package gopackagebase

import (
	crypto_rand "crypto/rand"
	"encoding/binary"
	"fmt"
	math_rand "math/rand"
)

// InitRNG will grab some cryptographically secure bytes to use as the
// seed for the non-crypto random number generator. Suggested on
// StackOverflow to avoid time-based seeds:
// https://stackoverflow.com/a/54491783
func InitRNG() error {
	var b [8]byte
	_, err := crypto_rand.Read(b[:])
	if err != nil {
		err = fmt.Errorf("error seeding random number generator: %w", err)
		return err
	}
	math_rand.Seed(int64(binary.LittleEndian.Uint64(b[:])))

	return nil
}