/* Copyright (C) CJ Affiliate
  *
  * You may use, distribute and modify this code under  the
  * terms of the  GNU General Public License  version 2  or
  * later.
  *
  * You should have received a copy of the license with this
  * file. If not, you will find a copy in the "LICENSE" file
  * at https://github.com/cjdev/dual-control.
  */
 

 #ifndef _TOKEN_H
 #define _TOKEN_H

 #include <string>
 #include <memory>

 #include "user.h"

 #include "sys_fstream.h"

 class user_token_supplier_ifc

 {
 public:

     virtual ~user_token_supplier_ifc() {}
     virtual std::string token (user &user)

     {

         return "";

     }

 };

 class user_token_supplier

 {

 public:
     typedef std::shared_ptr<user_token_supplier_ifc> delegate;
 private:
     delegate delegate_;
 public:
     user_token_supplier (delegate delegate) :

         delegate_ (delegate) {}

     user_token_supplier() : user_token_supplier (
             delegate (new user_token_supplier_ifc)) {}
     std::string token (user &user)
     {
         return delegate_->token (user);
     }

     static user_token_supplier create (fstreams &fstreams);

 };
 

 #endif