package software.amazon.rds.eventsubscription;

import java.util.concurrent.CompletableFuture;
import java.util.function.Function;

import org.json.JSONObject;

import software.amazon.awssdk.awscore.AwsRequest;
import software.amazon.awssdk.awscore.AwsResponse;
import software.amazon.awssdk.core.ResponseBytes;
import software.amazon.awssdk.core.ResponseInputStream;
import software.amazon.awssdk.core.pagination.sync.SdkIterable;
import software.amazon.awssdk.services.rds.RdsClient;
import software.amazon.cloudformation.proxy.AmazonWebServicesClientProxy;
import software.amazon.cloudformation.proxy.Credentials;
import software.amazon.cloudformation.proxy.LoggerProxy;
import software.amazon.cloudformation.proxy.ProxyClient;
import software.amazon.rds.test.common.core.HandlerName;
import software.amazon.rds.test.common.core.TestUtils;
import software.amazon.rds.test.common.verification.AccessPermissionVerificationMode;

public abstract class AbstractTestBase {
    protected static final Credentials MOCK_CREDENTIALS;
    protected static final LoggerProxy logger;

    static {
        MOCK_CREDENTIALS = new Credentials("accessKey", "secretKey", "token");
        logger = new LoggerProxy();
    }

    public abstract HandlerName getHandlerName();

    private static final JSONObject resourceSchema = new Configuration().resourceSchemaJSONObject();

    public void verifyAccessPermissions(final Object mock) {
        new AccessPermissionVerificationMode()
                .withDefaultPermissions()
                .withSchemaPermissions(resourceSchema, getHandlerName())
                .verify(TestUtils.getVerificationData(mock));
    }

    static ProxyClient<RdsClient> MOCK_PROXY(
            final AmazonWebServicesClientProxy proxy,
            final RdsClient rdsClient
    ) {
        return new ProxyClient<RdsClient>() {
            @Override
            public <RequestT extends AwsRequest, ResponseT extends AwsResponse>
            ResponseT
            injectCredentialsAndInvokeV2(RequestT request, Function<RequestT, ResponseT> requestFunction) {
                return proxy.injectCredentialsAndInvokeV2(request, requestFunction);
            }

            @Override
            public <RequestT extends AwsRequest, ResponseT extends AwsResponse>
            CompletableFuture<ResponseT>
            injectCredentialsAndInvokeV2Async(RequestT request,
                                              Function<RequestT, CompletableFuture<ResponseT>> requestFunction) {
                throw new UnsupportedOperationException();
            }

            @Override
            public <RequestT extends AwsRequest, ResponseT extends AwsResponse, IterableT extends SdkIterable<ResponseT>>
            IterableT
            injectCredentialsAndInvokeIterableV2(RequestT request, Function<RequestT, IterableT> requestFunction) {
                return proxy.injectCredentialsAndInvokeIterableV2(request, requestFunction);
            }

            @Override
            public <RequestT extends AwsRequest, ResponseT extends AwsResponse> ResponseInputStream<ResponseT>
            injectCredentialsAndInvokeV2InputStream(RequestT requestT, Function<RequestT, ResponseInputStream<ResponseT>> function) {
                throw new UnsupportedOperationException();
            }

            @Override
            public <RequestT extends AwsRequest, ResponseT extends AwsResponse> ResponseBytes<ResponseT>
            injectCredentialsAndInvokeV2Bytes(RequestT requestT, Function<RequestT, ResponseBytes<ResponseT>> function) {
                throw new UnsupportedOperationException();
            }

            @Override
            public RdsClient client() {
                return rdsClient;
            }
        };
    }
}