<?php
/** To use this just:
	1. put in your api information at the top
	2. store/retreive your API token in the specified locations
	3.store your api calls 
	
	Ex:  $jet->uploadFile($feed_type, $path);
		$jet->processOrdersByStatus('ready');
		$jet->apiPUT("/orders/".$JET_ORDER_ID."/acknowledge", $data);
	**/

class Jet
{
	protected static $api_user_id   = "your api user id";
	protected static $api_secret    = "your api secret"

	protected static $merchant_id   = "your merchant id";
	protected static $api_prefix 	= 'https://merchant-api.jet.com/api/';


	/**
	 * Refresh Jet API token
	 **/
	public function getNewToken(){
		$ch = curl_init($this::$api_prefix.'/Token');
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		//If necessary add your ssl pem: curl_setopt($ch, CURLOPT_CAINFO,'/ssl/cacert.pem');
		$request = json_encode(array(
			"user" => $this::$api_user_id,
			"pass" => $this::$api_secret
		));                                              
		curl_setopt($ch, CURLOPT_POSTFIELDS, $request);
		curl_setopt($ch, CURLOPT_HTTPHEADER, array(                                                                          
			'Content-Type: application/json',                                                                                
			'Content-Length: ' . strlen($request))                                                                       
		);       
		$data = curl_exec($ch);
		curl_close($ch);
		if($data = json_decode($data)){
			if($token = $data->id_token){
				//SAVE $token SOMEWHERE and save last time you got a token
				$this->setToken($token);
				$this->setTokenTs(date('r'));
				$this->save();
				return true;
			}
		}
		return false;
	}

	/**
	 * Upload bulk file to Jet
	 **/
	public function uploadFile($type, $path){
		$data = $this->apiGET('files/uploadToken');
		$url = $data->url;
		$file_id = $data->jet_file_id;
		$this->apiFilePUT($url, $path, $file_id);
		$this->apiGET('files/uploaded', array("url" => $url, "file_type" => $type, "file_name" => basename($path).".gz"));
	}

	/**
	 * PUT request to $url
	 **/
	public function apiPUT($end_point, $request){
		
		if(substr($end_point,0,1) === "/") $end_point = substr($end_point,1);
		
		//get token if it has been over 9 hours since the last token
		//CHANGE THIS TO WHERE YOU SAVED THE TOKEN AND TS
		if(round((strtotime("now") - strtotime($this->getTokenTs()))/3600, 1) > 9)	$this->getNewToken();

		$api_call_data = array();
		$api_call_data["request_ts"] = date("r", strtotime("now"));
		
		$ch = curl_init($this::$api_prefix . $end_point);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		//If necessary add your ssl pem: curl_setopt($ch, CURLOPT_CAINFO,'/ssl/cacert.pem');
		$request = json_encode($request);              
		curl_setopt($ch, CURLOPT_HTTPHEADER, array(                                                                          
			'Content-Type: application/json',                                                                                
			'Content-Length: ' . strlen($request),
			 //CHANGE THIS TO WHERE YOU SAVED YOUR TOKEN
			'Authorization: Bearer ' . $this->getToken()  )                                                                       
		);       
		curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'PUT');
		curl_setopt($ch, CURLOPT_POSTFIELDS,$request);
		$data = curl_exec($ch);
		
		echo (curl_error ($ch ));
		$httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
		curl_close($ch);

		$api_call_data["request_data"] = (string)var_export($request, true);
		$api_call_data["response_ts"] = date("r", strtotime("now"));
		$api_call_data["response_data"] = (string)var_export($data, true);
		$api_call_data["request_url"] = $this::$api_prefix . $end_point;
		$api_call_data["service_type"] = "Jet";
		$api_call_data["status_code"] = $httpcode;
		//SAVE $api_call_data SOMEWHERE
		
		return json_decode($data);
	}

	/**
	 * PUT request to $url
	 **/
	public function apiFilePUT($url, $path, $file_id = null){
		//get token if it has been over 9 hours since the last token
		//CHANGE THIS TO WHERE YOU SAVED THE TOKEN AND TS
		if(round((strtotime("now") - strtotime($this->getTokenTs()))/3600, 1) > 9)	$this->getNewToken();

		$api_call_data = array();
		$api_call_data["request_ts"] = date("r", strtotime("now"));
		
		//gzip the data
		$file = file_get_contents($path);
		$gz_file = gzencode($file,9);
		$g_path = $path.".gz";
		$gfp = fopen($g_path, 'w+');
		fwrite($gfp, $gz_file);
		rewind($gfp);
		
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_PUT, 1);
		//If necessary add your ssl pem: curl_setopt($ch, CURLOPT_CAINFO,'/ssl/cacert.pem');
		curl_setopt( $ch, CURLOPT_HTTPHEADER, array(  'x-ms-blob-type: BlockBlob' ) );
		curl_setopt($ch, CURLOPT_INFILE, $gfp);
		curl_setopt($ch, CURLOPT_INFILESIZE, filesize($g_path));
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		$data = curl_exec ($ch);
		fclose($gfp);
		
		//delete the file / gzip file
		//unlink($path);
		unlink($g_path);
		
		$api_call_data["response_ts"] = date("r", strtotime("now"));
		$api_call_data["response_data"] = (string)var_export($data, true);
		$api_call_data["request_url"] = $url;
		$api_call_data["service_type"] = "Jet";
		$api_call_data["check_status"] = true;
		if($file_id) $api_call_data["service_id"] = $file_id;
		//SAVE $api_call_data
		return $data;
	}

	/**
	 * Jet API GET
	 **/
	public function apiGET($end_point, $request = null){
		if(substr($end_point,0,1) === "/") $end_point = substr($end_point,1);
		//get token if it has been over 9 hours since the last token
		//CHANGE THIS TO WHERE YOU SAVED THE TOKEN AND TS
		if(round((strtotime("now") - strtotime($this->getTokenTs()))/3600, 1) > 9)	$this->getNewToken();

		$api_call_data = array();
		$api_call_data["request_ts"] = date("r", strtotime("now"));
		
		$ch = curl_init($this::$api_prefix . $end_point);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt( $ch, CURLOPT_HTTPHEADER, array( 'Authorization: Bearer ' . $this->getToken() ) );
		//If necessary add your ssl pem: curl_setopt($ch, CURLOPT_CAINFO,'/ssl/cacert.pem');
		if($request){
			$request = json_encode($request);                                              
			curl_setopt($ch, CURLOPT_POSTFIELDS, $request);
			$api_call_data["request_data"] = (string)var_export($request, true);
		}
		$data = utf8_encode (curl_exec($ch));
		echo (curl_error ($ch ));
		$httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
		curl_close($ch);
		
		$api_call_data["response_ts"] = date("r", strtotime("now"));
		$api_call_data["response_data"] = (string)var_export($data, true);
		$api_call_data["request_url"] = $this::$api_prefix . $end_point;
		$api_call_data["service_type"] = "Jet";
		$api_call_data["status_code"] = $httpcode;
		//SAVE $api_call_data
		
		return json_decode($data);
	}
	
	/**
	* Poll for orders
	**/
	public function processOrdersByStatus($status){
		$data = $this->apiGET("orders/$status");
		foreach($data->order_urls as $end_point){
			$this->processOrder($end_point);
		}
	}
	
	/**
	* Process Order
	**/
	public function processOrder($end_point){
		$data = $this->apiGET($end_point);
		//STORE AND PROCESS $data
	}
}