HelpMe

package com.kmccmk9.HelpMeAdvanced;

// All the imports
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.Scanner;

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

import org.bukkit.Server;

/**
 * HelpMeAdvanced for Bukkit
 *
 * @author kmccmk9
 */

//Starts the class
public class HelpMeAdvanced extends JavaPlugin{
    Server server;
    String variable;
    Scanner msgs;
    String description;
    ArrayList<String> messagestoprint = new ArrayList<String>();
    Hashtable<String, String> playerdescriptions = new Hashtable<String, String>();
    Hashtable<String, World> playerlocations = new Hashtable<String, World>();
    ArrayList<String> playernames = new ArrayList<String>();
    Location gotolocation;
    Player gotoplayer;
    int counter = 1;
    int number;
    String numberstring;
    int arraylength;

    //Define File Variables
    static String mainDirectory = "plugins/HelpMeAdvanced"; //sets the main directory for easy reference
    static File messages = new File(mainDirectory + File.separator + "messages.txt"); //the file separator is the / sign, this will create a new Zones.dat files in the mainDirectory variable listed above, if no Zones directory exists then it will automatically be made along with the file.
    // onDisable
    public void onDisable() {
        PluginDescriptionFile pdfFile = this.getDescription();
        System.out.println( pdfFile.getName() + " is disabled!" );
    }
    // onEnable
    public void onEnable() {
        server = this.getServer();
        PluginDescriptionFile pdfFile = this.getDescription();
        System.out.println( pdfFile.getName() + " version " + pdfFile.getVersion() + " is enabled!" );
        //Setup Files
        new File(mainDirectory).mkdir(); //makes the Zones directory/folder in the plugins directory
        if(!messages.exists()){ //Checks to see if the zones file exists, defined above, if it doesn't exist then it will do the following. the&nbsp;! turns the whole statement around, checking that the file doesn't exist instead of if it exists.
            try { //try catch clause explained below in tutorial
                messages.createNewFile(); //creates the file zones.dat
                FileWriter writer = new FileWriter(messages,true);
                BufferedWriter out = new BufferedWriter(writer);
                out.write("An Admin or SuperAdmin will come and help you soon as possible.");
                out.newLine();
                out.write("If no one come and helps you within 5 minutes, perform the command again.");
                out.newLine();
                out.write("Message sent to Admins");
                out.close();
            } catch (IOException ex) {
                ex.printStackTrace(); //explained below.
            }

        } else {

            openFile();
            readFile();
            closeFile();

        }
    }

    private void openFile() {
        try{
            msgs = new Scanner(messages);
        }catch (Exception ex){
            System.out.println("[HelpMeAdvanced] Could not find messages.txt, did you delete it?");
        }
    }

    private void readFile() {
        if (!msgs.hasNextLine()){ //Check if there are no lines at all
            server.broadcastMessage("[HelpMeAdvanced] Messages.txt is empty.");
        }else{
            messagestoprint.clear(); //Clear the ArrayList (For using the reload command)
            while (msgs.hasNextLine()){
                String messagetofile = msgs.nextLine(); //Set the next line to a string
                messagetofile = messagetofile.replaceAll("(&([a-f0-9]))", "\u00A7$2"); //Replace colour codes
                messagestoprint.add(messagetofile); //Add to the ArrayList
            }
        }
    }

    private void closeFile() {
        msgs.close();
    }

    public String arrayToString(String[] array) {
        StringBuilder sb = new StringBuilder();
        for (int a = 1; a < array.length; a++) {
        sb.append(array[a]);
        sb.append(" ");
        }
        String newString = sb.toString();
        return newString;
        }

