using System.Security.Cryptography;

namespace SimPas2_Windows.Managers
{
  public class GeneratorManager
  {
    public GeneratorManager()
    {
    }

    public string GeneratePassword(bool isSecure, int length)
    {
      const string charset_risky = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
      const string charset_secure = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!\"#$%&'()=~-^\\|_@`[{]};:+*<>,./?";
      string charset = isSecure ? charset_secure : charset_risky;

      byte[] random = RandomNumberGenerator.GetBytes(length);
      char[] res = new char[length];

      for (int i = 0; i < length; i++)
      {
        res[i] = charset[random[i] % charset.Length];
      }

      return new string(res);
    }
  }
}