<?

# CONTROLLER
$truecart = true;
require_once '../init-site.php';

$couponProductAvailable = false;

$shipping = new shipping($db,$session,$db2);
$tax = new salesTax($db2);
$adder = new customerAddresses($db);
$settings = new settings($db);
$valid = new validator();
$cartCoupons = new cartCoupons($db);
$CouponProducts = new cartCouponProducts($db);
$CouponCategories = new cartCouponCategories($db);
$ProductsInCategory = new productsInCategory($db);
$order = new order($db);
include '../models/data.php';

if($_POST['destCitySelected']) $_POST['destCity'] = $_POST['destCitySelected'];

#if($_POST['destCountry'] != 'US' OR $_POST['destCountry'] != 'CA') $_POST['destState'] = '';

$cartValuesArrTmp = $cartVals->get();


if($_POST['destCountry'] AND $_POST['destCountry'] != $cartValuesArrTmp['destCountry']) $changeCountry = true;

if($changeCountry)
{
	unset($cartValuesArrTmp['destCity'], $cartValuesArrTmp['destState'], $cartValuesArrTmp['destPostalCode'], $_POST['destPostalCode'], $_POST['destCity'], $_POST['destState']);
}

if($_POST['selectedShippingMethod']) $shippingCourier = substr($_POST['selectedShippingMethod'], 0, strpos($_POST['selectedShippingMethod'], '_'));

$cartVals->set(array(
	'selectedAddressId'=>($_POST['selectedAddressId']? $_POST['selectedAddressId']:$cartValuesArrTmp['selectedAddressId']), 
	'destState'=>($_POST['destState']? $_POST['destState']:$cartValuesArrTmp['destState']), 
	'destCity'=>($_POST['destCity']? $_POST['destCity']:$cartValuesArrTmp['destCity']), 
	'destCountry'=>($_POST['destCountry']? $_POST['destCountry']:$cartValuesArrTmp['destCountry']), 
	'destPostalCode'=>($_POST['destPostalCode']? $_POST['destPostalCode']:$cartValuesArrTmp['destPostalCode']), 
	'customerHasAccount'=>$_GET['customerHasAccount'], 
	'customerAskedAboutAccount'=>$_GET['customerAskedAboutAccount'], 
	'shipping_method'=>($_POST['selectedShippingMethod']? $_POST['selectedShippingMethod']:$cartValuesArrTmp['shipping_method']), 
	'shipping_currier'=>$shippingCourier));

$cartValuesArr = $cartVals->get();
if(is_array($cartValuesArr)) extract($cartValuesArr);

if(!$_POST['selectedShippingMethod'] AND $shipping_method) $selectedShippingMethod = $shipping_method;
else $selectedShippingMethod = $_POST['selectedShippingMethod'];


$destPostalCode = $cart->cleanPostalCode($destPostalCode); 

$action = ($_GET['action'])? $_GET['action']:$_POST['action']; 

if($_POST['Checkout_x']) $action = 'checkout';

$cart->setRefererUrl(getenv("HTTP_REFERER"));
$refererUrl = $cart->getRefererUrl();

switch($action) # Main decision making
{
	case "add_item":
		$_POST['qty'] = ($_POST['qty'])? $_POST['qty']:1;
		$cart->AddItem(cleaner::intOnly($_POST['id']), cleaner::intOnly($_POST['qty']), $_POST['size'], $_POST['attributes']);
	break;
		
	case "update_cart":
		$cart->UpdateCart();
		if($_GET['coupon'])
		{
			$couponInfo = $cartCoupons->checkCoupon($_GET['coupon']);
			if($couponInfo['id']) $cartVals->coupon_id = $couponInfo['id'];
		}
	break;
		
	case "remove_item":
		$cart->RemoveItem($_GET['id']);
	break;
		
