/**
 * eZ Star Rating : Rating extension for eZ Publish 4.x
 * Created on     : <02-Nov-2009 00:00:00 ar>
 * 
 * This piece of code depends on jQuery and eZJSCore ( jQuery.ez() plugin ).
 *
 * @copyright Copyright (c) 1999-2010, eZ Systems AS
 * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2.0
 * @package eZ Starating extension for eZ Publish
 *
 */


(function( $ )
{
	
    var _serverUrl = '/ezjscore/', _seperator = '@SEPERATOR$';

    // (static) function version
    function _ez( callArgs, post, callBack )
    {
        callArgs = callArgs.join !== undefined ? callArgs.join( _seperator ) : callArgs;
        var url = _serverUrl + 'call/' + encodeURIComponent( callArgs );
        post = post === undefined ? {} : post;
        post['ezjscServer_function_arguments'] = callArgs;

        return $.post( url, post, callBack, 'json' );
    };
    _ez.url = _serverUrl;
    _ez.seperator = _seperator;
    $.ez = _ez; 

    // methode version, for loading response into elements
    // NB: Does not use json (not possible with .load), so ezjscore/call will return string
    function _ezLoad( callArgs, post, selector, callBack )
    {
        callArgs = callArgs.join !== undefined ? callArgs.join( _seperator ) : callArgs;
        var url = _serverUrl + 'call/' + encodeURIComponent( callArgs );
        post = post === undefined ? {} : post;
        post['ezjscServer_function_arguments'] = callArgs;

        return this.load( url + ( selector ? ' ' + selector : '' ), post, callBack );
    };
    $.fn.ez = _ezLoad;
    
    $(document).ready( function()
    {
        $('ul.ezsr-star-rating').each( function(){
            var node = $( this );
            if ( !node.hasClass('ezsr-star-rating-disabled') )
                   node.addClass('ezsr-star-rating-enabled');
        });
        $('ul.ezsr-star-rating-enabled li a').click( _rate );
    });

    function _rate( e )
    {
        e.preventDefault();
        var args = $(this).attr('id').split('_');
        $('#ezsr_rating_' + args[1]).removeClass('ezsr-star-rating-enabled');
        $('li a', '#ezsr_rating_' + args[1]).unbind( 'click' );
        jQuery.ez( 'ezstarrating::rate::' + args[1] + '::' + args[2] + '::' + args[3], {}, _callBack );
        return false;
    }

    function _callBack( data )
    {
        if ( data && data.content !== '' )
        {
            if ( data.content.rated )
            {
                if ( data.content.already_rated )
                    $('#ezsr_changed_rating_' + data.content.id).removeClass('hide');
                else
                    $('#ezsr_just_rated_' + data.content.id).removeClass('hide');
                $('#ezsr_rating_percent_' + data.content.id).css('width', (( data.content.stats.rounded_average / 5 ) * 100 ) + '%' );
                $('#ezsr_average_' + data.content.id).text( data.content.stats.rating_average );
                $('#ezsr_total_' + data.content.id).text( data.content.stats.rating_count );
            }
            else if ( data.content.already_rated )
                $('#ezsr_has_rated_' + data.content.id).removeClass('hide');
            //else alert('Invalid input variables, could not rate!');
        }
        else
        {
            // This shouldn't happen as we have already checked access in the template..
            // Unless this is inside a aggressive cache-block of course.
            //alert( data.content.error_text );
        }
    }
})(jQuery);