class OauthsController < ApplicationController

  # Sends the user on a trip to the provider,
  # and after authorizing there back to the callback url.
  def oauth
    login_at(params[:provider])
  end

  def callback
    provider = params[:provider]
    if @user = login_from(provider)
      redirect_to root_path, :notice => "Logged in from #{provider.titleize}!"
    else
      begin
        @user = create_from(provider)
        if authentication = @user.authentications.find_by(provider: provider)
          authentication.update({
            access_token: @access_token.token,
            refresh_token: @access_token.refresh_token,
            expires_at: Time.at(@access_token.expires_at)
          })
        end

        reset_session
        auto_login(@user)
        redirect_to root_path, :notice => "Logged in from #{provider.titleize}!"
      rescue
        Rails.logger.error("Failed to login from #{provider}")
        redirect_to root_path, :alert => "Failed to login from #{provider.titleize}!"
      end
    end
  end

end