	case "checkout":
		$subTotal = $cart->getSubTotal();
		$cartVals->set(array('cart_shipping'=>($cartValuesArr['cart_shipping'] - $cartValuesArr['shipping_discount'])));
		$zipArr = $cart->zipcodeLookup($destPostalCode,$destCountry);
		$destState = $zipArr['state'];
		$destCity = ($destCitySaved? $destCitySaved:$zipArr['city'][0]);
		$salesTaxAmount = $tax->get($destState, $destCity, $subTotal);
		echo 'checkout';
		if(SITE_SSL) $secureSiteUrl = str_replace('http:','https:',$settings->site_url);
		else $secureSiteUrl = $settings->site_url;
		header("Location: ".$secureSiteUrl."/checkout.html"); exit;
	break;
}

$subTotal = $cartTotal = $cart->getSubTotal();
$products = $cart->getItems();
$cartVals->cart_subtotal = $subTotal;

####### coupon system

function remove_item_by_value($array, $val = '', $preserve_keys = true)
{
	if (empty($array) || !is_array($array)) return false;
	if (!in_array($val, $array)) return $array;

	foreach($array as $key => $value) {
		if ($value == $val) unset($array[$key]);
	}

	return ($preserve_keys === true) ? $array : array_values($array);
}

if($coupon)
{
	$couponInfo = $cartCoupons->getWithCode($coupon);
	$currentCouponId[] = $couponInfo['id'];
} 

if(is_array($products))
foreach($products as $prod)
{	
	$previousCouponsList = explode('|',$prod['coupon_ids']);
	if($previousCouponsList[0] AND $currentCouponId[0]) $couponIdList = array_merge($currentCouponId, $previousCouponsList);
	elseif($previousCouponsList[0]) $couponIdList = $previousCouponsList;
	elseif($currentCouponId[0]) $couponIdList = $currentCouponId;
	
	if(is_array($couponIdList)) $couponIdList = array_unique($couponIdList); 
	
	#echo '<b style="display:none">'; print_r($prod);  echo ' couponIdList:'; print_r($couponIdList);  echo ' previousCouponsList:'; print_r($previousCouponsList); echo '</b>';
	if(is_array($couponIdList))
	foreach($couponIdList as $couponId)
	{
		if(!$couponId) continue;
		
		$couponInfo = $cartCoupons->get($couponId);
		
		# run basic checks on coupon to make sure it is valid
		if($cartCoupons->runChecks($couponInfo))
		{
			if($cartCoupons->checkProduct($prod['product_id']))
			{ 
				# get the discount amount for this product
				switch($couponInfo['type'])
				{
					case 'Percentage': $couponDiscount = $prod['price'] * (($couponInfo['discount'])/100); break;
					case 'Fixed Amount': $couponDiscount = (($prod['price'] - $couponInfo['discount']) < 0? 0:$couponInfo['discount']); break;
				}

				#echo '<b style="display:none">'; print_r($couponInfo); echo 'discount:'.$couponDiscount.'</b>';

				# add up the coupon discounts for this product and if "applies_per_item" is checked on the coupon editor than multiply the discount by the qty of the product in the cart.
				$productDiscount += $couponDiscount * ($couponInfo['applies_per_item']? $prod['qty']:1);
				unset($couponDiscount);
				$allProducts = true;
			}
			else
			{
				 $couponIdList = remove_item_by_value($couponIdList, $couponId);
			}
		}
		else
		{
			trigger_error("The coupon ".$couponInfo['code']." is no longer valid.");
		}
	}
	
	$finalDiscount += $productDiscount;
	
	if(count($couponIdList)) $prodCouponIdsStr = implode('|',$couponIdList);
	$cart->changeProduct(array('product_id'=>$prod['product_id'], 'discount'=>$productDiscount, 'coupon_ids'=>$prodCouponIdsStr));
	
	unset($productDiscount,$couponIdList,$prodCouponIdsStr,$previousCouponsList);
}

$cartVals->cart_discount = $finalDiscount;


if(!$allProducts AND $couponId) trigger_error("There are no products in your cart that this coupon applies to.",512);

