package software.amazon.datasync.task;

import software.amazon.awssdk.services.datasync.DataSyncClient;

import software.amazon.awssdk.services.datasync.model.DataSyncException;
import software.amazon.awssdk.services.datasync.model.DescribeTaskRequest;
import software.amazon.awssdk.services.datasync.model.DescribeTaskResponse;
import software.amazon.awssdk.services.datasync.model.InternalException;
import software.amazon.awssdk.services.datasync.model.InvalidRequestException;
import software.amazon.awssdk.services.datasync.model.UpdateTaskRequest;
import software.amazon.cloudformation.exceptions.CfnNotFoundException;
import software.amazon.cloudformation.exceptions.CfnServiceInternalErrorException;
import software.amazon.cloudformation.proxy.AmazonWebServicesClientProxy;
import software.amazon.cloudformation.proxy.Logger;
import software.amazon.cloudformation.proxy.ProgressEvent;
import software.amazon.cloudformation.proxy.ResourceHandlerRequest;


public class UpdateHandler extends BaseHandler<CallbackContext> {

    @Override
    public ProgressEvent<ResourceModel, CallbackContext> handleRequest(
        final AmazonWebServicesClientProxy proxy,
        final ResourceHandlerRequest<ResourceModel> request,
        final CallbackContext callbackContext,
        final Logger logger) {

        final ResourceModel model = request.getDesiredResourceState();
        final DataSyncClient client = ClientBuilder.getClient();

        UpdateTaskRequest updateTaskRequest = Translator.translateToUpdateRequest(model);

        try {
            proxy.injectCredentialsAndInvokeV2(updateTaskRequest, client::updateTask);
            logger.log(String.format("%s %s updated successfully.", ResourceModel.TYPE_NAME, model.getTaskArn()));
        } catch (InvalidRequestException e) {
            throw new CfnNotFoundException(ResourceModel.TYPE_NAME, model.getTaskArn());
        } catch (InternalException e) {
            throw new CfnServiceInternalErrorException(e.getMessage(), e.getCause());
        } catch (DataSyncException e) {
            throw Translator.translateDataSyncExceptionToCfnException(e);
        }

        // Tags are not handled by the Update call and must be updated separately
        TagRequestMaker.updateTagsForResource(proxy, client, model.getTaskArn(), request, logger);

        return new ReadHandler().handleRequest(proxy, request, callbackContext, logger);
    }

}