/*-
 * ============LICENSE_START=======================================================
 * ONAP - SO
 * ================================================================================
 * Copyright (C) 2017 - 2018 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.so.openstack.utils;

import static com.shazam.shazamcrest.matcher.Matchers.sameBeanAs;
import static org.junit.Assert.assertThat;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.isA;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.verify;

import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.mockito.Spy;
import org.mockito.runners.MockitoJUnitRunner;
import org.onap.so.TestDataSetup;
import org.onap.so.cloud.CloudConfig;
import org.onap.so.db.catalog.beans.CloudSite;
import org.onap.so.openstack.beans.HeatStatus;
import org.onap.so.openstack.beans.StackInfo;
import org.onap.so.openstack.exceptions.MsoException;
import org.springframework.core.env.Environment;

import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.woorea.openstack.base.client.OpenStackRequest;
import com.woorea.openstack.heat.Heat;
import com.woorea.openstack.heat.model.Stack;

@RunWith(MockitoJUnitRunner.class)
public class MsoHeatUtilsWithUpdateTest extends TestDataSetup {
	@Mock
	private CloudConfig cloudConfig;
	
	@Mock
	private Environment environment;
	
	@Spy
	@InjectMocks
	private MsoHeatUtilsWithUpdate heatUtils;
	
	private String cloudSiteId;
	private String tenantId;
	private String stackName;
	private String heatTemplate;
	private Map<String, Object> stackInputs;
	private boolean pollForCompletion;
	private int timeoutMinutes;
	
	@Before
	public void before() {
		MockitoAnnotations.initMocks(this);
		
		cloudSiteId = "cloudSiteId";
		tenantId = "tenantId";
		stackName = "stackName";
		heatTemplate = "heatTemplate";
		stackInputs = new HashMap<>();
		pollForCompletion = true;
		timeoutMinutes = 0;
	}
	
	@Test
	public void updateStackTest() throws MsoException, JsonParseException, JsonMappingException, IOException {
		CloudSite cloudSite = new CloudSite();
		Heat heatClient = new Heat("endpoint");
		Stack heatStack = mapper.readValue(new File(RESOURCE_PATH + "HeatStack.json"), Stack.class);
		Stack updateStack = mapper.readValue(new File(RESOURCE_PATH + "UpdateStack.json"), Stack.class);
		
		StackInfo expectedStackInfo = new StackInfo("stackName", HeatStatus.UPDATED, "stackStatusReason", null);
		expectedStackInfo.setCanonicalName("stackName/id");
		
		doReturn(Optional.of(cloudSite)).when(cloudConfig).getCloudSite(isA(String.class));
		doReturn(heatClient).when(heatUtils).getHeatClient(isA(CloudSite.class), isA(String.class));
		doReturn(heatStack).when(heatUtils).queryHeatStack(isA(Heat.class), isA(String.class));
		doReturn(null).when(heatUtils).executeAndRecordOpenstackRequest(isA(OpenStackRequest.class));
		doReturn("0").when(environment).getProperty(isA(String.class), isA(String.class));
		doReturn(updateStack).when(heatUtils).queryHeatStack(isA(Heat.class), isA(String.class));
		
		StackInfo actualStackInfo = heatUtils.updateStack(cloudSiteId, tenantId, stackName, 
				heatTemplate, stackInputs, pollForCompletion, timeoutMinutes);
		
		assertThat(actualStackInfo, sameBeanAs(expectedStackInfo));
	}
	
	@Test
	public void updateStackWithEnvironmentTest() throws JsonParseException, JsonMappingException, IOException, MsoException {
		String environmentString = "environmentString";
		
		CloudSite cloudSite = new CloudSite();
		Heat heatClient = new Heat("endpoint");
		Stack heatStack = mapper.readValue(new File(RESOURCE_PATH + "HeatStack.json"), Stack.class);
		Stack updateStack = mapper.readValue(new File(RESOURCE_PATH + "UpdateStack.json"), Stack.class);
		
		StackInfo expectedStackInfo = new StackInfo("stackName", HeatStatus.UPDATED, "stackStatusReason", null);
		expectedStackInfo.setCanonicalName("stackName/id");
		
		doReturn(Optional.of(cloudSite)).when(cloudConfig).getCloudSite(isA(String.class));
		doReturn(heatClient).when(heatUtils).getHeatClient(isA(CloudSite.class), isA(String.class));
		doReturn(heatStack).when(heatUtils).queryHeatStack(isA(Heat.class), isA(String.class));
		doReturn(null).when(heatUtils).executeAndRecordOpenstackRequest(isA(OpenStackRequest.class));
		doReturn("0").when(environment).getProperty(isA(String.class), isA(String.class));
		doReturn(updateStack).when(heatUtils).queryHeatStack(isA(Heat.class), isA(String.class));
		
		StackInfo actualStackInfo = heatUtils.updateStack(cloudSiteId, tenantId, stackName, 
				heatTemplate, stackInputs, pollForCompletion, timeoutMinutes, environmentString);
		
		assertThat(actualStackInfo, sameBeanAs(expectedStackInfo));
	}
	
	@Test
	public void updateStackWithFilesTest() throws MsoException, JsonParseException, JsonMappingException, IOException {
		String environmentString = "environmentString";
		Map<String, Object> files = new HashMap<>();
		files.put("file1", new Object());
		
		CloudSite cloudSite = new CloudSite();
		Heat heatClient = new Heat("endpoint");
		Stack heatStack = mapper.readValue(new File(RESOURCE_PATH + "HeatStack.json"), Stack.class);
		Stack updateStack = mapper.readValue(new File(RESOURCE_PATH + "UpdateStack.json"), Stack.class);
		
		StackInfo expectedStackInfo = new StackInfo("stackName", HeatStatus.UPDATED, "stackStatusReason", null);
		expectedStackInfo.setCanonicalName("stackName/id");
		
		doReturn(Optional.of(cloudSite)).when(cloudConfig).getCloudSite(isA(String.class));
		doReturn(heatClient).when(heatUtils).getHeatClient(isA(CloudSite.class), isA(String.class));
		doReturn(heatStack).when(heatUtils).queryHeatStack(isA(Heat.class), isA(String.class));
		doReturn(null).when(heatUtils).executeAndRecordOpenstackRequest(isA(OpenStackRequest.class));
		doReturn("0").when(environment).getProperty(isA(String.class), isA(String.class));
		doReturn(updateStack).when(heatUtils).queryHeatStack(isA(Heat.class), isA(String.class));
		
		StackInfo actualStackInfo = heatUtils.updateStack(cloudSiteId, tenantId, stackName, 
				heatTemplate, stackInputs, pollForCompletion, timeoutMinutes , environmentString, files);
		
		assertThat(actualStackInfo, sameBeanAs(expectedStackInfo));
	}
}