/// \file buffer_user.h
/// Contains definitions for buffer users.

#pragma once
#include <string>
#include <mist/dtsc.h>
#include <mist/socket.h>
#include "tinythread.h"

namespace Buffer{
  /// Converts a stats line to up, down, host, connector and conntime values.
  class Stats{
  public:
    unsigned int up;
    unsigned int down;
    std::string host;
    std::string connector;
    unsigned int conntime;
    Stats();
    Stats(std::string s);
  };

  /// Holds connected users.
  /// Keeps track of what buffer users are using and the connection status.
  class user{
    public:
      tthread::thread * Thread; ///< Holds the thread dealing with this user.
      DTSC::Ring * myRing; ///< Ring of the buffer for this user.
      int MyNum; ///< User ID of this user.
      std::string MyStr; ///< User ID of this user as a string.
      std::string inbuffer; ///< Used to buffer input data.
      int currsend; ///< Current amount of bytes sent.
      Stats lastStats; ///< Holds last known stats for this connection.
      Stats tmpStats; ///< Holds temporary stats for this connection.
      unsigned int curr_up; ///< Holds the current estimated transfer speed up.
      unsigned int curr_down; ///< Holds the current estimated transfer speed down.
      bool gotproperaudio; ///< Whether the user received proper audio yet.
      void * lastpointer; ///< Pointer to data part of current buffer.
      static int UserCount; ///< Global user counter.
      Socket::Connection S; ///< Connection to user
      /// Creates a new user from a newly connected socket.
      /// Also prints "User connected" text to stdout.
      user(Socket::Connection fd);
      /// Drops held DTSC::Ring class, if one is held.
      ~user();
      /// Disconnects the current user. Doesn't do anything if already disconnected.
      /// Prints "Disconnected user" to stdout if disconnect took place.
      void Disconnect(std::string reason);
      /// Tries to send the current buffer, returns true if success, false otherwise.
      /// Has a side effect of dropping the connection if send will never complete.
      bool doSend(const char * ptr, int len);
      /// Try to send data to this user. Disconnects if any problems occur.
      void Send();
  };
}