/*
 * 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.dolphinscheduler.server.worker.processor;

import io.netty.channel.Channel;
import org.apache.dolphinscheduler.common.thread.Stopper;
import org.apache.dolphinscheduler.common.utils.JSONUtils;
import org.apache.dolphinscheduler.remote.NettyRemotingClient;
import org.apache.dolphinscheduler.remote.NettyRemotingServer;
import org.apache.dolphinscheduler.remote.command.CommandType;
import org.apache.dolphinscheduler.remote.command.TaskExecuteAckCommand;
import org.apache.dolphinscheduler.remote.command.TaskExecuteRequestCommand;
import org.apache.dolphinscheduler.remote.command.TaskExecuteResponseCommand;
import org.apache.dolphinscheduler.remote.config.NettyClientConfig;
import org.apache.dolphinscheduler.remote.config.NettyServerConfig;
import org.apache.dolphinscheduler.remote.utils.Host;
import org.apache.dolphinscheduler.server.entity.TaskExecutionContext;
import org.apache.dolphinscheduler.server.master.config.MasterConfig;
import org.apache.dolphinscheduler.server.master.processor.TaskAckProcessor;
import org.apache.dolphinscheduler.server.master.processor.TaskResponseProcessor;
import org.apache.dolphinscheduler.server.master.processor.queue.TaskResponseService;
import org.apache.dolphinscheduler.server.master.registry.MasterRegistry;
import org.apache.dolphinscheduler.server.registry.ZookeeperNodeManager;
import org.apache.dolphinscheduler.server.registry.ZookeeperRegistryCenter;
import org.apache.dolphinscheduler.server.worker.config.WorkerConfig;
import org.apache.dolphinscheduler.server.worker.registry.WorkerRegistry;
import org.apache.dolphinscheduler.server.zk.SpringZKServer;
import org.apache.dolphinscheduler.service.bean.SpringApplicationContext;
import org.apache.dolphinscheduler.service.zk.ZookeeperCachedOperator;
import org.apache.dolphinscheduler.service.zk.ZookeeperConfig;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mockito;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import java.util.Date;

/**
 * test task call back service
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes={
        TaskCallbackServiceTestConfig.class,
        SpringZKServer.class,
        SpringApplicationContext.class,
        MasterRegistry.class,
        WorkerRegistry.class,
        ZookeeperRegistryCenter.class,
        MasterConfig.class,
        WorkerConfig.class,
        ZookeeperCachedOperator.class,
        ZookeeperConfig.class,
        ZookeeperNodeManager.class,
        TaskCallbackService.class,
        TaskResponseService.class,
        TaskAckProcessor.class,
        TaskResponseProcessor.class,
        TaskExecuteProcessor.class})
public class TaskCallbackServiceTest {

    @Autowired
    private TaskCallbackService taskCallbackService;

    @Autowired
    private MasterRegistry masterRegistry;

    @Autowired
    private TaskAckProcessor taskAckProcessor;

    @Autowired
    private TaskResponseProcessor taskResponseProcessor;

    @Autowired
    private TaskExecuteProcessor taskExecuteProcessor;

    /**
     * send ack test
     * @throws Exception
     */
    @Test
    public void testSendAck() throws Exception{
        final NettyServerConfig serverConfig = new NettyServerConfig();
        serverConfig.setListenPort(30000);
        NettyRemotingServer nettyRemotingServer = new NettyRemotingServer(serverConfig);
        nettyRemotingServer.registerProcessor(CommandType.TASK_EXECUTE_ACK, taskAckProcessor);
        nettyRemotingServer.start();

        final NettyClientConfig clientConfig = new NettyClientConfig();
        NettyRemotingClient nettyRemotingClient = new NettyRemotingClient(clientConfig);
        Channel channel = nettyRemotingClient.getChannel(Host.of("localhost:30000"));
        taskCallbackService.addRemoteChannel(1, new NettyRemoteChannel(channel, 1));
        TaskExecuteAckCommand ackCommand = new TaskExecuteAckCommand();
        ackCommand.setTaskInstanceId(1);
        ackCommand.setStartTime(new Date());
        taskCallbackService.sendAck(1, ackCommand.convert2Command());

        Thread.sleep(5000);

        Stopper.stop();

        Thread.sleep(5000);

        nettyRemotingServer.close();
        nettyRemotingClient.close();
    }

    /**
     * send result test
     * @throws Exception
     */
    @Test
    public void testSendResult() throws Exception{
        final NettyServerConfig serverConfig = new NettyServerConfig();
        serverConfig.setListenPort(30000);
        NettyRemotingServer nettyRemotingServer = new NettyRemotingServer(serverConfig);
        nettyRemotingServer.registerProcessor(CommandType.TASK_EXECUTE_RESPONSE, taskResponseProcessor);
        nettyRemotingServer.start();

        final NettyClientConfig clientConfig = new NettyClientConfig();
        NettyRemotingClient nettyRemotingClient = new NettyRemotingClient(clientConfig);
        Channel channel = nettyRemotingClient.getChannel(Host.of("localhost:30000"));
        taskCallbackService.addRemoteChannel(1, new NettyRemoteChannel(channel, 1));
        TaskExecuteResponseCommand responseCommand  = new TaskExecuteResponseCommand();
        responseCommand.setTaskInstanceId(1);
        responseCommand.setEndTime(new Date());

        taskCallbackService.sendResult(1, responseCommand.convert2Command());

