package com.zswl.dataservice.service.mqtt;

import com.zswl.dataservice.dao.mqtt.*;
import com.zswl.dataservice.domain.mqtt.*;
import com.zswl.dataservice.model.mqtt.*;
import com.zswl.dataservice.utils.DateUtils;
import com.zswl.dataservice.utils.bean.BeanUtils;
import com.zswl.dataservice.utils.mqtt.MqttTopicUtils;
import com.zswl.dataservice.utils.mqtt.type.OnLineState;
import com.zswl.dataservice.utils.page.PageEntityUtil;
import com.zswl.dataservice.utils.result.ResultContent;
import lombok.Cleanup;
import lombok.extern.slf4j.Slf4j;
import org.apache.activemq.artemis.api.core.management.ActiveMQServerControl;
import org.apache.activemq.artemis.api.core.management.ObjectNameBuilder;
import org.apache.commons.lang3.ObjectUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.stereotype.Service;

import javax.management.MBeanServerConnection;
import javax.management.MBeanServerInvocationHandler;
import javax.management.ObjectName;
import javax.management.remote.JMXConnector;
import javax.management.remote.JMXConnectorFactory;
import javax.management.remote.JMXServiceURL;
import java.util.ArrayList;
import java.util.List;

/**
 * @author TRX
 * @date 2024/5/17
 */
@Slf4j
@Service
public class GateWayInfoService {

    @Autowired
    GateWayInfoDao gateWayInfoDao;

    @Autowired
    GateWayUserInfoDao gateWayUserInfoDao;

    @Autowired
    DeviceInfoDao deviceInfoDao;

    @Autowired
    GateWay2UserDao gateWay2UserDao;

    @Autowired
    DeviceInfoService deviceInfoService;

    @Autowired
    GateWay2DeviceDao gateWay2DeviceDao;

    @Autowired
    MqttInfoDao mqttInfoDao;

    @Autowired
    OperationLogsService operationLogsService;

    /**
     * 添加网关
     *
     * @param param
     * @return
     */
    public ResultContent addGateWayInfo(GateWayInfoAddParam param) {
        GateWayInfo gateWayInfo = gateWayInfoDao.findTopByGateWayId(param.getGateWayId());
        if (ObjectUtils.isNotEmpty(gateWayInfo)) {
            return ResultContent.buildFail(String.format("网关ID已存在：%s", param.getGateWayId()));
        }
        gateWayInfo = new GateWayInfo();
        BeanUtils.copyProperties(param, gateWayInfo);
        if (param.getState() == null) {
            gateWayInfo.setState(OnLineState.OffLine);
        }
        gateWayInfoDao.save(gateWayInfo);
        return ResultContent.buildSuccess();
    }

    /**
     * 网关绑定设备、连接账号
     *
     * @param param
     * @return
     */
    public ResultContent gateWayBindDevice(GateWayBindDeviceParam param) {
        GateWayInfo gateWayInfo = gateWayInfoDao.findTopByGateWayId(param.getGateWayId());
        if (ObjectUtils.isEmpty(gateWayInfo)) {
            // 如果网关不存在，则初始化
            GateWayInfoAddParam addParam = new GateWayInfoAddParam();
            addParam.setGateWayId(param.getGateWayId());
            addParam.setGateWayName(param.getGateWayName());
        }
        gateWayInfo = gateWayInfoDao.findTopByGateWayId(param.getGateWayId());

        // 验证连接账号
        GateWayUserInfo gateWayUserInfo = gateWayUserInfoDao.findTopByUserName(param.getUserName());
        if (ObjectUtils.isEmpty(gateWayUserInfo)) {
            return ResultContent.buildFail(String.format("连接账号不存在：%s", param.getUserName()));
        }
        // 验证账号是否已绑定网关
        GateWay2User gateWay2User = gateWay2UserDao.findTopByGateWayUserInfo(gateWayUserInfo);
        if (ObjectUtils.isNotEmpty(gateWay2User)) {
            // 如果有绑定关系
            GateWayInfo oldGateWayInfo = gateWay2User.getGateWayInfo();
            if (!oldGateWayInfo.getGateWayId().equals(gateWayInfo.getGateWayId())) {
                return ResultContent.buildFail(String.format("连接账号%s已使用", gateWayUserInfo.getUserName()));
            }
        }

