/*
 * FunctionCore.h
 *
 *  Created on: 18 May 2016
 *      Author: wentzelc
 */

#ifndef REDACORE_FUNCTIONCORE_H_
#define REDACORE_FUNCTIONCORE_H_

// redA Libraries
#include "LogCore.h"
#include "BufferCore.h"

// Standard C/C++ Libraries
#include <string.h>
#include <sys/time.h>

//---------------------------------------------------------------------------

// Preview
typedef struct SLocalIO     TLocalIO;
typedef struct SLinkedIO    TLinkedIO;

class CFunctionCore;

//---------------------------------------------------------------------------

struct SLocalIO
{
    char            * Name;

    TLinkedIO       * FirstInput;
    TLinkedIO       * FirstOutput;

    TLocalIO     * Next;
};
//---------------------------------------------------------------------------

struct SLinkedIO
{
    CFunctionCore   * Function;
    char            * IOName;

    SLinkedIO       * Next;
};
//---------------------------------------------------------------------------

class CFunctionCore
{
protected:
    // Function Definition
    char    * Name;

    // IOs
    TLocalIO     * FirstIO;

    // Output
    CLogCore    * Log;
    EDebugLevel DebugLevel;
    int         OutputDisplay;

    // Manage IO
    inline TLocalIO *  GetLocalIO( const char * Name ) {
        TLocalIO * LocalIO = FirstIO;
        while (LocalIO && strcmp( Name, LocalIO->Name )) {
            LocalIO = LocalIO->Next;
        }
        return LocalIO;
    }

    // Manual Data Input/Output
    virtual int Output( const TLocalIO * LocalIO, const char * Data, int Len );

public:
    // Life cycle
    CFunctionCore( const char * ObjectName, CLogCore * pLog, EDebugLevel pDebugLevel, int pOuputDisplay );
    virtual ~CFunctionCore();

    // Miscellaneous
    inline const char * GetName()   { return Name; };

    // Manage IOs
    virtual TLocalIO *  AddLocalIO( const char * IOName );

    // Manual Data Input/Output
    virtual int Input( const char * IOName, const char * Data, int MaxLen = -1 );
    virtual int Output( const char * IOName, const char * Data, int Len = -1 );

    // Automated Data Input/Output
    virtual bool AddInput( const char * IOName, CFunctionCore * OutFunction, const char * OutputName, bool Bidirectional );
    virtual bool AddOutput( const char * IOName, CFunctionCore * InFunction, const char * InputName, bool Bidirectional );
    virtual bool Process() = 0;
};

//---------------------------------------------------------------------------

#endif /* REDACORE_FUNCTIONCORE_H_ */