<?php
/**
 * Interface untuk WhatsApp Gateway
 */
interface WhatsAppInterface {
    public function sendText($phone, $message): array;
    public function sendImage($phone, $imageUrl, $caption = ''): array;
    public function sendDocument($phone, $documentUrl, $filename = ''): array;
    public function checkStatus(): array;
    public function getQRCode(): ?string;
    public function isConnected(): bool;
}