using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using Lskj.IPersonnelConnection;

namespace Lskj.IPersonnelConnection
{
    public static class PersonnelReplaceHelper
    {

        /// <summary>
        /// i人事 许可信息
        /// </summary>
        private static readonly string _iPersonnelAllowInformation = "{iPersonnelAllowInformation}";
        /// <summary>
        /// i人事 客户唯一身份标识
        /// </summary>
        private static readonly string _iPersonnelCustomerId = "{iPersonnelCustomerId}";
        /// <summary>
        /// i人事 私钥
        /// </summary>
        private static readonly string _iPersonnelPrivateKey = "{iPersonnelPrivateKey}";
        /// <summary>
        /// i人事 加密的签名信息
        /// </summary>
        private static readonly string _iPersonnelEncryptedMessage = "{iPersonnelEncryptedMessage}";


        /// <summary>
        /// <para>说明：替换i人事接口中的参数</para>
        /// <para>创建人：</para>
        /// <para>创建日期：2023-04-21 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para> 
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="defaultValue">url地址</param>
        /// <param name="iPersonnelAllowInformation">许可信息</param>
        /// <param name="iPersonnelCustomerId">客户标识</param>
        /// <param name="iPersonnelPrivateKey">私钥</param>
        /// <param name="UserLinkPhone">登录人电话</param>
        /// <returns>System.String.</returns>
        public static string UrlEncryption(string Url, string iPersonnelAllowInformation, string iPersonnelCustomerId, string iPersonnelPrivateKey, string UserLinkPhone)
        {
            if (Url.Contains("{iPersonnelAllowInformation}") || Url.Contains("{iPersonnelEncryptedMessage}"))
            {
                //替换许可
                Url = Url.Replace(_iPersonnelAllowInformation, iPersonnelAllowInformation);
                //替换加密的签名信息
                TimeSpan ts = DateTime.Now.ToUniversalTime() - new DateTime(1970, 1, 1);
                long time = (long)ts.TotalMilliseconds;//当前时间的时间戳
                string EncryptedMessage = string.Format("company_id={0}&mobile_no={1}&timestamp={2}", iPersonnelCustomerId, UserLinkPhone, time);
                string value = EncryptByPrivateKey.encryptByPrivateKey(EncryptedMessage, iPersonnelPrivateKey);
                Url = Url.Replace(_iPersonnelEncryptedMessage, value);
            }
            return Url;
        }
        /// <summary>
        /// CDSBLims加密
        /// </summary>
        /// <param name="Url"></param>
        /// <param name="CDSBLimsPrivateKey"></param>
        /// <returns></returns>
        public static string CDSBLimsUrlEncryption(string Url, string LoginNo, string CDSBLimsPrivateKey)
        {
            if (Url.Contains("{CDSBLimsLoginNo}"))
            {
                var aes = Aes.Create();
                aes.Key = Encoding.UTF8.GetBytes(CDSBLimsPrivateKey);
                aes.GenerateIV();
                var encryptor = aes.CreateEncryptor(aes.Key, aes.IV);
                var ms = new MemoryStream();
                ms.Write(aes.IV, 0, aes.IV.Length);
                using (var cs = new CryptoStream(ms, encryptor, CryptoStreamMode.Write))
                using (var sw = new StreamWriter(cs, Encoding.UTF8))
                {
                    sw.Write(LoginNo);
                }
                //替换许可
                Url = Url.Replace("{CDSBLimsLoginNo}", Convert.ToBase64String(ms.ToArray()));
            }
            return Url;
        }
    }
}