function plus(id) {
	var ele = "#productquantity-" + id;
	var qty = Number($(ele).text());
	$(ele).text(qty + 1);
	
	calculateLineTotal(id);
	calculateTotal();
	
	if (qty >= 0) {
		$("#product-" + id).removeClass("hiddenrow");
	}
}

function minus(id) {
	var ele = "#productquantity-" + id;
	var qty = Number($(ele).text());
	$(ele).text(qty - 1);
	
	calculateLineTotal(id);
	calculateTotal();
	
	if (qty <= 1) {
		$("#product-" + id).addClass("hiddenrow");
	}	
	
}

function calculateLineTotal(id) {

	var cost = Number($("#productcost-" + id).text().replace("£",""));
	var qty = Number($("#productquantity-" + id).text()); 
	$("#producttotal-" + id).text(cost * qty);
}

function addProduct() {
	var id = $("#productSelector").val();
	plus(id);
}

function selectShoot(id) {
	
	// set selected shoot
	var count = 0;
	$(".shootrow").each( function() {
		if (count == id)
			$(this).addClass("selectedrow");
		else
			$(this).removeClass("selectedrow");
		
		count++;
	});
	
	$("#shoots-" + id).attr("checked", true);
	
	showHideMakeup(id);
	calculateTotal();
}

function selectMakeup(id) {
	
	// set selected shoot
	var count = 0;
	$(".makeuprow").each( function() {
		if (count == id)
			$(this).addClass("selectedrow");
		else
			$(this).removeClass("selectedrow");
		
		count++;
	});
	
	$("#makeups-" + id).attr("checked", true);
	
	calculateTotal();
}

function showHideMakeup(id) {
	
	var showforstring = $("#shootid-" + id).text();
	var showforarray;
	var match;
	
	var count = 0;
	$(".makeuprow").each( function() {
		showforarray = $("#makeupshowfor-" + count).text().split(",");
		match = jQuery.inArray(showforstring, showforarray);
		
		if (match > -1)
			$(this).removeClass("invalidmakeupforthisshoot");
		else
			$(this).addClass("invalidmakeupforthisshoot");
		
		count++;
	});
	
}


function calculateTotal() {
	
	// make arrays for the shipping costs
	var shippingnames = Array();
	var shippingcosts = Array();
	
	var count = 0;
	$("#shippingcosts tr").each(function() {
		shippingnames[count] = $("#shippingcostname-" + count).text();
		shippingcosts[count] = $("#shippingcostcost-" + count).text().replace("£","");
		count++;
	});
	
	// get the shipping cost
	var shippingcost = 0;
	var s;
	var index;
	var ss, sc, sq;
	count = 0;
	if ($("#setting-showshipping").text() == "yes") {
		$("#producttable .productrow").each(function() {
			ss = $("#productshippingsize-" + count).text();
			sq = $("#productquantity-" + count).text();
			
			if (Number(sq) > 0) {
				index = jQuery.inArray(ss, shippingnames);
				sc = shippingcosts[index];
				//alert("shippingsize: " + ss + ", shippingquantity: " + sq + ", index: " + index + ", cost: " + sc + ", shippingcost: " + shippingcost);
				
				if (Number(sc) > Number(shippingcost)) {
					shippingcost = sc;
				}
			}
			
			count++;
		});
		
		$("#shippingtotal").text("£" + shippingcost);
	}

	
	
	// get the product costs
	var productcost = 0;
	count = 0;
	$("#producttable tr").each(function() {
		productcost = productcost + Number($("#producttotal-" + count).text());
		count++;
	});

	// get the shoot and makeup costs
	var selectedshoot = $(".shoots:checked").val();
	var selectedmakeup = $(".makeups:checked").val();
	var shootcost = $("#shootcost-" + selectedshoot).text().replace("£","");
	var makeupcost = $("#makeupcost-" + selectedmakeup).text().replace("£","");

	// calculate total and update the subtotals
	var total = Number(shootcost) + Number(makeupcost) + Number(productcost) + Number(shippingcost);
	$("#shoottotal").text("£" + shootcost);
	$("#makeuptotal").text("£" + makeupcost);
	$("#productstotal").text("£" + productcost);
	
	$("#total").text("£" + total);
}

function packageGeneratorConfirm() {


	var name = $("#confirmationname").val();
	var date = $("#confirmationdate").val();
	var email = $("#confirmationemail").val();
	var phone = $("#confirmationphone").val();
	var selectedshoot = $(".shoots:checked").val();
	var selectedmakeup = $(".makeups:checked").val();

	if (!(selectedshoot >= 0)) {
		alert("Please select a Shoot");
		return;
	}
	if (!(selectedmakeup >= 0)) {
		alert("Please select your Makeup Type");
		return;
	}
	if (name == "") {
		alert("Please enter your name");
		return;
	}
	if (email == "" && phone == "") {
		alert("Please enter your email address and/or a phone number");
		return;
	}

	name = '&name='+name;
	date = '&date='+date;
	email = '&email='+email;
	phone = '&phone='+phone;
	selectedshoot = '&selectedshoot='+selectedshoot;
	selectedmakeup = '&selectedmakeup='+selectedmakeup;
	
	var shoottotal = '&shoottotal='+$("#shoottotal").text();
	var makeuptotal = '&makeuptotal='+$("#makeuptotal").text();
	var productstotal = '&productstotal='+$("#productstotal").text();
	var total = '&total='+$("#total").text();

	var products = '&products=';

	var count = 0;
	var qty;

	$("#producttable .productrow").each(function() {
		qty = $("#productquantity-"+count).text();
		if (qty > 0)
			products = products + count + "," + qty + ".";

		count++;
	});

	var request = '/packagegenerator/packagegeneratoremail.php?submit=true'+name+date+email+phone+selectedshoot+selectedmakeup+products+shoottotal+makeuptotal+productstotal+total;

	new Ajax.Request(request, {
	  onSuccess: function(transport) {
		  alert("Thank you " + $("#confirmationname").val() + ", your Package has been successfully submitted!");
	  },
	  onFailure: function(transport) {
		  alert("Sorry. Your Package could not be submitted right now, please try again in a few seconds");
	  }
	});


}