LibsDisguises/src/me/libraryaddict/disguise/DisguiseCommand.java

package me.libraryaddict.disguise;

import java.util.ArrayList;
import java.util.Collections;

import me.libraryaddict.disguise.DisguiseTypes.Disguise;
import me.libraryaddict.disguise.DisguiseTypes.DisguiseType;
import me.libraryaddict.disguise.DisguiseTypes.MiscDisguise;
import me.libraryaddict.disguise.DisguiseTypes.MobDisguise;
import me.libraryaddict.disguise.DisguiseTypes.PlayerDisguise;

import org.apache.commons.lang.StringUtils;
import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;

public class DisguiseCommand implements CommandExecutor {

    private ArrayList<String> allowedDisguises(CommandSender sender) {
        ArrayList<String> names = new ArrayList<String>();
        for (DisguiseType type : DisguiseType.values()) {
            String name = type.name().toLowerCase();
            if (sender.hasPermission("libsdisguises.disguise." + name))
                names.add(name);
        }
        Collections.sort(names);
        return names;
    }

    private ArrayList<String> forbiddenDisguises(CommandSender sender) {
        ArrayList<String> names = new ArrayList<String>();
        for (DisguiseType type : DisguiseType.values()) {
            String name = type.name().toLowerCase();
            if (!sender.hasPermission("libsdisguises.disguise." + name))
                names.add(name);
        }
        Collections.sort(names);
        return names;
    }

    private boolean isNumeric(String string) {
        try {
            Integer.parseInt(string);
            return true;
        } catch (Exception ex) {
            return false;
        }
    }

    public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
        Player p = (Player) sender;
        if (args.length == 0) {
            ArrayList<String> names = allowedDisguises(sender);
            ArrayList<String> otherNames = forbiddenDisguises(sender);
            if (names.size() > 0) {
                sender.sendMessage(ChatColor.RED + "You can use the disguises: " + ChatColor.GREEN
                        + StringUtils.join(names, ChatColor.RED + ", " + ChatColor.GREEN));
                if (otherNames.size() > 0) {
                    sender.sendMessage(ChatColor.RED + "Other disguises: " + ChatColor.GREEN
                            + StringUtils.join(names, ChatColor.RED + ", " + ChatColor.GREEN));
                }
            } else
                sender.sendMessage(ChatColor.RED + "You do not have permission to use this command.");
        } else if (args[0].equalsIgnoreCase("undiguise") || args[0].equalsIgnoreCase("undis") || args[0].equalsIgnoreCase("un")) {
            if (sender.hasPermission("libsdisguises.undisguise")) {
                if (DisguiseAPI.isDisguised(p.getName())) {
                    DisguiseAPI.undisguiseToAll(p);
                    sender.sendMessage(ChatColor.RED + "You are no longer disguised");
                } else
                    sender.sendMessage(ChatColor.RED + "You are not disguised!");
            } else
                sender.sendMessage(ChatColor.RED + "You do not have permission to use this command.");
        } else if (args[0].equalsIgnoreCase("player")) {
            if (sender.hasPermission("libsdisguises.disguise.player")) {
                if (args.length > 1) {
                    String name = ChatColor.translateAlternateColorCodes('&',
                            StringUtils.join(args, " ").substring(args[0].length() + 1));
                    PlayerDisguise disguise = new PlayerDisguise(name);
                    DisguiseAPI.disguiseToAll(p, disguise);
                    sender.sendMessage(ChatColor.RED + "Now disguised as the player '" + ChatColor.GREEN + name + ChatColor.RESET
                            + ChatColor.RED + "'");
                } else
                    sender.sendMessage(ChatColor.RED + "You need to provide a player name");
            } else {
                sender.sendMessage(ChatColor.RED + "You do not have permission to use this command");
            }

        } else {
            if (allowedDisguises(sender).size() == 0) {
                sender.sendMessage(ChatColor.RED + "You do not have permission to use this command.");
                return true;
            }
            DisguiseType type;
            try {
                type = DisguiseType.valueOf(args[0].toUpperCase());
            } catch (Exception ex) {
                sender.sendMessage(ChatColor.RED + "Failed to find disguise: " + ChatColor.GREEN + args[0]
                        + "\n/disguise player <Name>\n/disguise <Mob Name>\n/disguise undisguise/un/undis");
                return true;
            }
            if (sender.hasPermission("libsdisguises.disguise." + type.name().toLowerCase())) {
                Object args1 = true;
                if (type.isMisc())
                    args1 = -1;
                int args2 = -1;
                if (args.length > 1) {
                    if (type.isMob()) {
                        if (args[1].equalsIgnoreCase("true")) {
                            args1 = false;
                        } else if (!args[1].equalsIgnoreCase("false")) {
                            sender.sendMessage(ChatColor.RED + "Set baby: " + ChatColor.GREEN + args[1] + ChatColor.RED
                                    + " - Thats not true or false..");
                            return true;
                        }
                    } else if (type.isMisc()) {
                        if (isNumeric(args[1])) {
                            args1 = Integer.parseInt(args[1]);
                        } else {
                            sender.sendMessage(ChatColor.RED + args[1] + " is not a number");
                            return true;
                        }
                        if (args.length > 2)
                            if (isNumeric(args[2])) {
                                args2 = Integer.parseInt(args[2]);
                            } else {
                                sender.sendMessage(ChatColor.RED + args[2] + " is not a number");
                                return true;
                            }
                    }
                }
                Disguise disguise;
                if (type.isMob())
                    disguise = new MobDisguise(type, (Boolean) args1);
                else
                    disguise = new MiscDisguise(type, (Integer) args1, args2);
                DisguiseAPI.disguiseToAll(p, disguise);
                sender.sendMessage(ChatColor.RED + "Now disguised as a " + type.name().toLowerCase() + "!");
            } else
                sender.sendMessage(ChatColor.RED + "You do not have permission to use this disguise.");
        }
        return true;
    }
}