# end coupon system


# check if current products in the cart have coupons for them.
if($settings->truecart_coupons)
{
	$productCouponList = $CouponProducts->getProdList();
	$categoryCouponList = $CouponCategories->getCateList();
	foreach($categoryCouponList as $cateId)
	{
		$productCouponList = array_merge($productCouponList, $ProductsInCategory->getProdList());
	}
	
	foreach($products as $prod)
	{
		if(in_array($prod['product_id'],$productCouponList)) $couponProductAvailable = true;
	}	
}

$allItemsShipFree = $cart->allItemsShipFree();

if($customerLoggedIn) # Customer is logged in
{
	$customer->setId($login->id());
	if($cart->shippingNeeded()) # do any products need shipping?
	{
		if(is_array($editAddress))
		{
			$country = $editAddress['country'];
			$state = $editAddress['state'];
		}
		
		if($cartVals->shippingAddressId) # have they selected a shipping address?
		{
			$destCountrySel = new formInput(array('type'=>'select', 'name'=>'destCountry', 'label'=>'Select country you\'re shipping to.', 'onchange'=>'document.cartForm.submit()', 'selected'=>$destCountry),$cart->makeKeyValueArray($settings->cart_shipping_country_list));
			$destCountrySel->addFirstOption('Select Country...');
			
			$shipAddress = $adder->getSingle($cartVals->shippingAddressId);
			$salesTaxAmount = $tax->get($shipAddress['state'], $shipAddress['city'], $subTotal);
			$shipAddress['zip'] = $shipAddress['postal_code'];
			
			$shippingArr = $shipping->get($subTotal, $shipAddress); # get shipping quote
			
			$shippingMethods = $shippingArr['rate'];
			$shippingRateError = $shippingArr['error'];
			$shippingFlatRate = $shippingArr['flat_rate'];
			$shippingFees = $shippingArr['fees'];
			$shippingDiscounts = $shippingArr['discounts'];
			#$shippingFees = $shippingArr['fees'];
			
			/*if(is_array($shippingMethods))
			{	if($selectedShippingMethod) $shippingAmount = $shippingMethods[$selectedShippingMethod];}
			else $shippingAmount = $shippingMethods;*/
			
			if(is_array($shippingMethods))
			{	
				if($selectedShippingMethod) 
				{
					$shippingAmount = $shippingMethods[$selectedShippingMethod];
					if(is_array($shippingDiscounts)) $shippingDiscount = $shippingDiscounts[$selectedShippingMethod];
				}
				
			}
			else $shippingAmount = $shippingMethods;
			
			$cartVals->set(array('shipping_discount'=>$shippingDiscount));
			
			$cartTotal = $subTotal + $salesTaxAmount + $shippingAmount - $shippingDiscount;

			
			$destCountry = $shipAddress['country'];
			$destState = $shipAddress['state'];
			
			$cartVals->set(array('destCity'=>$shipAddress['city'], 'destState'=>$shipAddress['state'], 'destPostalCode'=>$shipAddress['postal_code'], 'destCountry'=>$shipAddress['country'], 'shipping_method'=>$selectedShippingMethod, 'shipping_currier'=>$shipping->getCourier($selectedShippingMethod), 'cart_total'=>$cartTotal, 'cart_shipping'=>$shippingAmount, 'cart_subtotal'=>$subTotal, 'cart_salesTax'=>$salesTaxAmount));
			
			if(!$allItemsShipFree) $render[] = 'tpl_shipping_new_address_boxes';
		}
		else
		{
			$customerAddresses = $customer->getAddresses();
			
			if(count($newAddrFormObj)) // invalid form
			{
				$html .= "<div id='errorDisplay'>";
				foreach($newAddrFormObj as $key => $value)
				{
					if(!$value[result]) $html .= "<div>$value[error]</div>";
					if(!$value[result])
						$err[$key] = "fieldError";
					$val[$key] = urldecode($value[value]);
				}
				if($error) $html .= "<div>$error</div>";
				$html .= "</div>";
			}
			
