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.Com21Vo;
import com.dy.common.mw.protocol.p206V2.parse.global.GlCreate;
import com.dy.common.util.ByteUtil;
import com.dy.common.util.ByteUtilUnsigned;

/**
 * @Author liurunyu
 * @Date 2023/12/25 11:37
 * @LastEditTime 2023/12/25 11:37
 * @Description
 */
@AnnotationCodeDown(ifAny={
        CodeV2.cd_21
})
public class Cd_21_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();
            Com21Vo cvo = JSON.parseObject(json, Com21Vo.class);
            if(cvo == null){
                throw new Exception("json转Com21Vo为null") ;
            }
            if(cvo.ip == null || cvo.ip.equals("")){
                throw new Exception("IP不能为空") ;
            }
            if(cvo.ip.length() > 15){
                throw new Exception("IP最大长度是15个字符") ;
            }
            if(cvo.port < 0 || cvo.port > 65535){
                throw new Exception("端口号必须是0~65535范围内的整数") ;
            }
            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.createRtuAddr4P206(para.rtuAddr, bsHead, index);
            index += 5 ;

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

            index = 0 ;
            byte[] bs = new byte[13] ;
            String[] ipPorts = cvo.ip.split(".") ;
            ByteUtilUnsigned.short2Bytes_LE(bs, (byte) Integer.parseInt(ipPorts[0]), index++);
            ByteUtilUnsigned.short2Bytes_LE(bs, (byte) Integer.parseInt(ipPorts[1]), index++);
            ByteUtilUnsigned.short2Bytes_LE(bs, (byte) Integer.parseInt(ipPorts[2]), index++);
            ByteUtilUnsigned.short2Bytes_LE(bs, (byte) Integer.parseInt(ipPorts[3]), index++);
            ByteUtilUnsigned.short2Bytes_LE(bs, cvo.port, 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.createCrcTail4P206(bytes) ;//CRC和尾叠加字节数组中

            bytes = ByteUtil.bytesMerge(bytes, bsTail) ;

            return bytes ;
        }

    }

}