content: /*
      This file is part of the HeavenMS MapleStory Server
      Copyleft (L) 2016 - 2019 RonanLana
  
      This program is free software: you can redistribute it and/or modify
      it under the terms of the GNU Affero General Public License as
      published by the Free Software Foundation version 3 as published by
      the Free Software Foundation. You may not use, modify or distribute
      this program under any other version of the GNU Affero General Public
      License.
  
      This program 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 Affero General Public License for more details.
  
      You should have received a copy of the GNU Affero General Public License
      along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
  package maplecashvegachecker;
  
  import java.io.BufferedReader;
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.IOException;
  import java.io.InputStreamReader;
  import java.io.PrintWriter;
  import java.util.HashSet;
  import java.util.Set;
  
  /**
   *
   * @author RonanLana
   * 
     This application main objective is to read Vega-related information from
     the item's description report back missing nodes for these items.
    
     Estimated parse time: 10 seconds
   */
  public class MapleCashVegaChecker {
      
      private static String wzPath = "../../wz";
      
      static PrintWriter printWriter = null;
      static InputStreamReader fileReader = null;
      static BufferedReader bufferedReader = null;
      
      static int initialStringLength = 1000;
      static int currentItem;
      
      static byte status = 0;
      
      static Set<Integer> vegaItems = new HashSet<>();
      
      private static String getName(String token) {
          int i, j;
          char[] dest;
          String d;
  
          i = token.lastIndexOf("name");
          i = token.indexOf("\"", i) + 1; //lower bound of the string
          j = token.indexOf("\"", i);     //upper bound
  
          dest = new char[initialStringLength];
          token.getChars(i, j, dest, 0);
  
          d = new String(dest);
          return(d.trim());
      }
      
      private static String getValue(String token) {
          int i, j;
          char[] dest;
          String d;
  
          i = token.lastIndexOf("value=");
          i = token.indexOf("\"", i) + 1; //lower bound of the string
          j = token.indexOf("\"", i);     //upper bound
  
          dest = new char[initialStringLength];
          token.getChars(i, j, dest, 0);
          
          d = new String(dest);
          return(d.trim());
      }
      
      private static void forwardCursor(int st) {
          String line = null;
  
          try {
              while(status >= st && (line = bufferedReader.readLine()) != null) {
                  simpleToken(line);
              }
          }
          catch(Exception e) {
              e.printStackTrace();
          }
      }
  
      private static void simpleToken(String token) {
          if(token.contains("/imgdir")) {
              status -= 1;
          }
          else if(token.contains("imgdir")) {
              status += 1;
          }
      }
      
      private static void translateItemToken(String token) {
          if(token.contains("/imgdir")) {
              status -= 1;
          }
          else if(token.contains("imgdir")) {
              status += 1;
              
              if (status == 2) {
                  currentItem = Integer.valueOf(getName(token));
              }
          } else {
              if (status == 2) {
                  if (getValue(token).endsWith("Vega&apos;s Spell.")) {
                      vegaItems.add(currentItem);
                  }
              }
          }
      }
      
      private static void translateVegaToken(String token) {
          if(token.contains("/imgdir")) {
              status -= 1;
          }
          else if(token.contains("imgdir")) {
              status += 1;
          } else {
              if (status == 2) {
                  if (getName(token).contentEquals("item")) {
                      vegaItems.remove(Integer.valueOf(getValue(token)));
                  }
              }
          }
      }
      
      private static void readItemDescriptionFile(File f) {
          System.out.print("Reading String.wz... ");
          try {
              fileReader = new InputStreamReader(new FileInputStream(f), "UTF-8");
              bufferedReader = new BufferedReader(fileReader);
  
              String line;
              while((line = bufferedReader.readLine())!=null){
                  translateItemToken(line);
              }
  
              bufferedReader.close();
              fileReader.close();
          } catch (IOException ioe) {
              ioe.printStackTrace();
          }
          System.out.println(vegaItems.size() + " Vega Scroll items found");
      }
      
      private static void readVegaDescriptionFile(File f) {
          System.out.println("Reading Etc.wz...");
          try {
              fileReader = new InputStreamReader(new FileInputStream(f), "UTF-8");
              bufferedReader = new BufferedReader(fileReader);
  
              String line;
              while((line = bufferedReader.readLine())!=null){
                  translateVegaToken(line);
              }
  
              bufferedReader.close();
              fileReader.close();
          } catch (IOException ioe) {
              ioe.printStackTrace();
          }
      }
      
      private static void printReportFileHeader() {
          printWriter.println(" # Report File autogenerated from the MapleCashVegaChecker feature by Ronan Lana.");
          printWriter.println(" # Generated data takes into account several data info from the server-side WZ.xmls.");
          printWriter.println();
      }
      
      private static void reportMissingVegaItems() {
          System.out.println("Reporting results ...");
          
          try {
              printWriter = new PrintWriter("lib/result.txt", "UTF-8");
          
              printReportFileHeader();
  
              for (Integer itemid : vegaItems) {
                  printWriter.println("  " + itemid);
              }
              
              printWriter.close();
          } catch (IOException ioe) {
              ioe.printStackTrace();
          }
          
      }
      
      public static void main(String[] args) {
          
          readItemDescriptionFile(new File(wzPath + "/String.wz/Consume.img.xml"));
          readVegaDescriptionFile(new File(wzPath + "/Etc.wz/VegaSpell.img.xml"));
          
          reportMissingVegaItems();
      }
      
  }
  