#ifndef NH_PARAMETER_H
#define NH_PARAMETER_H

#include "../commons.h"
#include "../types.h"
#include "./Object.h"

class NH_Parameter : public NH_Object {
public:
  NH_Parameter(int id, NH_CSTRING name);
  virtual ~NH_Parameter();

  NH_PARAMETER_TYPE GetType();
  void SetType(NH_PARAMETER_TYPE type);

  NH_CLASS_ID GetParameterClassID();
  virtual NH_CLASS_ID GetClassID() { return NHCID_PARAMETER; }

  void SetOwner(NH_Object *owner) { m_Owner = owner; }
  NH_Object *GetOwner() { return m_Owner; }

  NH_ParameterTypeDesc *GetParameterType() { return m_ParamType; }

  // Convertion from / to string
  virtual NH_ERROR SetStringValue(NH_STRING Value);
  virtual int GetStringValue(NH_STRING Value, NH_BOOL update = true);

  //--------------------------------------------
  // Value

  NH_Object *GetValueObject(NH_BOOL update = true);

  virtual NH_ERROR GetValue(void *buf, NH_BOOL update = true);
  virtual NH_ERROR SetValue(const void *buf, int size = 0);
  virtual NH_ERROR CopyValue(NH_Parameter *param, NH_BOOL UpdateParam = true);

  NH_BOOL IsCompatibleWith(NH_Parameter *param);
  //--------------------------------------------
  // Data pointer
  int GetDataSize();
  virtual void *GetReadDataPtr(NH_BOOL update = true);
  virtual void *GetWriteDataPtr();

protected:
  NH_Object *m_Owner;

  union {
    int m_DataSize;
    int m_AllocatedSize;
  };
  union {
    NH_BYTE *m_Buffer;
    NH_DWORD m_Value;
  };

  NH_ParameterTypeDesc *m_ParamType;
};

#endif