    // Command system
    public boolean onCommand(CommandSender sender, Command command, String commandLabel, String[] args) {
        Player[] players;
        int total;
        if (sender instanceof Player) {
            Player player = (Player) sender;
            if(commandLabel.equalsIgnoreCase("helpme")) {
                if (args.length == 1)
                {
                    variable = args[0];
                    if (variable.equalsIgnoreCase("help"))
                    {
                        player.sendMessage("Typing in \"/helpme will alert Admins that you need help!\"");
                        player.sendMessage("Typing in \"/helpme description \"Description here\" (Without quotes) will alert Admins that you need help and add a description");
                        player.sendMessage("Typing in \"/helpme reload will reload the messages file\"");
                        player.sendMessage("Typing in \"/helpme list will list the players that need help if you are the admin\"");
                        player.sendMessage("Typing in \"/helpme goto \"Number from list here\" (Without quotes) will teleport you to the person in need and remove them from the list\"");
                        player.sendMessage("Typing in \"/helpme remove \"Number from list here\" (Without quotes) will remove that player from the list\"");
                    }
                    if (variable.equalsIgnoreCase("description"))
                    {
                        player.sendMessage(ChatColor.DARK_RED + "Missing description. Please add a one word description.");
                    }
                    if (variable.equalsIgnoreCase("reload"))
                    {
                        readFile();
                    }
                    if (variable.equalsIgnoreCase("list"))
                    {
                        for (int i=0;i<playernames.size();i++)
                        {
                            player.sendMessage(ChatColor.GREEN + String.valueOf(counter) + '.' + " " + playernames.get(i).toString() + '-' + " " + playerlocations.get(playernames.get(i).toString()) + " " + '-' + " " + playerdescriptions.get(playernames.get(i).toString()));
                            counter++;
                        }
                        counter = 1;
                    }
                    if (!variable.equalsIgnoreCase("help") && !variable.equalsIgnoreCase("description") && !variable.equalsIgnoreCase("reload") && !variable.equalsIgnoreCase("list"))
                    {
                        player.sendMessage(ChatColor.DARK_RED + "Unrecognized argument. Typing in /helpme will alert Admins that you need help!");
                    }
                }
                else if (args.length > 1)
                {
                    if (variable.equalsIgnoreCase("description"))
                    {
                        description = arrayToString(args);
                        this.getServer().broadcastMessage(description);
                    }
                    //Add Players to List
                    playerlocations.put(player.toString(), player.getLocation().getWorld());
                    playerdescriptions.put(player.toString(), description);
                    playernames.add(player.toString());
                    //Degbug
                    //Dispatch Message
                    for (int j = 0;j < arraylength;j++)
                    {
                    player.sendMessage(messagestoprint.get(j));
                    }
                    players = server.getOnlinePlayers();
                    total = players.length;
                    int i = 0;
                    String worldname = player.getWorld().getName();
                    server.broadcastMessage(worldname);
                    while (i < total)
                    {
                        if (players[i].isOp() || players[i].hasPermission("helpmeadvanced.admin")) {
                            players[i].sendMessage(ChatColor.DARK_RED + player.getDisplayName() + ChatColor.DARK_GREEN + " needs some help!" + " (" + worldname + player.getLocation().getBlockX() + ',' + player.getLocation().getBlockY() + ',' + player.getLocation().getBlockZ() + ") Description: " + description);
                        }
                        i++;
                    }
                    if (variable.equalsIgnoreCase("goto"))
                    {
                        numberstring = arrayToString(args);
                        number = Integer.parseInt(numberstring);
                        gotoplayer = server.getPlayer(playernames.get(number));
                        gotolocation = gotoplayer.getLocation();
                        playerlocations.remove(playernames.get(number));
                        playerdescriptions.remove(playernames.get(number));
                        player.teleport(gotolocation);
                    }
                    if (variable.equalsIgnoreCase("remove"))
                    {
                        numberstring = arrayToString(args);
                        number = Integer.parseInt(numberstring);
                        playerlocations.remove(playernames.get(number));
                    }
                }
                else if (args.length == 0)
                {
                    //Debug
                    arraylength = messagestoprint.size();
                    //Add Player to list
                    playerlocations.put(player.toString(), player.getLocation().getWorld());
                    playerdescriptions.put(player.toString(), " ");
                    playernames.add(player.toString());
                    for (int j = 0;j < arraylength;j++)
                    {
                    player.sendMessage(messagestoprint.get(j));
                    }
                    players = server.getOnlinePlayers();
                    total = players.length;
                    int i = 0;
                    while (i < total)
                    {
                        if (/*HelpMeAdvanced.permissionHandler.has(players[i], "helpmeadvanced.admin") ||*/ players[i].isOp() || players[i].hasPermission("helpmeadvanced.admin")) {
                            players[i].sendMessage(ChatColor.DARK_RED + player.getDisplayName() + ChatColor.DARK_GREEN + " needs some help!" + " (" + player.getLocation().getWorld() + player.getLocation().getBlockX() + ',' + player.getLocation().getBlockY() + ',' + player.getLocation().getBlockZ() + ")");
                        }
                        i++;
                    }
                }
            }
        }
        return true;
    }
}