<?php

/**
 * myhostname.in - API example
 *
 * Endpoint: https://myhostname.in/api/v2
 * Every call is a POST with a "key" and an "action". Get your key from the
 * Account page. Responses are JSON.
 */

class SmmApi
{
    /** Your API key, from the Account page. */
    private $api_key = 'YOUR_API_KEY';

    /** This panel's endpoint. */
    private $api_url = 'https://myhostname.in/api/v2';

    /** Place an order. Returns ['order' => 23501]. */
    public function order($data)
    {
        return $this->connect(array_merge(['action' => 'add'], $data));
    }

    /** Status of one order. Pass the id you got back from order(). */
    public function status($order_id)
    {
        return $this->connect([
            'action' => 'status',
            'order'  => $order_id,
        ]);
    }

    /** Status of several orders at once. Pass an array of ids. */
    public function multiStatus($order_ids)
    {
        return $this->connect([
            'action' => 'status',
            'orders' => implode(',', (array) $order_ids),
        ]);
    }

    /** Every service, with its rate, min and max. */
    public function services()
    {
        return $this->connect(['action' => 'services']);
    }

    /** Ask for a refill on a completed order. */
    public function refill($order_id)
    {
        return $this->connect([
            'action' => 'refill',
            'order'  => $order_id,
        ]);
    }

    /** Where a refill request got to. */
    public function refillStatus($refill_id)
    {
        return $this->connect([
            'action' => 'refill_status',
            'refill' => $refill_id,
        ]);
    }

    /** Cancel orders. Pass an array of ids. */
    public function cancel($order_ids)
    {
        return $this->connect([
            'action' => 'cancel',
            'orders' => implode(',', (array) $order_ids),
        ]);
    }

    /** Your balance and currency. */
    public function balance()
    {
        return $this->connect(['action' => 'balance']);
    }

    private function connect($post)
    {
        $post['key'] = $this->api_key;

        $ch = curl_init($this->api_url);
        curl_setopt_array($ch, [
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_POST           => true,
            CURLOPT_POSTFIELDS     => http_build_query($post),
            CURLOPT_HTTPHEADER     => ['Content-Type: application/x-www-form-urlencoded'],
            CURLOPT_TIMEOUT        => 30,
            /* Leave these on. Turning verification off to "make it work" hands
               your API key to anyone able to sit between you and the panel. */
            CURLOPT_SSL_VERIFYPEER => true,
            CURLOPT_SSL_VERIFYHOST => 2,
        ]);

        $body  = curl_exec($ch);
        $errno = curl_errno($ch);
        $error = curl_error($ch);
        curl_close($ch);

        if ($errno) {
            throw new RuntimeException("Could not reach the API: $error");
        }

        $json = json_decode($body, true);
        if (!is_array($json)) {
            throw new RuntimeException("The API did not return JSON: $body");
        }

        return $json;
    }
}


/* ---------------------------------------------------------------------- */
/* Examples                                                                */
/* ---------------------------------------------------------------------- */

$api = new SmmApi();

try {
    // What can I buy, and what does it cost?
    $services = $api->services();

    // A plain order.
    $new = $api->order([
        'service'  => 1,
        'link'     => 'https://example.com/your-post',
        'quantity' => 100,
    ]);

    // A drip-feed order: 100 at a time, every 60 minutes, 10 times over.
    $drip = $api->order([
        'service'  => 1,
        'link'     => 'https://example.com/your-post',
        'quantity' => 100,
        'runs'     => 10,
        'interval' => 60,
    ]);

    // An order that takes a comment list instead of a quantity.
    $comments = $api->order([
        'service'  => 1,
        'link'     => 'https://example.com/your-post',
        'comments' => "first comment\nsecond comment\nthird comment",
    ]);

    // Where did it get to?
    $status = $api->status($new['order']);

    // Several at once.
    $many = $api->multiStatus([$new['order'], $drip['order']]);

    // Dropped followers on a completed order.
    $refill = $api->refill($new['order']);
    $where  = $api->refillStatus($refill['refill']);

    // Changed your mind, before it starts.
    $cancelled = $api->cancel([$drip['order']]);

    // What is left in the account.
    $balance = $api->balance();

    print_r($balance);

} catch (RuntimeException $e) {
    /* Log it. Do not print the message straight onto a page - it can contain
       the URL your key was sent to. */
    error_log($e->getMessage());
}