/*-
 * ============LICENSE_START=======================================================
 * ONAP - SO
 * ================================================================================
 * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Modifications Copyright (c) 2019 Samsung
 * ================================================================================
 * 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.github.tomakehurst.wiremock.client.WireMock.aResponse;
import static com.github.tomakehurst.wiremock.client.WireMock.get;
import static com.github.tomakehurst.wiremock.client.WireMock.stubFor;
import static com.github.tomakehurst.wiremock.client.WireMock.urlPathEqualTo;
import static com.shazam.shazamcrest.MatcherAssert.assertThat;
import static com.shazam.shazamcrest.matcher.Matchers.sameBeanAs;
import static org.junit.Assert.assertNotNull;

import com.woorea.openstack.heat.Heat;
import com.woorea.openstack.heat.model.CreateStackParam;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.http.HttpStatus;
import org.junit.Assert;
import org.junit.Test;
import org.onap.so.BaseTest;
import org.onap.so.StubOpenStack;
import org.onap.so.adapters.vdu.CloudInfo;
import org.onap.so.adapters.vdu.PluginAction;
import org.onap.so.adapters.vdu.VduArtifact;
import org.onap.so.adapters.vdu.VduArtifact.ArtifactType;
import org.onap.so.adapters.vdu.VduInstance;
import org.onap.so.adapters.vdu.VduModelInfo;
import org.onap.so.adapters.vdu.VduStateType;
import org.onap.so.adapters.vdu.VduStatus;
import org.onap.so.db.catalog.beans.CloudIdentity;
import org.onap.so.db.catalog.beans.CloudSite;
import org.onap.so.openstack.beans.StackInfo;
import org.onap.so.openstack.exceptions.MsoAdapterException;
import org.onap.so.openstack.exceptions.MsoException;
import org.onap.so.openstack.exceptions.MsoIOException;
import org.onap.so.openstack.exceptions.MsoOpenstackException;
import org.springframework.beans.factory.annotation.Autowired;

public class MsoHeatUtilsTest extends BaseTest{

	@Autowired
	private MsoHeatUtils heatUtils;
	
	@Test
	public void instantiateVduTest() throws MsoException, IOException {
		VduInstance expected = new VduInstance();
		expected.setVduInstanceId("name/da886914-efb2-4917-b335-c8381528d90b");
		expected.setVduInstanceName("name");
		VduStatus status = new VduStatus();
		status.setState(VduStateType.INSTANTIATED);
		status.setLastAction((new PluginAction("create", "complete", null)));
		expected.setStatus(status);

		CloudInfo cloudInfo = new CloudInfo();
		cloudInfo.setCloudSiteId("MTN13");
		cloudInfo.setTenantId("tenantId");
		VduModelInfo vduModel = new VduModelInfo();
		vduModel.setModelCustomizationUUID("blueprintId");
		vduModel.setTimeoutMinutes(1);
		VduArtifact artifact = new VduArtifact();
		artifact.setName("name");
		artifact.setType(ArtifactType.MAIN_TEMPLATE);
		byte[] content = new byte[1];
		artifact.setContent(content);
		List<VduArtifact> artifacts = new ArrayList<>();
		artifacts.add(artifact);
		vduModel.setArtifacts(artifacts);
		Map<String, byte[]> blueprintFiles = new HashMap<>();
		blueprintFiles.put(artifact.getName(), artifact.getContent());
		String instanceName = "instanceName";
		Map<String, Object> inputs = new HashMap<>();
		boolean rollbackOnFailure = true;

		StubOpenStack.mockOpenStackResponseAccess(wireMockPort);
		StubOpenStack.mockOpenStackPostStack_200("OpenstackResponse_Stack_Created.json");
		
		stubFor(get(urlPathEqualTo("/mockPublicUrl/stacks/instanceName/stackId"))
				.willReturn(aResponse().withHeader("Content-Type", "application/json")
						.withBodyFile("OpenstackResponse_StackId.json")
						.withStatus(HttpStatus.SC_OK)));
		
		VduInstance actual = heatUtils.instantiateVdu(cloudInfo, instanceName, inputs, vduModel, rollbackOnFailure);
		
		assertThat(actual, sameBeanAs(expected));
	}

	
	@Test
	public void queryVduTest() throws Exception {
		VduInstance expected = new VduInstance();
		expected.setVduInstanceId("name/da886914-efb2-4917-b335-c8381528d90b");
		expected.setVduInstanceName("name");
		VduStatus status = new VduStatus();
		status.setState(VduStateType.INSTANTIATED);
		status.setLastAction((new PluginAction("create", "complete",null)));
		expected.setStatus(status);

		CloudInfo cloudInfo = new CloudInfo();
		cloudInfo.setCloudSiteId("mtn13");
		cloudInfo.setTenantId("tenantId");
		String instanceId = "instanceId";

		StubOpenStack.mockOpenStackResponseAccess(wireMockPort);
		StubOpenStack.mockOpenStackPostStack_200("OpenstackResponse_Stack_Created.json");

		stubFor(get(urlPathEqualTo("/mockPublicUrl/stacks/instanceId"))
				.willReturn(aResponse().withHeader("Content-Type", "application/json")
						.withBodyFile("OpenstackResponse_StackId.json")
						.withStatus(HttpStatus.SC_OK)));

