#ifndef NNTPCHAN_MESSAGE_HPP
#define NNTPCHAN_MESSAGE_HPP

#include <string>
#include <vector>
#include <map>
#include <functional>

namespace nntpchan
{
  typedef std::string MessageID;

  bool IsValidMessageID(const MessageID & msgid);

  typedef std::pair<std::string, std::string> MessageHeader;
  
  typedef std::map<std::string, std::string> MIMEPartHeader;

  typedef std::function<bool(const MessageHeader &)> MessageHeaderFilter;

  typedef std::function<bool(const MIMEPartHeader &)> MIMEPartFilter;

  /**
     read MIME message from i, 
     filter each header with h, 
     filter each part with p, 
     store result in o

     return true if we read the whole message, return false if there is remaining 
   */
  bool StoreMIMEMessage(std::istream & i, MessageHeaderFilter h, MIMEPartHeader p, std::ostream & o);
  
}


#endif