using Microsoft.AspNetCore.Cryptography.KeyDerivation;
using Microsoft.AspNetCore.Identity;
using System.Collections.Generic;
using System.Security.Cryptography;

namespace Blazor.Models
{
    public class Administrator : PasswordHasher<string>
    {
        public int Id { get; private set; }
        public string Username { get; private set; }
        public string HashedPassword { get; set; }

        private byte[] salt = RandomNumberGenerator.GetBytes(128 / 8); // for password hash

        Administrator(int id, string username, string password)
        {
            this.Id = id;
            this.Username = username;
            // got this hashed password
            this.HashedPassword = Convert.ToBase64String(KeyDerivation.Pbkdf2(
                password: password!,
                salt: salt,
                prf: KeyDerivationPrf.HMACSHA256,
                iterationCount: 100000,
                numBytesRequested: 256 / 8)
            );
        }
    }
}