/*  dvbcut settings
    Copyright (c) 2006 Michael Riepe
 
    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.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include <string>
#include <vector>

#include <assert.h>

#include "defines.h"
#include "settings.h"

dvbcut_settings::dvbcut_settings() {
  setPath(DVBCUT_QSETTINGS_DOMAIN, DVBCUT_QSETTINGS_PRODUCT);
  beginGroup("/" DVBCUT_QSETTINGS_DOMAIN "/" DVBCUT_QSETTINGS_PRODUCT);
  load_settings();
}

dvbcut_settings::~dvbcut_settings() {
  save_settings();
  endGroup();
}

void
dvbcut_settings::load_settings() {
  viewscalefactor = readNumEntry("/viewscalefactor", 1);
  wheel_increments[WHEEL_INCR_NORMAL] = readNumEntry("/wheel_incr_normal", 25*60);
  wheel_increments[WHEEL_INCR_SHIFT] = readNumEntry("/wheel_incr_shift", 25);
  wheel_increments[WHEEL_INCR_CTRL] = readNumEntry("/wheel_incr_ctrl", 1);
  wheel_increments[WHEEL_INCR_ALT] = readNumEntry("/wheel_incr_alt", 15*25*60);
  wheel_threshold = readNumEntry("/wheel_threshold", 24);
  // Note: delta is a multiple of 120 (see Qt documentation)
  wheel_delta = readNumEntry("/wheel_delta", 120);
  if (wheel_delta == 0)
    wheel_delta = 1;	// avoid devide by zero
  jog_maximum = readNumEntry("/jog_maximum", 180000);
  jog_threshold = readNumEntry("/jog_threshold", 50);
  // to increase the "zero frames"-region of the jog-slider
  jog_offset = readDoubleEntry("/jog_offset", 0.4);
  // sub-intervals of jog_maximum
  jog_interval = readNumEntry("/jog_interval", 1);
  if (jog_interval < 0)
    jog_interval = 0;
  lin_interval = readNumEntry("/lin_interval", 3600);
  if (lin_interval < 0)
    lin_interval = 0;
  idxfilter = readEntry("/idxfilter", DVBCUT_DEFAULT_IDXFILTER);
  prjfilter = readEntry("/prjfilter", DVBCUT_DEFAULT_PRJFILTER);
  loadfilter = readEntry("/loadfilter", DVBCUT_DEFAULT_LOADFILTER);
  beginGroup("/recentfiles");
    recentfiles_max = readNumEntry("/max", 5);
    recentfiles.clear();
    for (unsigned int i = 0; i < recentfiles_max; ++i) {
      QString key = "/" + QString::number(i);
      QString filename = readEntry(key);
      if (filename.isEmpty())
	continue;
      QString idxfilename = readEntry(key + "-idx", "");
      recentfiles.push_back(
	std::pair<std::string,std::string>(filename, idxfilename));
    }
  endGroup();	// recentfiles
}

void
dvbcut_settings::save_settings() {
  writeEntry("/viewscalefactor", viewscalefactor);
  writeEntry("/wheel_incr_normal", wheel_increments[WHEEL_INCR_NORMAL]);
  writeEntry("/wheel_incr_shift", wheel_increments[WHEEL_INCR_SHIFT]);
  writeEntry("/wheel_incr_ctrl", wheel_increments[WHEEL_INCR_CTRL]);
  writeEntry("/wheel_incr_alt", wheel_increments[WHEEL_INCR_ALT]);
  writeEntry("/wheel_threshold", wheel_threshold);
  writeEntry("/wheel_delta", wheel_delta);
  writeEntry("/jog_maximum", jog_maximum);
  writeEntry("/jog_threshold", jog_threshold);
  writeEntry("/jog_offset", jog_offset);
  writeEntry("/jog_interval", jog_interval);
  writeEntry("/lin_interval", lin_interval);
  writeEntry("/idxfilter", idxfilter);
  writeEntry("/prjfilter", prjfilter);
  writeEntry("/loadfilter", loadfilter);
  beginGroup("/recentfiles");
    writeEntry("/max", int(recentfiles_max));
    for (unsigned int i = 0; i < recentfiles_max; ++i) {
      QString key = "/" + QString::number(i);
      if (i < recentfiles.size()) {
	writeEntry(key, recentfiles[i].first);
	writeEntry(key + "-idx", recentfiles[i].second);
      }
      else {
	removeEntry(key);
	removeEntry(key + "-idx");
      }
    }
  endGroup();	// recentfiles
}

// finally, the global settings
dvbcut_settings settings;