# frozen_string_literal: true

class AuthorizeRequest < Imperator::Command
  include ActiveModel::Validations

  attr_reader :headers

  def initialize(headers)
    @headers = headers
  end

  def action
    user
  end

  def valid?
    headers["Authorization"].present?
  end

  private

    def user
      @user ||= User.find(decoded_auth_token[:user_id]) if decoded_auth_token
      @user || errors.add(:token, 'Invalid token') && nil
    end

    def decoded_auth_token
      @decoded_auth_token ||= JsonWebToken.decode(http_auth_header)
    end

    def http_auth_header
      return headers["Authorization"].split(' ').last if valid?

      errors.add(:token, "Missing token")
      nil
    end
end