/*
 *  Copyright (C) 2010-2012 JPEXS
 * 
 *  This program 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.
 * 
 *  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 General Public License for more details.
 * 
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.jpexs.asdec;

import com.jpexs.proxy.Replacement;
import java.io.*;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

public class Configuration {
   private static final String CONFIG_NAME="asdec.cfg";
   private static final String REPLACEMENTS_NAME="replacements.ini";
   private static HashMap<String,Object> config = new HashMap<String,Object>();
   
   public static String getASDecHome() {
        String dir = ".";//System.getProperty("user.home");
        if (!dir.endsWith(File.separator)) dir += File.separator;
        dir += "config" + File.separator;
        return dir;
   }
   
   private static String getReplacementsFile() {
        return getASDecHome() + REPLACEMENTS_NAME;
   }
   
   private static String getConfigFile() {
        return getASDecHome() + CONFIG_NAME;
   }
   
   /**
     * List of replacements
     */
    public static java.util.List<Replacement> replacements = new ArrayList<Replacement>();
   
   /**
     * Saves replacements to file for future use
     */
    private static void saveReplacements() {
        try {            
            if(replacements.isEmpty()){
                File rf=new File(getReplacementsFile());
                if(rf.exists()) rf.delete();
            }else{
                File f = new File(getASDecHome());
                if (!f.exists()) f.mkdir();
                PrintWriter pw = new PrintWriter(new FileWriter(getReplacementsFile()));
                for (Replacement r : replacements) {
                    pw.println(r.urlPattern);
                    pw.println(r.targetFile);
                }
                pw.close();
            }
        } catch (IOException e) {

        }
    }
    
    /**
     * Load replacements from file
     */
    private static void loadReplacements() {
        replacements = new ArrayList<Replacement>();
        try {
            BufferedReader br = new BufferedReader(new FileReader(getReplacementsFile()));
            String s = "";
            while ((s = br.readLine()) != null) {
                Replacement r = new Replacement(s, br.readLine());
                replacements.add(r);
            }
            br.close();
        } catch (IOException e) {

        }
    }
    
    public static Object getConfig(String cfg)
    {
       return getConfig(cfg,null);
    }
            
    
    public static Object getConfig(String cfg, Object defaultValue)
    {
       if(!config.containsKey(cfg))
       {
          return defaultValue;
       }
       return config.get(cfg);
    }
   
    public static Object setConfig(String cfg,Object value)
    {
       return config.put(cfg,value);
    }
    
    public static void load()
    {
       ObjectInputStream ois=null;
       try {
         ois=new ObjectInputStream(new FileInputStream(getConfigFile()));
         config=(HashMap<String,Object>)ois.readObject();        
      } catch (FileNotFoundException ex) {
         
      } catch (ClassNotFoundException cnf) {
         
      }catch (IOException ex) {
         
      } finally {
         if(ois!=null){
            try {
               ois.close();
            } catch (IOException ex1) {
               //ignore
            }
         }
      }
       loadReplacements();
    }
    
    public static void save()
    {
      ObjectOutputStream oos=null;
      try {
         oos=new ObjectOutputStream(new FileOutputStream(getConfigFile()));
         oos.writeObject(config);         
      } catch (FileNotFoundException ex) {
         
      } catch (IOException ex) {
         
      } finally {
         if(oos!=null){
            try {
               oos.close();
            } catch (IOException ex1) {
               //ignore
            }
         }
      }
       saveReplacements();
    }

   public static List<Replacement> getReplacements() {
      return replacements;
   }
    
    
}