// JavaScript Document
/*************************************************
Star Rating System
Author: Anand Kulkarni

arguments
url : required -- post changes to 
options
	maxvalue: number of stars
	curvalue: number of selected stars
	
************************************************/

$.fn.rating = 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) {
       	$.extend(settings, options);
    };
   	
	//$.extend(settings, {cancel: (settings.maxvalue > 1) ? true : false});
   
   
   var container = $(this);
	
	$.extend(container, {
            averageRating: settings.curvalue,
            url: settings.url
        });

	for(var i= 1; i <= settings.maxvalue ; i++){
		var size = settings.maxvalue;
        var div = '<div class="star"><a href="#'+i+'" title="Give it '+i+'/'+size+'">'+i+'</a></div>';
		$(container).append(div);
 	}
	var span = '<span class="blogPostedBy thanks" style="vertical-align:middle;"></span>';
	$(container).append(span);
	
	var stars = $(container).children('.star');
    var cancel = $(container).children('.cancel');
	var thanks = $(container).children('span.thanks');
	
    stars
	        .mouseover(function(){
                event.drain();
                event.fill(this);
            })
            .mouseout(function(){
                event.drain();
                event.reset();
            })
            .focus(function(){
                event.drain();
                event.fill(this)
            })
            .blur(function(){
                event.drain();
                event.reset();
            });

    stars.click(function(){
		//settings.curvalue = stars.index(this) + 1;
		savecontent = $(container).html();
		//$(container).html("<div width=\"20\" class=\"starLoading\"></div>");
		//$(container).toggleClass("starLoading");
		$.ajax({
			   type: "POST",
			   url: container.url,
			   dataType:"text",
			   data:{
				   	blogid: settings.blogid,
			   		rating: $(this).children('a')[0].href.split('#')[1]
			   },
			   success: function(avgrating)
			   {
				   $.cookie('alreadyvoted_'+settings.blogid, '1', { expires: 365, path: '/', domain: settings.domain });
				   thanks.html("<strong>Thanks for rating!</strong>");
				   $('#totalvotes_'+settings.blogid).html(avgrating);
				   stars.hide();
				   event.reset();
			   }
			   
		});
		return false;
    });

    var event = {
		fill: function(el){ // fill to the current mouse position.
			var index = stars.index(el) + 1;
			stars
				.children('a').css('width', '100%').end()
				.slice(0, index).addClass('hover').end();
		},
		drain: function() { // drain all the stars.
			stars
				.filter('.on').removeClass('on').end()
				.filter('.hover').removeClass('hover').end();
		},
		reset: function(){ // Reset the stars to the default index.
			stars.slice(0,container.averageRating).addClass('on').end();
		}
	}        
	event.reset();
	
	return(this);	

}