using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web;
using System.Web.Http;
using VueWebApi.DLL.BLL;
using VueWebApi.Models;
using VueWebApi.Tools;

namespace VueWebApi.Controllers
{
    [RoutePrefix(prefix: "api/Login")]
    [ControllerGroup("系统设置", "在线接口")]
    public class LoginController : ApiController
    {
        //定义全局信息返回变量
        ToMessage mes = new ToMessage();
        RedisHelper redis = new RedisHelper();

        #region[用户登录]
        /// <summary>
        /// 用户登录
        /// </summary>
        /// <param name="username">用户编码</param>
        /// <param name="password">密码</param>
        /// <returns></returns>
        [Route(template: "LoginSave")]
        [HttpGet]
        public HttpResponseMessage LoginSave(string username, string password)
        {
            try
            {
                DataTable dt = LoginBLL.LoginSearch(username, password);
                if (dt.Rows.Count > 0)
                {
                    List<User> mss = new List<User>();
                    User ms = new User();
                    ms.guid = username + password + Guid.NewGuid().ToString();
                    ms.userid = Convert.ToInt32(dt.Rows[0]["ID"].ToString());
                    ms.usercode = dt.Rows[0]["USERCODE"].ToString();
                    ms.username = dt.Rows[0]["USERNAME"].ToString();
                    ms.password = dt.Rows[0]["PASSWORD"].ToString();
                    ms.usertype = "PC";
                    mss.Add(ms);
                    HttpContext.Current.Session.Clear(); //从会话状态集合中删除所有的键值
                    //HttpContext.Current.Session["User"] = JsonConvert.SerializeObject(ms);
                    //User loginUser = JsonConvert.DeserializeObject<User>(HttpContext.Current.Session["User"].ToString());
                    User loginUser = JsonConvert.DeserializeObject<User>(JsonConvert.SerializeObject(ms));
                    //如果redis登录用户中不存在当前用户
                    if (redis.Get<User>("LoginUserID" + ms.usertype + ms.userid, 0) == null)
                    {
                        //redis.Remove("LoginUserID" + ms.userid, 0);
                        //写入redis(注意：redis类里面的失效时间必须在key创建完成之后才生效)
                        redis.Set<User>("LoginUserID" + ms.usertype + ms.userid, ms, redis.secondsTimeOut, 0);
                        //登录信息写入session
                        HttpContext.Current.Session["User"] = JsonConvert.SerializeObject(ms);
                        //写入登录操作记录
                        mes = LoginBLL.LoginBas(ms.usercode, ms.usertype);
                        mes.code = "200";
                        mes.Message = "登录成功!";
                        mes.data = ms;
                    }
                    else //如果存在
                    {
                        //获取redis中当前用户信息
                        User r_loginUser = redis.Get<User>("LoginUserID" + ms.usertype + ms.userid, 0);
                        //如果session中的用户usercode和redis中的用户usercode匹配
                        if (r_loginUser.usercode.Equals(loginUser.usercode))
                        {
                            mes.data = ms;
                            mes.code = "302";
                            mes.Message = "当前账号已登录,是否强制下线!";
                        }
                        else
                        {
                            //重置过期时间(注意：redis类里面的失效时间必须在key创建完成之后才生效)
                            redis.Set<User>("LoginUserID" + ms.usertype + loginUser.userid, loginUser, redis.secondsTimeOut, 0);
                            //登录信息写入session
                            HttpContext.Current.Session["User"] = JsonConvert.SerializeObject(ms);
                            //写入登录操作记录
                            mes = LoginBLL.LoginBas(ms.usercode, ms.usertype);
                            mes.code = "200";
                            mes.Message = "登录成功!";
                        }
                    }
                    // 链表存储
                    //RedisHelpers.AddEntityToList<List<User>>("003", mss);
                    //RedisHelpers.AddEntityToList<User>("004", ms);

                    //Console.WriteLine(RedisHelpers.Get<User>("001", 1));
                    //Console.WriteLine(RedisHelpers.Get<List<User>>("002", 3));

                }
                else
                {
                    mes.code = "300";
                    mes.Message = "账号或密码不正确!";
                }
            }
            catch (Exception e)
            {
                mes.code = "300";
                mes.Message = e.Message;
            }

            return mes.ResponseMess(mes);
        }
        #endregion

        #region[强制下线接口]
        /// <summary>
        /// 强制下线接口
        /// </summary>
        /// <param name="userid">用户id</param>
        /// <param name="usercode">用户编码</param>
        /// <param name="username">用户名</param>
        /// <param name="usertype">操作端PC/APP</param>
        /// <returns></returns>
        [Route(template: "ForcedOffline")]
        [HttpPost]
        public HttpResponseMessage ForcedOffline(int userid, string usercode, string username, string usertype)
        {
            try
            {
                redis.Remove("LoginUserID" + usertype + userid, 0); //删除redis
                mes.code = "200";
                mes.count = 0;
                mes.Message = "强制下线成功!";
                mes.data = null;
            }
            catch (Exception e)
            {
                mes.code = "300";
                mes.count = 0;
                mes.Message = e.Message;
                mes.data = null;
            }
            return mes.ResponseMess(mes);
        }
        #endregion

        #region[查询登录菜单]
        /// <summary>
        /// 查询功能菜单
        /// </summary>
        /// <returns></returns>
        [Route(template: "LoginMenu")]
        [HttpGet]
        public HttpResponseMessage LoginMenu()
        {
            try
            {
                var usercode = HttpContext.Current.Request.Cookies["navTabId"].Value.ToString();
                mes = LoginBLL.LoginMenu(usercode);
            }
            catch (Exception e)
            {
                mes.code = "300";
                mes.Message = e.Message;
            }
            return TJson.toJson(mes);
        }
        #endregion

        #region[修改密码]
        /// <summary>
        /// 修改密码
        /// </summary>
        /// <param name="usercode">用户编码</param>
        /// <param name="username">用户名称</param>
        /// <param name="password">密码</param>
        /// <param name="newpassword">新密码</param>
        /// <returns></returns>
        [ChannelActionFilter, Route(template: "UpdateUserPassword")]
        [HttpPost]
        public HttpResponseMessage UpdateUserPassword(string usercode, string username, string password, string newpassword)
        {
            mes = LoginBLL.UpdateUserPassword(usercode, username, password, newpassword);
            return mes.ResponseMess(mes);
        }
        #endregion

        #region[登出]
        /// <summary>
        /// 登出
        /// </summary>
        /// <param name="userid">用户id</param>
        /// <param name="usercode">用户编码</param>
        /// <param name="username">用户名</param>
        /// <param name="usertype">操作端PC/APP</param>
        /// <returns></returns>
        [Route(template: "LoginOut")]
        [HttpPost]
        [ChannelActionFilter]
        public HttpResponseMessage LoginOut(int userid, string usercode, string username, string usertype)
        {
            mes = LoginBLL.LoginOut(userid, usercode, username, usertype);
            return mes.ResponseMess(mes);
        }
        #endregion
    }
}