package shell

import (
	"errors"
	"os"
	"os/exec"

	"go.wit.com/log"
)

func Exec(args []string) error {
	if len(args) == 0 {
		return errors.New("Error: Command slice is empty.")
	}

	// Start a long-running process, capture stdout and stderr
	a, b := RemoveFirstElement(args)

	process := exec.Command(a, b...)
	process.Stderr = os.Stderr
	process.Stdin = os.Stdin
	process.Stdout = os.Stdout
	process.Start()
	err := process.Wait()
	log.Log(INFO, "shell.Exec() err =", err)
	return nil
}

func ExecCheck(args []string) error {
	if len(args) == 0 {
		return errors.New("Error: Command slice is empty.")
	}

	// Start a long-running process, capture stdout and stderr
	a, b := RemoveFirstElement(args)

	process := exec.Command(a, b...)
	process.Stderr = os.Stderr
	process.Stdin = os.Stdin
	process.Stdout = os.Stdout
	err := process.Run()
	if err != nil {
		log.Info("ExecCheck() err", err)
		return err
	}
	log.Info("ExecCheck() nil")
	return nil
}