using AUTS.Domain.Application;
using AUTS.Domain.Entities;
using AUTS.Services.Extensions;
using AUTS.Services.Tool;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Principal;
using System.Text;
using System.Threading.Tasks;
using System.Web;
using System.Web.Security;

namespace AUTS.Services
{
    public static class UserLoginHelper
    {
        //登录缓存键前缀
        /// <summary>   
        /// 登录缓存键前缀
        /// </summary>
        //static string CacheUserName { get { return typeof(TBL_UTS_Manage_UserList).Name + "_"; } }
        static string CookieName_User = (ConfigHelper.GetConfigString("DBName") + "_User").ToMD5();
        static string CookieName_Token = (ConfigHelper.GetConfigString("DBName") + "_Token").ToMD5();

        public static TBL_UTS_Manage_User GetUserLoginBy(string keyword, string password)
        {

            //string pwd = password.ToMD5().ToMD5();
            string pwd = password.ToMD5().ToMD5();
            //TBL_UTS_Manage_User matchedSList = SqlSugarBase.Db.Queryable<TBL_UTS_Manage_User>().First(x=>x.UserName== keyword && x.Password == pwd);
            //if (matchedSList != null)
            //{
            //    HttpContext.Current.Session[CookieName_User] = matchedSList;
            //    CookieExtensions.WriteCookie(CookieName_User, keyword, 60);
            //    CookieExtensions.WriteCookie(CookieName_Token, keyword.ToMD5() + "" + pwd, 60);
            //    return matchedSList;
            //}
            using (var db = new Uts_ManageEntities())
            {
                //var account = db.TBL_UTS_Manage_User.SingleOrDefault(a => (a.UserName == keyword.Trim()) && a.Password == password);
                var account = db.TBL_UTS_Manage_User.SingleOrDefault(a => (a.UserName == keyword.Trim()) && a.Password == pwd);

                if (account != null)
                {
                    HttpContext.Current.Session[CookieName_User] = account;
                    CookieExtensions.WriteCookie(CookieName_User, keyword, 60);
                    CookieExtensions.WriteCookie(CookieName_Token, keyword.ToMD5() + "" + pwd, 60);
                    return account;
                }
            }
            return null;
        }


        //获取当前会员登录对象
        /// <summary>
        /// 获取当前会员登录对象
        /// <para>当没登陆或者登录信息不符时，这里返回 null </para>
        /// </summary>
        /// <returns></returns>
        public static TBL_UTS_Manage_User CurrentUser()
        {
            //校验用户是否已经登录
            var user = HttpContext.Current.Session[CookieName_User] as TBL_UTS_Manage_User;
            if (user != null) return user;
            else
            {
                if (HttpContext.Current.Request.Cookies[CookieName_User] != null && HttpContext.Current.Request.Cookies[CookieName_Token] != null)
                {
                    string keyword = HttpContext.Current.Request.Cookies[CookieName_User].Value;
                    string token = HttpContext.Current.Request.Cookies[CookieName_Token].Value;
                    string pwd = token.Substring(32);
                    var db = new Uts_ManageEntities();
                    var account = db.TBL_UTS_Manage_User.SingleOrDefault(a => a.UserName == keyword.Trim() && a.Password == pwd);
                    if (account != null)
                    {
                        return account;
                    }
                }
            }
            return null;
        }

        /// <summary>
        /// 控制器名
        /// </summary>
        /// <returns></returns>
        public static string Controller()
        {
            //校验用户是否已经登录
            var controllerName = CookieExtensions.GetCookie("controllerName");
            if (controllerName != null) return controllerName;

            return null;
        }

        /// <summary>
        /// 管理名称
        /// </summary>
        /// <returns></returns>
        public static string ManageName()
        {
            //校验用户是否已经登录
            var ManageName = CookieExtensions.GetCookie("ManageName");
            if (ManageName != null) return ManageName;
 
