/* 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();

	$_UPS_CLIENT_ID = "YOUR_CLIENT_ID";
	$_UPS_CLIENT_SECRET = "YOUR_CLIENT_SECRET";
	$_UPS_ACCOUNT = "YOUR_ACCOUNT_NUMBER"; //set to null if you DON'T want to use negotiated rates

	$w = 0;
	$t = 0;
	foreach ($DATA['items'] as $i) {
		$w += $i['quantity']*round($i['grams']/1000*2.20462,2);
		$t += $i['quantity']*$i['price']/100;
	}

	//default box size
	$packages = array(
		array('length'=>12, 'width'=>8.75, 'height'=>6, 'weight'=>$w),
	);

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

	$ups = new UPSRESTAPI($_UPS_CLIENT_ID,$_UPS_CLIENT_SECRET,$_UPS_ACCOUNT);
	$ups->setOrigin($DATA['origin']['city'],$DATA['origin']['province'],$DATA['origin']['postal_code'],$DATA['origin']['country']);
	$ups->setDestination($DATA['destination']['city'],$DATA['destination']['province'],$DATA['destination']['postal_code'],$DATA['destination']['country'],$isresidential,$DATA['destination']['address1']);
	$ups->getTransitTime = true;

	//fetch regular rates
	$r = $ups->getRate($packages,'IMPERIAL');
	if ($r) {
		foreach ($r as $_r) {
			$eta = '';
			if ($_r['businessdays'] != '') $eta = "Est. {$_r['businessdays']} business days";
			$_RATES[] = array(
				"service_name" => $_r['name'],
				"service_code" => $_r['code'],
				"description" => $eta,
				"total_price" => ceil($_r['amount']*100), //in cents
				"currency" => "USD",
			);
		}
	}

	//fetch access points within 5 miles of customer
	$range = 5;
	$location_options = array(
		'LocatorRequest' => array(
			'LocationSearchCriteria' => array(
				'SearchOption' => array(
					'OptionType' => array(
						'Code' => '01', //service level option (01=full service centers, 02=shipping & dropoff center, 05=all, 06=self service center)
					),
					'OptionCode' => array(
						'Code' => '001', //location type (001=customer center, 002=ups store, 003=drop box, 018=access point, 011=access point/kiala point/ups paket shop
					),
				),
			),
		),
	);
	$ups->setOptions($location_options,'LOCATOR');
	$locations = $ups->fetchLocationsFromUPS(trim("{$DATA['destination']['address1']} {$DATA['destination']['address2']}"),$DATA['destination']['city'],$DATA['destination']['province'],$DATA['destination']['postal_code'],$DATA['destination']['country'],$range);
	foreach ($locations as $l) {
		$_RATES[] = array(
			"service_name" => $l['type'].' '.$l['name'].' ('.$l['distance'].')',
			"service_code" => "{$l['name']}",
			"description" => trim("{$l['address']} ({$l['hours']})"),
			"total_price" => 0, //in cents
			"currency" => "USD",
		);
	}

	return $_RATES;

	/* do not edit below this line */

}