/* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
 * Copyright (C) 2004-2013  HUBzero Foundation, LLC
 *
 * Author: George A. Howlett <gah@purdue.edu>
 */

#ifndef GEOVIS_TRACE_H
#define GEOVIS_TRACE_H

#include <cstring>
#include <string>

#include <syslog.h>

#include <osg/NodeVisitor>

namespace GeoVis {

extern void logUserMessage(const char* format, ...);

extern std::string getUserMessages();

extern void clearUserMessages();

extern void initLog();

extern void closeLog();

extern void logMessage(int priority, const char *funcname, const char *fileName,
                       int lineNum, const char* format, ...);

#define ERROR(...)	GeoVis::logMessage(LOG_ERR, __FUNCTION__, __FILE__, __LINE__, __VA_ARGS__)
#ifdef WANT_TRACE
#define TRACE(...)	GeoVis::logMessage(LOG_DEBUG, __FUNCTION__, __FILE__, __LINE__, __VA_ARGS__)
#else 
#define TRACE(...) 
#endif  /*WANT_TRACE*/
#ifdef WANT_FRAME
#define FRAME(...)	GeoVis::logMessage(LOG_DEBUG, __FUNCTION__, __FILE__, __LINE__, __VA_ARGS__)
#else 
#define FRAME(...) 
#endif  /*WANT_FRAME*/
#define WARN(...)	GeoVis::logMessage(LOG_WARNING, __FUNCTION__, __FILE__, __LINE__, __VA_ARGS__)
#define INFO(...)	GeoVis::logMessage(LOG_INFO, __FUNCTION__, __FILE__, __LINE__, __VA_ARGS__)

#define USER_ERROR(...) GeoVis::logUserMessage(__VA_ARGS__)

class GraphPrintVisitor : public osg::NodeVisitor
{
public:
    GraphPrintVisitor()
        : osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN)
    {}

    virtual void apply(osg::Node& node)
    {
        char space[256];
        size_t len = getNodePath().size();
        memset(space, ' ', len);
        space[len] = '\0';
        TRACE("%s%s (%s) %p", space, node.className(), node.getName().c_str(), &node);
        traverse(node);
    }
};

}

#endif