class ApplicationController < ActionController::Base
  include LoggerHelper
  include LoginHelper
  include ApplicationHelper
  before_action :user_setup
  def generate_code(size)
    %W(0 1 2 3 4 5 6 7 8 9 a b c d e f g h i j k l m o p q r s t u v w x y z).sample(size).join
  end
  def info(status = 0, message, data)
    case status
    when 403
      message = "您没有访问权限，请先获取相应权限~"
    when 404
      message = "您访问的页面不存在或已被删除"
    end
    render :json => { status: status, message: message,data: data}
  end

  def current_user
    User.current
  end

  def user_setup


    User.current = find_current_user
    p User.current
    UserOnline.login(session[:request_user_id]) if session[:request_user_id]
  end
  def find_current_user
    if session[:user_id]
      (User.active.find(session[:user_id]) rescue nil)
    elsif session_login_user = try_to_token_session
      session_login_user
    elsif autologin_user = try_to_autologin
      autologin_user # 只有当没有重要考试的时候才会走这里登陆
    else
      User.anonymous
    end
  end

  def try_to_token_session
    session_id = cookies[User::SESSION_ACTION]
    if session_id.present?
      user = User.try_to_session_id(session_id)
      start_user_session(user) if user
      user
    end
  end
  def try_to_autologin
    token = cookies[autologin_cookie_name] || request.headers["Authorization"]
    if token.present?
      # auto-login feature starts a new session
      user = User.try_to_autologin(token)
      # return false if user.present? && helpers.get_exercise_by_user(user).size > 0 # 如果有正在进行的登录限制考试则不走这块
      start_user_session(user) if user
      user
    end
  end
end