package util

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

func OpenBrowser(url string) error {
	var err error

	switch runtime.GOOS {
	case "linux":
		err = exec.Command("xdg-open", url).Start()
	case "windows":
		err = exec.Command("rundll32", "url.dll,FileProtocolHandler", url).Start()
	case "darwin":
		err = exec.Command("open", url).Start()
	default:
		err = fmt.Errorf("unsupported platform")
	}

	return err
}

// checkAvailablePort 端口可用检测,netstat 只适合linux
func checkAvailablePort(port int) (res bool) {
	checkStatement := fmt.Sprintf(`lsof -i:%d -t`, port)
	output, err := exec.Command("sh", "-c", checkStatement).Output()
	if err != nil {
		return false
	}

	if len(output) > 0 {
		return false
	}

	return true
}