/***************************************************************************
                          LogPanel.cxx  -  description
                             -------------------
    begin                : Mon Jul 12 2004
    copyright            : (C) 2004 by jschumac
    email                : jschumac@physik.uni-bonn.de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include <qstring.h>
#include <q3textbrowser.h>
#include <qtabwidget.h>
#include <q3filedialog.h>
#include <qlineedit.h>
#include <qmessagebox.h>
#include <qdatetime.h>
//Added by qt3to4:
#include <QShowEvent>

#include <iostream>
#include <fstream>
#include <stdio.h>

#include "LogPanel.h"

LogPanel::LogPanel( QWidget* parent, const char*  )
  : QWidget( parent )
{
  setupUi(this);
  QObject::connect(SaveLogButton, SIGNAL(clicked()), this, SLOT(saveCurrentLog()));
  QObject::connect(clearButton, SIGNAL(clicked()), this, SLOT(clearCurrentLog()));
  QObject::connect(browseButton, SIGNAL(clicked()), this, SLOT(browseLogFolder()));
  QObject::connect(getlogButton, SIGNAL(clicked()), this, SLOT(getRodBuffers()));

  logsavePath->setText(QString::null);
  QString dt = QDateTime::currentDateTime().toString("hh:mm:ss_MM-dd-yyyy");
  m_rodLogFile = "rodbuff_"+dt+".txt";
  m_stcLogFile = "stclog_"+dt+".txt";
#ifdef WIN32 // replace colons by dashes, win doesn't like them in file names...
  m_rodLogFile.replace(":","-");
  m_stcLogFile.replace(":","-");
#endif
  m_seenRodErrs = true;
}
LogPanel::~LogPanel(){
}
void LogPanel::saveCurrentLog(){
  QStringList filter;
  filter += "Text file (*.txt)";
  filter += "Any file (*.*)";
  Q3FileDialog fdia(QString::null,QString::null,this,"select data file",TRUE);
  fdia.setFilters(filter);
  fdia.setMode(Q3FileDialog::AnyFile);
  if(fdia.exec() == QDialog::Accepted) {
    std::ofstream out(fdia.selectedFile().latin1());
    if (out.is_open()){
      if(LogTabWidget->currentPage()==LogTabWidget->page(0)){       // STcontrol log
	out << "STcontrol log" << std::endl;
	out << STControlLogBrowser->text().latin1();
      }else if(LogTabWidget->currentPage()==LogTabWidget->page(1)){ // ROD buffer log
	out << "ROD buffer log" << std::endl;
	out << RODBuffersLogBrowser->text().latin1();
      }
      out.close();
    }
  }
}
void LogPanel::clearCurrentLog(){
  if(LogTabWidget->currentPage()==LogTabWidget->page(0)){       // STcontrol log
    STControlLogBrowser->clear();
  }else if(LogTabWidget->currentPage()==LogTabWidget->page(1)){ // ROD buffer log
    RODBuffersLogBrowser->clear();
  }

}
/** Append to the general Log */
void LogPanel::logToSTC( const QString& str_in ){
  STControlLogBrowser->moveCursor( Q3TextEdit::MoveEnd, false );
  STControlLogBrowser->insert( str_in );
  if(!logsavePath->text().isEmpty()){
    FILE *sctFile = fopen((logsavePath->text()+"/"+m_stcLogFile).latin1(),"a");
    fprintf(sctFile,"%s",str_in.latin1());
    fclose(sctFile);
  }
}
/** Append to the general Log, and open window since this is an error msg. */
void LogPanel::errorToSTC( const QString& str_in ){
  // "normal" logging
  QString str = "ERROR:\n";
  str += str_in;
//   STControlLogBrowser->moveCursor( QTextEdit::MoveEnd, false );
//   STControlLogBrowser->insert( "ERROR:\n" );
//   STControlLogBrowser->insert( str_in );
//   if(!logsavePath->text().isEmpty()){
//     FILE *sctFile = fopen((logsavePath->text()+"/"+m_stcLogFile).latin1(),"a");
//     fprintf(sctFile,"%s",str_in.latin1());
//     fclose(sctFile);
//   }
  logToSTC(str);
  // open waning box
  // default string should be class::routine : message -> split
  QString function="STcontrol", message=str_in;
  int pos = message.find(" : ");
  if(pos>=0){
    function = message.left(pos);
    message = message.right(message.length()-pos-3);
  }
  QMessageBox::warning(this, function, message);
}
/** Append to the ROD buffers Log */
void LogPanel::logToROD( const QString& str_in ){
  RODBuffersLogBrowser->moveCursor( Q3TextEdit::MoveEnd, false );
  RODBuffersLogBrowser->insert( str_in );
  if(!logsavePath->text().isEmpty()){
    FILE *rodFile = fopen((logsavePath->text()+"/"+m_rodLogFile).latin1(),"a");
    fprintf(rodFile,"%s",str_in.latin1());
    fclose(rodFile);
  }
}
/** Append to the ROD buffers Log, and open window since this is an error msg. */
void LogPanel::errorToROD( const QString& str_in ){
  // "normal" logging
  logToROD(str_in);
  // error window
  if(m_seenRodErrs){
    QMessageBox::warning(this, "ROD buffer", "There is a message in one of the ROD error buffers.\n Please check log panel for details.");
    m_seenRodErrs = false;
  }
}
void LogPanel::getRodBuffers(){
  logToROD( "user-triggered buffer readout\n");
  emit wantRodBuffers();
}
void LogPanel::browseLogFolder(const char *in_path){
  
  QString path;
  if(in_path==0){
    path = Q3FileDialog::getExistingDirectory ( logsavePath->text(), this, "brwsdir", 
					      "Browse to log-saving directory", true);
  }else{
    path = in_path;
    if(path.right(1)!="/") path+="/";
  }

  if(!path.isEmpty() && logsavePath->text()!=path){
    logsavePath->setText(path);
    FILE *rodFile = fopen((logsavePath->text()+m_rodLogFile).latin1(),"w");
    FILE *stcFile = fopen((logsavePath->text()+m_stcLogFile).latin1(),"w");
    fprintf(stcFile,"%s",STControlLogBrowser->text().latin1());
    fprintf(rodFile,"%s",RODBuffersLogBrowser->text().latin1());
    fclose(rodFile);
    fclose(stcFile);
  }

  return;
}
void LogPanel::showEvent ( QShowEvent *e )
{
  QWidget::showEvent(e);
  m_seenRodErrs=true;
}