New Start.class

package tk.challangesmp.toxicmine;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Location;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;

import java.util.Scanner;
import java.util.Timer;
import java.util.TimerTask;

import static tk.challangesmp.toxicmine.Main.*;

public class Start implements CommandExecutor {


    private Main plugin;


    static Timer timer = new Timer();
    static TimerTask timerTask = new ChallengeTimer();

    public Start(Main plugin) {
        this.plugin = plugin;

        plugin.getCommand("challenge").setExecutor(this);
    }

    @Override
    public boolean onCommand(CommandSender commandSender, Command command, String label, String[] args) {
        if(args.length == 0) {
        if(label.equalsIgnoreCase("challenge"))
            commandSender.sendMessage(ChatColor.RED + "Invalid parameter. do /challenge help!");
            return true;
        }
        if (!(commandSender instanceof Player)) {
            if(args.length > 0)
            if (args[0].equals("reload")) {
                //Seconds for a week is 604800000
                //TIMER DOES NOTHING BUT JUST COUNT 1 WEEK IN TICKS! ALL OPS WILL GET NOTIFIED WHEN TIMER FINISHED!!
                timer.schedule(timerTask, 604800000);
                timerIsOngoing = true;
                Main.getPlugin(Main.class).reloadConfig();
                commandSender.sendMessage("Challenge successfully reloaded");
                return true;
            }
            if(args.length > 0) {
            if (args[0].equals("stop"))
                    timerTask.cancel();
                    timer.purge();
                    commandSender.sendMessage("Cancelled timer.");
                return true;
            }
            return true;
        }

        Player player = (Player) commandSender;
        if(args.length > 0) {
        if (args[0].equals("join"))
            if (competent.contains(player)) {
                player.sendMessage("You are already there in the challenge!");
                return true;
            }
            if (timerIsOngoing){
                competent.add(player);
                player.sendMessage("Successfully added you to the challenge!");
            } else {
                player.sendMessage("The challenge timer is not ongoing.");
            }
            return true;
        }
        if(args.length > 0) {
        if (args[0].equals("quit"))
            if (!competent.contains(player)) {
                player.sendMessage("You are not there in the challenge.");
                return true;
            }
            if (timerIsOngoing){
                Scanner scanner = new Scanner(System.in);
                player.sendMessage("Are you sure to remove yourself from the challenge? [Yes/No]");
                String opinion = scanner.nextLine();
                if (opinion.equalsIgnoreCase("yes")) {
                    competent.remove(player);
                    player.sendMessage("Successfully removed you from the challenge.");
                }else {
                    player.sendMessage("Aborted removal.");
                }
            } else {
                competent.remove(player);
                player.sendMessage("Successfully removed you from the challenge.");
            }
            return true;
        }
        if(args.length > 0) {
        if (args[0].equals("tp"))
            if (player.isOp()) {
                Location location = player.getLocation();
                for (Player value : competent) {
                    value.teleport(location);
                }
                player.sendMessage("Finished teleporting competent(s) to you!");
            }
            return true;
        }
        if(args.length > 0) {
        if (args[0].equals("help"))
            if(player.isOp());
            player.sendMessage(ChatColor.YELLOW + "Command List");
            player.sendMessage(ChatColor.BLUE + "/challenge join " + ChatColor.GRAY + "- " + ChatColor.YELLOW + "Adds player to waiting state");
            player.sendMessage(ChatColor.BLUE + "/challenge quit " + ChatColor.GRAY + "- " +ChatColor.YELLOW + "Removes player to waiting state");
            player.sendMessage(ChatColor.BLUE + "/challenge reload(CONSOLE ONLY) " + ChatColor.GRAY + "- " + ChatColor.YELLOW + "Starts the Timer");
            player.sendMessage(ChatColor.BLUE + "/challenge stop(CONSOLE ONLY) " + ChatColor.GRAY + "- " + ChatColor.YELLOW + "Stops the Timer");
            player.sendMessage(ChatColor.BLUE + "/challenge tp(OP ONLY) " + ChatColor.GRAY + "- " + ChatColor.YELLOW + "Tps everyone in waiting stage to the current location of the command executor");
            player.sendMessage(ChatColor.BLUE + "/challenge help " + ChatColor.GRAY + "- " + ChatColor.YELLOW + "Shows the command list");
        }else if(!player.isOp()) {
            player.sendMessage(ChatColor.YELLOW + "Command List");
            player.sendMessage(ChatColor.BLUE + "/challenge join " + ChatColor.GRAY + "- " + ChatColor.YELLOW + "Adds player to waiting state");
            player.sendMessage(ChatColor.BLUE + "/challenge quit " + ChatColor.GRAY + "- " +ChatColor.YELLOW + "Removes player to waiting state");
            player.sendMessage(ChatColor.BLUE + "/challenge help " + ChatColor.GRAY + "- " + ChatColor.YELLOW + "Shows the command list");
        }

        return true;
    }
}

class ChallengeTimer extends TimerTask {

    @Override
    public void run() {
        oneWeekOver = true;
    }

    public void AlarmOps() {
        if(oneWeekOver = true) {
            Player operators = (Player) Bukkit.getServer().getOperators();
            operators.sendMessage("" + ChatColor.YELLOW + ChatColor.BOLD + "THE TIMER HAS ENDED! YOU CAN NOW START THE EVENT!");
        }
    }
}