/*
    Copyright (C) 2015  P.L. Lucas <selairi@gmail.com>

    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.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#include <QJsonArray>
#include <QJsonObject>
#include "savesettings.h"
#include "configure.h"
#include <QDebug>
#include <QJsonDocument>
#include <QProcess>
#include <QInputDialog>

SaveSettings::SaveSettings(LxQt::Settings*applicationSettings, QWidget* parent):
  QDialog(parent) {

  this->applicationSettings = applicationSettings;

  ui.setupUi(this);

  QSize size(128,64);
  ui.save->setIcon(QIcon::fromTheme("document-save"));
  ui.save->setIconSize(size);

  connect(ui.hardwareCompatibleConfigs, SIGNAL(itemDoubleClicked(QListWidgetItem *)), SLOT(setSavedSettings(QListWidgetItem *)));
  connect(ui.deletePushButton, SIGNAL(clicked()), SLOT(onDeleteItem()));
  connect(ui.renamePushButton, SIGNAL(clicked()), SLOT(onRenameItem()));

  loadSettings();
}

void SaveSettings::setHardwareIdentifier(QString hardwareIdentifier) {
  this->hardwareIdentifier = hardwareIdentifier;
  loadSettings();
}

void SaveSettings::setSavedSettings(QListWidgetItem * item) {
  QJsonObject o = item->data(Qt::UserRole).toJsonObject();
  QString cmd = o["command"].toString();
  qDebug() << "[SaveSettings::setSavedSettings]: " << cmd;
  QProcess::execute(cmd);
}

void SaveSettings::onDeleteItem() {
  if( ui.allConfigs->currentItem() == NULL )
    return;
  QJsonObject obj  = ui.allConfigs->currentItem()->data(Qt::UserRole).toJsonObject();
  applicationSettings->beginGroup("configMonitor");
  QJsonArray  savedConfigs = QJsonDocument::fromJson(applicationSettings->value("saved").toByteArray()).array();
  for(int i=0;i<savedConfigs.size();i++) {
    const QJsonValue & v = savedConfigs[i];
    QJsonObject o = v.toObject();
    if( o["name"].toString() == obj["name"].toString() ) {
      savedConfigs.removeAt(i);
      break;
    }
  }
  applicationSettings->setValue("saved", QVariant(QJsonDocument(savedConfigs).toJson()));
  applicationSettings->endGroup();
  loadSettings();
}

void SaveSettings::onRenameItem() {
  if( ui.allConfigs->currentItem() == NULL )
    return;
  QJsonObject obj  = ui.allConfigs->currentItem()->data(Qt::UserRole).toJsonObject();
  bool ok;
  QString configName = QInputDialog::getText(this, tr("Name"), tr("Name:"), QLineEdit::Normal, obj["name"].toString(), &ok);
  if (!ok || configName.isEmpty())
    return;
  applicationSettings->beginGroup("configMonitor");
  QJsonArray  savedConfigs = QJsonDocument::fromJson(applicationSettings->value("saved").toByteArray()).array();
  for(int i=0;i<savedConfigs.size();i++) {
    const QJsonValue & v = savedConfigs[i];
    QJsonObject o = v.toObject();
    if( o["name"].toString() == obj["name"].toString() ) {
      savedConfigs.removeAt(i);
      obj["name"] = configName;
      savedConfigs.append(obj);
      break;
    }
  }
  applicationSettings->setValue("saved", QVariant(QJsonDocument(savedConfigs).toJson()));
  applicationSettings->endGroup();
  loadSettings();
}

void SaveSettings::loadSettings() {
  ui.allConfigs->clear();
  ui.hardwareCompatibleConfigs->clear();
  applicationSettings->beginGroup("configMonitor");
  QJsonArray  savedConfigs = QJsonDocument::fromJson(applicationSettings->value("saved").toByteArray()).array();
  foreach (const QJsonValue & v, savedConfigs) {
    QJsonObject o = v.toObject();
    QListWidgetItem *item = new QListWidgetItem(o["name"].toString(), ui.allConfigs);
    item->setData(Qt::UserRole, QVariant(o));
    if(o["hardwareIdentifier"].toString() == hardwareIdentifier) {
      QListWidgetItem *item = new QListWidgetItem(o["name"].toString(), ui.hardwareCompatibleConfigs);
      item->setData(Qt::UserRole, QVariant(o));
    }
  }
  applicationSettings->endGroup();
}