package com.dy.common.mw.protocol.p206V2.parse;

import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.JSONObject;
import com.dy.common.mw.protocol.*;
import com.dy.common.mw.protocol.p206V2.CodeV2;
import com.dy.common.mw.protocol.p206V2.CommonV2;
import com.dy.common.mw.protocol.p206V2.ParseParamsForDownV2;
import com.dy.common.mw.protocol.p206V2.ProtocolConstantV206V2;
import com.dy.common.mw.protocol.p206V2.downVos.Com38Vo;
import com.dy.common.mw.protocol.p206V2.parse.global.GlCreate;
import com.dy.common.util.ByteUtil;

/**
 * @Author liurunyu
 * @Date 2024/4/10 18:26
 * @LastEditTime 2024/4/10 18:26
 * @Description 设置水价
 */
@AnnotationCodeDown(ifAny={
        CodeV2.cd_38
})
public class Cd_38_Down implements CodeParse {

    @Override
    public MidResult[] parse(Boolean isLowPower, CodeParseParams params, CodeParseCallback callback) throws Exception {
        ParseParamsForDownV2 para = (ParseParamsForDownV2) params ;
        byte[] bs = this.doParse(para) ;

        MidResultToRtu midRs = new MidResultToRtu() ;
        midRs.rtuResultSendWebUrl = para.rtuResultSendWebUrl ;//rtu返回命令结果 发向目的地web URL
        midRs.protocolName = para.protocolName ;//协议名称
        midRs.protocolVersion = para.protocolVersion ;//协议版本号
        midRs.rtuAddr = para.rtuAddr ;//Rtu地址
        midRs.commandId = para.commandId ;//命令ID，发起命令的客户端(web端)生成，以匹配命令结果
        midRs.downCode = para.commandCode ;//下行命令功能码;
        midRs.downCodeName = CodeV2.getCodeName(para.commandCode) ;//下行命令功能码名称;
        midRs.downBuffer = bs ;//下行命令数据
        midRs.downBufHex = ByteUtil.bytes2Hex(bs, true) ;//下行命令数据十六进制形式
        midRs.hasResponse = true ;//是否有应答
        midRs.maxSendTimes = null ;//命令最大发送次数(当收不到应答时，将重发)，如果不设置，命令缓存器进行补充设置
        midRs.isCachForOffLine = false ;//RTU不在线，命令是否缓存，低功耗时为true

        if(isLowPower != null && isLowPower.booleanValue()){
            //低功耗时，尽快发送
            midRs.isQuickSend = true ;
        }

        return new MidResult[]{midRs} ;
    }

    /**
     * 构造下行数据
     * @param para 参数
     * @return 字节数组
     * @throws Exception 异常
     */
    public byte[] doParse(ParseParamsForDownV2 para) throws Exception {
        if(para.param == null) {
            throw new Exception("命令参数为null") ;
        }else {
            JSONObject obj = (JSONObject) para.param;
            String json = obj.toJSONString();
            Com38Vo cvo = JSON.parseObject(json, Com38Vo.class);
            if (cvo == null) {
                throw new Exception("json转Com21Vo为null");
            }
            if (cvo.remainMoneyAlarm == null) {
                throw new Exception("用户余额报警值不能为空");
            }
            if (cvo.remainMoneyAlarm < 1.0) {
                throw new Exception("用户余额报警值不能小于1.0");
            }
            CommonV2 commonV_1 = new CommonV2();
            byte[] bytes;
            byte[] bsHead = new byte[ProtocolConstantV206V2.lenHead2Code];
            byte index = GlCreate.createHead(para.protocolVersion, bsHead);

            index++;
            bsHead[index] = commonV_1.createCtrl((byte) 0, (byte) 0);

            index++;
            GlCreate.createRtuAddr(para.rtuAddr, bsHead, index);
            index += 5;

            ByteUtil.hex2Bytes(para.commandCode, bsHead, index);

            index = 0;
            byte[] bs = new byte[10];
            Double remainMoneyAlarmDb = cvo.remainMoneyAlarm * 100.0;
            Integer remainMoneyAlarmInt = remainMoneyAlarmDb.intValue();
            byte[] bb = ByteUtil.int2BCD_LE(remainMoneyAlarmInt) ;
            if(bb.length == 1){
                bs[0] = bb[0] ;
            }else if(bb.length == 2){
                bs[0] = bb[0] ;
                bs[1] = bb[1] ;
            }
            //ByteUtilUnsigned.short2Bytes_LE(bs, remainMoneyAlarmInt.shortValue(), index);
            index += 2;
            GlCreate.createPw(bs, index);
            index += 2;
            GlCreate.createTp(bs, index);
            bytes = ByteUtil.bytesMerge(bsHead, bs);

            GlCreate.createLen(bytes);//长度放字节数组中

            byte[] bsTail = GlCreate.createCrcTail(bytes);//CRC和尾叠加字节数组中

            bytes = ByteUtil.bytesMerge(bytes, bsTail);

            return bytes;
        }
    }

}