/**
 * java -jar jsrun.jar app/run.js -p -a -t=templates/outline ../public/javascripts/urlize.js
 */

/**
 * See (http://jquery.com/).
 * @name jQuery
 * @class
 * See the jQuery Library (http://jquery.com/) for full details.
 */
(function($){  

/**
 * See (http://jquery.com/)
 * @name jQuery.fn
 * @class
 * See the jQuery Library (http://jquery.com/) for full details.
 */
 
/**
 * Transform your string to url thanks to urlize function
 * @name urlize
 * @constructor
 * @memberOf jQuery.fn
 */
jQuery.fn.urlize = function(options){   

  /**
  * Object default settings, contain default settings
  * @private
  * @field
  * @name jQuery.fn.urlize.defaultSettings
  * @type Object
  */
  var defaultSettings = jQuery.extend({
    destination: '',
    // Can be '-' or '_'
    separator: '-',
    // If you need more pattern : http://www.pjb.com.au/comp/diacritics.html
    replacement_patterns: {
      'a': ['\340', '\341', '\342', '\343', '\344', '\345', '\346'], // à,á,â,ã,ä,å,æ
      'c': ['\347'], // ç
      'e': ['\351', '\350', '\352', '\353'], // é,è,ê,ë
      'i': ['\354', '\355', '\356', '\357'], // ì,í,î,ï
      'o': ['\360', '\362', '\363', '\364', '\365', '\366', '\370'], // ð,ò,ó,ô,õ,ö,ø
      'u': ['\371', '\372', '\373', '\374'], // ù,ú,û,ü
      'y': ['\375', '\376', '\377', '\374'] // ý,þ,ÿ
    },
    limit: 40
  }, options);  
  
  /**
  * Object settings, contain default settings and options
  * @private
  * @field
  * @name jQuery.fn.urlize.settings
  * @type Object
  */
  var settings = $.extend({}, defaultSettings, options);
  
  /**
   * Transform a string to an url
   * @static
   * @function
   * @name jQuery.fn.urlize.toUrl
   * @param {String} str String to transform
   */
  this.toUrl = function(str){
    var separator = Boolean(settings.separator) ? settings.separator : '-';
    var separator_competitor = separator == '-' ? '_' : '-';

    // Only lowercase
    str = str.toLowerCase();
    // Replace spaces at the beginning and the end
    str = $.trim(str);
    // Replace all space by the separator
    str = str.replace(/ /gi, separator);

    // Replace the patterns by the key caractere
    $.each(settings.replacement_patterns, function(caractere, patterns){
      $.each(patterns, function(key, pattern){
        str = str.replace(new RegExp(pattern, 'gi'), caractere);
      });
    });

    // We only allow 0 to 9, a to z and separator
    str = str.replace(/[^a-z0-9-_]/gi, '');

    // Remove competitor separator
    str = str.replace(new RegExp(separator_competitor, 'gi'), separator);

    // Remove doublons
    str = str.replace(/--/gi, separator);
    str = str.replace(/--/gi, separator);
    str = str.replace(/__/gi, separator);
    str = str.replace(/__/gi, separator);
    
    return str;
  };

  /**
   * Define destination selector
   * @function
   * @inner
   * @name jQuery.fn.urlize#defineDestination
   * @param {String} selector Define the new selector
   */
  var defineDestination = function(selector){
    settings.destination = Boolean(settings.destination) ? settings.destination : selector.attr('id');
  }
  
  /**
   * @ignore
   */
  this.intialize = function() {
    var self = this;
    
    defineDestination($(this));
    $(this).keyup(function(e){
      $('#'+ settings.destination).val(self.toUrl($(this).val()).substring(0, settings.limit));
    });
  };
  
  return this.intialize();
  //return this.each(function() {  });  
};

})(jQuery);