package com.mh.user.strategy;

import com.mh.common.utils.StringUtils;
import com.mh.user.entity.DataResultEntity;
import com.mh.user.entity.DeviceCodeParamEntity;
import com.mh.user.service.DataResultService;
import com.mh.user.utils.CRC16;
import com.mh.user.utils.ExchangeStringUtil;
import com.mh.user.utils.SpringBeanUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.ApplicationContext;

import java.util.Date;

/**
 * @author LJF
 * @version 1.0
 * @project CHWS
 * @description 电表运行策略
 * @date 2024-03-18 09:51:17
 */
@Slf4j
public class WtMeterStrategy implements DeviceStrategy {

    ApplicationContext context = SpringBeanUtil.getApplicationContext();

    DataResultService dataResultService = context.getBean(DataResultService.class);

    private static class SingletonHolder {
        private static final WtMeterStrategy INSTANCE = new WtMeterStrategy();
    }

    private WtMeterStrategy() {
        // 防止外部直接实例化
    }

    public static WtMeterStrategy getInstance() {
        return WtMeterStrategy.SingletonHolder.INSTANCE;
    }

    @Override
    public String createOrders(DeviceCodeParamEntity deviceCodeParamEntity) {
        String deviceAddr = deviceCodeParamEntity.getDeviceAddr();
        String brand = deviceCodeParamEntity.getBrand();
        String str = "";
        if (deviceAddr != null && deviceAddr.length() > 0) {
            try {
                if (StringUtils.isBlank(brand) || brand.equals("埃美柯")) {
                    // 0 代表前面补充0,14 代表长度为14,d 代表参数为正数型
                    str = String.format("%014d", Long.parseLong(deviceAddr));//基表通讯号
                    // 转换位置
                    str = ExchangeStringUtil.changePosition(str);
                    // 拼接功能码
                    str = "6810" + str + "0103901F00";   //水表读读数指令
                    // 检验和
                    String checkSum = ExchangeStringUtil.makeChecksum(str);
                    str = "FEFEFE" + str + checkSum + "16";
                } else if (brand.equals("脉冲")) {
                    str = ExchangeStringUtil.decToHex(deviceAddr);
                    str = ExchangeStringUtil.addZeroForNum(str, 2);
                    str = str + "0302020002";//读表累计值
                    String checkWord = ExchangeStringUtil.getStrCRC16(str); //CRC16校验
                    str = str + checkWord;
                }
            } catch (Exception e) {
                e.printStackTrace();
                log.error("生成水表采集指令异常>>>>", e);
            }
        }
        log.info("生成水表采集指令>>>>" + str);
        return str.toUpperCase();
    }

    @Override
    public String analysisReceiveData(String dateStr, String deviceType, String registerAddr, String brand, String buildingId, String buildingName, String dataStr) {
        String data = "";
        String meterId = "";
        if (dataStr.length() == 44 || dataStr.length() == 70 || dataStr.length() == 72) {
            String checkStr = dataStr.substring(0, dataStr.length() - 4);//减去校验码
            String checkNum = ExchangeStringUtil.makeChecksum(checkStr); //生成校验码
            if (checkNum.equalsIgnoreCase(dataStr.substring(dataStr.length() - 4, dataStr.length() - 2))) {
                meterId = checkStr.substring(16, 18) + checkStr.substring(14, 16) + checkStr.substring(12, 14) + checkStr.substring(10, 12)// 表号
                        + checkStr.substring(8, 10) + checkStr.substring(6, 8) + checkStr.substring(4, 6);
                meterId = String.format("%014d", Long.parseLong(meterId));
                StringBuilder stringBuilder = new StringBuilder();
                for (int i = 0; i < 4; i++) {
                    String data1 = checkStr.substring(36 - 2 * (i + 1), 36 - 2 * i);
                    stringBuilder.append(data1);
                }
                data = stringBuilder.toString();
                // 0 代表前面补充0，4 代表长度为4，d 代表参数为正数型
                data = String.format("%08d", Long.parseLong(data));
                data = data.substring(0, 6) + "." + data.substring(6, 8);
            } else {
                log.info("水表报文检验失败: " + dataStr);
            }
        } else if (dataStr.length() == 18) {
            String checkStr = dataStr.substring(0, dataStr.length() - 4);//检验报文
            byte[] strOrder = ExchangeStringUtil.hexStrToBinaryStr(checkStr);
            int checkNum = CRC16.CRC16_MODBUS(strOrder);
            String checkWord = ExchangeStringUtil.decToHex(String.valueOf(checkNum));
            checkWord = checkWord.substring(2, 4) + checkWord.substring(0, 2);
            String sValue = null;
            if (checkWord.equalsIgnoreCase(dataStr.substring(dataStr.length() - 4))) {
                meterId = ExchangeStringUtil.hexToDec(checkStr.substring(0, 2));//地址
                if (checkStr.substring(2, 4).equalsIgnoreCase("03")) {
                    data = String.valueOf(Integer.parseInt(ExchangeStringUtil.hexToDec(checkStr.substring(6, 14))) / 10); //读数
                }
            } else {
                log.info("水表报文检验失败: " + dataStr);
            }
        }
        log.info("水表表号: " + meterId + ",水表读数：" + data);
        try {
            if (!StringUtils.isBlank(data)) {
                DataResultEntity dataResultEntity = new DataResultEntity();
                dataResultEntity.setDeviceAddr(meterId);//通讯编号
                dataResultEntity.setDeviceType("水表");
                dataResultEntity.setCurValue(Double.parseDouble(data));     //当前读数
                Date date = new Date();
                dataResultEntity.setCurDate(date);           //当前日期
                dataResultEntity.setBuildingId(buildingId);
                dataResultService.saveDataResult(dataResultEntity);
                log.info("水表数据保存数据库成功！楼栋名称：" + buildingName);
            }
        } catch (Exception e) {
            e.printStackTrace();
            log.error("水表数据保存数据库失败！楼栋名称：" + buildingName);
        }
        if (!StringUtils.isBlank(data)) {
            data = String.valueOf(Double.valueOf(data));
        }
        return data;
    }
}