package main

import (
	"bufio"
	"fmt"
	"os/exec"
	"sync"
	"time"
)

func main() {
	cmd := exec.Command("configui", "-p", "main.go")
	out, _ := cmd.StdoutPipe()
	stderr, _ := cmd.StderrPipe()
	cmd.Start()
	defer cmd.Process.Kill()
	fmt.Println("start: ", cmd.Args, ", pid: ", cmd.Process.Pid)
	<-time.After(time.Second * 1)
	var outlock sync.Mutex
	scanner := bufio.NewScanner(out)
	go func() {
		for {
			<-time.After(time.Second)
			fmt.Println("Usage: ", cmd.ProcessState.SysUsage())
		}
	}()
	go func() {
		for scanner.Scan() {
			m := scanner.Text()
			outlock.Lock()
			fmt.Println(m)
			outlock.Unlock()
		}
	}()
	scannererr := bufio.NewScanner(stderr)
	go func() {
		for scannererr.Scan() {
			m := scannererr.Text()
			outlock.Lock()
			fmt.Println(m)
			outlock.Unlock()
		}
	}()
	<-time.After(time.Second * 20)
}