package com.panzhihua.service_property.util;

import com.panzhihua.common.utlis.StringUtils;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandlerContext;

import java.util.HashMap;
import java.util.Map;

public class MyTools {

    //十六进制字符转十进制
    public int covert(String content){
        int number=0;
        String [] HighLetter = {"A","B","C","D","E","F"};
        Map<String,Integer> map = new HashMap<>();
        for(int i = 0;i <= 9;i++){
            map.put(i+"",i);
        }
        for(int j= 10;j<HighLetter.length+10;j++){
            map.put(HighLetter[j-10],j);
        }
        String[]str = new String[content.length()];
        for(int i = 0; i < str.length; i++){
            str[i] = content.substring(i,i+1);
        }
        for(int i = 0; i < str.length; i++){
            number += map.get(str[i])*Math.pow(16,str.length-1-i);
        }
        return number;
    }

    public byte[] hexString2Bytes(String src) {
        int l = src.length() / 2;
        byte[] ret = new byte[l];
        for (int i = 0; i < l; i++) {
            ret[i] = (byte) Integer
                    .valueOf(src.substring(i * 2, i * 2 + 2), 16).byteValue();
        }
        return ret;
    }

    public void writeToClient(final String receiveStr, ChannelHandlerContext channel, final String mark) {
        try {
            ByteBuf bufff = Unpooled.buffer();//netty需要用ByteBuf传输
            bufff.writeBytes(hexString2Bytes(receiveStr));//对接需要16进制
            channel.writeAndFlush(bufff).addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    StringBuilder sb = new StringBuilder();
                    if(!StringUtils.isEmpty(mark)){
                        sb.append("【").append(mark).append("】");
                    }
                    if (future.isSuccess()) {
                        System.out.println(sb+"回写成功"+receiveStr);

                    } else {
                        System.out.println(sb+"回写失败"+receiveStr);
                    }
                }
            });
        } catch (Exception e) {
            e.printStackTrace();
            System.out.println("调用通用writeToClient()异常"+e.getMessage());

        }
    }

}