/*******************************************************************************
 **
 ** smolbote: yet another qute browser
 ** Copyright (C) 2017  Xian Nox
 **
 ** 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 3 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, see <http://www.gnu.org/licenses/>.
 **
 ******************************************************************************/

#include "downloaditemwidget.h"
#include "ui_downloaditemform.h"

#include <QUrl>
#include <QLabel>

DownloadItemWidget::DownloadItemWidget(QWebEngineDownloadItem *item, QWidget *parent) :
    QWidget(parent),
    ui(new Ui::DownloadItemForm)
{
    m_item = item;

    ui->setupUi(this);
    ui->url_label->setText(item->url().toString());

    connect(item, SIGNAL(stateChanged(QWebEngineDownloadItem::DownloadState)), this, SLOT(updateState(QWebEngineDownloadItem::DownloadState)));
    connect(item, SIGNAL(downloadProgress(qint64,qint64)), this, SLOT(updateProgress(qint64,qint64)));
    connect(item, SIGNAL(finished()), this, SLOT(updateFinished()));
}

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

QWebEngineDownloadItem *DownloadItemWidget::item() const
{
    return m_item;
}

QString DownloadItemWidget::sizeString(int size) const
{
    if(size < 1024) {
        return QString("%1 bytes").arg(size);
    }
    // KiB
    if(size < 1024 * 1024) {
        return QString("%1 kB").arg(size / 1024);
    }
    // MiB
    if(size < 1024 * 1024 * 1024) {
        return QString("%1 MB").arg(size / (1024 * 1024));
    }
    // GiB
    return QString("%1 GB").arg(size / (1024 * 1024 * 1024));
}

void DownloadItemWidget::updateState(QWebEngineDownloadItem::DownloadState state)
{
    switch (state) {
    case QWebEngineDownloadItem::DownloadRequested:
        ui->status_label->setText(tr("Requested"));
        break;
    case QWebEngineDownloadItem::DownloadInProgress:
        ui->status_label->setText(tr("In progress"));
        break;
    case QWebEngineDownloadItem::DownloadCompleted:
        ui->status_label->setText(tr("Completed"));
        break;
    case QWebEngineDownloadItem::DownloadCancelled:
        ui->status_label->setText(tr("Cancelled"));
        break;
    case QWebEngineDownloadItem::DownloadInterrupted:
        ui->status_label->setText(tr("Interrupted"));
        break;
    default:
        break;
    }
}

void DownloadItemWidget::updateProgress(qint64 value, qint64 total)
{
    ui->progressBar->setMaximum(total);
    ui->progressBar->setValue(value);
    ui->filesize_label->setText(QString("%1 / %2").arg(sizeString(value), sizeString(total)));
}

void DownloadItemWidget::updateFinished()
{
    ui->progressBar->setMaximum(100);
    ui->progressBar->setValue(100);
}