using Isopoh.Cryptography.Argon2;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Threading.Tasks;

namespace Akari.Prototype.Server.Utils
{
    public static class Security
    {
        public const int HashLength = 32;
        public const int SaltLength = 12;

        public static string Argon2idHash(byte[] password)
        {
            var salt = new byte[8];

            RandomNumberGenerator.Fill(salt);

            var config = new Argon2Config()
            {
                HashLength = 32,
                Lanes = Environment.ProcessorCount / 2,
                Threads = Environment.ProcessorCount / 2,
                Password = password,
                Salt = salt,
                Type = Argon2Type.HybridAddressing,
                Version = Argon2Version.Nineteen
            };

            return Argon2.Hash(config);
        }
    }
}