using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Data.SeaHavenIndustries
{
    public class ForgetPasswordCode
    {
        public int Id { get; set; }
        public string UserId { get; set; }
        public string Email { get; set; }

        /// <summary>
        /// Legacy plaintext column. It is always written empty; only
        /// <see cref="CodeHash"/> is compared.
        /// </summary>
        public string Code { get; set; } = string.Empty;

        /// <summary>Lowercase hex SHA-256 of "<see cref="CodeSalt"/>:code".</summary>
        [MaxLength(64)]
        public string CodeHash { get; set; } = string.Empty;

        [MaxLength(32)]
        public string CodeSalt { get; set; } = string.Empty;

        public DateTime ExpiresAtUtc { get; set; }

        /// <summary>Checks consumed against this code, including concurrent ones still in flight.</summary>
        public int FailedAttempts { get; set; }
    }
}