<?php
class Api
{
    public $api_url;
    public $api_key;
    public $services;    
    public function __construct($api_url, $api_key) {
        $this->api_key = $api_key;
        $this->api_url = $api_url;
    }

    public function order($data) { // add order
        $post = array_merge(array('key' => $this->api_key, 'action' => 'add'), $data);
        return json_decode($this->connect($post));
    }

    public function status($order_id) { // get order status
        return json_decode($this->connect(array(
            'key' => $this->api_key,
            'action' => 'status',
            'order' => $order_id
        )));
    }

    public function multiStatus($order_ids) { // get order status
        return json_decode($this->connect(array(
            'key' => $this->api_key,
            'action' => 'status',
            'orders' => implode(",", (array)$order_ids)
        )));
    }

    public function services() {
        $this->services = json_decode($this->connect(array(
            'key' => $this->api_key,
            'action' => 'services',
        )));
        return $this->services;
    }
    
    public function service($serv_id) {
        if(empty($this->services)){
            $this->services();
        }
        foreach($this->services as $service){
            if($service->service == $serv_id){
                return $service;
            }
        }
        return null;
    }

    public function balance() { // get balance
        return json_decode($this->connect(array(
            'key' => $this->api_key,
            'action' => 'balance',
        )));
    }


    private function connect($post) {
        $_post = Array();
        if (is_array($post)) {
            foreach ($post as $name => $value) {
                $_post[] = $name.'='.urlencode($value);
            }
        }

        $ch = curl_init($this->api_url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_HEADER, 0);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
        if (is_array($post)) {
            curl_setopt($ch, CURLOPT_POSTFIELDS, join('&', $_post));
        }
        curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)');
        $result = curl_exec($ch);
        if (curl_errno($ch) != 0 && empty($result)) {
            $result = false;
        }
        curl_close($ch);
        return $result;
    }
}

/*
$smm = new Api("https://domain.com/api/v2","hfru3edvkftiyr66fbk75rn746yv");
$balance = $smm->balance();
$services = $smm->services();
$service = $smm->service("123");
*/

?>