using System;

using BaiRong.Core;

namespace SiteServer.BackgroundPages.Core

{

public class VcManager

{

protected const string AdminLoginCookieName = "BAIRONG.VC.ADMINLOGIN";

public const string AttributeName = "validateCode";

private string _cookieName;

public static VcManager GetInstance()

{

var vc = new VcManager {_cookieName = AdminLoginCookieName};

return vc;

}

protected VcManager() { }

public string GetCookieName()

{

return _cookieName;

}

public static string CreateValidateCode()

{

var validateCode = "";

char[] s = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z' };

var r = new Random();

for (var i = 0; i < 4; i++)

{

validateCode += s[r.Next(0, s.Length)].ToString();

}

return validateCode;

}

public bool IsCodeValid(string validateCode)

{

var code = CookieUtils.GetCookie(_cookieName);

var isValid = StringUtils.EqualsIgnoreCase(code, validateCode);

if (isValid)

{

CacheUtils.Remove(_cookieName);

}

return isValid;

}

}

}