/*
 Copyright © 2017 Hasan Yavuz Özderya

 This file is part of serialplot.

 serialplot 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.

 serialplot 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 serialplot. If not, see <http://www.gnu.org/licenses/>.
*/

#include "setting_defines.h"
#include "updatecheckdialog.h"
#include "ui_updatecheckdialog.h"

UpdateCheckDialog::UpdateCheckDialog(QWidget *parent) :
 QDialog(parent),
 ui(new Ui::UpdateCheckDialog)
{
 ui->setupUi(this);

 // by default start from yesterday, so that we check at first run
 lastCheck = QDate::currentDate().addDays(-1);

 connect(&updateChecker, &UpdateChecker::checkFailed,
 [this](QString errorMessage)
 {
 lastCheck = QDate::currentDate();
 ui->label->setText(QString("Update check failed.\n") + errorMessage);
 });

 connect(&updateChecker, &UpdateChecker::checkFinished,
 [this](bool found, QString newVersion, QString downloadUrl)
 {
 QString text;
 if (!found)
 {
 text = "There is no update yet.";
 }
 else
 {
 show();
#ifdef UPDATE_TYPE_PKGMAN
 text = QString("There is a new version: %1. "
 "Use your package manager to update"
 " or click to <a href=\"%2\">download</a>.")\
 .arg(newVersion).arg(downloadUrl);
#else
 text = QString("Found update to version %1. Click to <a href=\"%2\">download</a>.")\
 .arg(newVersion).arg(downloadUrl);
#endif
 }

 lastCheck = QDate::currentDate();
 ui->label->setText(text);
 });
}

UpdateCheckDialog::~UpdateCheckDialog()
{
 delete ui;
}

void UpdateCheckDialog::showEvent(QShowEvent *event)
{
 updateChecker.checkUpdate();
 ui->label->setText("Checking update...");
}

void UpdateCheckDialog::closeEvent(QShowEvent *event)
{
 if (updateChecker.isChecking()) updateChecker.cancelCheck();
}

void UpdateCheckDialog::saveSettings(QSettings* settings)
{
 settings->beginGroup(SettingGroup_UpdateCheck);
 settings->setValue(SG_UpdateCheck_Periodic, ui->cbPeriodic->isChecked());
 settings->setValue(SG_UpdateCheck_LastCheck, lastCheck.toString(Qt::ISODate));
 settings->endGroup();
}

void UpdateCheckDialog::loadSettings(QSettings* settings)
{
 settings->beginGroup(SettingGroup_UpdateCheck);
 ui->cbPeriodic->setChecked(settings->value(SG_UpdateCheck_Periodic,
 ui->cbPeriodic->isChecked()).toBool());
 auto lastCheckS = settings->value(SG_UpdateCheck_LastCheck, lastCheck.toString(Qt::ISODate)).toString();
 lastCheck = QDate::fromString(lastCheckS, Qt::ISODate);
 settings->endGroup();

 // start the periodic update if required
 if (ui->cbPeriodic->isChecked() && lastCheck < QDate::currentDate())
 {
 updateChecker.checkUpdate();
 }
}