roseweixel/lacquer-lover

class SessionsController < ApplicationController
  skip_before_action :clear_intended_uri, only: [:create]
  
  def create
    if request.env['omniauth.auth'].present?
      existing_user = User.find_by(uid: request.env['omniauth.auth']['uid'])
      user = User.from_omniauth(request.env['omniauth.auth'])
      session[:user_id] = user.id
      Login.create(user_id: user.id)
      if !existing_user
        flash[:notice] = "Welcome to Lacquer Love&Lend! Start adding lacquers to your collection and finding friends to add to your network!"
      end
      if session[:intended_uri]
        redirect_uri = session[:intended_uri]
        session[:intended_uri] = nil
        redirect_to redirect_uri
      elsif request.env["HTTP_REFERER"]
        if request.env["HTTP_REFERER"].gsub(request.base_url, "") == root_path
          redirect_to user_path(user)
        else
          redirect_to request.env["HTTP_REFERER"].gsub(request.base_url, "")
        end
      elsif request.env["action_dispatch.request.unsigned_session_cookie"] && request.env["action_dispatch.request.unsigned_session_cookie"]["omniauth.origin"]
        if request.env["action_dispatch.request.unsigned_session_cookie"]["omniauth.origin"].gsub(request.base_url, "") == root_path
          redirect_to user_path(user)
        else
          redirect_to request.env["action_dispatch.request.unsigned_session_cookie"]["omniauth.origin"].gsub(request.base_url, "")
        end
      end
    end
    if !existing_user && user.persisted? && user.email
      UserMailer.welcome_email(user).deliver_now
    end
  end

  def destroy
    session[:user_id] = nil
    redirect_to root_path
  end

  private
    def user_params
      params.require(:user).permit(:email, :provider, :uid)
    end
end