package com.dy.common.mw.protocol.p206V1_0_0.parse;

import com.dy.common.mw.protocol.*;
import com.dy.common.mw.protocol.p206V1_0_0.*;
import com.dy.common.util.ByteUtil;
import com.dy.common.util.ByteUtilUnsigned;
import com.dy.common.util.CRC8_for_2_0;
import com.dy.common.util.DateTime;

@AnnotationCodeDown(ifAny={
        CodeV1_0_1.cd_06
})
public class Cd_02_Down  implements CodeParse {

    //private static Logger log = LogManager.getLogger(Cd_XY_Down.class);

    @Override
    public MidResult[] parse(Boolean isLowPower, CodeParseParams params, CodeParseCallback callback) throws Exception {
        ParseParamsForDownV1_0_1 para = (ParseParamsForDownV1_0_1) params ;
        byte[] bs = this.doParse(para) ;

        MidResultToRtu midRs = new MidResultToRtu() ;
        midRs.protocolName = para.protocolName ;//协议名称
        midRs.rtuAddr = para.rtuAddr ;//IMEI号（电信平台设备IMEI）
        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.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 = true ;//RTU不在线，命令是否缓存，低功耗时为true

        //对RTU上行数据的应答
        midRs.hasResponse = false ;//是否有应答
        midRs.maxSendTimes = 1 ;//对RTU上行数据应答，所以只需发一次
        if(isLowPower != null && isLowPower.booleanValue()){
            //低功耗时
            midRs.isQuickSend = true ;
        }

        return new MidResult[]{midRs} ;
    }
    /**
     * 构造下行数据
     * @param para
     * @return
     * @throws Exception
     */
    public byte[] doParse(ParseParamsForDownV1_0_1 para) throws Exception {
        CommonV1_0_1 commonV1_0_1 = new CommonV1_0_1() ;
        byte[] bytes ;
        byte[] bsHead = new byte[ProtocolConstantV206V1_0_0.lenHead2Code] ;
        byte index = 0 ;
        bsHead[index] = ProtocolConstantV206V1_0_0.P_Head_Byte ;

        index++ ;
        bsHead[index] = 0 ;//帧长度

        index++ ;
        bsHead[index] = ProtocolConstantV206V1_0_0.P_Head_Byte ;

        index++ ;
        bsHead[index] = commonV1_0_1.createCtrl((byte)0) ;

        String rtuAddr = para.rtuAddr ;
        String rtuAddr1 = rtuAddr.substring(0, 6) ;
        String rtuAddr2 = rtuAddr.substring(6) ;

        index++ ;
        ByteUtil.string2BCD_BE(bsHead, rtuAddr1, index) ;
        index += 3 ;

        Integer rtuAddr2Int = Integer.parseInt(rtuAddr2) ;
        ByteUtilUnsigned.short2Bytes_BE(bsHead, rtuAddr2Int.shortValue(), index);
        index += 2 ;

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

        byte[] bs = new byte[7] ;
        bs[0] = (byte)0xF2 ;
        ByteUtil.string2BCD_BE(bs, DateTime.yyMMddhhmmss(), 1) ;

        bytes = ByteUtil.bytesMerge(bsHead, bs) ;

        int len = bytes.length + ProtocolConstantV206V1_0_0.lenTail;
        bytes[ProtocolConstantV206V1_0_0.dataLenIndex] = (byte)len ;

        int crc = new CRC8_for_2_0().CRC8(bytes, ProtocolConstantV206V1_0_0.ctrlIndex, bytes.length -1) ;
        bs = new byte[ProtocolConstantV206V1_0_0.lenTail] ;
        bs[0] = (byte)crc ;
        bs[1] = ProtocolConstantV206V1_0_0.P_Tail_Byte ;
        bytes = ByteUtil.bytesMerge(bytes, bs) ;

        return bytes ;
    }

}