			$newCountrySel = new formSelect(array('name'=>'country', 'label'=>'Country', 'selected'=>$country), $cart->makeKeyValueArray($settings->cart_shipping_country_list));
			
			$newStateSel = new formSelect(array('name'=>'state', 'first'=>'Select State...', 'selected'=>$state), getData('all_states'));
			
			if(count($newAddrFormObj)) // invalid form
			{
				$html .= "<div id='errorDisplay'>";
				foreach($newAddrFormObj as $key => $value)
				{
					if(!$value[result]) $html .= "<div>$value[error]</div>";
					if(!$value[result])
						$err[$key] = "fieldError";
					$val[$key] = urldecode($value['value']);
				}
				if($error) $html .= "<div>$error</div>";
				$html .= "</div>";
			}
			
			if(!$allItemsShipFree) $render[] = 'tpl_shipping_new_address_boxes';

		}
	}
	
	if(!$adder->valid())// invalid form
	{
		if(is_array($newAddrFormObj)) 
		{
			$html .= "<div id='errorDisplay' style='margin-top:10px'>";
			foreach($newAddrFormObj as $key => $value)
			{
				if(!$value[result]) $html .= "<div>$value[error]</div>";
				if(!$value[result])
					$err[$key] = "fieldError";
				$val[$key] = urldecode($value[value]);
			}
			if($error) $html .= "<div>$error</div>";
			$html .= "</div>";
		}
		
		if(is_array($editAddrFormObj))
		{
			$html .= "<div id='errorDisplay' style='margin-top:10px'>";
			foreach($editAddrFormObj as $key => $value)
			{
				if(!$value[result]) $html .= "<div>$value[error]</div>";
				if(!$value[result])
					$err[$key] = "fieldError";
				$val[$key] = urldecode($value[value]);
			}
			if($error) $html .= "<div>$error</div>";
			$html .= "</div>";
		}
	}
}
else # Not logged in
{
	if($cart->shippingNeeded()) # do any products need shipping?
	{
		$salesTaxAmount = $shippingAmount = 0;
		if($destCountry=="US")
		{
			$zipArr = $cart->zipcodeLookup($destPostalCode, $destCountry);
			$destCity = ($destCitySelected)? $destCitySelected:((count($zipArr['city']) == 1)? $zipArr['city'][0]:null);
			$destCityArr = (count($zipArr['city'])>1)? $zipArr['city']:null;
			$destState = $zipArr['state'];
			if($zipArr['error']) trigger_error($zipArr['message'],512);
		}
		
		if($settings->cart_shipping_us_only)
		{
			$shipping->get($subTotal, array('city'=>$destCity, 'state'=>$destState, 'zip'=>$destPostalCode, 'country'=>$destCountry));
		}
		else
		{
			# get sales tax
			if($destCountry == 'US' AND $destState) $salesTaxAmount = $tax->get($destState, $destCity, $subTotal);
			
			# if location is submitted, get shipping quote  AND $destState AND $destPostalCode
			if($destCountry AND $destCity)
			{
				
				$shippingArr = $shipping->get($subTotal, array('city'=>$destCity, 'state'=>$destState, 'zip'=>$destPostalCode, 'country'=>$destCountry));
				$shippingMethods = $shippingArr['rate'];
				$shippingRateError = $shippingArr['error'];
				$shippingFlatRate = $shippingArr['flat_rate'];
				$shippingFees = $shippingArr['fees'];
				$shippingDiscounts = $shippingArr['discounts'];
				#echo $shippingFees;
				# auto select if only one
				if(!$selectedShippingMethod)
				{
					if(count($shippingMethods) == 1)
					{
						$shipMethodTypes = array_keys($shippingMethods);
						$selectedShippingMethod = $shipMethodTypes[0];
					}
					else
					{
						$shipMethodTypes = array_keys($shippingMethods);
						$selectedShippingMethod = $shipMethodTypes[0];
					}
					$cartVals->set(array('shipping_method'=>$selectedShippingMethod, 'shipping_currier'=>$shipping->getCourier($selectedShippingMethod)));
				}
				
