/* This macro will be parsed as PHP code (see http://www.php.net)

The calculateshipping function is called every time a shipping calculation request is made by Shopify.

The function must return an array of available shipping options, otherwise no shipping options will be returned to your customers.
*/
function calculateshipping($DATA) {

	/* do not edit above this line */

	$_RATES = array();

	//calculate total weight
	$w = 0;
	foreach ($DATA['items'] as $i) {
		$w += $i['quantity']*round($i['grams']/1000*2.20462,2);
	}

	//pull from fedex
	$isresidential = true;
	if ($DATA['destination']['company_name'] !== null && $DATA['destination']['company_name'] != '') $isresidential = false;

	$_FEDEX_ACCOUNT = '1111111';
	$_FEDEX_METER = '22222222';
	$_FEDEX_FREIGHT_ACCOUNT = '33333333';
	$_FEDEX_KEY = 'YOUR_KEY_HERE';
	$_FEDEX_PASSWORD = 'YOUR_PASSWORD_HERE';

	$packages = array(
		array('weight'=>$w, 'length'=>18, 'width'=>12, 'height'=>4),
	);

	if ($DATA['destination']['city'] == '') $DATA['destination']['city'] = 'city';
	if ($DATA['destination']['address1'] == '') $DATA['destination']['address1'] = 'address';

	$fedex = new FedExAPI($_FEDEX_ACCOUNT,$_FEDEX_METER,$_FEDEX_KEY,$_FEDEX_PASSWORD);
	$fedex->setOrigin($DATA['origin']['province'],$DATA['origin']['postal_code'],$DATA['origin']['country'],$DATA['origin']['city'],$DATA['origin']['address1']);
	$fedex->setDestination($DATA['destination']['province'],$DATA['destination']['postal_code'],$DATA['destination']['country'],$isresidential,$DATA['destination']['city'],$DATA['destination']['address1']);
	$r = $fedex->getFreightRate($packages,$_FEDEX_FREIGHT_ACCOUNT,'CLASS_070');
	if ($r) {
		foreach ($r as $_r) {
			$eta = '';
			if ($_r['businessdays'] != '') $eta = "Estimated {$_r['businessdays']} days";
			$_RATES[] = array(
				"service_name" => $_r['name'],
				"service_code" => $_r['name'],
				"total_price" => $_r['amount']*100, //in cents
				"description" => $eta,
				"currency" => "USD",
			);
		}
	}

	return $_RATES;

	/* do not edit below this line */

}