package com.wediscussmovies.project.model;


import java.math.BigInteger;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class PasswordEncoder {
    public static byte[] getSHA(String input) throws NoSuchAlgorithmException
    {
        MessageDigest md = MessageDigest.getInstance("SHA-512");

        return md.digest(input.getBytes(StandardCharsets.UTF_8));
    }

    public static String toHexString(byte[] hash)
    {
        BigInteger number = new BigInteger(1, hash);

        StringBuilder hexString = new StringBuilder(number.toString(16));

        while (hexString.length() < 32)
        {
            hexString.insert(0, '0');
        }

        return hexString.toString();
    }

    public static String getEncodedPasswordString(String password) throws NoSuchAlgorithmException {
        return toHexString(getSHA(password));
    }

}