content: /*
   * Copyright (c) 2019-2020 5zig Reborn
   * Copyright (c) 2015-2019 5zig
   *
   * This file is part of The 5zig Mod
   * The 5zig Mod is free software: you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or
   * (at your option) any later version.
   *
   * The 5zig Mod is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with The 5zig Mod.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  package eu.the5zig.mod.manager;
  
  import eu.the5zig.mod.The5zigMod;
  import eu.the5zig.mod.config.TextReplacement;
  import eu.the5zig.mod.event.ChatSendEvent;
  import eu.the5zig.mod.event.EventHandler;
  import eu.the5zig.mod.event.SignEditEvent;
  
  import java.util.List;
  
  public class TextReplacementManager {
  
  	@EventHandler
  	public void onSendChatMessage(ChatSendEvent event) {
  		event.setMessage(replaceText(event.getMessage()));
  	}
  
  	@EventHandler
  	public void onSignEdit(SignEditEvent event) {
  		for (int i = 0; i < event.getLines().length; i++) {
  			event.setLine(i, replaceText(event.getLine(i)));
  		}
  	}
  
  	public static String replaceText(String text) {
  		List<TextReplacement> replacements = The5zigMod.getTextReplacementConfig().getConfigInstance().getReplacements();
  		for (TextReplacement replacement : replacements) {
  			if (text.startsWith("/") && replacement.isIgnoringCommands()) {
  				continue;
  			}
  			int index;
  			int nextIndex = 0;
  			while ((index = text.indexOf(replacement.getMessage(), nextIndex)) != -1) {
  				nextIndex = index + replacement.getMessage().length();
  				if (!replacement.isReplaceInsideWords()) {
  					if (index > 0) {
  						char previousChar = Character.toLowerCase(text.charAt(index - 1));
  						if (previousChar != ' ') {
  							continue;
  						}
  					}
  					if (index + replacement.getMessage().length() < text.length()) {
  						char nextChar = text.charAt(index + replacement.getMessage().length());
  						if (nextChar != ' ') {
  							continue;
  						}
  					}
  
  				}
  				nextIndex = index + replacement.getReplacement().length();
  				text = text.substring(0, index) + ChatFilterManager.replacePlaceholders(replacement.getReplacement())
  						+ text.substring(index + replacement.getMessage().length());
  			}
  		}
  		return text;
  	}
  
  }
  