class SessionsController < ApplicationController
  def create
    auth =  request.env["omniauth.auth"]
    @identity = Identity.find_with_omniauth(auth)
    
    if @identity.nil?
      @identity = Identity.create_with_omniauth(auth)
    end

    if signed_in?
      if @identity.user == current_user
        redirect_to root_url, notice: "Already linked that account!"
      else # User is attempting to associate another accoutn with this one
        @identity.user = current_user
        @identity.save
        redirect_to root_url, notice: "Successfully linked that account"
      end
    else # User is not signed in
      unless @identity.user.present?
        @identity.user = User.create
        @identity.save
      end
      self.current_user = @identity.user
      redirect_to root_url, notice: "Signed in"
    end
  end

  def destroy
    current_user = nil
    redirect_to root_url, notice: "Signed out"
  end

end