using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.Script.Serialization;

namespace FangYar.Common
{
    /// <summary>
    /// 用户帮助类：获取Cookie里的用户对象
    /// </summary>
    public class UserHelper
    {
        /// <summary>
        /// 获取保存在cookie里的用户对象
        /// </summary>
        public static FangYar.Model.LoginUserModel GetUser(HttpContext context)
        {
            try
            {
                //if (context.Request.IsAuthenticated)
                //{
                //    FormsIdentity id = (FormsIdentity)context.User.Identity;
                //    FormsAuthenticationTicket tickets = id.Ticket;

                //    //反序列化获取票证里序列化的用户对象
                //    FangYar.Model.LoginUserModel userFromCookie = new JavaScriptSerializer().Deserialize<FangYar.Model.LoginUserModel>(tickets.UserData);

                //    return userFromCookie;
                //}
                //else
                //    return null;

                var cook = context.Request.Cookies;

                var cookInfo = cook["kn_root_cookie"];
                if (cookInfo != null)
                {
                    var str = cookInfo.Value;
                    //判断是否存在登录缓存信息
                    if (!string.IsNullOrWhiteSpace(str))
                    {
                        var usersUid = str.Substring(str.IndexOf("\"usersUid\":\"") + 12);
                        usersUid = usersUid.Substring(0, usersUid.IndexOf("\","));

                        FangYar.Model.LoginUserModel userFromCookie = new JavaScriptSerializer().Deserialize<FangYar.Model.LoginUserModel>(str);
                        return userFromCookie;
                    }
                }

            }
            catch (Exception ex)
            {
                return null;
            }
            return null;
        }

    }
}