class RemoteStorageAuthorization < ApplicationRecord
  belongs_to :user

  serialize :permissions

  validates_presence_of :permissions
  validates_presence_of :client_id

  scope :valid, -> { where(expire_at: nil).or(where(expire_at: (DateTime.now)..)) }
  scope :expired, -> { where(expire_at: ..(DateTime.now)) }

  after_initialize do |a|
    a.permisisons = [] if a.permissions == nil
  end

  before_create  :generate_token

  def url
    if self.redirect_uri
      uri = URI.parse self.redirect_uri
      "#{uri.scheme}://#{client_id}"
    else
      "http://#{client_id}"
    end
  end

  private

  def generate_token(length=16)
    self.token = SecureRandom.hex(length) if self.token.blank?
  end
end