namespace Ray.BiliBiliTool.Infrastructure.Helpers;

public class RandomHelper
{
    private int rep = 0;

    public string GenerateCode(int codeCount)
    {
        string str = string.Empty;
        long num2 = DateTime.Now.Ticks + this.rep;
        rep++;
        Random random = new Random((int)((ulong)num2 & 0xffffffL) | (int)(num2 >> this.rep));
        for (int i = 0; i < codeCount; i++)
        {
            char ch;
            int num = random.Next();
            if ((num % 2) == 0)
            {
                ch = (char)(0x30 + ((ushort)(num % 10)));
            }
            else
            {
                ch = (char)(0x41 + ((ushort)(num % 0x1a)));
            }

            str += ch.ToString();
        }

        return str;
    }
}
