using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web;
using Utils;
using VM;

namespace Web
{
    public class MvcHelper
    {
        /// <summary>
        /// 登录页常量
        /// </summary>
        public const string LoginUrl = "/SignIn";

        /// <summary>
        /// 系统名称
        /// </summary>
        public const string SiteName = "智能理财分析教学系统";

        /// <summary>
        /// 获取当前用户(为空时会创建新实体)
        /// </summary>
        public static UserInfoVM User
        {
            get
            {
                SessionUser su = SessionHelper.GetSession(SessionKey.UserInfo) as SessionUser;
                if (su == null)
                    return new UserInfoVM();

                int UserID = (SessionHelper.GetSession(SessionKey.UserInfo) as SessionUser).UserID;
                UserInfoVM model = null;
                //StructureCaches.UserCache.Remove(UserID, out model);
                var a = StructureCaches.UserCache;
                StructureCaches.UserCache.TryGetValue(UserID, out model);
                if (model != null)
                {
                    //if (model.RoleId == 3)
                    //{
                    //    if (model.UserClassInfo != null)
                    //    {

                    //        List<string> classidOne = new List<string>();
                    //        List<int> ClassIds = new List<int>();
                    //        foreach (var itemOne in model.UserClassInfo)
                    //        {
                    //            if (!string.IsNullOrEmpty(itemOne.ClassIds))
                    //            {


                    //                var a = itemOne.ClassIds.Split(',');

                    //                if (a.Length > 0)
                    //                {
                    //                    for (int i = 0; i < a.Length; i++)
                    //                    {
                    //                        ClassIds.Add(Convert.ToInt32(a[i]));
                    //                    }
                    //                }


                    //                ClassIds = ClassIds.Distinct().ToList();

                    //                item.UserClassInfo = new List<UserClass>();

                    //                foreach (var itemT in ClassIds)
                    //                {
                    //                    item.UserClassInfo.Add(getClassInfo.Where(x => x.ClassId == itemT).FirstOrDefault());
                    //                }
                    //                model.UserClassInfo = new List<UserClassVM>();

                    //                foreach (var itemOne in ClassIds)
                    //                {

                    //                }
                    //            }
                    //        }
                    //    }
                    //}
                    return model;
                }
                else
                {
                    return new UserInfoVM();
                }
            }
        }

        //public List<UserClassVM> GetClassList(int Id)
        //{
        //    StringBuilder strSql = new StringBuilder();
        //    strSql.Append("select EduTeachers.Id as UserId ,ClassId,3 as RoleId,ClassIds as ClassIds ");
        //    //strSql.Append(" FROM EduSchedules left join EduTeachers on EduTeachers.id = EduSchedules.TeacherId left join EduUsers on EduUsers.UserName = EduTeachers.TeacherNo");
        //    strSql.Append(" FROM EduTeachers ");
        //    strSql.Append(" where 1 = 1 and EduTeachers.IsDeleted = 0 ");


        //    LogHelper.Log.WriteDebug(strSql.ToString());

        //    List<UserClassVM> list = new List<UserClassVM>();
        //    using (var conn = DBHelper.CreateConnection())
        //    {
        //        conn.Open();
        //        list = conn.Query<UserClass>(strSql.ToString()).ToList();
        //    }
        //    return list;
        //}

        /// <summary>
        /// 用户是否在线
        /// </summary>
        public static bool IsUserOnline
        {
            get
            {
                if (SessionHelper.GetSession(SessionKey.UserInfo) != null)
                {
                    return true;
                }
                else
                {
                    return false;
                }
            }
        }

        /// <summary>
        /// 根据角色跳转首页
        /// </summary>
        public static string RedirectToDefault
        {
            get
            {
                string defaultpages = AppSettingsHelper.GetStringByKey("DefaultPage", "");
                if (!string.IsNullOrEmpty(defaultpages))
                {
                    var pages = defaultpages.Split(',');
                    if (pages != null && pages.Length == 3)
                    {
                        UserInfoVM user = User;
                        if (user.RoleId == (int)UserType.Admin)
                        {
                            return pages[0];
                        }
                        else if (user.RoleId == (int)UserType.Teacher)
                        {
                            return pages[1];
                        }
                        else if (user.RoleId == (int)UserType.Student)
                        {
                            return pages[2];
                        }
                    }
                }
                return LoginUrl;
            }
        }
    }
}