// This file is part of RSS Guard.
//
// Copyright (C) 2011-2017 by Martin Rotter <rotter.martinos@gmail.com>
//
// RSS Guard 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.
//
// RSS Guard 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 RSS Guard. If not, see <http://www.gnu.org/licenses/>.

#include "gui/messagebox.h"

#include "miscellaneous/application.h"
#include "miscellaneous/iconfactory.h"

#include <QtGlobal>
#include <QDialogButtonBox>
#include <QPushButton>
#include <QDialogButtonBox>
#include <QStyle>
#include <QCheckBox>


MessageBox::MessageBox(QWidget* parent) : QMessageBox(parent) {
}

MessageBox::~MessageBox() {
}

void MessageBox::setIcon(QMessageBox::Icon icon) {
	// Determine correct status icon size.
	const int icon_size = qApp->style()->pixelMetric(QStyle::PM_MessageBoxIconSize, 0, this);
	// Setup status icon.
	setIconPixmap(iconForStatus(icon).pixmap(icon_size, icon_size));
}

void MessageBox::setCheckBox(QMessageBox* msg_box, const QString& text, bool* data) {
	// Add "don't show this again checkbox.
	QCheckBox* check_box = new QCheckBox(msg_box);
	check_box->setChecked(*data);
	check_box->setText(text);
	connect(check_box, &QCheckBox::toggled, [ = ](bool checked) {
		*data = checked;
	});
	msg_box->setCheckBox(check_box);
}

QIcon MessageBox::iconForStatus(QMessageBox::Icon status) {
	switch (status) {
		case QMessageBox::Information:
			return qApp->icons()->fromTheme(QSL("dialog-information"));

		case QMessageBox::Warning:
			return qApp->icons()->fromTheme(QSL("dialog-warning"));

		case QMessageBox::Critical:
			return qApp->icons()->fromTheme(QSL("dialog-error"));

		case QMessageBox::Question:
			return qApp->icons()->fromTheme(QSL("dialog-question"));

		case QMessageBox::NoIcon:
		default:
			return QIcon();
	}
}

QMessageBox::StandardButton MessageBox::show(QWidget* parent,
                                             QMessageBox::Icon icon,
                                             const QString& title,
                                             const QString& text,
                                             const QString& informative_text,
                                             const QString& detailed_text,
                                             QMessageBox::StandardButtons buttons,
                                             QMessageBox::StandardButton default_button,
                                             bool* dont_show_again) {
	// Create and find needed components.
	MessageBox msg_box(parent);
	// Initialize message box properties.
	msg_box.setWindowTitle(title);
	msg_box.setText(text);
	msg_box.setInformativeText(informative_text);
	msg_box.setDetailedText(detailed_text);
	msg_box.setIcon(icon);
	msg_box.setStandardButtons(buttons);
	msg_box.setDefaultButton(default_button);

	if (dont_show_again != nullptr) {
		MessageBox::setCheckBox(&msg_box, tr("Do not show this dialog again."), dont_show_again);
	}

	// Display it.
	if (msg_box.exec() == -1) {
		return QMessageBox::Cancel;
	}

	else {
		return msg_box.standardButton(msg_box.clickedButton());
	}
}