<?php
/**
 * Magento Extension by TRIC Solutions
 *
 * @copyright  Copyright (c) 2016 TRIC Solutions (http://www.tric.dk)
 * @license    http://www.tric.dk/TRIC-LICENSE-COMMUNITY.txt
 * @store       http://store.tric.dk
 */
class TRIC_Pacsoft_Model_Tracking extends Mage_Core_Model_Abstract 
{
	const ENDPOINT_TRACK_AND_TRACE = "https://api2.postnord.com/rest/shipment/v1/trackandtrace/findByIdentifier.json";
	public function getTrackingHistory($package_number) {
		
		try
		{
			$endpoint = self::ENDPOINT_TRACK_AND_TRACE;
		
			$params = array();	
			$params['id'] = $package_number;
			$params['locale'] = Mage::getStoreConfig('pacsoft/tracking/language');
			$params['apikey'] = "039d9d6d90c9bf849b8532d68da93939";

			$url = $endpoint."?".http_build_query($params);							
			$ch = curl_init($url);
			curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
			curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
			$response = curl_exec($ch);
			
		} 
		catch(Exception $e) 
		{
			Mage::log($e->getMessage(),null,"pacsoft-tracking.log",true);
			return false;
		}
		if($data = json_decode($response,true)) {
			$response = $data;
		}
	
		if($response && is_array($response)) {
			return $this->_handleTrackingResponse($response);
		}
		return false;
		
	}
	
	protected function _handleTrackingResponse($data)
	{
		$response = array();
		$response['data'] = $data;
		$response['status'] = array('header' => '', 'body' => '');
		$response['history'] = array();

		if(isset($data['TrackingInformationResponse']['shipments']) && is_array($data['TrackingInformationResponse']['shipments']))
		{
			foreach($data['TrackingInformationResponse']['shipments'] as $shipment) {
				
				if(isset($shipment['statusText']) && is_array($shipment['statusText']))
				{
					$response['status']['header'] = isset($shipment['statusText']['header']) ? $shipment['statusText']['header'] : "";
					$response['status']['body'] = isset($shipment['statusText']['body']) ? $shipment['statusText']['body'] : "";
				}
				
				$response['status']['code'] = isset($shipment['status']) ? str_replace('_', '', strtolower($shipment['status'])) : "";
				
				foreach($shipment['items'] as $item) {
					
					if(isset($item['events']) && is_array($item['events'])) {
						foreach($item['events'] as $event)
						{
							$history = array();
							$history['time'] = isset($event['eventTime']) ? date("d/m-Y H:i",strtotime($event['eventTime'])) : "";
							$history['message'] = isset($event['eventDescription']) ? $event['eventDescription'] : "";
							$history['message'] .= isset($event['location']['city']) ? " ".$event['location']['city'] : "";
							
							if(isset($event['status']) && $event['status'] == "DELIVERED") {
								if(isset($item['acceptor']['name']) && $item['acceptor']['name']) {
									$history['message'] .= " til " . $item['acceptor']['name'];
								}
							}
							
							$response['history'][] = $history;	
						}
					}
				}
			}
		}
				
		return $response;
	}
	
}