package handlers

import (
	"crypto/rand"
	"fmt"
	"strings"
)

// GenerateKey produces a license key in the format XXXX-XXXX-XXXX-XXXX
func GenerateKey() string {
	b := make([]byte, 8)
	rand.Read(b)
	hex := fmt.Sprintf("%X", b)
	parts := []string{
		hex[0:4], hex[4:8], hex[8:12], hex[12:16],
	}
	return strings.Join(parts, "-")
}