            return null;
        }
        /// <summary>
        /// 方法名
        /// </summary>
        /// <returns></returns>
        public static string ActionName()
        {
            //校验用户是否已经登录
            var actionName = CookieExtensions.GetCookie("actionName");
            if (actionName != null) return actionName;

            return null;
        }

        /// <summary>
        /// 只读方法名
        /// </summary>
        /// <returns></returns>
        public static string ReadOnlyActionName()
        {
            //校验用户是否已经登录
            var actionName = CookieExtensions.GetCookie("actionReadOnly");
            if (actionName != null) return actionName;

            return null;
        }

        //获取当前会员登录对象  异步
        /// <summary>
        /// 获取当前会员登录对象
        /// <para>当没登陆或者登录信息不符时，这里返回 null </para>
        /// </summary>
        /// <returns></returns>
        public static TBL_UTS_Manage_User CurrentUserAsync(System.Web.HttpContext context)
        {
            //校验用户是否已经登录
            var user = context.Session[CookieName_User] as TBL_UTS_Manage_User;
            if (user != null) return user;
            else
            {
                if (context.Request.Cookies[CookieName_User] != null && context.Request.Cookies[CookieName_Token] != null)
                {
                    string keyword = context.Request.Cookies[CookieName_User].Value;
                    string token = context.Request.Cookies[CookieName_Token].Value;
                    string pwd = token.Substring(32);
                    var db = new Uts_ManageEntities();
                    var account = db.TBL_UTS_Manage_User.SingleOrDefault(a => a.UserName == keyword.Trim() && a.Password == pwd);
                    if (account != null)
                    {
                        return account;
                    }

                }
            }
            return null;
        }

        //登出
        /// <summary>
        /// 登出
        /// </summary>
        public static void UserLogout()
        {
            if (CheckUserLogin())
            {
                //获取会员ID
                var id = HttpContext.Current.User.Identity.Name;
                FormsAuthentication.SignOut();
                RemoveUser(id);
            }
        }

        //移除指定会员ID的登录缓存
        /// <summary>
        /// 移除指定会员ID的登录缓存
        /// </summary>
        /// <param name="ID"></param>
        public static void RemoveUser(string ID)
        {
            //MvcCore.Extensions.CacheExtensions.ClearCache(cacheUserName + ID);

            HttpContext.Current.Session.Clear();
            HttpCookie hc1 = HttpContext.Current.Request.Cookies[CookieName_User];
            hc1.Expires = DateTime.Now.AddDays(-1);
            HttpContext.Current.Response.Cookies.Add(hc1);

            HttpCookie hc2 = HttpContext.Current.Request.Cookies[CookieName_Token];
            hc2.Expires = DateTime.Now.AddDays(-1);
            HttpContext.Current.Response.Cookies.Add(hc2);
        }

        //判断当前访问是否有会员登录
        /// <summary>
        /// 判断当前访问是否有会员登录
        /// </summary>
        /// <returns></returns>
        public static bool CheckUserLogin()
        {

            if (HttpContext.Current.Request.Cookies[CookieName_User] != null && HttpContext.Current.Request.Cookies[CookieName_Token] != null)
            {
                string keyword = HttpContext.Current.Request.Cookies[CookieName_User].Value;
                string token = HttpContext.Current.Request.Cookies[CookieName_Token].Value;
                string pwd = token.Substring(32);
                var db = new Uts_ManageEntities();
                try
                {
                    var account = db.TBL_UTS_Manage_User.SingleOrDefault(a => a.UserName == keyword.Trim() && a.Password == pwd);
                    if (account != null) return true;
                }
                catch (Exception ex)
                {

                    throw;
                }
              
            }
            return false;
        }

        ////当前在线会员数量
        ///// <summary>
        ///// 当前在线会员数量
        ///// </summary>
        //public static int UserCount
        //{
        //    get
        //    {
        //        return CacheExtensions.GetAllCache().Where(s => s.StartsWith(CacheUserName)).Count();

        //    }

        //}
    }
}