/*
 * File    : TripleString.java
 * Created : 28-apr-2003 10:14
 * By      : fbusquets
 *
 * JClic - Authoring and playing system for educational activities
 *
 * Copyright (C) 2000 - 2018 Francesc Busquets & Departament
 * d'Educacio de la Generalitat de Catalunya
 *
 * 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 2 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 (see the LICENSE file).
 */

package edu.xtec.util;

import java.io.File;
import java.io.FileInputStream;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Properties;

/**
 * @author Francesc Busquets (fbusquets@xtec.cat)
 * @version 13.09.16
 */
public class TripleString extends Object implements Comparable<TripleString> {

  public static final int ELEMENTS = 3;
  public static final int NAME = 0, CLASS = 1, DESCRIPTION = 2;
  public static final char SEP = '|';

  String[] str;

  /** Creates a new instance of TripleString */
  public TripleString(String name, String className, String description) {
    str = new String[ELEMENTS];
    str[NAME] = name;
    str[CLASS] = className;
    str[DESCRIPTION] = description;
  }

  public TripleString(String className, String nameAndDescription) {
    str = new String[ELEMENTS];
    str[CLASS] = className;
    if (nameAndDescription != null) {
      nameAndDescription = nameAndDescription.trim();
      int p = nameAndDescription.indexOf(SEP);
      if (p >= 0) {
        str[NAME] = nameAndDescription.substring(0, p);
        str[DESCRIPTION] = nameAndDescription.substring(p + 1);
      } else {
        str[NAME] = nameAndDescription;
      }
    }
  }

  public String getStr(int index) {
    return (index >= 0 && index < ELEMENTS) ? str[index] : null;
  }

  public void setStr(int index, String s) {
    if (index >= 0 && index < ELEMENTS)
      str[index] = s;
  }

  @Override
  public String toString() {
    return str[NAME];
  }

  public String getDescription() {
    return str[DESCRIPTION];
  }

  public String getClassName() {
    return str[CLASS];
  }

  @Override
  public boolean equals(Object obj) {
    boolean result = false;
    if (obj != null) {
      result = obj.equals(str[NAME]);
    }
    return result;
  }

  public static int getFirstItemWithClass(List<TripleString> tripleListObjects, String className) {
    int result = -1;
    if (className != null && tripleListObjects != null && !tripleListObjects.isEmpty()) {
      for (int i = 0; i < tripleListObjects.size(); i++) {
        TripleString ts = tripleListObjects.get(i);
        if (className.equals(ts.getClassName())) {
          result = i;
          break;
        }
      }
    }
    return result;
  }

  public static List<TripleString> getTripleList(String bundlePath, Options options, boolean includeEmpty,
      boolean sorted, boolean lookInUserDir) throws Exception {
    java.util.ResourceBundle bundle = ResourceManager.getBundle(bundlePath, options.getMessages().getLocale());
    java.util.Enumeration keys = bundle.getKeys();
    List<TripleString> result = new ArrayList<TripleString>();
    while (keys.hasMoreElements()) {
      String key = ((String) keys.nextElement()).trim();
      String str = bundle.getString(key);
      if (str != null)
        result.add(new TripleString(key, str));
    }
    if (lookInUserDir) {
      String bundleName = bundlePath;
      int k = bundleName.lastIndexOf('.');
      if (k > 0)
        bundleName = bundleName.substring(k + 1);
      File file = new File(System.getProperty("user.home"), bundleName + ".properties");
      if (file.exists()) {
        Properties prop = new Properties();
        prop.load(new FileInputStream(file));
        Iterator it = prop.keySet().iterator();
        while (it.hasNext()) {
          String key = (String) it.next();
          String str = prop.getProperty(key);
          if (str != null)
            result.add(new TripleString(key, str));
        }
      }
    }

    if (sorted)
      java.util.Collections.sort(result);
    if (includeEmpty) {
      result.add(0, new TripleString(options.getMsg("NONE"), null, null));
    }
    return result;
  }

  public int compareTo(TripleString obj) {
    return getClassName().compareTo(obj.getClassName());
  }
}