using System;
using System.Collections.Generic;
using System.Text;

namespace CommonUtil.DMEncrypt
{
    /// <summary>
    /// 
    /// </summary>
    public static class Sensitive
    {
        /// <summary>
        /// 姓名脱敏
        /// </summary>
        /// <param name="name"></param>
        /// <returns></returns>
        public static string NameSensitive(string name)
        {
            if (name.IsNullOrEmpty())
            {
                return null;
            }
            string getName = name.Substring(0, 1);
            for (int i = 0; i < name.Length - 1; i++)
            {
                getName += "*";
            }
            return getName;
        }

        /// <summary>
        /// 手机号脱敏
        /// </summary>
        /// <param name="mobile"></param>
        /// <returns></returns>
        public static string MobileSensitive(string mobile)
        {
            if (mobile.IsNullOrEmpty())
            {
                return null;
            }
            string contentFirst = mobile.Substring(0, 3);
            string contentSecond = mobile.Substring(7, 4);
            string getMobile = contentFirst + "****" + contentSecond;
            return getMobile;
        }

        /// <summary>
        /// 邮箱脱敏
        /// </summary>
        /// <param name="email"></param>
        /// <returns></returns>
        public static string EmailSensitive(string email)
        {
            if (email.IsNullOrEmpty())
            {
                return null;
            }
            string getEmail = "";
            char[] vs = email.ToCharArray();
            List<string> lists = new List<string>();
            foreach (var value in vs)
            {
                lists.Add(value.ToString());
            }
            string[] strs = lists.ToArray();
            int firstIndex = email.IndexOf("@");
            int secondIndex = email.IndexOf(".");
            for (int i = 2; i < firstIndex; i++)
            {
                strs[i] = "*";
            }
            for (int j = firstIndex + 2; j < secondIndex; j++)
            {
                strs[j] = "*";
            }
            foreach (var value in strs)
            {
                getEmail += value;
            }
            return getEmail;
        }

        /// <summary>
        /// 地址脱敏
        /// </summary>
        /// <param name="province">省</param>
        /// <param name="city">市</param>
        /// <param name="area">区</param>
        /// <param name="address">地址</param>
        /// <returns></returns>
        public static string AddressSensitive(string province, string city, string area, string address)
        {
            string getAddress = province + city + area;
            if (!address.IsNullOrEmpty())
            {
                getAddress += "*****";
            }
            return getAddress;
        }
    }
}