# BigBlueButton open source conferencing system - http://www.bigbluebutton.org/.
#
# Copyright (c) 2016 BigBlueButton Inc. and by respective authors (see below).
#
# This program is free software; you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free Software
# Foundation; either version 3.0 of the License, or (at your option) any later
# version.
#
# BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.

class User < ApplicationRecord

  before_create :set_encrypted_id

  def self.from_omniauth(auth_hash)
    user = find_or_initialize_by(uid: auth_hash['uid'], provider: auth_hash['provider'])
    user.username = self.send("#{auth_hash['provider']}_username", auth_hash) rescue nil
    user.email = self.send("#{auth_hash['provider']}_email", auth_hash) rescue nil
    user.name = auth_hash['info']['name']
    user.save!
    user
  end

  def self.twitter_username(auth_hash)
    auth_hash['info']['nickname']
  end

  def self.twitter_email(auth_hash)
    auth_hash['info']['email']
  end

  def self.google_username(auth_hash)
    auth_hash['info']['email'].split('@').first
  end

  def self.google_email(auth_hash)
    auth_hash['info']['email']
  end

  def room_url
    "#{Rails.configuration.relative_url_root}/rooms/#{encrypted_id}"
  end

  def set_encrypted_id
    self.encrypted_id = "#{username[0..1]}-#{Digest::SHA1.hexdigest(uid+provider)[0..7]}"
  end
end