public async Task<ActionResult> ExternalLoginConfirmation(ExternalLoginConfirmationViewModel model, string returnUrl)
        {
            if (User.Identity.IsAuthenticated)
            {
                return RedirectToAction("Index", "Manage");
            }

            if (ModelState.IsValid)
            {
                // Get the information about the user from the external login provider
                var info = await AuthenticationManager.GetExternalLoginInfoAsync();
                if (info == null)
                {
                    return View("ExternalLoginFailure");
                }
                var user = new ApplicationUser
                {
                    UserName = model.Username,
                    Email = model.Email,

                };
               
                var result = await UserManager.CreateAsync(user);
                if (result.Succeeded)
                {
                    result = await UserManager.AddLoginAsync(user.Id, info.Login);
                    if (model.SignupAS == "1")
                    {
                        var roleresult = UserManager.AddToRole(user.Id, Status.Student);
                        Student stu = new Student();
                        stu.StudentID = new Guid(user.Id);
                        stu.DateCreated = DateTime.Today;
                        Random rnd = new Random();
                        int filename = rnd.Next(1, 4);
                        stu.ProfileImage = "/Profiles/default/" + filename + ".png";
                        stu.Username = user.UserName;
                        _dbContext.Students.Add(stu);

                        Notifications notify = new Notifications();
                        notify.ID = Guid.NewGuid();
                        notify.isRead = false;
                        notify.Message = "/Profiles/default/admin.png^Admin^You have successfully created your account. You can click ask question to post your first question.";
                        notify.UserName = stu.Username;
                        notify.postedTime = DateTime.Now;
                        _dbContext.notifications.Add(notify);

                        Notifications notify2 = new Notifications();
                        notify2.ID = Guid.NewGuid();
                        notify2.isRead = false;
                        notify2.Message = "/Profiles/default/admin.png^Admin^We now have Arabic Language support as well.";
                        notify2.UserName = stu.Username;
                        notify2.postedTime = DateTime.Now;
                        _dbContext.notifications.Add(notify2);

                        _dbContext.SaveChanges();

                    }
                    else
                    {
                        var roleresult = UserManager.AddToRole(user.Id, Status.Tutor);
                        Tutor tutor = new Tutor();
                        tutor.DateOfBirth = DateTime.Today;
                        tutor.TutorID = new Guid(user.Id);
                        tutor.DateCreated = DateTime.Today;
                        tutor.IsCompletedProfile = false;
                        tutor.Username = user.UserName;
                        Random rnd = new Random();
                        int filename = rnd.Next(1, 4);
                        tutor.ProfileImage = "/Profiles/default/" + filename + ".png";
                        _dbContext.Tutors.Add(tutor);

                        Notifications notify = new Notifications();
                        notify.ID = Guid.NewGuid();
                        notify.isRead = false;
                        notify.Message = "/Profiles/default/admin.png^Admin^Please complete your profile so that you have full access.";
                        notify.UserName = tutor.Username;
                        notify.postedTime = DateTime.Now;
                        _dbContext.notifications.Add(notify);

                        _dbContext.SaveChanges();
                    }


                    if (result.Succeeded)
                    {
                        await SignInManager.SignInAsync(user, isPersistent: false, rememberBrowser: false);
                       
                        return RedirectToLocal(returnUrl);
                    }
                }
                AddErrors(result);
            }

            ViewBag.ReturnUrl = returnUrl;
            return View(model);
        }
        public async Task<ActionResult> ExternalLoginConfirmation(ExternalLoginConfirmationViewModel model, string returnUrl)
        {
            if (User.Identity.IsAuthenticated)
            {
                return RedirectToAction("Index", "Manage");
            }

            if (ModelState.IsValid)
            {
                // Get the information about the user from the external login provider
                var info = await AuthenticationManager.GetExternalLoginInfoAsync();
                if (info == null)
                {
                    return View("ExternalLoginFailure");
                }
                var user = new ApplicationUser
                {
                    UserName = model.Username,
                    Email = model.Email,

                };
               
                var result = await UserManager.CreateAsync(user);
                if (result.Succeeded)
                {
                    result = await UserManager.AddLoginAsync(user.Id, info.Login);
                    if (model.SignupAS == "1")
                    {
                        var roleresult = UserManager.AddToRole(user.Id, Status.Student);
                        Student stu = new Student();
                        stu.StudentID = new Guid(user.Id);
                        stu.DateCreated = DateTime.Today;
                        Random rnd = new Random();
                        int filename = rnd.Next(1, 4);
                        stu.ProfileImage = "/Profiles/default/" + filename + ".png";
                        stu.Username = user.UserName;
                        _dbContext.Students.Add(stu);
                        _dbContext.SaveChanges();

                    }
                    else
                    {
                        var roleresult = UserManager.AddToRole(user.Id, Status.Tutor);
                        Tutor tutor = new Tutor();
                        tutor.DateOfBirth = DateTime.Today;
                        tutor.TutorID = new Guid(user.Id);
                        tutor.DateCreated = DateTime.Today;
                        tutor.IsCompletedProfile = false;
                        tutor.Username = user.UserName;
                        Random rnd = new Random();
                        int filename = rnd.Next(1, 4);
                        tutor.ProfileImage = "/Profiles/default/" + filename + ".png";
                        _dbContext.Tutors.Add(tutor);
                        _dbContext.SaveChanges();
                    }


                    if (result.Succeeded)
                    {
                        await SignInManager.SignInAsync(user, isPersistent: false, rememberBrowser: false);
                        return RedirectToLocal(returnUrl);
                    }
                }
                AddErrors(result);
            }

            ViewBag.ReturnUrl = returnUrl;
            return View(model);
        }