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// ********************************************************************
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//
//
// 
// ---------------------------------------------------------------
// GEANT 4 class header file
//
// G4MTcoutDestination.hh
//
// ---------------------------------------------------------------
#ifndef G4MTcoutDestination_H
#define G4MTcoutDestination_H

#include <iostream>
#include <sstream>
#include <fstream>

#include "globals.hh"
#include "G4MulticoutDestination.hh"
#include "G4StateManager.hh"

class G4LockcoutDestination;

class G4MTcoutDestination : public G4MulticoutDestination
{
  public:

    explicit G4MTcoutDestination(const G4int& threadId); 
    virtual ~G4MTcoutDestination(); 

    virtual void Reset(); 

    void SetDefaultOutput( G4bool addMasterDestination = true ,
                           G4bool formatAlsoMaster = true ); 

    void SetCoutFileName(const G4String& fileN = "G4cout.txt",
                               G4bool ifAppend = true); 
    void AddCoutFileName(const G4String& fileN = "G4cout.txt",
                               G4bool ifAppend = true);
    void SetCerrFileName(const G4String& fileN = "G4cerr.txt",
                               G4bool ifAppend = true); 
    void AddCerrFileName(const G4String& fileN = "G4cerr.txt",
                               G4bool ifAppend = true);

    void EnableBuffering(G4bool flag=true); 

    inline void SetPrefixString(const G4String& wd = "G4WT") { prefix = wd; } 

    void SetIgnoreCout(G4int tid = 0);
    inline void SetIgnoreInit(G4bool val=true) { ignoreInit = val; }

    inline G4String GetPrefixString() const { return prefix; } 
    inline G4String GetFullPrefixString() const
    { 
        std::stringstream os;
        os<<prefix<<id;
        return os.str();
    }

  protected:

    void AddMasterOutput( G4bool formatAlsoMaster); 
    void HandleFileCout( G4String fileN, G4bool appendFlag,
                         G4bool suppressDefault);
    void HandleFileCerr( G4String fileN, G4bool appendFlag,
                         G4bool suppressDefault);
  private:

    void DumpBuffer(); 
  
  private:

    // Reference to the default destination
    G4coutDestination* ref_defaultOut; 

    // Reference to the master destination
    G4coutDestination* ref_masterOut; 
    G4bool masterDestinationFlag;  
    G4bool masterDestinationFmtFlag; 

    const G4int id; 
    G4bool useBuffer; 
    G4bool ignoreCout; 
    G4bool ignoreInit; 

    G4String prefix;
    G4StateManager* stateMgr; 
};

#endif