<?php

/**
 * SMM Panel API Client
 * Complete PHP class for API integration
 */
class Api
{
    /** @var string API endpoint URL */
    public $api_url = 'https://yoursite.com/api/v2';
    
    /** @var string Your API key */
    public $api_key = 'YOUR_API_KEY';

    /**
     * Get account balance
     */
    public function balance()
    {
        return json_decode($this->connect([
            'key' => $this->api_key,
            'action' => 'balance'
        ]));
    }

    /**
     * Get services list
     */
    public function services()
    {
        return json_decode($this->connect([
            'key' => $this->api_key,
            'action' => 'services'
        ]));
    }

    /**
     * Create new order
     */
    public function order($data)
    {
        $post = array_merge([
            'key' => $this->api_key,
            'action' => 'add'
        ], $data);
        
        return json_decode($this->connect($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
     */
    public function multiStatus($order_ids)
    {
        return json_decode($this->connect([
            'key' => $this->api_key,
            'action' => 'status',
            'orders' => implode(',', (array)$order_ids)
        ]));
    }

    /**
     * Cancel order
     */
    public function cancel($order_id)
    {
        return json_decode($this->connect([
            'key' => $this->api_key,
            'action' => 'cancel',
            'order' => $order_id
        ]));
    }

    /**
     * Request refill
     */
    public function refill($order_id)
    {
        return json_decode($this->connect([
            'key' => $this->api_key,
            'action' => 'refill',
            'order' => $order_id
        ]));
    }

    /**
     * Get refill status
     */
    public function refillStatus($refill_id)
    {
        return json_decode($this->connect([
            'key' => $this->api_key,
            'action' => 'refill_status',
            'refill' => $refill_id
        ]));
    }

    /**
     * Send API request
     */
    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);
        
        if (is_array($post)) {
            curl_setopt($ch, CURLOPT_POSTFIELDS, join('&', $_post));
        }
        
        $result = curl_exec($ch);
        
        if (curl_errno($ch)) {
            return json_encode(['error' => curl_error($ch)]);
        }
        
        curl_close($ch);
        return $result;
    }
}

// ============================================
// USAGE EXAMPLES
// ============================================

$api = new Api();
$api->api_url = 'https://yoursite.com/api/v2';
$api->api_key = 'YOUR_API_KEY';

// Get balance
$balance = $api->balance();
echo "Balance: " . $balance->balance . " " . $balance->currency . "\n";

// Get services
$services = $api->services();
foreach ($services as $service) {
    echo "Service #{$service->service}: {$service->name} - Rate: {$service->rate}\n";
}

// Create order
$order = $api->order([
    'service' => 1,
    'link' => 'https://instagram.com/username',
    'quantity' => 1000
]);
echo "Order ID: " . $order->order . "\n";

// Check order status
$status = $api->status($order->order);
echo "Status: " . $status->status . "\n";

// Cancel order
$cancel = $api->cancel($order->order);
if (isset($cancel->cancel)) {
    echo "Order cancelled successfully\n";
}

// Request refill
$refill = $api->refill($order->order);
echo "Refill ID: " . $refill->refill . "\n";

// Check refill status
$refillStatus = $api->refillStatus($refill->refill);
echo "Refill Status: " . $refillStatus->status . "\n";

?>