package com.yssh.service;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;

@Service
public class SocketService {
    @Value("${socket.ip}")
    private String ip;

    @Value("${socket.port}")
    private int port;

    @Value("${cmd.runPy}")
    private String runPy;

    private final Logger logger = LoggerFactory.getLogger(this.getClass());

    public String sendMsg(String msg) throws Exception {
        try {
            Socket socket = new Socket(ip, port);

            BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            PrintWriter out = new PrintWriter(socket.getOutputStream(), true);

            out.println(msg);

            String rs = in.readLine();

            socket.close();

            exec(runPy);

            return rs;
        } catch (Exception ex) {
            logger.error(ex.getMessage(), ex);
            throw ex;
        }
    }

    public void exec(String cmd) {
        try {
            Process process = Runtime.getRuntime().exec(cmd);
            process.waitFor();
        } catch (Exception ex) {
            logger.error(ex.getMessage(), ex);
        }
    }
}