package utils

import (
	"crypto/rand"
	"encoding/base64"
)

func GenerateSecret() string {
	b := make([]byte, 32)
	_, err := rand.Read(b)
	if err != nil {
		panic(err)
	}
	return base64.URLEncoding.EncodeToString(b)
}

const charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"

func GenerateRandomString(length int) string {
	b := make([]byte, length)
	_, err := rand.Read(b)
	if err != nil {
		panic(err)
	}

	for i := range b {
		b[i] = charset[int(b[i])%len(charset)]
	}

	return string(b)
}