package com.amazonaws.resiliencehub.resiliencypolicy;

import org.apache.commons.lang3.Validate;

import com.amazonaws.resiliencehub.common.ClientBuilder;

import software.amazon.awssdk.services.resiliencehub.ResiliencehubClient;
import software.amazon.cloudformation.proxy.AmazonWebServicesClientProxy;
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> {

  final ApiCallsWrapper apiCallsWrapper;

  public BaseHandlerStd() {
    this(new ApiCallsWrapper());
  }

  public BaseHandlerStd(final ApiCallsWrapper apiCallsWrapper) {
    Validate.notNull(apiCallsWrapper);

    this.apiCallsWrapper = apiCallsWrapper;
  }

  @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<ResiliencehubClient> proxyClient,
      final Logger logger);
}