package utils

import (
	"crypto/rand"
	"math/big"
)

func GenerateRandomPassword(length int) (string, error) {
	const (
		LowerCase = "abcdefghijklmnopqrstuvwxyz"
		UpperCase = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
		Digits    = "0123456789"
	)
	chars := LowerCase + UpperCase + Digits

	password := make([]byte, length)
	for i := 0; i < length; i++ {
		n, err := rand.Int(rand.Reader, big.NewInt(int64(len(chars))))
		if err != nil {
			return "", err
		}
		password[i] = chars[n.Int64()]
	}

	return string(password), nil
}