        Thread.sleep(5000);

        Stopper.stop();

        Thread.sleep(5000);

        nettyRemotingServer.close();
        nettyRemotingClient.close();
    }

    @Test(expected = IllegalArgumentException.class)
    public void testSendAckWithIllegalArgumentException(){
        TaskExecuteAckCommand ackCommand = Mockito.mock(TaskExecuteAckCommand.class);
        taskCallbackService.sendAck(1, ackCommand.convert2Command());
        Stopper.stop();
    }

    @Test(expected = IllegalStateException.class)
    public void testSendAckWithIllegalStateException1(){
        masterRegistry.registry();
        final NettyServerConfig serverConfig = new NettyServerConfig();
        serverConfig.setListenPort(30000);
        NettyRemotingServer nettyRemotingServer = new NettyRemotingServer(serverConfig);
        nettyRemotingServer.registerProcessor(CommandType.TASK_EXECUTE_ACK, taskAckProcessor);
        nettyRemotingServer.start();

        final NettyClientConfig clientConfig = new NettyClientConfig();
        NettyRemotingClient nettyRemotingClient = new NettyRemotingClient(clientConfig);
        Channel channel = nettyRemotingClient.getChannel(Host.of("localhost:30000"));
        taskCallbackService.addRemoteChannel(1, new NettyRemoteChannel(channel, 1));
        channel.close();
        TaskExecuteAckCommand ackCommand = new TaskExecuteAckCommand();
        ackCommand.setTaskInstanceId(1);
        ackCommand.setStartTime(new Date());

        nettyRemotingServer.close();

        taskCallbackService.sendAck(1, ackCommand.convert2Command());
        try {
            Thread.sleep(5000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

        Stopper.stop();

        try {
            Thread.sleep(5000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

    @Test
    public void testTaskExecuteProcessor() throws Exception{
        final NettyServerConfig serverConfig = new NettyServerConfig();
        serverConfig.setListenPort(30000);
        NettyRemotingServer nettyRemotingServer = new NettyRemotingServer(serverConfig);
        nettyRemotingServer.registerProcessor(CommandType.TASK_EXECUTE_REQUEST, taskExecuteProcessor);
        nettyRemotingServer.start();

        final NettyClientConfig clientConfig = new NettyClientConfig();
        NettyRemotingClient nettyRemotingClient = new NettyRemotingClient(clientConfig);

        TaskExecuteRequestCommand taskExecuteRequestCommand = new TaskExecuteRequestCommand();

        nettyRemotingClient.send(new Host("localhost",30000),taskExecuteRequestCommand.convert2Command());

        taskExecuteRequestCommand.setTaskExecutionContext(JSONUtils.toJsonString(new TaskExecutionContext()));

        nettyRemotingClient.send(new Host("localhost",30000),taskExecuteRequestCommand.convert2Command());

        Thread.sleep(5000);

        Stopper.stop();

        Thread.sleep(5000);

        nettyRemotingServer.close();
        nettyRemotingClient.close();
    }

//    @Test(expected = IllegalStateException.class)
//    public void testSendAckWithIllegalStateException2(){
//        masterRegistry.registry();
//        final NettyServerConfig serverConfig = new NettyServerConfig();
//        serverConfig.setListenPort(30000);
//        NettyRemotingServer nettyRemotingServer = new NettyRemotingServer(serverConfig);
//        nettyRemotingServer.registerProcessor(CommandType.TASK_EXECUTE_ACK, taskAckProcessor);
//        nettyRemotingServer.start();
//
//        final NettyClientConfig clientConfig = new NettyClientConfig();
//        NettyRemotingClient nettyRemotingClient = new NettyRemotingClient(clientConfig);
//        Channel channel = nettyRemotingClient.getChannel(Host.of("localhost:30000"));
//        taskCallbackService.addRemoteChannel(1, new NettyRemoteChannel(channel, 1));
//        channel.close();
//        TaskExecuteAckCommand ackCommand = new TaskExecuteAckCommand();
//        ackCommand.setTaskInstanceId(1);
//        ackCommand.setStartTime(new Date());
//
//        nettyRemotingServer.close();
//
//        taskCallbackService.sendAck(1, ackCommand.convert2Command());
//        try {
//            Thread.sleep(5000);
//        } catch (InterruptedException e) {
//            e.printStackTrace();
//        }
//
//        Stopper.stop();
//
//        try {
//            Thread.sleep(5000);
//        } catch (InterruptedException e) {
//            e.printStackTrace();
//        }
//    }

}