<?php
/* 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();

	//loomis express (canada only)
	$_LOOMIS_ACCOUNT = 'YOUR LOOMIS ACCOUNT NUMBER';
	$_LOOMIS_USERNAME = 'YOUR LOOMIS USERNAME';
	$_LOOMIS_PASSWORD = 'YOUR LOOMIS PASSWORD';

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

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

	//default values
	if ($DATA['origin']['address1'] == '') $DATA['origin']['address1'] = '1 random st';
	if ($DATA['destination']['address1'] == '') $DATA['destination']['address1'] = '1 random st';
	if ($DATA['origin']['city'] == '') $DATA['origin']['city'] = 'random';
	if ($DATA['destination']['city'] == '') $DATA['destination']['city'] = 'random';

	if ($DATA['destination']['country'] == 'CA') {
		//Loomis only rates for Canada addresses
		$LS = new LoomisExpressAPI($_LOOMIS_ACCOUNT,$_LOOMIS_USERNAME,$_LOOMIS_PASSWORD);
		$LS->setOrigin(trim($DATA['origin']['address1'].' '.$DATA['origin']['address2']),$DATA['origin']['city'],$DATA['origin']['province'],$DATA['origin']['postal_code'],$DATA['origin']['country']);
		$LS->setDestination(trim($DATA['destination']['address1'].' '.$DATA['destination']['address2']),$DATA['destination']['city'],$DATA['destination']['province'],$DATA['destination']['postal_code'],$DATA['destination']['country']);
		$r = $LS->getRate($packages,'IMPERIAL',$e);
		if ($r) {
			foreach ($r as $_r) {
				$_RATES[] = array(
					"service_name" => $_r['name'].($_r['businessdays']!=''?" ({$_r['businessdays']} business days)":''),
					"service_code" => $_r['code'],
					"total_price" => $_r['amount']*100, //in cents
					"currency" => 'CAD',
				);
			}
		}
	}
	//end loomis

	return $_RATES;

	/* do not edit below this line */

}