/* ! Copyright 2009 Webroot Software, Inc. All rights reserved */

var productID;

//prices arrays broken down by number of years, and further by price breaks
var WASCEPrices = [ [24.0400,21.7900,19.8900], [31.2490,28.3243,25.8545], [38.4580,34.8585,31.8190] ];
var WASceAVPrices = [ [37.7700,34.2400,31.2500], [49.1042,44.5149,40.6276], [60.4320,54.7840,50.0000] ];  
var baseURL = 'http://www.webroot.com/shoppingcart/update_cart.php?';
var priceBreakIndex;
/**
 * Figures out what price break level the user is at based on the number of PCs
 */
function getPriceBreakPrice(product)
{
	var numberOfYears = $('#'+product+'numberOfYearsSlider').slider("value");
	var priceBreakNumber;
	if (product == "WASCE" || product == "WASCEB")
	{
		priceBreakNumber = WASCEPrices[ numberOfYears - 1 ][getPriceBreakIndex()];
		
		if (numberOfYears < 3) {
			getSavingsPrice ( numberOfYears, product, priceBreakNumber, WASCEPrices[ numberOfYears ][getPriceBreakIndex()] ); 
			}else {
		 $('#'+product+'SavingsBox').html('&nbsp;<br/>&nbsp;<br/>'); 
		 }
	} 
	else if (product == "WASCEAV" || product == "WASCEAVB")
	{
		priceBreakNumber = WASceAVPrices[ numberOfYears - 1 ][getPriceBreakIndex()];
		
		if (numberOfYears < 3) {
			getSavingsPrice ( numberOfYears, product, priceBreakNumber, WASceAVPrices[ numberOfYears ][getPriceBreakIndex()] ); 
			} else {
				$('#'+product+'SavingsBox').html(''); 
				}
	}
	var ppu = (priceBreakNumber / numberOfYears).toFixed(2);
	$("span#"+product+"PPU").html('$' + ppu);
	
	return priceBreakNumber;		
}
/**
 *  Get the "if you choose one more year, save blah blah"
 */
 function getSavingsPrice (numYears, product, priceBreakNumber, nextPriceBreak)
 {
	var numberOfSeats = $('div#'+productID+'numberOfSeatsSlider').slider("value");
	//var savings = nextPriceBreak - priceBreakNumber;
	var thisCost = priceBreakNumber * numberOfSeats;
	var nextHighest = nextPriceBreak * numberOfSeats;
	var savings = nextHighest - thisCost;
	
	 if (numYears == 1)
	 {
		 $('#'+product+'SavingsBox').html('<strong>Protect All of Your PCs for Two Years<br/>For Only $'+savings.toFixed(2)+' More!</strong>');
	 }
	 if (numYears == 2)
	 {
		 $('#'+product+'SavingsBox').html('<strong>Protect All of Your PCs for Three Years<br/>For Only $'+savings.toFixed(2)+' More!</strong>');
	 }
	 if (numYears == 3)
	 {
		 $('#'+product+'SavingsBox').html('&nbsp;<br/>&nbsp;<br/>');
	 }
 }
/**
 *  Populate the prices and cart links
 */
function getPrice(product) 
{
	productID = product;
	var numberOfSeats=$('div#'+product+'numberOfSeatsSlider').slider("value");
   	var zeroBasedYears=$('#'+product+'numberOfYearsSlider').slider("value")-1;
	
   switch(product) 
   {
	   case "WASCE":
		   populatePrices ( getPriceBreakPrice( product ), numberOfSeats );
		   cartLink = baseURL + '71151_quantity='+numberOfSeats+'&71151_years='+zeroBasedYears+'&clr=y';
		   $('a#'+product+'CartLink').attr("href", cartLink);  
	   break; 
	   
	   case "WASCEAV":
		   populatePrices ( getPriceBreakPrice( product ), numberOfSeats );
		   cartLink = baseURL + '72151_quantity='+numberOfSeats+'&72151_years='+zeroBasedYears+'&clr=y'; 
		   $('a#'+product+'CartLink').attr("href", cartLink); 
		break; 
		
		case "WASCEB":
		   populatePrices ( getPriceBreakPrice( product ), numberOfSeats );
		   cartLink = baseURL + '71151_quantity='+numberOfSeats+'&71151_years='+zeroBasedYears+'&clr=y';
		   $('a#'+product+'CartLink').attr("href", cartLink);  
	   break; 
	   
	   case "WASCEAVB":
		   populatePrices ( getPriceBreakPrice( product ), numberOfSeats );
		   cartLink = baseURL + '72151_quantity='+numberOfSeats+'&72151_years='+zeroBasedYears+'&clr=y'; 
		   $('a#'+product+'CartLink').attr("href", cartLink); 
		break; 
   }
}

/**
 * Figure out which array index the user is at based on number of seats
 */
function getPriceBreakIndex()
{
	var numberOfSeats = $('div#'+productID+'numberOfSeatsSlider').slider("value");
   
   var priceBreakIndex;
   
   // get price break
    if (numberOfSeats < 25)
	{
	   priceBreakIndex = 0;
	}
	if (numberOfSeats >= 25 && numberOfSeats <100)
	{
		priceBreakIndex = 1;
	}
	if (numberOfSeats >= 100)
	{
		priceBreakIndex = 2;	
	}
	
	return priceBreakIndex;
}
/**
 * Populates all of the HTML with the prices
 */
function populatePrices( pricePerUnit, numberOfSeats )
{
	var totalPrice = (pricePerUnit * numberOfSeats).toFixed(2);
	var totalPriceString = totalPrice.toString();
	$('h3#'+productID+'Price').html('$' + totalPriceString);	
}