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path: root/src/main/java/com/redstoner/modules/abot/Abot.java
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package com.redstoner.modules.abot;

import java.io.File;

import org.bukkit.Bukkit;
import org.bukkit.command.CommandSender;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.AsyncPlayerChatEvent;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;

import com.nemez.cmdmgr.Command;
import com.redstoner.annotations.AutoRegisterListener;
import com.redstoner.annotations.Commands;
import com.redstoner.annotations.Version;
import com.redstoner.misc.CommandHolderType;
import com.redstoner.misc.JsonManager;
import com.redstoner.misc.Main;
import com.redstoner.modules.Module;

import net.nemez.chatapi.ChatAPI;
import net.nemez.chatapi.click.Message;

@Commands(CommandHolderType.File)
@AutoRegisterListener
@Version(major = 5, minor = 1, revision = 0, compatible = 4)
@SuppressWarnings("unchecked")
public class Abot implements Module, Listener {
	private File answerFile = new File(Main.plugin.getDataFolder(), "abot.json");
	JSONArray answers;

	@Override
	public boolean onEnable() {
		return loadAnswers(Bukkit.getConsoleSender());
	}
	
	@EventHandler
	public void onPlayerChat(AsyncPlayerChatEvent event) {
		for (Object rawObject : answers) {
			JSONObject entry = (JSONObject) rawObject;
			JSONArray regexes = (JSONArray) entry.get("regex");

			for (Object regex : regexes) {
				if (event.getMessage().toLowerCase().matches((String) regex)) {
					Object hideperm = entry.get("hide-perm");

					if (hideperm == null || !event.getPlayer().hasPermission((String) hideperm)) {
						event.setCancelled(true);
						getLogger().message(event.getPlayer(), (String) entry.get("message"));
						return;
					}
				}
			}
		}
	}

	@Command(hook = "abot_reload")
	public void loadAnswersCommand(CommandSender sender) {
		loadAnswers(sender);
	}

	@Command(hook = "abot_list")
	public void listAnswers(CommandSender sender) {
		listAnswers(sender, false);
	}
	
	@Command(hook = "abot_list_nh")
	public void listAnswers(CommandSender sender, boolean nohover) {
		if (answers.isEmpty())
			getLogger().message(sender, "There are no Abot answers to list.");
		
		if (nohover) {
			listAnswersNoHover(sender);
			return;
		}
		
		Message msg = ChatAPI.createMessage(sender).appendText(getLogger().getHeader());
		msg.appendText("&6Abot Answers:\n");
		
		for (int i = 0; i < answers.size(); i++) {
			JSONObject entry = (JSONObject) answers.get(i);
			JSONArray regexes = (JSONArray) entry.get("regex");
			
			String name = (String) entry.get("name");
			String message = (String) entry.get("message");
			String permission = (String) entry.get("hide-perm");
			String hover = "&6Name: &e" + name + "\n&6Message:&f " + (message.isEmpty()? "&cNone" : message)
				         + "\n&6Permission: &b" + (permission == null || permission.isEmpty()? "&cNone" : permission)
					     + "\n&6Regexes: "    + (regexes.isEmpty()? "&cNone" : "");
			
			if (!regexes.isEmpty())
				for (Object regex : regexes)
					hover += "\n&f - &e" + (String) regex;
			
			if (i > 0)
				msg.appendText("&7, ");
			msg.appendTextHover("&e" + name, hover);
		}
		msg.send();
		
	}
	
	public void listAnswersNoHover(CommandSender sender) {
		Message msg = ChatAPI.createMessage(sender).appendText(getLogger().getHeader());
		
		for (int i = 0; i < answers.size(); i++) {
			JSONObject entry = (JSONObject) answers.get(i);
			JSONArray regexes = (JSONArray) entry.get("regex");
			
			msg.appendText("\n&6Name: &e" + (String) entry.get("name"));
			
