManager manager = PlayerAI.getInstance().getManager();
+        int size = manager.fetch().size();
+        manager.reset();
+        String formatted = NumberFormat.getNumberInstance(Locale.US).format(size);
+        sender.sendMessage("Removed " + ChatColor.RED + formatted + ChatColor.RESET + " entit" + (size == 1 ? "y" : "ies") + ".");
+    }
+
+}