using System.Security.Cryptography;
using System.Text;

namespace ASTRAIN.Api.Services;

public static class UserKeyGenerator
{
    private const string Alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";

    public static string Generate(int length = 8)
    {
        var buffer = new byte[length];
        RandomNumberGenerator.Fill(buffer);
        var chars = new char[length];
        for (var i = 0; i < length; i++)
        {
            chars[i] = Alphabet[buffer[i] % Alphabet.Length];
        }

        return new string(chars);
    }
}