package org.jeecg.modules.dry.mqtt;

import cn.hutool.core.thread.ThreadUtil;
import com.alibaba.fastjson.JSONObject;
import org.eclipse.paho.client.mqttv3.IMqttDeliveryToken;
import org.eclipse.paho.client.mqttv3.MqttCallback;
import org.eclipse.paho.client.mqttv3.MqttMessage;
import org.jeecg.common.constant.CommonConstant;
import org.jeecg.common.constant.MqttConstant;
import org.jeecg.common.util.DateUtils;
import org.jeecg.common.util.RedisUtil;
import org.jeecg.modules.base.service.BaseCommonService;
import org.jeecg.modules.dry.api.EmqxApi;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;

@Component
@Scope("prototype")
public class MqttSampleCallback implements MqttCallback {
  @Value(value = "${jeecg.mqtt.role}")
  private String role;
  @Autowired
  private MqttUtil mqttUtil;
  @Autowired
  private EmqxApi emqxApi;
  @Autowired
  private BaseCommonService baseCommonService;
  @Autowired
  private RedisUtil redisUtil;


  @Override
  public void connectionLost(Throwable throwable) {
    System.err.println("连接断开：：掉线");
  }

  @Override
  public void messageArrived(String topic, MqttMessage mqttMessage) throws Exception {
    System.out.println("收到消息: \n  topic：" + topic + "\n  Qos：" + mqttMessage.getQos() + "\n  payload："
      + new String(mqttMessage.getPayload()));

    switch (role) {
      // 管理员
      case "admin":
        String message = new String(mqttMessage.getPayload());
        JSONObject messageJson = JSONObject.parseObject(message);

        if (topic.startsWith("$SYS/brokers/") && topic.endsWith("connected")) {
          JSONObject client = (JSONObject) redisUtil.get(MqttConstant.MQTT_ONLINE_CLIENT + messageJson.get("clientid"));
          if (client == null) {
            JSONObject item = new JSONObject();
            //username
            item.put("username", messageJson.get("username"));
            //连接时间
            Long st = messageJson.getLong("connected_at");
            String upTime = DateUtils.timestamptoStr(st, DateUtils.datetimeFormat.get());
            item.put("connectedAt", upTime);
            //clientid
            String clientid = messageJson.getString("clientid");
            item.put("clientid", clientid);
            //是否连接
            item.put("connected", true);
            //
            String[] info = clientid.split("-");
            item.put("type", info[0]);
            item.put("tenantId", info[1]);
            item.put("code", info[2]);

            redisUtil.set(MqttConstant.MQTT_ONLINE_CLIENT + clientid, item);
            System.err.println(String.format("设备: %s上线", clientid));
          }

        }
        if (topic.startsWith("$SYS/brokers/") && topic.endsWith("disconnected")) {
          String clientid = messageJson.getString("clientid");
          redisUtil.del(MqttConstant.MQTT_ONLINE_CLIENT + clientid);
          System.err.println(String.format("设备: %s下线", clientid));
        }
        parseAdminCommand(topic, mqttMessage);

        break;
      // 普通用户
      case "user":
        System.err.println("user");
        parseUserCommand(topic, mqttMessage);
        break;

    }

  }


  @Override
  public void deliveryComplete(IMqttDeliveryToken iMqttDeliveryToken) {
    System.err.println("消息传递成功");
  }

  // 解析admin角色指令
  private void parseAdminCommand(String topic, MqttMessage mqttMessage) {
    String message = new String(mqttMessage.getPayload());
    JSONObject messageJson = JSONObject.parseObject(message);

    //请求的客户端(服务端只推送数据到请求的客户端)
    StringBuilder req = new StringBuilder();
    if (messageJson.containsKey("req")) {
      req.append(messageJson.get("req"));
    }
    //前端传参时间戳转换
    if (messageJson.containsKey("timestamp")) {
      messageJson.put("timestamp", DateUtils.zone2Str(messageJson.get("timestamp").toString()));
    }
    baseCommonService.addLog(message, CommonConstant.LOG_TYPE_MQTT, CommonConstant.OPERATE_MQTT_1);
    switch (topic) {
      // 查询设备在线
      case MqttConstant.MOBILE_QUERY_EQU_STATU:
        System.err.println("admin收到" + topic);
        // 根据设备id查询设备mqtt在线状态
        String clientId = messageJson.getString("clientId");
        JSONObject client = (JSONObject) redisUtil.get(MqttConstant.MQTT_ONLINE_CLIENT + clientId);

        ThreadUtil.execute(() -> {

          if (client == null || client.isEmpty()) {
            JSONObject res = new JSONObject();
            res.put("success", false);
            res.put("msg", "查询失败");
            try {
              MqttMessage sendMessage = new MqttMessage(res.toJSONString().getBytes());
              sendMessage.setQos(0);
              mqttUtil.getMqttClient().publish(String.format(MqttConstant.SERVICE_RES_EQU_STATU, req), sendMessage);
            } catch (Exception e) {
              e.printStackTrace();
            }
            return;
          }

          client.put("success", true);
          client.put("msg", "查询成功");
          try {
            MqttMessage sendMessage = new MqttMessage(client.toJSONString().getBytes());
            sendMessage.setQos(0);
            mqttUtil.getMqttClient().publish(String.format(MqttConstant.SERVICE_RES_EQU_STATU, req), sendMessage);
            baseCommonService.addLog(client.toString(), CommonConstant.LOG_TYPE_MQTT, CommonConstant.OPERATE_MQTT_2);
          } catch (Exception e) {
            e.printStackTrace();
          }
        });
        break;

    }

  }


  // 解析user角色指令
  private void parseUserCommand(String topic, MqttMessage mqttMessage) {

    String message = new String(mqttMessage.getPayload());
    JSONObject messageJson = JSONObject.parseObject(message);

    //请求的客户端(服务端只推送数据到请求的客户端)
    StringBuilder req = new StringBuilder();
    if (messageJson.containsKey("req")) {
      req.append(messageJson.get("req"));
    }
    //前端传参时间戳转换
    if (messageJson.containsKey("timestamp")) {
      messageJson.put("timestamp", DateUtils.zone2Str(messageJson.get("timestamp").toString()));
    }

    switch (topic) {
      case MqttConstant.MOBILE_REQ_EQU_CMD:
        System.err.println("user收到" + topic);
        System.err.println(message);
        ThreadUtil.execute(() -> {
          //TODO 向PLC发送开关机操作，并返回信息
          JSONObject res = new JSONObject();
          res.put("success", true);
          res.put("msg", "操作成功");
          try {
            MqttMessage sendMessage = new MqttMessage(JSONObject.toJSONString(res).getBytes());
            sendMessage.setQos(0);
            mqttUtil.getMqttClient().publish(String.format(MqttConstant.SERVICE_RES_EQU_CMD, req), sendMessage);
            baseCommonService.addLog(res.toString(), CommonConstant.LOG_TYPE_MQTT, CommonConstant.OPERATE_MQTT_2);
          } catch (Exception e) {
            e.printStackTrace();
          }

        });


        break;
    }

  }

}