package systemaction

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

type Service struct{}

func New() *Service { return &Service{} }

func (s *Service) Reboot() error {
	return runCommand("systemctl", "reboot")
}

func (s *Service) Shutdown() error {
	return runCommand("systemctl", "poweroff")
}

func runCommand(name string, args ...string) error {
	cmd := exec.Command(name, args...)
	output, err := cmd.CombinedOutput()
	if err != nil {
		trimmed := strings.TrimSpace(string(output))
		if trimmed == "" {
			return fmt.Errorf("%s failed", strings.Join(append([]string{name}, args...), " "))
		}
		return fmt.Errorf("%s failed: %s", strings.Join(append([]string{name}, args...), " "), trimmed)
	}
	return nil
}