        // 设备列表
        List<DeviceInfo> deviceInfos = new ArrayList<>();
        List<DeviceInfoAddParam> devices = new ArrayList<>();
        if (ObjectUtils.isNotEmpty(devices)) {
            // 绑定网关和设备的关系
            for (DeviceInfoAddParam device : devices) {
                // 如果设备不存在，，则初始化
                ResultContent<DeviceInfo> resultContent = deviceInfoService.initDeviceInfo(device);
                DeviceInfo deviceInfo = resultContent.getContent();
                GateWay2Device gateWay2Device = gateWay2DeviceDao.findTopByGateWayInfoAndDeviceInfo(gateWayInfo, deviceInfo);

                if (ObjectUtils.isEmpty(gateWay2Device)) {
                    gateWay2Device = new GateWay2Device();
                    gateWay2Device.setState(OnLineState.OffLine);
                }
                gateWay2Device.setGateWayInfo(gateWayInfo);
                gateWay2Device.setDeviceInfo(deviceInfo);
                gateWay2Device.setBindTimeStr(DateUtils.paresTime(System.currentTimeMillis(), DateUtils.FORMAT_LONG));
                gateWay2DeviceDao.save(gateWay2Device);
                deviceInfos.add(deviceInfo);
            }
        }

        // 绑定网关和用户的关系
        if (ObjectUtils.isEmpty(gateWay2User)) {
            gateWay2User = new GateWay2User();
        }
        gateWay2User.setGateWayUserInfo(gateWayUserInfo);
        gateWay2User.setGateWayInfo(gateWayInfo);
        gateWay2User.setBindTime(System.currentTimeMillis());
        gateWay2User.setBindTimeStr(DateUtils.paresTime(System.currentTimeMillis(), DateUtils.FORMAT_LONG));
        gateWay2UserDao.save(gateWay2User);

        // 添加连接账号关于：网关、设备的 Topic权限
        bindUserGateWayPermissions(MqttTopicUtils.getUserRoleName(gateWayUserInfo), gateWayInfo.getGateWayId());

        // 绑定用户设备权限
        bindUserDevicesPermissions(MqttTopicUtils.getUserRoleName(gateWayUserInfo), deviceInfos);

        return ResultContent.buildSuccess();
    }

    /**
     * 删除网关
     *
     * @param gateWayId
     * @return
     */
    public ResultContent deleteGateWayInfo(String gateWayId) {
        GateWayInfo gateWayInfo = gateWayInfoDao.findTopByGateWayId(gateWayId);
        if (ObjectUtils.isEmpty(gateWayInfo)) {
            return ResultContent.buildFail(String.format("网关ID不存在：%s", gateWayId));
        }
        gateWayInfoDao.delete(gateWayInfo);
        return ResultContent.buildSuccess();
    }

    /**
     * 网关列表
     *
     * @param pageable
     * @param param
     * @return
     */
    public ResultContent<Page<GateWayInfoModel>> pageGateWay(Pageable pageable, GateWayInfoSearchParam param) {
        Page<GateWayInfo> page = gateWayInfoDao.page(pageable, param);
        return ResultContent.buildSuccess(PageEntityUtil.toPageModel(page, this::toModel));
    }

