using System.Text.RegularExpressions;

namespace Common
{
  public class DataValidate
  {
    private static Regex RegNumber = new Regex("^[0-9]+$");
    private static Regex RegNumberSign = new Regex("^[+-]?[0-9]+$");
    private static Regex RegDecimal = new Regex("^[0-9]+[.]?[0-9]+$");
    private static Regex RegDecimalSign = new Regex("^[+-]?[0-9]+[.]?[0-9]+$");
    private static Regex RegEmail = new Regex("^[\\w-]+@[\\w-]+\\.(com|net|org|edu|mil|tv|biz|info)$");
    private static Regex RegCHZN = new Regex("[一-龥]");

    protected DataValidate()
    {
    }

    public static bool IsAreaCode(string input)
    {
      return DataValidate.IsNumber(input) && input.Length >= 3 && input.Length <= 5;
    }

    public static bool IsDecimal(string input)
    {
      if (string.IsNullOrEmpty(input))
        return false;
      return Regex.IsMatch(input, "^[0-9]+[.]?[0-9]+$");
    }

    public static bool IsDecimalSign(string input)
    {
      if (string.IsNullOrEmpty(input))
        return false;
      return Regex.IsMatch(input, "^[+-]?[0-9]+[.]?[0-9]+$");
    }

    public static bool IsEmail(string strEmail)
    {
      if (string.IsNullOrEmpty(strEmail))
        return false;
      return Regex.IsMatch(strEmail, "^\\w+([-+.']\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*$");
    }

    public static bool IsIP(string strIp)
    {
      return !string.IsNullOrEmpty(strIp) && Regex.IsMatch(strIp.Trim(), "^(\\d{1,2}|1\\d\\d|2[0-4]\\d|25[0-5])\\.(\\d{1,2}|1\\d\\d|2[0-4]\\d|25[0-5])\\.(\\d{1,2}|1\\d\\d|2[0-4]\\d|25[0-5])\\.(\\d{1,2}|1\\d\\d|2[0-4]\\d|25[0-5])$");
    }

    public static bool IsNumber(string strNumber)
    {
      return Regex.IsMatch(strNumber, "^[0-9]+$");
    }

    public static bool IsNumberSign(string input)
    {
      if (string.IsNullOrEmpty(input))
        return false;
      return Regex.IsMatch(input, "^[+-]?[0-9]+$");
    }

    public static bool IsPostCode(string postCode)
    {
      return Regex.IsMatch(postCode, "^\\d{6}$");
    }

    public static bool IsMobile(string mobile)
    {
      return Regex.IsMatch(mobile, "^1[3|4|5|8]\\d{9}$") || Regex.IsMatch(mobile, "^0(([1,2]\\d)|([3-9]\\d{2}))\\d{8}$");
    }

    public static bool IsExistMobile(string mobile, string mobiles)
    {
      return new Regex(mobile).Match(mobiles).Success;
    }

    public static bool IsIdentityNumber(string num)
    {
      return Regex.IsMatch(num, "^\\d{17}[\\d|X]|\\d{15}$");
    }

    public static bool IsTime(string timeval)
    {
      return Regex.IsMatch(timeval, "20\\d{2}\\-[0-1]{1,2}\\-[0-3]?[0-9]?(\\s*((([0-1]?[0-9])|(2[0-3])):([0-5]?[0-9])(:[0-5]?[0-9])?))?");
    }

    public static bool IsURL(string url)
    {
      if (string.IsNullOrEmpty(url))
        return false;
      return Regex.IsMatch(url, "^http(s)?://([\\w-]+\\.)+[\\w-]+(/[\\w- ./?%&=]*)?$");
    }

    public static bool IsPhoneNumber(string phoneNumber)
    {
      return Regex.IsMatch(phoneNumber, "^(\\(\\d{3}\\)|\\d{3}-)?\\d{7,8}$");
    }

    public static bool IsValidId(string input)
    {
      if (string.IsNullOrEmpty(input))
        return false;
      input = input.Replace("|", "").Replace(",", "").Replace("-", "").Replace(" ", "").Trim();
      if (string.IsNullOrEmpty(input))
        return false;
      return DataValidate.IsNumber(input);
    }

    public static bool IsValidUserName(string userName, out string msg)
    {
      userName = userName.Trim();
      msg = "";
      if (string.IsNullOrEmpty(userName))
      {
        msg = "用户名不能为空";
        return false;
      }
      if (StringHelper.GetStringLength(userName) > 20)
      {
        msg = "用户名长度不能大于20";
        return false;
      }
      if (StringHelper.GetStringLength(userName) < 4)
      {
        msg = "用户名长度不能小于4";
        return false;
      }
      string str = "\\/\"[]:|<>+=;,?*@.";
      for (int index = 0; index < userName.Length; ++index)
      {
        if (str.IndexOf(userName[index]) >= 0)
        {
          msg = "用户名含有非法字符";
          return false;
        }
      }
      return true;
    }

    public static bool IsTooShortPassword(string password)
    {
      return StringHelper.GetStringLength(password.Trim()) < 6;
    }

    public static bool IsHasCHZN(string inputData)
    {
      return DataValidate.RegCHZN.Match(inputData).Success;
    }
  }
}