/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2019 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.openecomp.sdc.be.components.merge.instance;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;
import org.openecomp.sdc.be.components.impl.exceptions.ComponentException;
import org.openecomp.sdc.be.config.ConfigurationManager;
import org.openecomp.sdc.be.model.Component;
import org.openecomp.sdc.be.model.ComponentInstance;
import org.openecomp.sdc.be.model.User;
import org.openecomp.sdc.be.model.jsonjanusgraph.operations.ExternalReferencesOperation;

import javax.annotation.Resource;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.openecomp.sdc.common.impl.ExternalConfiguration;
import org.openecomp.sdc.common.impl.FSConfigurationSource;

import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoInteractions;
import static org.mockito.Mockito.when;

@RunWith(MockitoJUnitRunner.class)
public class ExternalRefsMergeBLTest {

    private static final String NEW_INSTANCE_ID = "NEW_INSTANCE_ID";
    @Resource
    private ExternalRefsMergeBL externalRefsMergeBL;
    @Mock
    private ExternalReferencesOperation externalReferencesOperation;

    private final Map<String, List<String>> externalRefs = new HashMap<>();

    @Before
    public void setUp() throws Exception {
        externalRefsMergeBL = new ExternalRefsMergeBL(externalReferencesOperation);
        externalRefs.put("a", Arrays.asList("1", "2"));
        new ConfigurationManager(new FSConfigurationSource(ExternalConfiguration.getChangeListener(), "src/test/resources/config/catalog-be"));
    }

    @Test
    public void testExternalArtifactsSaveData_noArtifactsExist() {
        Component containerComponent = new org.openecomp.sdc.be.model.Resource();
        ComponentInstance componentInstance = new ComponentInstance();
        when(externalReferencesOperation.getAllExternalReferences(any(), any()))
                .thenReturn(new HashMap<>());

        DataForMergeHolder dataForMergeHolder = new DataForMergeHolder();
        externalRefsMergeBL.saveDataBeforeMerge(dataForMergeHolder, containerComponent, componentInstance, containerComponent);
        Map<String, List<String>> originalComponentDeploymentArtifactsCreatedOnTheInstance = dataForMergeHolder.getOrigCompInstExternalRefs();

        assertThat(originalComponentDeploymentArtifactsCreatedOnTheInstance.size()).isZero();
    }

    @Test
    public void testExternalArtifactsSaveData_artifactsExist() {
        Component containerComponent = new org.openecomp.sdc.be.model.Resource();
        ComponentInstance componentInstance = new ComponentInstance();
        when(externalReferencesOperation.getAllExternalReferences(any(), any()))
                .thenReturn(externalRefs);

        DataForMergeHolder dataForMergeHolder = new DataForMergeHolder();
        externalRefsMergeBL.saveDataBeforeMerge(dataForMergeHolder, containerComponent, componentInstance, containerComponent);
        Map<String, List<String>> origCompInstExternalRefs = dataForMergeHolder.getOrigCompInstExternalRefs();

        assertThat(origCompInstExternalRefs.size()).isEqualTo(1);
        assertThat(origCompInstExternalRefs.containsKey("a")).isTrue();
    }

    @Test
    public void testExternalArtifactsRestoreData_noArtifacts() {
        Component containerComponent = new org.openecomp.sdc.be.model.Resource();
        ComponentInstance ci = new ComponentInstance();
        ci.setUniqueId(NEW_INSTANCE_ID);
        containerComponent.setComponentInstances(Collections.singletonList(ci));
        DataForMergeHolder dataForMergeHolder = new DataForMergeHolder();
        externalRefsMergeBL.mergeDataAfterCreate(new User(), dataForMergeHolder, containerComponent, NEW_INSTANCE_ID);
        verifyNoInteractions(externalReferencesOperation);
    }

    @Test
    public void testExternalArtifactsRestoreData_hasArtifacts() {
        Component containerComponent = new org.openecomp.sdc.be.model.Resource();
        ComponentInstance ci = new ComponentInstance();
        ci.setUniqueId(NEW_INSTANCE_ID);
        containerComponent.setComponentInstances(Collections.singletonList(ci));
        DataForMergeHolder dataForMergeHolder = new DataForMergeHolder();
        dataForMergeHolder.setOrigComponentInstanceExternalRefs(externalRefs);
        externalRefsMergeBL.mergeDataAfterCreate(new User(), dataForMergeHolder, containerComponent, NEW_INSTANCE_ID);
        verify(externalReferencesOperation, times(1)).addAllExternalReferences(any(), eq(NEW_INSTANCE_ID), eq(externalRefs));
    }

    @Test(expected=ComponentException.class)
    public void testExternalArtifactsRestoreData_noCI() {
        Component containerComponent = new org.openecomp.sdc.be.model.Resource();
        DataForMergeHolder dataForMergeHolder = new DataForMergeHolder();
        externalRefsMergeBL.mergeDataAfterCreate(new User(), dataForMergeHolder, containerComponent, NEW_INSTANCE_ID);
    }
}