using System.Collections;
using System.Collections.Generic;
using System.Text.RegularExpressions;
using UnityEngine;
using System.Security.Cryptography;
using System.Text;
using System;

namespace LoyalSoftSDK
{
    public class RegexInspection
    {
        public static string AccountInspection(string account)
        {
            if (string.IsNullOrEmpty(account))
            {
                return "手机号不能为空";
            }
            Regex rx = new Regex(@"^0{0,1}[0-9]{11}$");
            if (!rx.IsMatch(account)) //不匹配
            {
                return "手机号错误，请输入正确手机号！";
            }
            return "";
        }
        public static string PassWordInspection(string passWord)
        {
            if (string.IsNullOrEmpty(passWord))
            {
                return "密码不能为空";
            }
            Regex rx = new Regex(@"\S{6,20}");
            if (!rx.IsMatch(passWord)) //不匹配
            {
                return "密码格式错误，请输入6～20位非空字符！";
            }
            return null;
        }
        public static string OldPassWordInspection(string passWord)
        {
            if (string.IsNullOrEmpty(passWord))
            {
                return "旧密码不能为空";
            }
            Regex rx = new Regex(@"\S{6,20}");
            if (!rx.IsMatch(passWord)) //不匹配
            {
                return "旧密码格式错误，请输入6～20位非空字符！";
            }
            return null;
        }
        public static string CodeInspection(string code)
        {
            if (string.IsNullOrEmpty(code))
            {
                return "验证码不能为空";
            }
            Regex rx = new Regex(@"[0-9]{6}");
            if (!rx.IsMatch(code)) //不匹配
            {
                return "验证码错误！";
            }
            return null;
        }
        public static string NameInspection(string realName)
        {
            if (string.IsNullOrEmpty(realName))
            {
                return "姓名不能为空";
            }
            Regex rx = new Regex(@"^([\u4e00-\u9fa5]{1,20}|[a-zA-Z\.\s]{1,20})$");
            if (!rx.IsMatch(realName)) //不匹配
            {
                return "姓名错误！";
            }
            return null;
        }
        public static string IDCardInspection(string code)
        {
            if (string.IsNullOrEmpty(code))
            {
                return "身份证号不能为空";
            }
           // Regex rx = new Regex(@"(^\d{18}$)|(^\d{15}$)");
            //if (!rx.IsMatch(code)) //不匹配
            if(!IDCardValidation.CheckIDCard(code))
            {
                return "身份证号错误！";
            }
            return null;
        }

        public static string GetMD5Hash(string editStr)
        {
            MD5 md5Hash = MD5.Create();
            byte[] data = md5Hash.ComputeHash(Encoding.UTF8.GetBytes(editStr));

            //Create a new StringBuilder to collect the bytes and create a string.
            StringBuilder builder = new StringBuilder();

            //Loop through each byte of the hashed data and format each one as a hexadecimal strings.
            for (int cnt = 0; cnt < data.Length; cnt++)
            {
                builder.Append(data[cnt].ToString("x2"));
            }

            //Return the hexadecimal string
            return builder.ToString();
        }
    }
}

/// <summary>  
/// 验证身份证号码类  
/// </summary>  
public class IDCardValidation
{
    /// <summary>  
    /// 验证身份证合理性  
    /// </summary>  
    /// <param name="Id"></param>  
    /// <returns></returns>  
    static public bool CheckIDCard(string idNumber)
    {
        if (idNumber.Length == 18)
        {
            bool check = CheckIDCard18(idNumber);
            return check;
        }
        else if (idNumber.Length == 15)
        {
            bool check = CheckIDCard15(idNumber);
            return check;
        }
        else
        {
            return false;
        }
    }


    /// <summary>  
    /// 18位身份证号码验证  
    /// </summary>  
    static private bool CheckIDCard18(string idNumber)
    {
        long n = 0;
        if (long.TryParse(idNumber.Remove(17), out n) == false
            || n < Math.Pow(10, 16) || long.TryParse(idNumber.Replace('x', '0').Replace('X', '0'), out n) == false)
        {
            return false;//数字验证  
        }
        string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
        if (address.IndexOf(idNumber.Remove(2)) == -1)
        {
            return false;//省份验证  
        }
        string birth = idNumber.Substring(6, 8).Insert(6, "-").Insert(4, "-");
        DateTime time = new DateTime();
        if (DateTime.TryParse(birth, out time) == false)
        {
            return false;//生日验证  
        }
        string[] arrVarifyCode = ("1,0,x,9,8,7,6,5,4,3,2").Split(',');
        string[] Wi = ("7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2").Split(',');
        char[] Ai = idNumber.Remove(17).ToCharArray();
        int sum = 0;
        for (int i = 0; i < 17; i++)
        {
            sum += int.Parse(Wi[i]) * int.Parse(Ai[i].ToString());
        }
        int y = -1;
        Math.DivRem(sum, 11, out y);
        if (arrVarifyCode[y] != idNumber.Substring(17, 1).ToLower())
        {
            return false;//校验码验证  
        }
        return true;//符合GB11643-1999标准  
    }


    /// <summary>  
    /// 15位身份证号码验证  
    /// </summary>  
    static private bool CheckIDCard15(string idNumber)
    {
        long n = 0;
        if (long.TryParse(idNumber, out n) == false || n < Math.Pow(10, 14))
        {
            return false;//数字验证  
        }
        string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
        if (address.IndexOf(idNumber.Remove(2)) == -1)
        {
            return false;//省份验证  
        }
        string birth = idNumber.Substring(6, 6).Insert(4, "-").Insert(2, "-");
        DateTime time = new DateTime();
        if (DateTime.TryParse(birth, out time) == false)
        {
            return false;//生日验证  
        }
        return true;
    }
}