/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0
 */

package software.amazon.greengrassv2.componentversion;

import software.amazon.awssdk.services.greengrassv2.GreengrassV2Client;
import software.amazon.cloudformation.proxy.AmazonWebServicesClientProxy;
import software.amazon.cloudformation.proxy.HandlerErrorCode;
import software.amazon.cloudformation.proxy.Logger;
import software.amazon.cloudformation.proxy.ProgressEvent;
import software.amazon.cloudformation.proxy.ProxyClient;
import software.amazon.cloudformation.proxy.ResourceHandlerRequest;

// Placeholder for the functionality that could be shared across Create/Read/Update/Delete/List Handlers

public abstract class BaseHandlerStd extends BaseHandler<CallbackContext> {
  @Override
  public final ProgressEvent<ResourceModel, CallbackContext> handleRequest(
    final AmazonWebServicesClientProxy proxy,
    final ResourceHandlerRequest<ResourceModel> request,
    final CallbackContext callbackContext,
    final Logger logger) {
    return handleRequest(
      proxy,
      request,
      callbackContext != null ? callbackContext : new CallbackContext(),
      proxy.newProxy(ClientBuilder::getClient),
      logger
    );
  }

  protected abstract ProgressEvent<ResourceModel, CallbackContext> handleRequest(
    final AmazonWebServicesClientProxy proxy,
    final ResourceHandlerRequest<ResourceModel> request,
    final CallbackContext callbackContext,
    final ProxyClient<GreengrassV2Client> proxyClient,
    final Logger logger);

    protected ProgressEvent<ResourceModel, CallbackContext> validateArnPresent(ProgressEvent<ResourceModel, CallbackContext> progress) {
        final ResourceModel resourceModel = progress.getResourceModel();
        if (resourceModel.getArn() == null) {
            return ProgressEvent.failed(resourceModel, progress.getCallbackContext(), HandlerErrorCode.NotFound, "Provided ARN was null");
        }

        return progress;
    }
}