		VduInstance actual = heatUtils.queryVdu(cloudInfo, instanceId);
		
		assertThat(actual, sameBeanAs(expected));
	}

	@Test
	public void deleteVduTest() throws Exception {
		VduInstance expected = new VduInstance();
		expected.setVduInstanceId("instanceId");
		expected.setVduInstanceName("instanceId");
		VduStatus status = new VduStatus();
		status.setState(VduStateType.DELETED);
		expected.setStatus(status);

		CloudInfo cloudInfo = new CloudInfo();
		cloudInfo.setCloudSiteId("mtn13");
		cloudInfo.setTenantId("tenantId");
		String instanceId = "instanceId";

		int timeoutInMinutes = 1;

		StubOpenStack.mockOpenStackResponseAccess(wireMockPort);
		stubFor(get(urlPathEqualTo("/mockPublicUrl/stacks/instanceId")).willReturn(aResponse().withBodyFile("OpenstackResponse_StackId.json").withStatus(HttpStatus.SC_OK)));
		StubOpenStack.mockOpenStackDelete("name/da886914-efb2-4917-b335-c8381528d90b");
		stubFor(get(urlPathEqualTo("/mockPublicUrl/stacks/name/da886914-efb2-4917-b335-c8381528d90b")).willReturn(aResponse().withBodyFile("OpenstackResponse_Stack_DeleteComplete.json").withStatus(HttpStatus.SC_OK)));
		
		VduInstance actual = heatUtils.deleteVdu(cloudInfo, instanceId, timeoutInMinutes);
		
		assertThat(actual, sameBeanAs(expected));
	}

	@Test
	public final void requestToStringBuilderTest() {
		CreateStackParam param = new CreateStackParam();
		param.setDisableRollback(false);
		param.setEnvironment("environment");
		param.setFiles(new HashMap<String, Object>());
		param.setParameters(new HashMap<>());
		param.setStackName("stackName");
		param.setTemplate("template");
		param.setTemplateUrl("http://templateUrl");
		param.setTimeoutMinutes(1);

		StringBuilder stringBuilder =  heatUtils.requestToStringBuilder(param);

		Assert.assertTrue(stringBuilder.toString().contains("StackName:"));
	}

	@Test
	public final void copyBaseOutputsToInputsTest() {
		Map<String, Object> inputs = new HashMap<>();
		inputs.put("str1", "str");
		Map<String, Object> otherStackOutputs = new HashMap<>();
		otherStackOutputs.put("str", "str");
		List<String> paramNames = new ArrayList<>();
		Map<String, String> aliases = new HashMap<>();
		aliases.put("str", "str");
		heatUtils.copyBaseOutputsToInputs(inputs, otherStackOutputs, null, aliases);
		Assert.assertEquals("str",otherStackOutputs.get("str"));
	}

    @Test
    public final void getHeatClientSuccessTest() throws MsoException, IOException {
        CloudSite cloudSite = getCloudSite(getCloudIdentity());
        StubOpenStack.mockOpenStackResponseAccess(wireMockPort);
        Heat heatClient = heatUtils.getHeatClient(cloudSite, "TEST-tenant");
        assertNotNull(heatClient);
    }

    @Test(expected = MsoOpenstackException.class)
    public final void getHeatClientOpenStackResponseException404Test() throws MsoException, IOException {
        CloudSite cloudSite = getCloudSite(getCloudIdentity());
        // mo mocks setup will cause 404 response from wiremock
        heatUtils.getHeatClient(cloudSite, "TEST-tenant");
    }

    @Test(expected = MsoAdapterException.class)
    public final void getHeatClientOpenStackResponseException401Test() throws MsoException, IOException {
        CloudSite cloudSite = getCloudSite(getCloudIdentity());
        StubOpenStack.mockOpenStackResponseUnauthorized(wireMockPort);
        heatUtils.getHeatClient(cloudSite, "TEST-tenant");
    }

    @Test(expected = MsoIOException.class)
    public final void getHeatClientOpenStackConnectExceptionTest() throws MsoException, IOException {
        CloudIdentity identity = getCloudIdentity();
        identity.setIdentityUrl("http://unreachable");
        CloudSite cloudSite = getCloudSite(identity);
        // mo mocks setup will cause 404 response from wiremock
        heatUtils.getHeatClient(cloudSite, "TEST-tenant");
    }

    @Test
    public final void createStackSuccessTest() throws MsoException, IOException {
        CloudSite cloudSite = getCloudSite(getCloudIdentity());
        StubOpenStack.mockOpenStackResponseAccess(wireMockPort);
        StubOpenStack.mockOpenStackPostStack_200("OpenstackResponse_Stack_Created.json");
        StubOpenStack.mockOpenStackGet("TEST-stack/stackId");
        StackInfo stackInfo = heatUtils.createStack(cloudSite.getId(), "CloudOwner", "tenantId", "TEST-stack",
            "TEST-heat", new HashMap<>(), false, 1, "TEST-env",
            new HashMap<>(), new HashMap<>(), false);
        assertNotNull(stackInfo);
    }
}