<?php

class Duitku_ApiRequestor {

  public static function get($url, $data_hash)
  {
    return self::remoteCall($url, $data_hash, false);
  }

  public static function post($url, $data_hash)
  {
    return self::remoteCall($url, $data_hash, true);
  }

  public static function remoteCall($url, $data_hash, $post = true)
  {
    $ch = curl_init();

    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array(
        'Content-Type: application/json',
        'Accept: application/json',        
      ));

    if ($post) {
      curl_setopt($ch, CURLOPT_POST, 1);

      if ($data_hash) {
        $body = json_encode($data_hash);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
      }
      else {
        curl_setopt($ch, CURLOPT_POSTFIELDS, '');
      }
    }

    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);    

    $result = curl_exec($ch);
    //curl_close($ch);

    if ($result === FALSE) {
      throw new Exception('CURL Error: ' . curl_error($ch), curl_errno($ch));
    }
    else {
      $httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
      $result_array = json_decode($result);
      if ($httpcode != 200) {
        $message = 'Duitku Error (' . $result . '): ';            
        throw new Exception($message, $httpcode);
      }
      else {
        return $result_array;
      }
    }
  }
}