/*
    * This software was designed and created by Jason Carroll.
    * Copyright (c) 2002, 2003, 2004 Jason Carroll.
    * The author can be reached at jcarroll@cowsultants.com
    * ITracker website: http://www.cowsultants.com
    * ITracker forums: http://www.cowsultants.com/phpBB/index.php
    *
    * This program is free software; you can redistribute it and/or modify
    * it only 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.
   */
  
  package org.itracker.services.util;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.List;
  import java.util.Locale;
  import java.util.NoSuchElementException;
  import java.util.StringTokenizer;
  
  import org.itracker.model.Component;
  import org.itracker.model.CustomFieldValue;
  import org.itracker.model.NameValuePair;
  import org.itracker.model.User;
  import org.itracker.model.Version;
  
  public class Convert {
  	/**
  	 * Converts an array of CustomFieldValueModels to NameValuePairs
  	 * 
  	 * @param options
  	 *            the array of CustomFieldValueModels to convert
  	 * @return the new NameValuePair array
  	 */
  	public static List<NameValuePair> customFieldOptionsToNameValuePairs(
  			List<CustomFieldValue> options) {
  		return customFieldOptionsToNameValuePairs(options, null);
  		
  	}
  	/**
  	 * Converts an array of CustomFieldValueModels to NameValuePairs
  	 * 
  	 * @param options
  	 *            the array of CustomFieldValueModels to convert
  	 * @return the new NameValuePair array
  	 */
  	public static List<NameValuePair> customFieldOptionsToNameValuePairs(
  			List<CustomFieldValue> options, Locale locale) {
  		List<NameValuePair> returnValues = new ArrayList<NameValuePair>();
  		String name;
  		if (options != null) {
  			returnValues = new ArrayList<NameValuePair>();
  			for (int i = 0; i < options.size(); i++) {
  				name = CustomFieldUtilities.getCustomFieldOptionName(options.get(i), locale);
  				returnValues
  						.add(new NameValuePair(name, options.get(i).getValue()));
  			}
  		}
  
  		return returnValues;
  	}
  	/**
  	 * Converts an array of UserModels to NameValuePairs
  	 * 
  	 * @param options
  	 *            the array of UserModels to convert
  	 * @return the new NameValuePair array
  	 */
  	public static List<NameValuePair> usersToNameValuePairs(List<User> users) {
  		List<NameValuePair> returnValues = new ArrayList<NameValuePair>();
  
  		if (users != null) {
  			returnValues = new ArrayList<NameValuePair>();
  			for (int i = 0; i < users.size(); i++) {
  				returnValues.add(new NameValuePair(users.get(i).getFirstName()
  						+ " " + users.get(i).getLastName(), users.get(i)
  						.getId().toString()));
  			}
  		}
  
  		return returnValues;
  	}
  
  	/**
  	 * Converts an array of ComponentModels to NameValuePairs
  	 * 
  	 * @param options
  	 *            the array of ComponentModels to convert
  	 * @return the new NameValuePair array
  	 */
  	public static List<NameValuePair> componentsToNameValuePairs(
  			List<Component> components) {
 		NameValuePair[] returnValues = new NameValuePair[0];
 
 		if (components != null) {
 			returnValues = new NameValuePair[components.size()];
 			for (int i = 0; i < components.size(); i++) {
 				returnValues[i] = new NameValuePair(
 						components.get(i).getName(), components.get(i).getId()
 								.toString());
 			}
 		}
 
 		return Arrays.asList(returnValues);
 	}
 
 	/**
 	 * Converts an array of VersionModels to NameValuePairs
 	 * 
 	 * @param options
 	 *            the array of VersionModels to convert
 	 * @return the new NameValuePair array
 	 */
 	public static List<NameValuePair> versionsToNameValuePairs(
 			List<Version> versions) {
 		NameValuePair[] returnValues = new NameValuePair[0];
 
 		if (versions != null) {
 			returnValues = new NameValuePair[versions.size()];
 			for (int i = 0; i < versions.size(); i++) {
 				returnValues[i] = new NameValuePair(
 						versions.get(i).getNumber(), versions.get(i).getId()
 								.toString());
 			}
 		}
 
 		return Arrays.asList(returnValues);
 	}
 
 	public static String[] stringToArray(String input) {
 		if (input == null || "".equals(input)) {
 			return new String[0];
 		}
 
 		List<String> tokenList = new ArrayList<String>();
 		StringTokenizer tokenizer = new StringTokenizer(input, " ");
 		while (tokenizer.hasMoreElements()) {
 			boolean quotedToken = false;
 			String tokenString = tokenizer.nextToken();
 			if (tokenString.startsWith("\"")) {
 				quotedToken = true;
 				tokenString = tokenString.substring(1);
 				if (tokenString.endsWith("\"") && !tokenString.endsWith("\\\"")) {
 					quotedToken = false;
 					tokenString = tokenString.substring(0, tokenString.length() - 1);
 				}
 			}
 
 			if (quotedToken) {
 				boolean getNext = true;
 
 				StringBuffer token = new StringBuffer(tokenString);
 				while (getNext) {
 					try {
 						token.append(tokenizer.nextToken("\""));
 						if (!token.toString().endsWith("\\\"")) {
 							getNext = false;
 						}
 					} catch (NoSuchElementException e) {
 						break;
 					}
 				}
 				tokenString = token.toString();
 			}
 
 			tokenList.add(tokenString);
 		}
 
 		String[] stringArray = (String[]) tokenList.toArray(new String[] {});
 
 		return stringArray;
 	}
 }