/**
* @desc Allows you to retrive remote data is JSON format.  Part of the Codereck Javascript Suite.
*
* @copyright Ryan Zec 2007-2009, All Right Reserved
*
* @license BSD (see LICENSE file included, the generic templete can be found at http://www.opensource.org/licenses/bsd-license.php)
*/
(function($)
{
	//create the codereck scope
	$.cr = $.cr || {};

	//codereck form validation
	$.cr.remote_data = function(options)
	{
		var self = this;
		self.data = {};
		self.count = 0;
		self.options = $.extend(
		{
			//URL to request from the AJAX call
			url: null,

			//whether or not the AJAX call is asynchronous
			async: false,

			//send the request through get or post
			send_type: 'post',

			//these are extra parameters that are passed to the ajax call
			extra_data:
			{
				start: 0,
				stop: 0
			},

			//the index where the data is store
			data_index: 'data',

			//this index where the count of the number of records is stored
			count_index: 'count',

			// function to if data was successful loaded
			callback: function(){}
		}, options);

		var options = self.options;

		$.ajax(
		{
			url: options.url,
			async: options.async,
			data: options.extra_data,
			type: options.send_type,
			success: function(results)
			{
				
				
				//eval('var results = ' + results);
				eval("var results  = (" + results + ")");
				 //eval('(' + req.responseText + ')');
				self.data = results[options.data_index];
				self.count = results[options.count_index];
				options.callback(self);
 			}
		});

		return self;
	}

	$.extend($.cr.remote_data.prototype, $.cr.core);
	$.extend($.cr.remote_data.prototype,
	{
		/**
		* @desc Return the number of records returned
		* @return Int Records returned count
		*/
		get_count: function()
		{
			return this.count;
		},

		/**
		* @desc Allows you to perform and function on each record returned.  The function take 2 parameters, the first is the key and the second is the value(this uses jQuery $.each)
		* @param function Looping function
		* @return void
		*/
		each: function(loop)
		{
			var self = this;

			$.each(self.data, loop);
		},

		/**
		* @desc Returns a record based on passed parameter.
		* @param int Record index to return
		* @return json Record
		*/
		get_record: function(index)
		{
			index--;
			return this.data[index];
		},

		/**
		* @desc Returns a record based on passed parameter.
		* @param int Record id to return
		* @return json Record
		*/
		get_record_by_id: function(id)
		{
		},

		/**
		* @desc Add a record to the end of the data aset.
		* @param int Record id to return(0 starting base)
		* @return json Record
		*/
		add_record: function(data)
		{
			var new_index = this.data.length;
			this.data[new_index] = data;
			this.count++;
		}
	});
})(jQuery);