/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */
package org.apache.camel.component.openstack.keystone;

import java.util.ArrayList;
import java.util.List;

import org.apache.camel.component.openstack.common.OpenstackConstants;
import org.apache.camel.component.openstack.keystone.producer.GroupProducer;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.ArgumentCaptor;
import org.mockito.Captor;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;
import org.openstack4j.api.Builders;
import org.openstack4j.api.identity.v3.GroupService;
import org.openstack4j.model.common.ActionResponse;
import org.openstack4j.model.identity.v3.Group;
import org.openstack4j.model.network.Network;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

@RunWith(MockitoJUnitRunner.class)
public class GroupProducerTest extends KeystoneProducerTestSupport {

    private Group dummyGroup;

    @Mock
    private Group testOSgroup;

    @Mock
    private GroupService groupService;

    @Captor
    private ArgumentCaptor<Group> groupCaptor;

    @Captor
    private ArgumentCaptor<String> groupIdCaptor;

    @Before
    public void setUp() {
        when(identityService.groups()).thenReturn(groupService);

        producer = new GroupProducer(endpoint, client);

        when(groupService.create(any())).thenReturn(testOSgroup);
        when(groupService.get(anyString())).thenReturn(testOSgroup);

        List<Group> getAllList = new ArrayList<>();
        getAllList.add(testOSgroup);
        getAllList.add(testOSgroup);
        doReturn(getAllList).when(groupService).list();

        dummyGroup = createGroup();

        when(testOSgroup.getName()).thenReturn(dummyGroup.getName());
        when(testOSgroup.getDescription()).thenReturn(dummyGroup.getDescription());
    }

    @Test
    public void createTest() throws Exception {
        msg.setHeader(OpenstackConstants.OPERATION, OpenstackConstants.CREATE);
        msg.setHeader(OpenstackConstants.NAME, dummyGroup.getName());
        msg.setHeader(KeystoneConstants.DESCRIPTION, dummyGroup.getDescription());
        msg.setHeader(KeystoneConstants.DOMAIN_ID, dummyGroup.getDomainId());

        producer.process(exchange);

        verify(groupService).create(groupCaptor.capture());

        assertEqualsGroup(dummyGroup, groupCaptor.getValue());
    }

    @Test
    public void getTest() throws Exception {
        final String id = "id";
        msg.setHeader(OpenstackConstants.OPERATION, OpenstackConstants.GET);
        msg.setHeader(OpenstackConstants.ID, id);

        producer.process(exchange);

        verify(groupService).get(groupIdCaptor.capture());

        assertEquals(id, groupIdCaptor.getValue());
        assertEqualsGroup(testOSgroup, msg.getBody(Group.class));
    }

    @Test
    public void getAllTest() throws Exception {
        msg.setHeader(OpenstackConstants.OPERATION, OpenstackConstants.GET_ALL);

        producer.process(exchange);

        final List<Network> result = msg.getBody(List.class);
        assertTrue(result.size() == 2);
        assertEquals(testOSgroup, result.get(0));
    }

    @Test
    public void updateTest() throws Exception {
        final String id = "myID";
        msg.setHeader(OpenstackConstants.OPERATION, OpenstackConstants.UPDATE);
        final String newName = "newName";

        when(testOSgroup.getId()).thenReturn(id);
        when(testOSgroup.getName()).thenReturn(newName);
        when(testOSgroup.getDescription()).thenReturn("desc");

        when(groupService.update(any())).thenReturn(testOSgroup);
        msg.setBody(testOSgroup);

        producer.process(exchange);

        verify(groupService).update(groupCaptor.capture());

        assertEqualsGroup(testOSgroup, groupCaptor.getValue());
        assertNotNull(groupCaptor.getValue().getId());
        assertEquals(newName, msg.getBody(Group.class).getName());
    }

    @Test
    public void deleteTest() throws Exception {
        when(groupService.delete(anyString())).thenReturn(ActionResponse.actionSuccess());
        final String networkID = "myID";
        msg.setHeader(OpenstackConstants.OPERATION, OpenstackConstants.DELETE);
        msg.setHeader(OpenstackConstants.ID, networkID);

        producer.process(exchange);

        verify(groupService).delete(groupIdCaptor.capture());
        assertEquals(networkID, groupIdCaptor.getValue());
        assertFalse(msg.isFault());

        //in case of failure
        final String failureMessage = "fail";
        when(groupService.delete(anyString())).thenReturn(ActionResponse.actionFailed(failureMessage, 404));
        producer.process(exchange);
        assertTrue(msg.isFault());
        assertTrue(msg.getBody(String.class).contains(failureMessage));
    }

    private void assertEqualsGroup(Group old, Group newGroup) {
        assertEquals(old.getName(), newGroup.getName());
        assertEquals(old.getDescription(), newGroup.getDescription());
        assertEquals(old.getDomainId(), newGroup.getDomainId());
    }

    private Group createGroup() {
        return Builders.group()
                .domainId("domain")
                .description("desc")
                .name("group Name").build();
    }

}
