/**
 * This file is part of GpgFrontend.
 *
 * GpgFrontend 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 3 of the License, or
 * (at your option) any later version.
 *
 * Foobar 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 Foobar.  If not, see <https://www.gnu.org/licenses/>.
 *
 * The initial version of the source code is inherited from gpg4usb-team.
 * Their source code version also complies with GNU General Public License.
 *
 * The source code version of this software was modified and released
 * by Saturneric<eric@bktus.com> starting on May 12, 2021.
 *
 */

#include "ui/widgets/InfoBoardWidget.h"

namespace GpgFrontend::UI {

InfoBoardWidget::InfoBoardWidget(QWidget* parent, KeyList* keyList)
    : QWidget(parent),
      mKeyList(keyList),
      appPath(qApp->applicationDirPath()),
      settings(RESOURCE_DIR(appPath) + "/conf/gpgfrontend.ini",
               QSettings::IniFormat) {
  infoBoard = new QTextEdit(this);
  infoBoard->setReadOnly(true);
  infoBoard->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Expanding);
  infoBoard->setMinimumWidth(480);
  infoBoard->setContentsMargins(0, 0, 0, 0);

  importFromKeyserverAct =
      new QAction(_("Import missing key from Keyserver"), this);
  connect(importFromKeyserverAct, SIGNAL(triggered()), this,
          SLOT(slotImportFromKeyserver()));

  detailMenu = new QMenu(this);
  detailMenu->addAction(importFromKeyserverAct);
  importFromKeyserverAct->setVisible(false);

  auto* actionButtonMenu = new QWidget();
  actionButtonMenu->setContentsMargins(0, 0, 0, 0);
  actionButtonMenu->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Minimum);
  actionButtonMenu->setFixedHeight(36);

  actionButtonLayout = new QHBoxLayout();
  actionButtonLayout->setContentsMargins(5, 5, 5, 5);
  actionButtonLayout->setSpacing(0);
  actionButtonMenu->setLayout(actionButtonLayout);

  auto label = new QLabel(_("Optional Actions"));
  label->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
  label->setContentsMargins(0, 0, 0, 0);

  actionButtonLayout->addWidget(label);
  actionButtonLayout->addStretch();

  QFrame* line;
  line = new QFrame(this);
  line->setFrameShape(QFrame::HLine);
  line->setFrameShadow(QFrame::Sunken);
  line->setContentsMargins(0, 0, 0, 0);

  auto* notificationWidgetLayout = new QVBoxLayout(this);
  notificationWidgetLayout->setContentsMargins(0, 0, 0, 0);
  notificationWidgetLayout->setSpacing(0);

  notificationWidgetLayout->addWidget(infoBoard);
  notificationWidgetLayout->setStretchFactor(infoBoard, 10);
  notificationWidgetLayout->addWidget(actionButtonMenu);
  notificationWidgetLayout->setStretchFactor(actionButtonMenu, 1);
  notificationWidgetLayout->addWidget(line);
  notificationWidgetLayout->setStretchFactor(line, 1);
  notificationWidgetLayout->addStretch(0);
  this->setLayout(notificationWidgetLayout);
}

void InfoBoardWidget::slotImportFromKeyserver() {
  auto* importDialog = new KeyServerImportDialog(mKeyList, false, this);
  auto key_ids = std::make_unique<KeyIdArgsList>();
  for (const auto& key_id : *keysNotInList) {
    key_ids->push_back(key_id.toStdString());
  }
  importDialog->slotImport(key_ids);
}

void InfoBoardWidget::setInfoBoard(const QString& text,
                                   InfoBoardStatus verifyLabelStatus) {
  QString color;
  infoBoard->clear();
  switch (verifyLabelStatus) {
    case INFO_ERROR_OK:
      color = "#008000";
      break;
    case INFO_ERROR_WARN:
      color = "#FF8C00";
      break;
    case INFO_ERROR_CRITICAL:
      color = "#DC143C";
      break;
    default:
      break;
  }
  infoBoard->append(text);

  infoBoard->setAutoFillBackground(true);
  QPalette status = infoBoard->palette();
  status.setColor(QPalette::Text, color);
  infoBoard->setPalette(status);
  auto infoBoardFontSize =
      settings.value("informationBoard/fontSize", 10).toInt();
  infoBoard->setFont(QFont("Times", infoBoardFontSize));
}

void InfoBoardWidget::slotRefresh(const QString& text, InfoBoardStatus status) {
  infoBoard->clear();
  setInfoBoard(text, status);
  infoBoard->verticalScrollBar()->setValue(0);
}

void InfoBoardWidget::associateTextEdit(QTextEdit* edit) {
  if (mTextPage != nullptr)
    disconnect(mTextPage, SIGNAL(textChanged()), this, SLOT(slotReset()));
  this->mTextPage = edit;
  connect(edit, SIGNAL(textChanged()), this, SLOT(slotReset()));
}

void InfoBoardWidget::associateFileTreeView(FilePage* treeView) {
  //    if (mFileTreeView != nullptr)
  //        disconnect(mFileTreeView, &FilePage::pathChanged, this,
  //        &InfoBoardWidget::slotReset);
  //    this->mFileTreeView = treeView;
  //    connect(treeView, &FilePage::pathChanged, this,
  //    &InfoBoardWidget::slotReset);
}

void InfoBoardWidget::associateTabWidget(QTabWidget* tab) {
  if (mTextPage != nullptr)
    disconnect(mTextPage, SIGNAL(textChanged()), this, SLOT(slotReset()));
  //    if (mFileTreeView != nullptr)
  //        disconnect(mFileTreeView, &FilePage::pathChanged, this,
  //        &InfoBoardWidget::slotReset);
  if (mTabWidget != nullptr) {
    disconnect(mTabWidget, SIGNAL(tabBarClicked(int)), this, SLOT(slotReset()));
    connect(mTabWidget, SIGNAL(tabCloseRequested(int)), this,
            SLOT(slotReset()));
  }

  mTextPage = nullptr;
  mFileTreeView = nullptr;
  mTabWidget = tab;
  connect(tab, SIGNAL(tabBarClicked(int)), this, SLOT(slotReset()));
  connect(tab, SIGNAL(tabCloseRequested(int)), this, SLOT(slotReset()));
}

void InfoBoardWidget::addOptionalAction(const QString& name,
                                        const std::function<void()>& action) {
  auto actionButton = new QPushButton(name);
  auto layout = new QHBoxLayout();
  layout->setContentsMargins(5, 0, 5, 0);
  infoBoard->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
  // set margin from surroundings
  layout->addWidget(actionButton);
  actionButtonLayout->addLayout(layout);
  connect(actionButton, &QPushButton::clicked, this, [=]() { action(); });
}

/**
 * Delete All item in actionButtonLayout
 */
void InfoBoardWidget::resetOptionActionsMenu() {
  deleteWidgetsInLayout(actionButtonLayout, 2);
}

void InfoBoardWidget::slotReset() {
  this->infoBoard->clear();
  resetOptionActionsMenu();
}

/**
 * Try Delete all widget from target layout
 * @param layout target layout
 */
void InfoBoardWidget::deleteWidgetsInLayout(QLayout* layout, int start_index) {
  QLayoutItem* item;
  while ((item = layout->layout()->takeAt(start_index)) != nullptr) {
    layout->removeItem(item);
    if (item->layout() != nullptr)
      deleteWidgetsInLayout(item->layout());
    else if (item->widget() != nullptr)
      delete item->widget();
    delete item;
  }
}

}  // namespace GpgFrontend::UI