<?php
/**
 * LeoProvider API – PHP example
 * Usage:
 *   $api = new PanelApi('YOUR_API_KEY');
 *   print_r($api->services());
 *   print_r($api->add(['service' => 5, 'link' => 'https://instagram.com/username', 'quantity' => 1000]));
 *   print_r($api->status(40321));
 *   print_r($api->multiStatus([40321, 40322]));
 *   print_r($api->refill(40321));
 *   print_r($api->refillStatus(1204));
 *   print_r($api->cancel(40322));
 *   print_r($api->speedUp(40322));
 *   print_r($api->balance());
 */
class PanelApi
{
    public $url = 'https://leoprovider.com/api/v1';
    private $key;

    public function __construct($key) { $this->key = $key; }

    /** Place an order: service, link, quantity – plus runs + interval (drip-feed), comments (custom comments) or speed (custom speed) */
    public function add(array $data) { return $this->call(['action' => 'add'] + $data); }
    public function status($order) { return $this->call(['action' => 'status', 'order' => $order]); }
    public function multiStatus(array $orders) { return $this->call(['action' => 'status', 'orders' => implode(',', $orders)]); }
    public function services() { return $this->call(['action' => 'services']); }
    public function refill($order) { return $this->call(['action' => 'refill', 'order' => $order]); }
    public function multiRefill(array $orders) { return $this->call(['action' => 'refill', 'orders' => implode(',', $orders)]); }
    public function refillStatus($refill) { return $this->call(['action' => 'refill_status', 'refill' => $refill]); }
    public function multiRefillStatus(array $refills) { return $this->call(['action' => 'refill_status', 'refills' => implode(',', $refills)]); }
    public function cancel($order) { return $this->call(['action' => 'cancel', 'order' => $order]); }
    public function speedUp($order) { return $this->call(['action' => 'speed_up', 'order' => $order]); }
    public function balance() { return $this->call(['action' => 'balance']); }

    /** POST to the API and decode the JSON answer (an array with an "error" key when something went wrong) */
    private function call(array $post)
    {
        $post['key'] = $this->key;
        $ch = curl_init($this->url);
        curl_setopt_array($ch, [
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_POST           => true,
            CURLOPT_POSTFIELDS     => http_build_query($post),
            CURLOPT_TIMEOUT        => 30,
            CURLOPT_SSL_VERIFYPEER => true,
            CURLOPT_USERAGENT      => 'PanelApi/1.0 (+PHP)',
        ]);
        $body = curl_exec($ch);
        if ($body === false) {
            $err = curl_error($ch);
            curl_close($ch);
            return ['error' => 'Request failed: ' . $err];
        }
        curl_close($ch);
        $json = json_decode($body, true);
        return is_array($json) ? $json : ['error' => 'Unexpected answer: ' . substr((string) $body, 0, 200)];
    }
}