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#pragma once

#include <OpenFlipper/Core/Core.hh>

/** \brief This class provides OpenFlippers Python interpreter
 *
 */
class PythonInterpreter : public QObject {
  Q_OBJECT

  signals:
     /// Log with OUT,WARN or ERR as type
     void log(Logtype _type , QString _message );

     /// Default logging as OUT
     void log(QString _message );

public:


     ~PythonInterpreter();

     /** \brief Creates or returns an instance of the interpreter
      *
      * There will only be one instance of the PythonInterpreter to ensure
      * that we only run one context.
      *
      * @return
      */
     static PythonInterpreter* getInstance();

     /** \brief Run a script. Output is passed to the standard logging facilities of OpenFlipper
      *
      * @param _script
      * @return
      */
     bool runScript(QString _script);

     /** \ brief run a script and return the output as a QString
      *
      * @param _script
      * @return
      */
     QString runScriptOutput(QString _script);


private:

     /** \brief private constructor because of singleton
      *
      */
     PythonInterpreter();

     /** \brief Initialize OpenFlipper Python Interpreter
      *
      */
     void initPython();

     /** \brief Resets the interpreter and all states
      *
      */
     void resetInterpreter();


     bool modulesInitialized();

     /** \brief Callback to redirect cout log to OpenFlipper logger
      *
      * @param w Log string
      */
     void pyOutput(const char* w);

     /** \brief Callback to redirect cerr log to OpenFlipper logger
      *
      * @param w Log string
      */
     void pyError(const char* w);


private:
     bool externalLogging_;
     QString LogErr;
     QString LogOut;
};

/** \brief give Core pointer to PythonInterpreter for exporting of Core functionality to python
 *
 * This function is called by OpenFlipper.cc to pass a pointer of the OpenFlipper Core to
 * the python side. This allows the PythonInterpreter class to export functions from the core
 * and call them directly.
 *
 * @param _core Pointer to OpenFlipper application core
 */
void setCorePointer( Core* _core );