using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Text;

namespace HushianWebApp.Service
{
    public static class CaptchaService
    {
        public static string GetCaptchaWord(int length)
        {
            var random = new Random(DateTime.Now.Millisecond);

            //  const string chars = "ABCDEFGHJKLMNPQRSTUWYZabcdefghijkmnpqrstuwz23456789*#!$%=";
            const string chars = "ABCDEFGHJKLMNPQRSTUWYZabcdefghijkmnpqrstuwz23456789";
            string cw = new(Enumerable.Repeat(chars, length)
                                      .Select(s => s[random.Next(s.Length)])
                                      .ToArray());

            return cw;
        }
        public static string GenerateCaptchaBase64(string text, int width = 120, int height = 40)
        {
            return "";
        }
    }
}