/********************************************************************
**                Image Component Library (ICL)                    **
**                                                                 **
** Copyright (C) 2006-2012 CITEC, University of Bielefeld          **
**                         Neuroinformatics Group                  **
** Website: www.iclcv.org and                                      **
**          http://opensource.cit-ec.de/projects/icl               **
**                                                                 **
** File   : ICLUtils/src/ConsoleProgress.cpp                       **
** Module : ICLUtils                                               **
** Authors: Christof Elbrechter                                    **
**                                                                 **
**                                                                 **
** Commercial License                                              **
** ICL can be used commercially, please refer to our website       **
** www.iclcv.org for more details.                                 **
**                                                                 **
** GNU General Public License Usage                                **
** Alternatively, this file may be used under the terms of the     **
** GNU General Public License version 3.0 as published by the      **
** Free Software Foundation and appearing in the file LICENSE.GPL  **
** included in the packaging of this file.  Please review the      **
** following information to ensure the GNU General Public License  **
** version 3.0 requirements will be met:                           **
** http://www.gnu.org/copyleft/gpl.html.                           **
**                                                                 **
** The development of this software was supported by the           **
** Excellence Cluster EXC 277 Cognitive Interaction Technology.    **
** The Excellence Cluster EXC 277 is a grant of the Deutsche       **
** Forschungsgemeinschaft (DFG) in the context of the German       **
** Excellence Initiative.                                          **
**                                                                 **
*********************************************************************/

#include <ICLUtils/ConsoleProgress.h>
#include <cstdio>
using namespace std;
using namespace icl;

namespace{

  char BACK_LINE[] = { char(27), char(91), char(65), char(0)};// "\E[A\0"

  int BAR_LEN = 30;
  
  string PROGRESS_STR;
}
namespace icl{
  void progress_init(const std::string &text){
    // {{{ open

    printf("\n");
    printf("%s%s\n",BACK_LINE,text.c_str());
    PROGRESS_STR = text;
  }

  // }}}
  
  void progress_finish(){
    // {{{ open

    printf("%s%s:100%s[##############################]\n",BACK_LINE,PROGRESS_STR.c_str(),"%");
    
  }

  // }}}
  
  void progress(int curr, int max, const std::string &t){
    // {{{ open

    printf("%s%s:",BACK_LINE,PROGRESS_STR.c_str());
    float frac = (float)curr/(float)max;
    printf("%3d%s",(int)(frac*100),"%");
    
    int N1 = (int)(frac*BAR_LEN);
    int N2 = BAR_LEN - N1;
    
    printf("[");
    for(int i=0;i<N1;i++){
      printf("#");
    }
    for(int i=0;i<N2;i++){
      printf("=");
    }
    if(t.length()){
      printf("] %s\n",t.c_str());
    }else{
      printf("]\n");
    }
    
  }
}