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/**
 * ============LICENSE_START=======================================================
 * org.onap.aai
 * ================================================================================
 * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
 * Copyright © 2017-2018 Amdocs
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */
package org.onap.aai.datarouter.policy;

import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.mockito.Matchers.anyObject;
import static org.mockito.Matchers.anyString;

import java.io.File;
import java.io.FileInputStream;

import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.apache.commons.io.IOUtils;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.onap.aai.datarouter.util.NodeUtils;
import org.onap.aai.setup.SchemaLocationsBean;
import org.onap.aai.setup.SchemaVersions;
import org.powermock.api.mockito.PowerMockito;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;


@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("file:src/test/resources/spring-beans/data-router-oxm.xml")
public class EntityEventPolicyTest {
  private EntityEventPolicyConfig eventPolicyConfig;
  private EntityEventPolicy policy;
  private String eventJson;
  private InMemorySearchDatastore searchDb;

  @Autowired
  private SchemaVersions schemaVersions;
  @Autowired
  private SchemaLocationsBean schemaLocationsBean;

  @SuppressWarnings("unchecked")
  @Before
  public void init() throws Exception {
    eventPolicyConfig = new EntityEventPolicyConfig();
    eventPolicyConfig.setSearchKeystorePwd("password");
    eventPolicyConfig.setSourceDomain("JUNIT");

    eventPolicyConfig.setSchemaVersions(schemaVersions);
    eventPolicyConfig.setSchemaLocationsBean(schemaLocationsBean);

    searchDb = new InMemorySearchDatastore();
    policy = new EntityEventPolicyStubbed(eventPolicyConfig).withSearchDb(searchDb);

    FileInputStream event = new FileInputStream(new File("src/test/resources/aai_event.json"));
    eventJson = IOUtils.toString(event, "UTF-8");

  }

  @Test
  public void testProcess() throws Exception {
    policy.process(getExchangeEvent("event1", "create"));
    policy.process(getExchangeEvent("event2", "create"));

    assertNotNull(searchDb.get(NodeUtils.generateUniqueShaDigest("event1")));
    assertNotNull(searchDb.get(NodeUtils.generateUniqueShaDigest("event2")));

    policy.process(getExchangeEvent("event1", "update"));
    policy.process(getExchangeEvent("event2", "update"));
    assertNotNull(searchDb.get(NodeUtils.generateUniqueShaDigest("event1")));
    assertNotNull(searchDb.get(NodeUtils.generateUniqueShaDigest("event2")));

    policy.process(getExchangeEvent("event2", "delete"));
    assertNull(searchDb.get(NodeUtils.generateUniqueShaDigest("event2")));
  }

  private Exchange getExchangeEvent(String link, String action) {
    Object obj = eventJson.replace("$LINK", link).replace("$ACTION", action);
    Exchange exchange = PowerMockito.mock(Exchange.class);
    Message inMessage = PowerMockito.mock(Message.class);
    Message outMessage = PowerMockito.mock(Message.class);
    PowerMockito.when(exchange.getIn()).thenReturn(inMessage);
    PowerMockito.when(inMessage.getBody()).thenReturn(obj);

    PowerMockito.when(exchange.getOut()).thenReturn(outMessage);
    PowerMockito.doNothing().when(outMessage).setBody(anyObject());
    PowerMockito.doNothing().when(outMessage).setHeader(anyString(), anyObject());

    return exchange;

  }



}