package cn.com.tenlion.pollutantdata;

import com.cm.common.utils.DateUtil;
import com.cm.tenlion.pollutantdata.enums.CnEnum;
import com.cm.tenlion.pollutantdata.enums.DataCpFlagEnum;
import com.cm.tenlion.pollutantdata.enums.DataFlagEnum;
import com.cm.tenlion.pollutantdata.enums.StEnum;
import com.cm.tenlion.pollutantdata.utils.HJ212DataUtil;
import io.netty.bootstrap.Bootstrap;
import io.netty.buffer.ByteBuf;
import io.netty.channel.*;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.MessageToByteEncoder;
import io.netty.util.CharsetUtil;
import org.junit.Test;

import java.nio.charset.StandardCharsets;
import java.util.List;
import java.util.Random;

/**
 * When you feel like quitting. Think about why you started
 * 当你想要放弃的时候，想想当初你为何开始
 *
 * @ClassName: Demo
 * @Description:
 * @Author: wanggeng
 * @Date: 2021/3/19 10:41 上午
 * @Version: 1.0
 */
public class HJ212Test {

    public HJ212DataUtil.Data getData() {
        HJ212DataUtil.Data data = new HJ212DataUtil.Data();
        data.setQn(DateUtil.formatDate(System.currentTimeMillis(), "yyyyMMddHHmmssSSS"));
        data.setSt(StEnum.AIR.getValue());
        data.setCn(CnEnum.REAL_TIME.getValue());
        // 采集器密码
        data.setPw("123456");
        // 采集器编号
        data.setMn("SCY00010001");
        data.setFlag(DataFlagEnum.HAS_PNUM_ANSWER_V2017.getValue());
        HJ212DataUtil.DataCp dataCp = new HJ212DataUtil.DataCp();
        Random random = new Random();

        // 实时值
        dataCp.setRtd((double) random.nextInt(20));
        // 折算实时值
        dataCp.setZsRtd((double) random.nextInt(20));
        // 污染因子
//        dataCp.setPollId("w00000");
        dataCp.setPollId("w01001");
//        dataCp.setSn("CJQ000100010001");
        dataCp.setSn("CJQ000100010002");
        dataCp.setSampleTime(DateUtil.formatDate(System.currentTimeMillis(), "yyyyMMddHHmmssSSS"));
        dataCp.setFlag(DataCpFlagEnum.N.getValue());
        data.setDataCp(dataCp);
        return data;
    }

    @Test
    public void hj212ClientTest() {
        Bootstrap bootstrap = new Bootstrap();
        EventLoopGroup eventLoopGroup = new NioEventLoopGroup();
        try {
            bootstrap.group(eventLoopGroup);
            bootstrap.channel(NioSocketChannel.class);
            bootstrap.option(ChannelOption.SO_KEEPALIVE, true);
            bootstrap.option(ChannelOption.SO_SNDBUF, 1024 * 1024 * 1024);
            bootstrap.option(ChannelOption.SO_RCVBUF, 1024 * 1024 * 1024);
            bootstrap.handler(new ChannelInitializer<SocketChannel>() {
                @Override
                protected void initChannel(SocketChannel socketChannel) throws Exception {
                    socketChannel.pipeline().addLast(new MessageToByteEncoder<byte[]>() {
                        @Override
                        protected void encode(ChannelHandlerContext channelHandlerContext, byte[] bytes, ByteBuf byteBuf) throws Exception {
                            byteBuf.writeBytes(bytes);
                        }
                    });
                    socketChannel.pipeline().addLast(new SimpleChannelInboundHandler<ByteBuf>() {
                        @Override
                        protected void channelRead0(ChannelHandlerContext channelHandlerContext, ByteBuf byteBuf) throws Exception {
                            byte[] dataByte = new byte[byteBuf.readableBytes()];
                            byteBuf.readBytes(dataByte);
                            String msg = new String(dataByte, CharsetUtil.UTF_8);
                            System.out.println(msg);
                        }

                        @Override
                        public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
                            cause.printStackTrace();
                            ctx.close();
                        }
                    });
                }
            });
            ChannelFuture channelFuture = bootstrap.connect("124.67.110.246", 6666).sync();
            channelFuture.addListener((ChannelFutureListener) future -> {
                if (!future.isSuccess()) {
                    future.channel().pipeline().fireChannelInactive();
                }
            });
            List<String> datas = HJ212DataUtil.respData(getData());
            datas.forEach(data -> {
                channelFuture.channel().writeAndFlush(data.getBytes(StandardCharsets.UTF_8));
            });
            channelFuture.channel().closeFuture().sync();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            eventLoopGroup.shutdownGracefully();
        }
    }

}