				if(is_array($shippingMethods))
				{	
					if($selectedShippingMethod) 
					{
						$shippingAmount = $shippingMethods[$selectedShippingMethod];
						if(is_array($shippingDiscounts)) $shippingDiscount = $shippingDiscounts[$selectedShippingMethod];
					}
					
				}
				else $shippingAmount = $shippingMethods;
				
				$cartVals->set(array('shipping_discount'=>$shippingDiscount));
				
				$cartTotal = $subTotal + $salesTaxAmount + $shippingAmount - $shippingDiscount;	
			}
			
			# make country select menu
			$destCountrySel = new formInput(array('type'=>'select', 'name'=>'destCountry', 'label'=>'Select country you\'re shipping to.', 'onchange'=>'document.cartForm.submit()', 'selected'=>$destCountry),$cart->makeKeyValueArray($settings->cart_shipping_country_list));
			$destCountrySel->addFirstOption('Select Country...');

			# make US cities select menu if more than one city returned.
			if(is_array($destCityArr)) $destCitySel = new formInput(array('name'=>'destCitySelected', 'onchange'=>'document.cartForm.submit()', 'selected'=>($destCitySelected? $destCitySelected:$destCity)),$destCityArr);

			if($destCountry)
			{
				$cartVals->set(array('destState'=>$destState, 'destCity'=>$destCity, 'destCountry'=>$destCountry, 'destPostalCode'=>$destPostalCode, 'shipping_currier'=>$shipping->getCourier($selectedShippingMethod), 'shipping_method'=>$selectedShippingMethod, 'cart_total'=>$cartTotal, 'cart_shipping'=>$shippingAmount, 'cart_subtotal'=>$subTotal, 'cart_salesTax'=>$salesTaxAmount));
				
			}
		}
						
		#if(!$allItemsShipFree) 
		$render[] = 'tpl_shipping_cost_form';
	}	
}

# update the cart total
$cartTotal = $cartVals->cart_total = $subTotal + $salesTaxAmount + $shippingAmount - $cartVals->cart_discount - $shippingDiscount;

if(is_array($shippingMethods)) if(array_key_exists($selectedShippingMethod, $shippingMethods)) $checkoutOk = true;

$noRight = true;
$docTitle = "Shopping Cart";
$headCode = '<link rel="stylesheet" href="'.DIR_CART_CSS.'style.css" type="text/css" media="screen" title="cart css" />
<script type="text/javascript" src="/js/mootools.js"></script>
<script type="text/javascript" src="'.DIR_CART_JS.'truecart_js_scripts.js"></script>';


#$headCode .= '<script type="text/javascript" charset="utf-8"></script>';

include SITE_HEADER;

if($login->isUserloggedin()) include DIR_CART_VIEWS.'tpl_customer_bar.php';
include DIR_CART_VIEWS.'tpl_cart.php';
$canCheckout = $cart->checkoutOK($cart->shippingNeeded(),$checkoutOk,$allItemsShipFree,count($products));
include DIR_CART_VIEWS.'tpl_checkout_line.php';
echo $html;
if(is_array($render))
foreach($render as $file) include DIR_CART_VIEWS.$file.'.php';
#echo 'Cart Id: '.$session;
echo '</form>';
if($settings->truecart_coupons AND $couponProductAvailable) include DIR_CART_VIEWS.'tpl_cart_coupons.php';
echo '<script type="text/javascript" charset="utf-8">var session = '.$session.'</script>';
include SITE_FOOTER; echo $session;
?>