const ERROR_API = "Error during API call\n";
const ERROR_FILE = "The specified file does not exist\n";
const URL = "https://api.smsmode.com/http/1.6/";
const PATH_SEND_SMS = "sendSMS.do";
const PATH_SEND_SMS_BATCH = "sendSMSBatch.do";
 
/**
* Function parameters:
*
* - accessToken (required)
* - message (required)
* - destinataires (required): Receivers separated by a comma
* - emetteur (optional): Allows to deal with the sms sender
* - optionStop (optional): Deal with the STOP sms when marketing send (cf. API HTTP documentation)
* - batchFilePath (required for batch mode): The path of CSV file for sms in Batch Mode
*/
 
class ExempleClientHttpApi 
{
 // send SMS with GET method
 public function sendSmsGet($accessToken, $message, $destinataires, $emetteur, $optionStop) 
 {
 $message = iconv("UTF-8", "ISO-8859-15", $message);
 $fields_string = '?accessToken='.$accessToken.'&message='.urlencode($message).'&numero='.$destinataires.'&emetteur='.$emetteur.'&stop='.$optionStop;
 
 $ch = curl_init();
 curl_setopt($ch,CURLOPT_RETURNTRANSFER, true);
 curl_setopt($ch,CURLOPT_URL, URL.PATH_SEND_SMS.$fields_string);
 $result = curl_exec($ch);
 curl_close($ch);
 if (!$result) {
 return ERROR_API;
 }
 return $result;
 }
 
 // send SMS with POST method
 public function sendSmsPost($accessToken, $message, $destinataires, $emetteur, $optionStop) 
 {
 $message = iconv("UTF-8", "ISO-8859-15", $message);
 $fields_string = 'accessToken='.$accessToken.'&message='.urlencode($message).'&numero='.$destinataires.'&emetteur='.$emetteur.'&stop='.$optionStop;
 
 $ch = curl_init();
 curl_setopt($ch,CURLOPT_RETURNTRANSFER, true);
 curl_setopt($ch,CURLOPT_URL, URL.PATH_SEND_SMS);
 curl_setopt($ch,CURLOPT_POST, 1);
 curl_setopt($ch,CURLOPT_POSTFIELDS, $fields_string);
 $result = curl_exec($ch);
 curl_close($ch);
 if (!$result) {
 return ERROR_API;
 }
 return $result;
 }
 
 // send SMS with POST method (Batch)
 public function sendSmsBatch($accessToken, $batchFilePath, $optionStop) 
 {
 if (!file_exists($batchFilePath)) {
 return ERROR_FILE;
 }
 
 $fields_string = '?accessToken='.$accessToken.'&stop='.$optionStop;
 $cfile = new CurlFile($batchFilePath, 'text/csv');
 $data = array('data-binary' => $cfile);
 
 $ch = curl_init();
 curl_setopt($ch,CURLOPT_RETURNTRANSFER, true);
 curl_setopt($ch, CURLOPT_HTTPHEADER, array( 'content-type: multipart/form-data'));
 curl_setopt($ch,CURLOPT_URL, URL.PATH_SEND_SMS_BATCH.$fields_string);
 curl_setopt($ch,CURLOPT_POST, 1);
 curl_setopt($ch,CURLOPT_POSTFIELDS, $data);
 $result = curl_exec($ch);
 curl_close($ch);
 if (!$result) {
 return ERROR_API;
 }
 return $result;
 }
}