<?php
class Api
{
    /** API URL */
    public $api_url = 'https://massivefollowers.net/api/v2';

    /** Your API key */
    public $api_key = '';

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

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

    /** Get multiple orders status (up to 100 IDs) */
    public function multiStatus($order_ids)
    {
        return json_decode(
            $this->connect([
                'key'    => $this->api_key,
                'action' => 'status',
                'orders' => implode(',', (array) $order_ids),
            ])
        );
    }

    /** Get services */
    public function services($lang = '')
    {
        $post = [
            'key'    => $this->api_key,
            'action' => 'services',
        ];
        if ($lang !== '') {
            $post['lang'] = $lang;
        }
        return json_decode($this->connect($post));
    }

    /** Refill order */
    public function refill($orderId)
    {
        return json_decode(
            $this->connect([
                'key'    => $this->api_key,
                'action' => 'refill',
                'order'  => $orderId,
            ])
        );
    }

    /** Cancel order */
    public function cancel($orderId)
    {
        return json_decode(
            $this->connect([
                'key'    => $this->api_key,
                'action' => 'cancel',
                'order'  => $orderId,
            ])
        );
    }

    /** Get balance */
    public function balance()
    {
        return json_decode(
            $this->connect([
                'key'    => $this->api_key,
                'action' => 'balance',
            ])
        );
    }

    private function connect($post)
    {
        $_post = [];
        if (is_array($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);
        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;
    }
}

// Examples
$api = new Api();
$api->api_key = 'YOUR_API_KEY';

$services = $api->services(); // All services (optional: services('en'))
$balance  = $api->balance();

// Default order
$order = $api->order([
    'service'  => 1,
    'link'     => 'https://example.com/test',
    'quantity' => 100,
]);

// Drip-feed
$order = $api->order([
    'service'  => 1,
    'link'     => 'https://example.com/test',
    'quantity' => 100,
    'runs'     => 10,
    'interval' => 60,
]);

// Custom Comments
$order = $api->order([
    'service'  => 1,
    'link'     => 'https://example.com/test',
    'comments' => "good\nnice\n:)",
]);

// Package (fixed quantity)
$order = $api->order(['service' => 1, 'link' => 'https://example.com/test']);

// Subscriptions
$order = $api->order([
    'service'  => 1,
    'username' => 'username',
    'min'      => 100,
    'max'      => 110,
    'posts'    => 0,
    'delay'    => 30,
    'expiry'   => '11/11/2026',
]);

// Poll
$order = $api->order([
    'service'       => 1,
    'link'          => 'https://example.com/test',
    'quantity'      => 100,
    'answer_number' => 3,
]);

// Comment Likes
$order = $api->order([
    'service'  => 1,
    'link'     => 'https://example.com/test',
    'quantity' => 100,
    'username' => 'target_user',
]);

$status   = $api->status($order->order);
$statuses = $api->multiStatus([1, 2, 3]);
$refill   = $api->refill($order->order);
$cancel   = $api->cancel($order->order);