/**
  @file /ai/Strategizer/strategytransciever.h
  @brief Header s deklaraci transcieveru pro Strategizer.
  
  Header s deklaraci transcieveru pro Strategizer.
  
  @author PZ
  @version 0.1
*/

#ifndef __PETR_ZITA_STRATEGY_TRANSCIEVER__
#define __PETR_ZITA_STRATEGY_TRANSCIEVER__

#include "ai/ai_makra.h"
#include "common/Msg.h"
#include "common/Log.h"
#include "common/Interface.h"
#include "world/world_messages.h"
#include "world/players/player.h"

#define CHECK_AI_THREAD_STATE {this->lockAIPlanningState();if(this->ai_planning_thread_state!=0){this->unlockAIPlanningState();return;}this->unlockAIPlanningState();}

namespace ai_ns {
namespace strategizer_ns {

using namespace World;

/** Forward deklarace message handleru. */
int runAIPlanning(void* param);
RVAL STRATEGY_MSG_HANDLER(MESSAGE_ID mid,SENDER s,PARAM p);

/**
Trida CStrategyTransciever obsahuje oddelene cast pro komunikaci s vnejsim svetem.
Je ciste virtualni, tudiz nemuze byt instanciovana.
*/
class CStrategyTransciever
{
public:
  CStrategyTransciever();
  ~CStrategyTransciever();
  virtual void AITurnForPlayer(int playerID,int last_history_event_id,PLAYER_TYPE ai_level)=0;

protected:
  // promenne a funkce dulezite pro praci s vlaknem, ve kterem probiha AI planovani
  SDL_sem* AIPlanningSemaphore;
  SDL_mutex* AIPlanningMutex;
  SDL_Thread* AIPlanningThread;
  int passed_player_id;
  int passed_max_action_id;
  PLAYER_TYPE passed_ai_level;
  int ai_planning_thread_state; // =0 - OK, jinak ukonci vlakno

  void lockAIPlanningState();
  void unlockAIPlanningState();

  // definice transcieveru pro komunikaci
  TMessageTransceiver strategy_transceiver;
  void initTransciever();
private:
  virtual void initStrategy(TPacket_AI_LetsGo* initPackage)=0;
  friend RVAL STRATEGY_MSG_HANDLER(MESSAGE_ID mid,SENDER s,PARAM p);
  friend int runAIPlanning(void* param);
};

extern CStrategyTransciever* StrEngine;

} // end of namespace "strategizer_ns"
} // end of namespace "ai_ns"

#endif