using System;
using C4IT.Security;
using C4IT.API.Contracts;


namespace C4IT_CustomerPanel.libs
{
    public class UserInfo
    {
        public static UserInfo UserInfoInstance = null;

        public string Id { get; set; }
        public string Email { get; set; }
        public string EncryptedApiToken { get; set; }
        public DateTime LoginDate { get; set; }
        public DateTime ExpirationDate { get; set; }

        public UserInfo()
        {
            UserInfoInstance = this;
        }

        public override string ToString()
        {
            // Nur die ersten X Zeichen des Tokens anzeigen
            const int tokenVisibleLength = 10;
            string maskedToken;

            if (string.IsNullOrEmpty(EncryptedApiToken))
            {
                maskedToken = "(null or empty)";
            }
            else
            {
                var displayLength = Math.Min(tokenVisibleLength, EncryptedApiToken.Length);
                maskedToken = EncryptedApiToken.Substring(0, displayLength)
                              + new string('*', Math.Max(0, EncryptedApiToken.Length - displayLength));
            }

            return $"UserInfo => Id: {Id}, " +
                   $"Email: {Email}, " +
                   $"Token: {maskedToken}, " +
                   $"LoginDate: {LoginDate:u}, " +
                   $"ExpirationDate: {ExpirationDate:u}";
        }
    }
}