    /**
     * 查询网关详情
     *
     * @param gateWayId
     * @return
     */
    public ResultContent<GateWayInfoModel> getById(String gateWayId) {
        GateWayInfoModel model = null;
        GateWayInfo deviceInfo = gateWayInfoDao.findTopByGateWayId(gateWayId);
        if (ObjectUtils.isNotEmpty(deviceInfo)) {
            model = toModel(deviceInfo);
        }
        return ResultContent.buildSuccess(model);
    }

    public GateWayInfoModel toModel(GateWayInfo entity) {
        GateWayInfoModel model = new GateWayInfoModel();
        if (ObjectUtils.isNotEmpty(entity)) {
            BeanUtils.copyProperties(entity, model);
        }
        return model;
    }

    /**
     * 绑定角色网关的权限
     *
     * @param roleName
     * @param gateWayId
     * @return
     */
    public ResultContent bindUserGateWayPermissions(String roleName, String gateWayId) {
        try {
            List<MqttInfo> list = mqttInfoDao.findAll();
            if (ObjectUtils.isNotEmpty(list)) {
                for (MqttInfo mqttInfo : list) {
                    String urlStr = String.format("service:jmx:rmi:///jndi/rmi://%s:%s/jmxrmi", mqttInfo.getJmxHost(), mqttInfo.getJmxPort());
                    JMXServiceURL url = new JMXServiceURL(urlStr);
                    @Cleanup JMXConnector connector = JMXConnectorFactory.connect(url, null);
                    connector.connect();
                    log.info("JMX %s:%s 连接成功...", mqttInfo.getJmxHost(), mqttInfo.getJmxPort());
                    MBeanServerConnection connection = connector.getMBeanServerConnection();
                    ObjectName addressObjectName = ObjectNameBuilder.create("org.apache.activemq.artemis", mqttInfo.getBrokerName()).getActiveMQServerObjectName();
                    ActiveMQServerControl addressControl = MBeanServerInvocationHandler.newProxyInstance(connection, addressObjectName, ActiveMQServerControl.class, false);

                    addressControl.addSecuritySettings(MqttTopicUtils.buildGateWayAllTopic(gateWayId), roleName, roleName, roleName, roleName, roleName, roleName, roleName, roleName, roleName, roleName);
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
            log.error("bindUserGateWayPermissions 出错：%s", e.getMessage());
        }
        return ResultContent.buildSuccess();
    }

    public ResultContent bindUserDevicesPermissions(String roleName, List<DeviceInfo> deviceInfos) {
        try {
            List<MqttInfo> list = mqttInfoDao.findAll();
            if (ObjectUtils.isNotEmpty(list)) {
                list.parallelStream().forEach(mqttInfo -> {
                    try {
                        String urlStr = String.format("service:jmx:rmi:///jndi/rmi://%s:%s/jmxrmi", mqttInfo.getJmxHost(), mqttInfo.getJmxPort());
                        JMXServiceURL url = new JMXServiceURL(urlStr);
                        @Cleanup JMXConnector connector = JMXConnectorFactory.connect(url, null);
                        connector.connect();
                        log.info("JMX %s:%s 连接成功...", mqttInfo.getJmxHost(), mqttInfo.getJmxPort());
                        MBeanServerConnection connection = connector.getMBeanServerConnection();
                        ObjectName addressObjectName = ObjectNameBuilder.create("org.apache.activemq.artemis", mqttInfo.getBrokerName()).getActiveMQServerObjectName();
                        ActiveMQServerControl addressControl = MBeanServerInvocationHandler.newProxyInstance(connection, addressObjectName, ActiveMQServerControl.class, false);

                        for (DeviceInfo deviceInfo : deviceInfos) {
                            addressControl.addSecuritySettings(MqttTopicUtils.buildDeviceAllTopic(deviceInfo.getDeviceId()), roleName, roleName, roleName, roleName, roleName, roleName, roleName, roleName, roleName, roleName);
                        }
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                });
            }
        } catch (Exception e) {
            e.printStackTrace();
            log.error("bindUserDevicesPermissions 出错：%s", e.getMessage());
        }
        return ResultContent.buildSuccess();
    }

}