class User < ActiveRecord::Base
  devise :database_authenticatable,
         :registerable,
         :recoverable,
         :rememberable,
         :trackable,
         :validatable,
         :omniauthable, omniauth_providers: [:vkontakte]


  def self.from_omniauth(auth)
         binding.pry
         where(provider: auth.provider, uid: auth.uid).first_or_create do |user|
                user.email = auth.info.email
                user.password = Devise.friendly_token[0,20]
                user.name = auth.info.name   # assuming the user model has a name
         end
  end

  def self.new_with_session(params, session)
    super.tap do |user|
      if data = session["devise.vkontakte_data"] && session["devise.vkontakte_data"]["extra"]["raw_info"]
        user.email = data["email"] if user.email.blank?
      end
    end
  end
  end

class Users::OmniauthCallbacksController < Devise::OmniauthCallbacksController
    require 'pry'

    def vkontakte
    #binding.pry
    @user = User.from_omniauth(request.env["omniauth.auth"])
    token = request.env["omniauth.auth"]["credentials"]["token"]
    @user = token
    @vk = VkontakteApi::Client.new

    current_user.token = @vk.token
    current_user.vk_id = @vk.user_id
    current_user.save

    if @user.persisted?
      sign_in_and_redirect @user, :event => :authentication #this will throw if @user is not activated
      set_flash_message(:notice, :success, :kind => "vkontakte") if is_navigational_format?
    else
      session["devise.vkontakte_data"] = request.env["omniauth.auth"]
      redirect_to new_user_registration_url

        if request.env["omniauth.auth"].info.email.blank?
          redirect_to "/users/auth/vkontakte?auth_type=rerequest&scope=email"
        end
      end
    end
  end