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<?php
// Payment Gateway Integration - PHP
class PaymentGateway {
    private $apiKey = 'YOUR_API_KEY';
    private $brandKey = 'YOUR_BRAND_KEY';
    private $apiSecret = 'YOUR_API_SECRET';
    private $baseUrl = 'https://www.payesv.com/api/initiate-payment';

    public function createPayment($amount, $customer, $orderId, $redirectUrls) {
        $data = [
            'amount' => $amount,
            'currency' => 'BDT',
            'customer' => $customer,
            'orderId' => $orderId,
            'redirectUrl' => $redirectUrls
        ];

        $headers = [
            'x-api-key: ' . $this->apiKey,
            'x-brand-key: ' . $this->brandKey,
            'x-api-secret: ' . $this->apiSecret,
            'Content-Type: application/json'
        ];

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $this->baseUrl);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);

        $response = curl_exec($ch);
        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);

        $responseData = json_decode($response, true);
        
        if ($httpCode === 200) {
            return [
                'status' => 'success',
                'message' => $responseData['message'],
                'id' => $responseData['id'],
                'redirectGatewayUrl' => $responseData['redirectGatewayUrl']
            ];
        } else {
            return [
                'status' => 'error',
                'message' => $responseData['message'] ?? 'Request failed'
            ];
        }
    }
}

// Usage Example
$paymentGateway = new PaymentGateway();

$customer = [
    'name' => 'Anis Rahman',
    'email' => 'anis@gmail.com',
    'phone' => '01826673690'
];

$redirectUrls = [
    'success' => 'https://your-domain.com/success',
    'failed' => 'https://your-domain.com/failed'
];

$result = $paymentGateway->createPayment('100', $customer, 'ord17238', $redirectUrls);
echo json_encode($result, JSON_PRETTY_PRINT);
?>