package dns

import (
	"bytes"
	"fmt"
	"os/exec"
	"strings"

	"k8s.io/klog/v2"
)

func Execute(shell string, arg ...string) (bool, error) {
	var outb, errb bytes.Buffer
	cmd := exec.Command(shell, arg...)
	cmd.Dir = AcmeDir
	cmd.Stdout = &outb
	cmd.Stderr = &errb
	klog.Infof("cmd: %s\n", cmd.String())
	err := cmd.Run()
	outstr := strings.TrimSuffix(outb.String(), "\n")
	errstr := strings.TrimSuffix(errb.String(), "\n")
	klog.Infof("out:\n%s\n", outstr)
	if err != nil {
		klog.Errorf("Script returned error:\nerr:\n")
		klog.Errorf("%s\n============\n", err)
		return false, err
	}
	if errb.String() != "" {
		klog.Infof("stderr:\n")
		klog.Errorf("%s\n============\n", errstr)
		return false, fmt.Errorf("stderr:\n%q", errstr)
	}
	klog.Infof("Script returned success\n")
	return true, nil
}