<?

// $req = new TnxRequest(
	// [
		// CURLOPT_RETURNTRANSFER => true,
		// CURLOPT_URL => "https://carlo.tnx.it/sleep.php?noFlush=1&a=0",
		// CURLOPT_POSTFIELDS => http_build_query([
			// "grant_type" => "refresh_token",
			// "client_id" => $client_id,
			// "client_secret" => $client_secret,
			// "refresh_token" => $DB["users"][$user]["token"]->refresh_token
		// ])
	// ],
	// [
		// 'debug' => true,
		// 'cache' => true,
		// 'cacheDir' => "test",
		// 'getCacheName' => function($curlOpt){
			// return substr($curlOpt[CURLOPT_URL], -1);
		// },
	// ]
// );
// $ret = $req->exec();
class TnxRequest{
	public $curlOpt = [];
	public $debug = false;
	public $cache = false;
	public $cacheDir = '.';
    function __construct($curlOpt = [], $tnxOpt = []){
        $this->curlOpt = $curlOpt;
		foreach($tnxOpt as $k=>$v) $this->$k = $v;
    }
	function info($option = null){
		return curl_getinfo($this->curlHandle, $option);
	}
	function exec(){
		if($this->cache){
			if(is_callable($this->getCacheName)) $cacheName = call_user_func($this->getCacheName, $this->curlOpt);
			else $cacheName = md5(serialize($this->curlOpt));
			if(!is_dir($this->cacheDir)) mkdir($this->cacheDir);
			if(is_file($this->cacheDir."/".$cacheName)) return file_get_contents($this->cacheDir."/".$cacheName);
		}
		
		if($this->debug){
			$this->curlOpt[CURLOPT_VERBOSE] = true;
			$this->curlOpt[CURLOPT_STDERR] = fopen('php://temp', 'w');
		}
		
		$this->curlHandle = curl_init();
		curl_setopt_array($this->curlHandle, $this->curlOpt);
		$return = curl_exec($this->curlHandle);
		
		if($this->debug){
			rewind($this->curlOpt[CURLOPT_STDERR]);
			echo "<pre>".print_r($this->curlOpt, true)."\n".stream_get_contents($this->curlOpt[CURLOPT_STDERR])."</pre>";
		}
		
		if($this->cache) file_put_contents($this->cacheDir."/".$cacheName, $return);
		return $return;
	}
}

?>