// JavaScript Document
/*************************************************
Star Rating System
First Version: 21 November, 2006
Modified version: 19 January, 2008 by Yeu Kang Hua, yeukang@gmail.com

Author: Ritesh Agrawal
Inspriation: Will Stuckey's star rating system (http://sandbox.wilstuckey.com/jquery-ratings/)
Demonstration: http://php.scripts.psu.edu/rja171/widgets/rating.php
Usage: $('#rating').rating('www.url.to.post.com', {maxvalue:5, curvalue:0});

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

************************************************/

var rate_over = false;	
var rateMsgTimer;

function changeRateMsg(item_id, text, color) {
	if (color == null) color = "111111";
	$('#rate_msg' + item_id ).html('<span style="color:#' + color + '">' + text + '</span>');
}

function removeRateMsg(item_id) {
	if (!rate_over) {
		$('#rate_msg' + item_id ).fadeOut("fast");
	}else {
		clearTimeout($('#rate' + item_id).data("clearTimeout"));
		rateMsgTimer = setTimeout("removeRateMsg(" + item_id + ")", 1000);
		$('#rate' + item_id).data("clearTimeout", rateMsgTimer);			
	}
}

jQuery.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
		disabled	: false,
		item_id		: 0,
		label	 	: '',		
		userID		: 0,
		loggedIn	: false,
		userRate	: 0,
		userRated	: false,
		cancel		: false,
		numRates		: 0,
		avarage		: 0
    };
	
    if(options) {
       	jQuery.extend(settings, options);
	   
		if (settings.item_id > 0 && settings.label != "") {
	   		//getAvarage(settings.item_id, settings.label);
			$.get("data/rating.data.php?" + Math.random(), { "item_id": settings.item_id, "label": settings.label },			  
			function(data){			
				settings.curvalue = data;
				event.drain();
				event.reset();
				if (settings.loggedIn) {
					var result = Math.round(settings.curvalue * 10) / 10 
					//if (settings.userRated) {
					//	var youRated = ", Rated: " + settings.userRate;
					//}
					if (result > 0)
						changeRateMsg(settings.item_id, STRING_RATE + ": " + result + " (" + settings.numRates + ")");
					else 
						changeRateMsg(settings.item_id, STRING_RATE_NOTYET);
				}else {
					changeRateMsg(settings.item_id, STRING_RATE_LOGIN);
				}
			});
	   	}
    };
   //jQuery.extend(settings, {cancel: (settings.maxvalue > 1) ? true : false});
   
	
	var container = jQuery(this);
	
	jQuery.extend(container, {
            averageRating: settings.curvalue,
            url: settings.url
        });	

	for(var i= 0; i <= settings.maxvalue ; i++){
		var size = i
        if (i == 0) {		
			if(settings.cancel == true){
	             var div = '<div class="cancel"><a href="#0" title="Cancel Rating">Cancel Rating</a></div>';
				 container.append(div);
			}
        } 
		else {
			if (settings.disabled == false) {
				var msg = "Your rate: " + i + " / 5";
				
				var div = '<div id="star_on' +settings.item_id+ '" class="star"><a class="active star_link' + settings.item_id + '" href="#'+i+'" onmouseover="changeRateMsg('+settings.item_id+',\''+msg+'\',\'c2373f\');">'+i+'</a></div>';
			}else {
				var div = '<div class="star"><span></span></div>';
			}
			container.append(div);

        }
 
		

	}
	
	var stars = jQuery(container).children('.star');
    var cancel = jQuery(container).children('.cancel');
	
			
	stars
			.mouseover(function(){		
				if (settings.disabled == false) {
					event.drain();
					event.fill(this);
					//document.title = stars.index(this)+1;
				}
			})
			.mouseout(function(){
				if (settings.disabled == false) {
					event.drain();
					event.reset();
					
					var result = Math.round(settings.curvalue * 10) / 10 
					if (result > 0)
						changeRateMsg(settings.item_id, STRING_RATE + ": " + result + " (" + settings.numRates + ")");
					else 
						changeRateMsg(settings.item_id, STRING_RATE_NOTYET);
				}
			})
			.focus(function(){
				if (settings.disabled == false) {
					event.drain();
					event.fill(this)
				}
			})
			.blur(function(){
				if (settings.disabled == false) {
					event.drain();
					event.reset();
				}
			});

    stars.click(function(){		
		

		getUserdata = function(item_id, label) {
			$.post("data/json.rate_user.data.php?" + Math.random(), { item_id: item_id, label: label },
				function(result)
				{
					var result_json = eval('(' + result + ')');
					if (result.length > 2) {
						settings.userID = result_json.userID;
						settings.loggedIn = result_json.loggedIn;
						settings.userRated = result_json.userRated;
						settings.userID = result_json.userID;
					}
					
					if (result_json.userRated) {
						settings.disabled = true;
						
						changeRateMsg(settings.item_id , STRING_RATE_THANKS);						
						$('a.star_link' + settings.item_id).replaceWith('<span></span>');
						
						
						//event.drain();
						//event.reset();
						getAvarage(item_id, label)
					}
					
				});
		}
		getAvarage = function(item_id, label) {	
			$.get("data/rating.data.php?" + Math.random(), { "item_id": item_id, "label": label },			  
			function(data){			
				settings.curvalue = data;
				event.drain();	
				event.reset();
			});
		};

		if(settings.maxvalue > 1) { //settings.cancel == true || settings.cancel == false){	

			// Clicking on star
            settings.curvalue = stars.index(this) + 1;
            jQuery.post(container.url, {
                rating: jQuery(this).children('a')[0].href.split('#')[1],
				item_id: settings.item_id, 
				label: settings.label
            }, function(){getUserdata(settings.item_id, settings.label);});
			return false;
		}
		else if(settings.maxvalue == 1){
			// Since we're doing rating, this star-function isn't working
			settings.curvalue = (settings.curvalue == 0) ? 1 : 0;
			
			$(this).toggleClass('on');
			jQuery.post(container.url, {
                rating: jQuery(this).children('a')[0].href.split('#')[1],
				item_id: settings.item_id, 
				label: settings.label
				
            }, getAvarage(settings.item_id, settings.label));
			return false;
		}
		return true;
			
    });

        // cancel button events
	if(cancel){
        cancel
            .mouseover(function(){
                event.drain();
                jQuery(this).addClass('on')
            })
            .mouseout(function(){
                event.reset();
                jQuery(this).removeClass('on')
            })
            .focus(function(){
                event.drain();
                jQuery(this).addClass('on')
            })
            .blur(function(){
                event.reset();
                jQuery(this).removeClass('on')
            });
        
        // click events.
        cancel.click(function(){
            event.drain();
			settings.curvalue = 0;
            /*jQuery.post(container.url, {
                rating: jQuery(this).children('a')[0].href.split('#')[1],
				item_id: + item_id, 
				label: + label
            });*/
            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, Math.floor(settings.curvalue)).addClass('on').end();
		}
	}        
	event.reset();
	
	return(this);	

}