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/***************************************************************************
 *   Copyright (C) 2005 Nicolas Hadacek <hadacek@kde.org>                  *
 *                                                                         *
 *   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 "log.h"

#include <tqeventloop.h>
#include "global.h"

//-----------------------------------------------------------------------------
const Log::LineType::Data Log::LineType::DATA[Nb_Types] = {
  { 0, 0, "red",    false }, // error
  { 0, 0, "red",    false }, // soft error
  { 0, 0, "orange", false }, // warning
  { 0, 0, "black",  false }, // normal
  { 0, 0, "blue",   false }, // info
  { 0, 0, "black",  true  }, // command
};

const Log::DebugLevel::Data Log::DebugLevel::DATA[Nb_Types] = {
  { "quiet", I18N_NOOP("No debug message"),      0,           false },
  { "debug", I18N_NOOP("Normal debug messages"), "darkGreen", false },
  { "extra-debug", I18N_NOOP("Extra debug messages"),  "darkGreen", false },
  { "max-debug", I18N_NOOP("Max debug messages"),    "darkGreen", false },
  { "lowlevel-debug", I18N_NOOP("All debug messages"),    "darkGreen", false }
};

//-----------------------------------------------------------------------------
Log::View::View()
{
  setDebugLevel(DebugLevel::Normal);
  FOR_EACH(LineType, type) _modes[type.type()] = Show;
}

void Log::View::setDebugLevel(DebugLevel level)
{
  _debugLevel = level;
}

void Log::View::log(LineType type, const TQString &text, Action action)
{
  if ( _modes[type.type()]==Show ) doLog(type, text, action);
}

void Log::View::log(DebugLevel level, const TQString &text, Action action)
{
  Q_ASSERT( level!=DebugLevel::Quiet );
  updateDebugLevel();
  if ( level<=_debugLevel ) doLog(level, text, action);
}

void Log::View::logUserAbort()
{
  doLog(LineType::SoftError, i18n("Operation aborted by user."), Immediate);
}

//-----------------------------------------------------------------------------
void Log::StringView::sorry(const TQString &message, const TQString &details)
{
  if ( details.isEmpty() ) _s += message;
  else _s += message + ": " + details;
}

bool Log::StringView::askContinue(const TQString &message)
{
  log(LineType::Warning, message, Immediate);
  return false; // always fail
}

//-----------------------------------------------------------------------------
Log::Base::Base(Base *parent)
  : _parent(0), _data(0)
{
  setParent(parent);
}

void Log::Base::setParent(Base *parent)
{
  delete _data;
  _parent = parent;
  _data = (parent ? 0 : new LogData);
}

Log::Base::~Base()
{
  delete _data;
}

void Log::Base::setView(View *view)
{
  Q_ASSERT(_data);
  _data->view = view;
}

void Log::Base::logUserAbort()
{
  if ( view() ) view()->logUserAbort();
}

void Log::Base::log(LineType type, const TQString &message, Action action)
{
  if ( type==LineType::Error ) setError(message);
  if ( view() ) view()->log(type, message, action);
}

void Log::Base::log(DebugLevel level, const TQString &message, Action action)
{
  if ( view() ) view()->log(level, message, action);
}

void Log::Base::appendToLastLine(const TQString &text)
{
  if ( view() ) view()->appendToLastLine(text);
}

void Log::Base::sorry(const TQString &message, const TQString &details)
{
  if ( view() ) view()->sorry(message, details);
}

bool Log::Base::askContinue(const TQString &message)
{
  if ( view()==0 ) return false;
  return view()->askContinue(message);
}

void Log::Base::clear()
{
  resetError();
  if ( view() ) view()->clear();
}

//-----------------------------------------------------------------------------
TQString Log::KeyList::text() const
{
  TQString text;
  if ( !_title.isEmpty() ) text += _title + "\n";
  uint nb = 0;
  for (uint i=0; i<uint(_keys.count()); i++) nb = qMax(nb, uint(_keys[i].length()));
  for (uint i=0; i<uint(_keys.count()); i++) text += " " + _keys[i].leftJustify(nb+2) + _labels[i] + "\n";
  return text;
}

void Log::KeyList::display(Generic &log) const
{
  if ( !_title.isEmpty() ) log.log(Log::LineType::Normal, _title);
  uint nb = 0;
  for (uint i=0; i<uint(_keys.count()); i++) nb = qMax(nb, uint(_keys[i].length()));
  for (uint i=0; i<uint(_keys.count()); i++) log.log(Log::LineType::Normal, " " + _keys[i].leftJustify(nb+2) + _labels[i]);
}