package com.moral.api.kafka.consumer;

import com.alibaba.fastjson.JSON;
import com.moral.api.entity.Device;
import com.moral.api.entity.Sensor;
import com.moral.api.entity.UnitConversion;
import com.moral.api.utils.UnitConvertUtils;
import com.moral.api.websocket.SingleDeviceServer;
import lombok.extern.slf4j.Slf4j;
import org.apache.kafka.clients.consumer.Consumer;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.apache.kafka.common.TopicPartition;
import org.springframework.kafka.annotation.KafkaListener;
import org.springframework.kafka.listener.ConsumerSeekAware;
import org.springframework.stereotype.Component;
import org.springframework.util.ObjectUtils;

import java.math.BigDecimal;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CopyOnWriteArraySet;

/**
 * @ClassName SecondsDataConsumer1
 * @Description TODO
 * @Author 陈凯裕
 * @Date 2021/6/15 14:49
 * @Version TODO
 **/
@Component
@Slf4j
public class SecondDataConsumer implements ConsumerSeekAware {

    @KafkaListener(containerFactory = "secondDataListenerFactory", topics = "second_data")
    public void listen(ConsumerRecord<String, String> record, Consumer consumer) throws Exception {
        String messageStr = record.value();
        Map<String, Object> message = (Map<String, Object>) JSON.parse(messageStr);
        //long serverStartTime = System.currentTimeMillis();
        CopyOnWriteArraySet<SingleDeviceServer> sockets = SingleDeviceServer.sockets;
        for (SingleDeviceServer socket : sockets) {
            //判断消息是否数据该socket
            String messageMac = (String) message.get("mac");
            String mac = socket.getMac();
            if (!mac.equalsIgnoreCase(messageMac))
                continue;
            //取出基本信息
            Device device = socket.getDeviceAlarmInfo();
            //创建最终消息对象
            Map<String, Object> resultMessgae = new HashMap<>();
            //拼接单位
            List<Sensor> sensors = device.getVersion().getSensors();//获取型号所有因子信息
            for (Sensor sensor : sensors) {
                String code = sensor.getCode();
                String showUnit = sensor.getShowUnit();
                String showUnitKey = sensor.getShowUnitKey();
                String unitKey = sensor.getUnitKey();
                String unit = sensor.getUnit();
                //如果消息中没有该因子则退出循环
                Object value = message.get(code);
                //对数据保留两位小数，并且向下取整
                /*if(value==null)    源代码
                    continue;
                Double sourceDataD = Double.valueOf(String.valueOf(value));*/
                //测试代码使用，给臭气一个固定值  start
                Double sourceDataD = null;
                if (value != null) {
                     sourceDataD = Double.valueOf(String.valueOf(value));
                }else{
                    sourceDataD = 5.00d;
                }
                //测试代码使用，给臭气一个固定值  end
                BigDecimal bg = new BigDecimal(sourceDataD);
                bg = bg.setScale(2, BigDecimal.ROUND_FLOOR);
                String sourceData = bg.toString();
                //数据补偿
                //单位转换
                if (!unitKey.equals(showUnitKey)) {//如果源单位和显示单位不同，则进行单位转换
                    String formula = sensor.getFormula();
                    //如果sensor中的公式为空则从缓存中获取公式
                    if (ObjectUtils.isEmpty(formula)) {
                        List<UnitConversion> unitConversions = socket.getUnitConversions();
                        for (UnitConversion unitConversion : unitConversions) {
                            if (unitConversion.getOriginalUnitKey().equals(unitKey) && unitConversion.getTargetUnitKey().equals(showUnitKey))
                                formula = unitConversion.getFormula();
                        }
                    }
                    //单位转换
                    String resultData = UnitConvertUtils.calculate(sourceData, formula);
                    if (resultData != null) {
                        resultData += showUnit;
                    } else {//如果转换出的数据为null，则代表缓存中也没有公式，依然使用源单位。
                        resultData = sourceData + unit;
                    }
                    resultMessgae.put(sensor.getCode(), resultData);
                } else {
                    //拼接单位
                    if(!showUnit.equals("无单位"))
                        sourceData = sourceData + " " + showUnit;
                    resultMessgae.put(sensor.getCode(), sourceData);
                }
            }
            //测试时间延迟使用的属性
            //resultMessgae.put("DataTime", message.get("DataTime"));
            //resultMessgae.put("time", message.get("time"));
            //resultMessgae.put("time1", message.get("time1"));
            //resultMessgae.put("serverTime", System.currentTimeMillis());
            //resultMessgae.put("serverStartTime", serverStartTime);
            socket.sendMessage(JSON.toJSONString(resultMessgae));
        }
    }

    @Override
    public void registerSeekCallback(ConsumerSeekCallback consumerSeekCallback) {

    }

    //consumer回调函数，设置从最新的offset开始消费
    @Override
    public void onPartitionsAssigned(Map<TopicPartition, Long> map, ConsumerSeekCallback consumerSeekCallback) {
        map.forEach((t, o) -> consumerSeekCallback.seekToEnd(t.topic(), t.partition()));
    }

    @Override
    public void onIdleContainer(Map<TopicPartition, Long> map, ConsumerSeekCallback consumerSeekCallback) {

    }

}