help

package me.yeezy.cookieclicker;

import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.plugin.java.JavaPlugin;

public class cookieclicker extends JavaPlugin {

	public void onEnable() {
		getLogger().info(ChatColor.AQUA + "This plugin is created by simon989!");
	}

	public void onDisable() {

	}

	public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
		Player player = (Player) sender;
		if (label.equalsIgnoreCase("clickwar")) {
		if (args.length <= 0) {
		player.sendMessage(ChatColor.GOLD + "[" + ChatColor.YELLOW + "ClickWar" + ChatColor.GOLD + "]");
		player.sendMessage(ChatColor.AQUA + "Do " + ChatColor.DARK_AQUA + "/clickwar join " + ChatColor.AQUA + "to join the game!");
		player.sendMessage(ChatColor.AQUA + "Do " + ChatColor.DARK_AQUA + "/clickwar leave " + ChatColor.AQUA + "to leave the game!");
		} else
			if (args[0].equalsIgnoreCase("join"))
			player.sendMessage("you joined the game!"); {
		} else
			if (args[0].equalsIgnoreCase("leave"))
			player.sendMessage("you have left the game!"); {

		}
	return true;
	}
		return true;
	}
}