			String message = (String) entry.get("message");
			String permission = (String) entry.get("hide-perm");
			msg.appendText("\n&f - &6Message:&f " + (message.isEmpty()? "&cNone" : message)
					     + "\n&f - &6Permission: &b" + (permission == null || permission.isEmpty()? "&cNone" : permission)
					     + "\n&f - &6Regexes: "    + (regexes.isEmpty()? "&cNone" : "\n"));
			
			if (!regexes.isEmpty())
				for (Object regex : regexes)
					msg.appendText("&f   - &e" + (String) regex);
		}
		msg.send();
	}
	
	@Command(hook = "abot_get")
	public void getAnswer(CommandSender sender, String name) {		
		JSONObject entry = getAnswer(name);
		
		if (entry == null) {
			getLogger().message(sender, "There are no answer with that name.");
			return;
		}
		
		Message msg = ChatAPI.createMessage(sender).appendText(getLogger().getHeader());
		
		JSONArray regexes = (JSONArray) entry.get("regex");
		
		msg.appendText("&6Name: &e" + (String) entry.get("name"));
		
		String message = (String) entry.get("message");
		String permission = (String) entry.get("hide-perm");
		msg.appendText("\n&f - &6Message:&f " + (message.isEmpty()? "&cNone" : message)
				     + "\n&f - &6Permission: &b" + (permission == null || permission.isEmpty()? "&cNone" : permission)
				     + "\n&f - &6Regexes: "    + (regexes.isEmpty()? "&cNone" : "\n"));
		
		if (!regexes.isEmpty())
			for (Object regex : regexes)
				msg.appendText("&f   - &e" + (String) regex);
		msg.send();
	}
	
	@Command(hook = "abot_add")
	public void addAnswer(CommandSender sender, String name) {
		if (exists(name)) {
			getLogger().message(sender, "That name is already in use.");
			return;
		}
		
		JSONObject newEntry = new JSONObject();
		newEntry.put("name", name);
		newEntry.put("message", "");
		newEntry.put("hide-perm", null);
		newEntry.put("regex", new JSONArray());
		
		answers.add(newEntry);
		saveAnswers();
		
		getLogger().message(sender, "&e" + name + "&7 has been created. Use &e/abot edit &a" + name +
				                    "&e <name|message|permission|regex> &7to finish setting it up");
	}
	
	@Command(hook = "abot_remove")
	public void removeAnswer(CommandSender sender, String name) {
		JSONObject entry = getAnswer(name);
		
		if (entry == null) {
			getLogger().message(sender, "There are no answer with the name &e" + name + "&7.");
			return;
		}
		
		answers.remove(entry);
		saveAnswers();
		
		getLogger().message(sender, "&e"+name+" &7has been removed.");
	}
	
	@Command(hook = "abot_edit_name")
	public void editName(CommandSender sender, String name, String newName) {
		JSONObject entry = getAnswer(name);
		
		if (entry == null) {
			getLogger().message(sender, "There are no answer with the name &e" + newName + "&7.");
			return;
		}
		
		if (exists(newName))  {
			getLogger().message(sender, "&e" + newName + " &7is already in use.");
			return;
		}
		
		String oldName = (String) entry.get("name");
		
		answers.remove(entry);
		entry.put("name", newName);
		answers.add(entry);
		saveAnswers();
		
		getLogger().message(sender, "Name changed from &e" + oldName + "&7 to &e" + newName + "&7.");
	}
	
	@Command(hook = "abot_edit_permission")
	public void editPermission(CommandSender sender, String name, String permission) {
		JSONObject entry = getAnswer(name);
		
		if (entry == null) {
			getLogger().message(sender, "There are no answer with the name &e" + name + "&7.");
			return;
		}
		
		String oldPerm = entry.get("hide-perm") == null? "&cNone" : (String) entry.get("hide-perm");
		
		answers.remove(entry);
		entry.put("hide-perm", permission.equals("null")? null : permission);
		answers.add(entry);
		saveAnswers();
		
		getLogger().message(sender, "Hide Permission changed from &e" + oldPerm + "&7 to &e"
				                  + (permission.equals("null")? "&cNone" : permission) + "&7.");
	}
	
