/* 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 _RANDOM_SOURCE_H
 #define _RANDOM_SOURCE_H
 
 #include <vector>
 #include <string>
 #include <memory>
 #include <iostream>
 #include "sys_unistd.h"
 #include "sys_pwd.h"
 #include "sys_fstream.h"
 
 class random_source_ifc
 {

 public:

     const static std::string file_path;
 

     virtual std::vector<uint8_t> get_random_bytes (int length) const
     {
         return {};

     }
 };
 
 class random_source
 {

 public:

     using delegate = std::shared_ptr<random_source_ifc>;

 private:

     delegate delegate_;

 public:

     random_source (delegate delegate)
         : delegate_ (delegate)
     {}

     std::vector<uint8_t> get_random_bytes (int length) const
     {
         return delegate_->get_random_bytes (length);

     }

     static random_source create (const fstreams &fstreams);

 };
 
 #endif