use ReceiptValidator\AppleAppStore\ReceiptUtility;
use ReceiptValidator\AppleAppStore\Validator as AppleValidator;
use ReceiptValidator\Environment;

// Credentials
$signingKey = file_get_contents($root . '/examples/SubscriptionKey_RA9DAYVX3X.p8');
$keyId = 'RA9DAYVX3X';
$issuerId = 'xxxxxx-xxxx-xxxx-xxxx-xxxxxxx';
$bundleId = 'com.myapp';

$receiptBase64Data = '...'; // your app receipt here

// Will return null if no in-app purchases have been made
$transactionId = ReceiptUtility::extractTransactionIdFromAppReceipt($receiptBase64Data);

$validator = new AppleValidator(
    signingKey: $signingKey,
    keyId: $keyId,
    issuerId: $issuerId,
    bundleId: $bundleId,
    environment: Environment::PRODUCTION
);

try {
    $response = $validator->setTransactionId($transactionId)->validate();
} catch (ValidationException $e) {
    if ($e->getCode() === APIError::INVALID_TRANSACTION_ID) {
        echo "Invalid Transaction ID: {$e->getMessage()}" . PHP_EOL;
    } else {
        echo "Validation failed: {$e->getMessage()}" . PHP_EOL;
    }

    exit(1);
} catch (Exception $e) {
    echo 'Error validating transaction: ' . $e->getMessage() . PHP_EOL;
    exit(1);
}

echo 'Validation successful.' . PHP_EOL;
echo 'Bundle ID: ' . $response->getBundleId() . PHP_EOL;
echo 'App Apple ID: ' . $response->getAppAppleId() . PHP_EOL;

foreach ($response->getTransactions() as $transaction) {
    echo 'Product ID: ' . $transaction->getProductId() . PHP_EOL;
    echo 'Transaction ID: ' . $transaction->getTransactionId() . PHP_EOL;

    if ($transaction->getPurchaseDate() !== null) {
        echo 'Purchase Date: ' . $transaction->getPurchaseDate()->toIso8601String() . PHP_EOL;
    }
}

use ReceiptValidator\Environment;
use ReceiptValidator\iTunes\Validator as iTunesValidator;

$validator = new iTunesValidator(Environment::PRODUCTION);

try {
    $response = $validator->setSharedSecret('SHARED_SECRET')->setReceiptData('BASE64_RECEIPT')->validate();
} catch (Exception $e) {
    echo 'Error: ' . $e->getMessage() . PHP_EOL;
    echo $e->getTraceAsString() . PHP_EOL;
    exit;
}

echo 'Receipt is valid.' . PHP_EOL;
echo 'Bundle ID: ' . $response->getBundleId() . PHP_EOL;

foreach ($response->getPurchases() as $purchase) {
    echo 'Product ID: ' . $purchase->getProductId() . PHP_EOL;
    echo 'Transaction ID: ' . $purchase->getTransactionId() . PHP_EOL;

    if ($purchase->getPurchaseDate() !== null) {
        echo 'Purchase Date: ' . $purchase->getPurchaseDate()->toIso8601String() . PHP_EOL;
    }
}

use ReceiptValidator\Amazon\Validator;
use ReceiptValidator\Amazon\Response;

$validator = new Validator();

try {
    $response = $validator
        ->setDeveloperSecret('SECRET')
        ->setReceiptId('RECEIPT_ID')
        ->setUserId('USER_ID')
        ->validate();
} catch (Exception $e) {
    echo 'Error: ' . $e->getMessage() . PHP_EOL;
    echo $e->getTraceAsString() . PHP_EOL;
    exit;
}

echo 'Receipt is valid.' . PHP_EOL;

foreach ($response->getPurchases() as $purchase) {
    echo 'Product ID: ' . $purchase->getProductId() . PHP_EOL;

    if ($purchase->getPurchaseDate() !== null) {
        echo 'Purchase Date: ' . $purchase->getPurchaseDate()->toIso8601String() . PHP_EOL;
    }
}

use ReceiptValidator\AppleAppStore\ServerNotification;
use ReceiptValidator\Exceptions\ValidationException;

public function subscriptions(Request $request): JsonResponse {
    try {
        $notification = new ServerNotification($request->all());

        echo 'Type: ' . $notification->getNotificationType()->value . PHP_EOL;
        echo 'Subtype: ' . ($notification->getSubtype()?->value ?? 'N/A') . PHP_EOL;
        echo 'Bundle ID: ' . $notification->getBundleId() . PHP_EOL;

        $tx = $notification->getTransaction();
        if ($tx !== null) {
            echo 'Transaction ID: ' . $tx->getTransactionId() . PHP_EOL;
        }

        $renewalInfo = $notification->getRenewalInfo();
        if ($renewalInfo !== null) {
            echo 'Auto-Renew Product ID: ' . $renewalInfo->getAutoRenewProductId() . PHP_EOL;
        }
    } catch (ValidationException $e) {
        echo 'Invalid notification: ' . $e->getMessage() . PHP_EOL;
    }
}

use ReceiptValidator\iTunes\ServerNotification;
use ReceiptValidator\Exceptions\ValidationException;

public function subscriptions(Request $request): JsonResponse {
    $sharedSecret = 'your_shared_secret';

    try {
        $notification = new ServerNotification($request->all(), $sharedSecret);

        echo 'Type: ' . $notification->getNotificationType()->value . PHP_EOL;
        echo 'Bundle ID: ' . $notification->getBundleId() . PHP_EOL;

        $transactions = $notification->getLatestReceipt()->getTransactions();

        foreach ($transactions as $tx) {
            echo 'Transaction ID: ' . $tx->getTransactionId() . PHP_EOL;
        }
    } catch (ValidationException $e) {
        echo 'Invalid notification: ' . $e->getMessage() . PHP_EOL;
    }
}