	@Command(hook = "abot_edit_message")
	public void editMessage(CommandSender sender, String name, String message) {
		JSONObject entry = getAnswer(name);
		
		if (entry == null) {
			getLogger().message(sender, "There are no answer with the name &e" + name + "&7.");
			return;
		}
		
		String oldMessage = entry.get("message").equals("")? "&cEmpty String" : (String) entry.get("message");
		
		answers.remove(entry);
		entry.put("message", message);
		answers.add(entry);
		saveAnswers();
		
		getLogger().message(sender, "Message changed from " + oldMessage + "&7 to &e"
		                          + (message.isEmpty()? "&cEmpty String" : message) + "&7.");
	}
	
	@Command(hook = "abot_edit_regex_add")
	public void editRegexAdd(CommandSender sender, String name, String regex) {
		JSONObject entry = getAnswer(name);
		
		if (entry == null) {
			getLogger().message(sender, "There are no answer with the name &e" + name + "&7.");
			return;
		}
		
		answers.remove(entry);
		
		JSONArray regexes = (JSONArray) entry.get("regex");
		regexes.add(regex);
		entry.put("regex", regexes);
		
		answers.add(entry);
		saveAnswers();
		
		getLogger().message(sender, "Added the Regex &e" + regex + "&7.");
	}
	
	@Command(hook = "abot_edit_regex_remove")
	public void editRegexRemove(CommandSender sender, String name, String regex) {
		JSONObject entry = getAnswer(name);
		
		if (entry == null) {
			getLogger().message(sender, "There are no answer with the name &e" + name + "&7.");
			return;
		}
		
		answers.remove(entry);
		
		JSONArray regexes = (JSONArray) entry.get(regex);
		
		if (!regexes.remove(regex))
			getLogger().message(sender, "The regex,&e" + regex + "&7, is not associated with that answer.");
		
		else {
			entry.put("regex", regexes);
			answers.add(entry);
			saveAnswers();
		
			getLogger().message(sender, "Removed the Regex &e" + regex + "&7.");
		}
	}
	
	public JSONObject getAnswer(String name) {
		for (Object rawEntry : answers) {
			JSONObject entry = (JSONObject) rawEntry;
			if (((String)entry.get("name")).equalsIgnoreCase(name))
				return entry;
		}
		return null;
	}
	
	public boolean exists(String name) {
		for (Object rawEntry : answers) {
			JSONObject entry = (JSONObject) rawEntry;
			Object ename = entry.get("name");
			if (ename != null && ((String) ename).equalsIgnoreCase(name))
				return true;
		}
		return false;
	}
	
	public boolean loadAnswers(CommandSender sender) {
		
		try {
			JSONObject json = JsonManager.getObject(answerFile);
			
			if (json == null) {
				answers = new JSONArray();
				getLogger().message(sender, "Couldn't find Abot's Answers File, creating one.");
				saveAnswers();
			}
			else if (!json.get("version").toString().equals("2")) {
				getLogger().message(sender, true, "abot.json is not the correct version. Aborting!");
				return false;
			}
			
			answers = (JSONArray) json.get("data");
			
		}
		catch (ClassCastException e) { //catches if abot.json is using the old format.
			answers = JsonManager.getArray(answerFile);
			
			// Names unnamed answers
			for (Object rawEntry : answers) {
				JSONObject entry = (JSONObject) rawEntry;
				if (entry.get("name") == null) {
					String name = "Unknown";
					for (int i = 0; exists(name) ; i++)
						name = "Unknown" + i;
					entry.put("name", name);
				}
			}
			
			getLogger().message(sender, "Converting abot.json from version 1 to 2.");
			saveAnswers();
		}
			
		
		getLogger().message(sender, "Loaded the abot.json file!");
		return true;
	}
	
	public void saveAnswers() {
		JSONObject json = new JSONObject();
		json.put("version", 2);
		json.put("data", answers);
		
		JsonManager.save(json, answerFile);
	}
}