use MongoDB\BSON\Binary;
use MongoDB\Client;

class TestDropEncryptedCollection extends TestCase
{
    public function testDropEncryptedCollection(): void
    {
        $collectionName = $this->getCollectionName();
        $encryptedClient = new Client(
            $this->getUri(),
            [],
            [
                'autoEncryption' => $autoEncryptionOptions = [
                    'keyVaultNamespace' => 'encryption.datakeys',
                    'kmsProviders' => [
                        'local' => [
                            'key' => new Binary(random_bytes(96)),
                        ],
                    ],
                    //'encryptedFieldsMap' => [],
                 ],
            ],
        );
        $clientEncryption = $encryptedClient->createClientEncryption($autoEncryptionOptions);
        $database = $encryptedClient->getDatabase($this->getDatabaseName());
        $database->drop();
        $database->createEncryptedCollection($collectionName, $clientEncryption, 'local', null, [
            'encryptedFields' => [
                'fields' => [
                    [
                        'keyId' => null,
                        'path' => 'ssn',
                        'bsonType' => 'string',
                    ],
                ],
            ],
        ]);
        $collectionNames = iterator_to_array($database->listCollectionNames());
        self::assertCount(3, $collectionNames);
        $database->dropCollection($collectionName);
        //$database->dropCollection($collectionName, ['encryptedFields' => []]);
        $collectionNames = iterator_to_array($database->listCollectionNames());
        self::assertCount(0, $collectionNames);
    }
}