package com.zy.core.thread;

import com.alibaba.fastjson.JSONObject;
import com.core.common.Cools;
import com.core.common.DateUtils;
import com.zy.core.News;
import com.zy.core.Slave;
import com.zy.core.ThreadHandler;
import com.zy.core.cache.OutputQueue;
import lombok.Data;
import lombok.extern.slf4j.Slf4j;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketAddress;
import java.net.SocketTimeoutException;
import java.util.Date;

/**
 * 条码扫描仪线程
 * Created by vincent on 2020/8/4
 */
@Data
@Slf4j
public class BarcodeThread implements Runnable, ThreadHandler {

    private Slave slave;
    private StringBuffer barcode = new StringBuffer();
    private Socket socket;
    private DataOutputStream dataOutputStream;
    private DataInputStream dataInputStream;
    public Integer connCount = 0;

    public BarcodeThread(Slave slave) {
        this.slave = slave;
    }

    public String getBarcode() {
        return barcode.toString();
    }

    public void setBarcode(String barcode) {
        this.barcode.delete(0, this.barcode.length());
        this.barcode.append(barcode);
        if(!Cools.isEmpty(barcode)) {
            News.info("{}号条码器，检索数据：{}", slave.getId(), this.barcode);
            JSONObject jsonObject = new JSONObject();
            jsonObject.put("time", DateUtils.convert(new Date(), DateUtils.yyyyMMddHHmmss_F));
            jsonObject.put("barcode", barcode);
            if (OutputQueue.BARCODE.size() >= 32) {
                OutputQueue.BARCODE.poll();
            }
            OutputQueue.BARCODE.offer(jsonObject);
        }
    }

    @Override
    public boolean connect() {
        try {
            close();  //1.主动释放连接 //2.某些服务器对指定ip有链路数限制
            socket = new Socket();
            SocketAddress socketAddress = new InetSocketAddress(slave.getIp(), slave.getPort());
            socket.connect(socketAddress, 1000); //某些服务器ping延迟高时要增加,否则会报错connect timeout
            dataOutputStream = new DataOutputStream(socket.getOutputStream());
            dataInputStream = new DataInputStream(socket.getInputStream());
//            log.info("条码扫描仪连接成功 ===>> [id:{}] [ip:{}] [port:{}]", slave.getId(), slave.getIp(), slave.getPort());
        } catch (Exception e) {
            socket = null;
            log.error("条码扫描仪连接失败！！！ ===>> [id:{}] [ip:{}] [port:{}]", slave.getId(), slave.getIp(), slave.getPort());
            return false;
        }
        return true;
    }

    @Override
    public void close() {
        try {
            if (null != dataOutputStream) {
                dataOutputStream.close();
            }
            if (null != dataInputStream) {
                dataInputStream.close();
            }
            if (null != socket){
                socket.close();
            }
            socket = null;
        } catch (IOException e) {
            log.error("SocketClient close Exception:" + e.getMessage());
        }
    }

    @Override
    @SuppressWarnings("InfiniteLoopStatement")
    public void run() {
        connect();
        while (true) {
            try {
                byte[] read = read(14, 5000);
                if (null != read) {
                    String s = new String(read);
                    if (!Cools.isEmpty(s)) {
                        setBarcode(new String(read));
                    }
                }
                Thread.sleep(50);
            } catch (SocketTimeoutException ignore) {
                connCount++;
            } catch (Exception e) {
                setBarcode("");
                e.printStackTrace();
            }
        }
    }

    public byte[] read(int bufferSize, int timeOut) throws IOException {
        if (socket == null || !socket.isConnected() || socket.isClosed() || connCount > 120) {
            connect();
            connCount = 0;
            return null;
        }
        socket.setSoTimeout(timeOut);
        byte[] bytes = new byte[bufferSize];
        int len = dataInputStream.read(bytes);
        byte[] tempBytes = null;
        if (len > 0) {
            tempBytes = new byte[len];
            System.arraycopy(bytes, 0, tempBytes, 0, len);
        } else {
            connect();
        }
        return tempBytes;
    }


}