/**
 * jQuery Ajax Rater Plugin
 *
 * This rater is based on the code Ritesh Agrawal did. Unfortunatly his CSS and the hover technique breaks in some browsers.
 * So i thought, why not use the best CSS star-rater known to man kind and throw it in the mix.
 * I have used the CSS and technique from Komodo Media since it is stable and tested on many, many browsers.
 *
 * This rater compared, has no cancel button. But i think we can live with that :)
 * To avoid conflicts i have changed the function name.
 * 
 * Licensed under The MIT License
 * 
 * @version     1.0
 * @since       03.01.2007
 * @author      Kjell Bublitz <m3nt0r.de@gmail.com
 */
jQuery.fn.rater = function(url, options)
{
	if(url == null) return;
	var settings = {
		url       : url, // post changes to 
		maxvalue  : 5,   // max number of stars
		curvalue  : 0    // number of selected stars
	};
	
	if(options) { jQuery.extend(settings, options); };
	jQuery.extend(settings, {cancel: (settings.maxvalue > 1) ? true : false});
	
	var container = jQuery(this);
	jQuery.extend(container, { averageRating: settings.curvalue, url: settings.url });

    var cssClassAdd="";
    if(settings.color || settings.color != null){cssClassAdd=settings.color+" ";}
    
	if(!settings.style || settings.style == null || settings.style == 'basic') {
		var raterwidth = settings.maxvalue * 15;
		var ratingparent = '<ul class="'+cssClassAdd+'star-rating" style="width:'+raterwidth+'px">';
	}
	if(settings.style == 'small') {
		var raterwidth = settings.maxvalue * 10;
		var ratingparent = '<ul class="'+cssClassAdd+'star-rating small-star" style="width:'+raterwidth+'px">';
	}
	if(settings.style == 'inline') {
		var raterwidth = settings.maxvalue * 10;
		var ratingparent = '<span class="inline-rating"><ul class="'+cssClassAdd+'star-rating small-star'+cssClassAdd+'" style="width:'+raterwidth+'px">';
	}
	container.append(ratingparent);
	
	// create rater
	var starWidth, starIndex, listitems = '';
	var curvalueWidth = Math.floor(100 / settings.maxvalue * settings.curvalue);
	for(var i = 0; i <= settings.maxvalue ; i++) {
		if (i == 0) {
			listitems+='<li class="current-rating" style="width:'+curvalueWidth+'%;">'+settings.curvalue+'/'+settings.maxvalue+'</li>';
		} else {
			starWidth = Math.floor(100 / settings.maxvalue * i);
			starIndex = (settings.maxvalue - i) + 2;
			if(settings.noclick==1)
			    listitems+='<li class="star"><a style="width:'+starWidth+'%;z-index:'+starIndex+'">'+i+'</a></li>';
		    else
		        listitems+='<li class="star"><a class="rate" href="#'+i+'" title="'+i+'/'+settings.maxvalue +'" style="width:'+starWidth+'%;z-index:'+starIndex+'">'+i+'</a></li>';
		        
		}
	}
	container.find('.star-rating').append(listitems); // i am using find here, because the span wrapped in the small style would break children()

	if(settings.maxvalue > 1) // add a container for the ajax result
	{
		container.append('<span class="star-rating-result"></span>'); 
	}
	
	if(settings.noclick==1){}
	else	
	{
	    var stars = jQuery(container).find('.star-rating').children('.star');   
	    stars.click(function()
	    {
		    if(settings.maxvalue == 1) // on / off
		    {
			    settings.curvalue = (settings.curvalue == 0) ? 1 : 0;
			    jQuery(container).find('.star-rating').children('.current-rating').css({width:(settings.curvalue*100)+'%'});
			    jQuery.post(container.url, { "rating": settings.curvalue });
			    return false;
		    }
		    else
		    {
			    settings.curvalue = stars.index(this) + 1;
			    raterValue = jQuery(this).children('a')[0].href.split('#')[1];
			    if (url!='')
			    {
			        jQuery.post(container.url, { "rating": raterValue }, function(response){
				        container.children('.star-rating-result').html(response)	
			        });
			    }
			    else
			    {
			        g('ratingSelect').value=raterValue;
			    }
			    return false;
		    }
		    return true;
	    });
	}

	return this; // strict warning: anonymous function does not always return a value. fix?
}