public async Task <IActionResult> ExternalLoginConfirmation(ExternalLoginConfirmationViewModel model, string returnUrl = null)
        {
            if (User.IsSignedIn())
            {
                return(View("ExternalSigninSuccess"));
            }

            if (ModelState.IsValid)
            {
                var info = await _signInManager.GetExternalLoginInfoAsync();

                if (info == null)
                {
                    return(View("Error"));
                }

                var user = new ApplicationUser
                {
                    UserName     = model.Username,
                    Battletag    = info.ExternalPrincipal.GetBattletag(),
                    Email        = model.Email,
                    ProfileImage = await _imageManager.GetDefaultImageAsync(Defaults.ProfileImage),
                    HeaderImage  = await _imageManager.GetDefaultImageAsync(Defaults.HeaderImage)
                };

                var result = await _userManager.CreateAsync(user);

                if (result.Succeeded)
                {
                    // Create a player for this user
                    var player = await _playerManager.CreatePlayerForUserAsync(user);

                    var innerResult = await _userManager.AddLoginAsync(user, info);

                    if (innerResult.Succeeded)
                    {
                        await _signInManager.SignInAsync(user, false);

                        return(RedirectToAction(nameof(ExternalSigninSuccess), new { ReturnUrl = returnUrl }));
                    }
                    AddErrors(innerResult);
                }
                AddErrors(result);
            }

            ViewData["ReturnUrl"] = returnUrl;
            return(View(model));
        }