/**
 ******************************************************************************
 *
 * @file       mapripper.cpp
 * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2012.
 * @brief      A class that allows ripping of a selection of the map
 * @see        The GNU Public License (GPL) Version 3
 * @defgroup   OPMapWidget
 * @{
 *
 *****************************************************************************/
/*
 * 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, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
#include "mapripper.h"
namespace mapcontrol {
MapRipper::MapRipper(internals::Core *core, const internals::RectLatLng & rect) : sleep(100), cancel(false), progressForm(0), core(core), yesToAll(false)
{
    if (!rect.IsEmpty()) {
        type    = core->GetMapType();
        progressForm = new MapRipForm;
        connect(progressForm, SIGNAL(cancelRequest()), this, SLOT(stopFetching()));
        area    = rect;
        zoom    = core->Zoom();
        maxzoom = core->MaxZoom();
        points  = core->Projection()->GetAreaTileList(area, zoom, 0);
        this->start();
        cancel  = false;
        progressForm->show();
        connect(this, SIGNAL(percentageChanged(int)), progressForm, SLOT(SetPercentage(int)));
        connect(this, SIGNAL(numberOfTilesChanged(int, int)), progressForm, SLOT(SetNumberOfTiles(int, int)));
        connect(this, SIGNAL(providerChanged(QString, int)), progressForm, SLOT(SetProvider(QString, int)));
        connect(this, SIGNAL(finished()), this, SLOT(finish()));
        emit numberOfTilesChanged(0, 0);
    } else
#ifdef Q_OS_DARWIN
    { QMessageBox::information(new QWidget(), tr("No valid selection"), tr("This pre-caches map data.\n\nPlease first select the area of the map to rip with <COMMAND>+Left mouse click")); }
#else
    { QMessageBox::information(new QWidget(), tr("No valid selection"), tr("This pre-caches map data.\n\nPlease first select the area of the map to rip with <CTRL>+Left mouse click")); }
#endif
}
void MapRipper::finish()
{
    if (zoom < maxzoom && !cancel) {
        ++zoom;
        int ret;
        if (!yesToAll) {
            QMessageBox msgBox;
            msgBox.setText(QString(tr("Continue Ripping at zoom level %1?")).arg(zoom));
            // msgBox.setInformativeText("Do you want to save your changes?");
            msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No | QMessageBox::YesAll);
            msgBox.setDefaultButton(QMessageBox::Yes);
            ret = msgBox.exec();
        } else {
            ret = QMessageBox::Yes;
        }
        if (ret == QMessageBox::Yes) {
            points.clear();
            points = core->Projection()->GetAreaTileList(area, zoom, 0);
            this->start();
        } else if (ret == QMessageBox::YesAll) {
            yesToAll = true;
            points.clear();
            points   = core->Projection()->GetAreaTileList(area, zoom, 0);
            this->start();
        } else {
            progressForm->close();
            delete progressForm;
            this->deleteLater();
        }
    } else {
        yesToAll = false;
        progressForm->close();
        delete progressForm;
        this->deleteLater();
    }
}


void MapRipper::run()
{
    int countOk   = 0;
    bool goodtile = false;

    // Stuff.Shuffle<Point>(ref list);
    QVector<core::MapType::Types> types = OPMaps::Instance()->GetAllLayersOfType(type);
    int all = points.count();
    for (int i = 0; i < all; i++) {
        emit numberOfTilesChanged(all, i + 1);
        if (cancel) {
            break;
        }

        core::Point p = points[i];
        {
            // qDebug()<<"offline fetching:"<<p.ToString();
            foreach(core::MapType::Types type, types) {
                emit providerChanged(core::MapType::StrByType(type), zoom);
                QByteArray img = OPMaps::Instance()->GetImageFrom(type, p, zoom);

                if (img.length() != 0) {
                    goodtile = true;
                    img = NULL;
                } else {
                    goodtile = false;
                }
            }
            if (goodtile) {
                countOk++;
            } else {
                i--;
                QThread::msleep(1000);
                continue;
            }
        }
        emit percentageChanged((int)((i + 1) * 100 / all)); // , i+1);
        // worker.ReportProgress((int) ((i+1)*100/all), i+1);

        QThread::msleep(sleep);
    }
}

void MapRipper::stopFetching()
{
    QMutexLocker locker(&mutex);

    cancel = true;
}
}