/**
 * The MIT License
 * Copyright (c) 2014 Ilkka Seppälä
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.iluwatar.serverless.baas.api;

import com.amazonaws.services.lambda.runtime.Context;
import com.amazonaws.services.lambda.runtime.RequestHandler;
import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyRequestEvent;
import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyResponseEvent;
import com.iluwatar.serverless.baas.model.Person;
import org.apache.log4j.Logger;

import java.io.IOException;

/**
 * save person into persons collection
 * Created by dheeraj.mummar on 3/4/18.
 */
public class SavePersonApiHandler extends AbstractDynamoDbHandler<Person>
    implements RequestHandler<APIGatewayProxyRequestEvent, APIGatewayProxyResponseEvent> {

  private static final Logger LOG = Logger.getLogger(SavePersonApiHandler.class);
  private static final Integer CREATED_STATUS_CODE = 201;
  private static final Integer BAD_REQUEST_STATUS_CODE = 400;

  @Override
  public APIGatewayProxyResponseEvent handleRequest(APIGatewayProxyRequestEvent
                                                apiGatewayProxyRequestEvent, Context context) {
    APIGatewayProxyResponseEvent apiGatewayProxyResponseEvent;
    Person person;
    try {
      person = getObjectMapper().readValue(apiGatewayProxyRequestEvent.getBody(), Person.class);
      getDynamoDbMapper().save(person);
      apiGatewayProxyResponseEvent = apiGatewayProxyResponseEvent(CREATED_STATUS_CODE, person);
    } catch (IOException ioException) {
      LOG.error("unable to parse body", ioException);
      apiGatewayProxyResponseEvent = apiGatewayProxyResponseEvent(BAD_REQUEST_STATUS_CODE, null);
    }

    return apiGatewayProxyResponseEvent;
  }
}
