/*******************************************************************************
 *  ============LICENSE_START=======================================================
 *  slice-analysis-ms
 *  ================================================================================
 *   Copyright (C) 2020 Wipro Limited.
 *   ==============================================================================
 *     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.slice.analysis.ms.dmaap;

import static org.mockito.Mockito.when;

import com.att.nsa.cambria.client.CambriaTopicManager;
import com.google.gson.Gson;
import com.google.gson.JsonObject;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
import org.onap.slice.analysis.ms.beans.Configuration;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;

@RunWith(SpringRunner.class)
@SpringBootTest(classes = DmaapClientTest.class)
public class DmaapClientTest {

	@Mock
	private CambriaTopicManager topicManager;

	
	@InjectMocks
	DmaapClient client;
	
	@Before
	public void setup() {
		MockitoAnnotations.initMocks(this);
	}

	@Test
	public void getAllTopicsTest() {
		Set<String> topics = new HashSet<String>();
		topics.add("topic1");
		topics.add("topic2");
		Configuration configuration = Configuration.getInstance();
		List<String> list = new ArrayList<String>();
		list.add("server");
		configuration.setDmaapServers(list);
		configuration.setCg("cg");
		configuration.setCid("cid");
		configuration.setPollingInterval(30);
		configuration.setPollingTimeout(100);
		configuration.setConfigDbService("sdnrService");
		
		try {
			when(topicManager.getTopics()).thenReturn(topics);
			
			client=Mockito.mock(DmaapClient.class);
			client.initClient();
			Mockito.verify(client).initClient();      
	       // Mockito.verifycreateAndConfigureTopics();

		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	@Test
	public void startClientTest() {		
		try {
			Configuration configuration = Configuration.getInstance();
			String configAllJson = readFromFile("src/test/resources/config_all.json");

            JsonObject configAll = new Gson().fromJson(configAllJson, JsonObject.class);

            JsonObject config = configAll.getAsJsonObject("config");

            configuration.updateConfigurationFromJsonObject(config);
			DmaapClient client= new DmaapClient();
			client.initClient();
			//Mockito.verify(client).startClient();      
	       // Mockito.verifycreateAndConfigureTopics();

		} catch ( Exception e) {
			e.printStackTrace();
		}
	}

    private static String readFromFile(String file) {
        String content = "";
        try (BufferedReader bufferedReader = new BufferedReader(new FileReader(file))) {
            content = bufferedReader.readLine();
            String temp;
            while ((temp = bufferedReader.readLine()) != null) {
                content = content.concat(temp);
            }
            content = content.trim();
        } catch (Exception e) {
            content = null;
        }
        return content;
    }
}