/*
 *  Copyright (C) 2011 Felix Geyer <debfx@fobos.de>
 *
 *  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 2 or (at your option)
 *  version 3 of the License.
 *
 *  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 "TestGuiPixmaps.h"

#include <QTest>

#include "core/Database.h"
#include "core/DatabaseIcons.h"
#include "core/Entry.h"
#include "core/Group.h"
#include "core/Metadata.h"
#include "crypto/Crypto.h"

void TestGuiPixmaps::initTestCase()
{
    QVERIFY(Crypto::init());
}

void TestGuiPixmaps::testDatabaseIcons()
{
    QImage image;
    QPixmap pixmap;
    QPixmap pixmapCached;

    image = databaseIcons()->icon(0);
    pixmap = databaseIcons()->iconPixmap(0);
    compareImages(pixmap, image);
    // check if the cache works correctly
    pixmapCached = databaseIcons()->iconPixmap(0);
    compareImages(pixmapCached, image);
    QCOMPARE(pixmapCached.cacheKey(), pixmap.cacheKey());

    pixmap = databaseIcons()->iconPixmap(1);
    image = databaseIcons()->icon(1);
    compareImages(pixmap, image);
    pixmapCached = databaseIcons()->iconPixmap(1);
    compareImages(pixmapCached, image);
    QCOMPARE(pixmapCached.cacheKey(), pixmap.cacheKey());
}

void TestGuiPixmaps::testEntryIcons()
{
    Database* db = new Database();
    Entry* entry = new Entry();
    entry->setGroup(db->rootGroup());

    QImage icon;
    QImage image;
    QPixmap pixmap;
    QPixmap pixmapCached1;
    QPixmap pixmapCached2;

    icon = databaseIcons()->icon(10);
    entry->setIcon(10);
    image = entry->icon();
    pixmap = entry->iconPixmap();
    QCOMPARE(image, icon);
    compareImages(pixmap, icon);
    pixmapCached1 = entry->iconPixmap();
    pixmapCached2 = databaseIcons()->iconPixmap(10);
    compareImages(pixmapCached1, icon);
    compareImages(pixmapCached2, icon);
    QCOMPARE(pixmapCached1.cacheKey(), pixmap.cacheKey());
    QCOMPARE(pixmapCached2.cacheKey(), pixmap.cacheKey());

    Uuid iconUuid = Uuid::random();
    icon = QImage(2, 1, QImage::Format_RGB32);
    icon.setPixel(0, 0, qRgb(0, 0, 0));
    icon.setPixel(1, 0, qRgb(0, 0, 50));
    db->metadata()->addCustomIcon(iconUuid, icon);
    entry->setIcon(iconUuid);

    image = entry->icon();
    pixmap = entry->iconPixmap();

    QCOMPARE(image, icon);
    compareImages(pixmap, icon);
    pixmapCached1 = entry->iconPixmap();
    compareImages(pixmapCached1, icon);
    QCOMPARE(pixmapCached1.cacheKey(), pixmap.cacheKey());

    delete db;
}

void TestGuiPixmaps::testGroupIcons()
{
    Database* db = new Database();
    Group* group = db->rootGroup();

    QImage icon;
    QImage image;
    QPixmap pixmap;
    QPixmap pixmapCached1;
    QPixmap pixmapCached2;

    icon = databaseIcons()->icon(10);
    group->setIcon(10);
    image = group->icon();
    pixmap = group->iconPixmap();
    QCOMPARE(image, icon);
    compareImages(pixmap, icon);
    pixmapCached1 = group->iconPixmap();
    pixmapCached2 = databaseIcons()->iconPixmap(10);
    compareImages(pixmapCached1, icon);
    compareImages(pixmapCached2, icon);
    QCOMPARE(pixmapCached1.cacheKey(), pixmap.cacheKey());
    QCOMPARE(pixmapCached2.cacheKey(), pixmap.cacheKey());

    Uuid iconUuid = Uuid::random();
    icon = QImage(2, 1, QImage::Format_RGB32);
    icon.setPixel(0, 0, qRgb(0, 0, 0));
    icon.setPixel(1, 0, qRgb(0, 0, 50));
    db->metadata()->addCustomIcon(iconUuid, icon);
    group->setIcon(iconUuid);

    image = group->icon();
    pixmap = group->iconPixmap();

    QCOMPARE(image, icon);
    compareImages(pixmap, icon);
    pixmapCached1 = group->iconPixmap();
    compareImages(pixmapCached1, icon);
    QCOMPARE(pixmapCached1.cacheKey(), pixmap.cacheKey());

    delete db;
}

void TestGuiPixmaps::compareImages(const QPixmap& pixmap, const QImage& image)
{
    QCOMPARE(pixmap.toImage().convertToFormat(QImage::Format_ARGB32_Premultiplied),
             image.convertToFormat(QImage::Format_ARGB32_Premultiplied));
}

QTEST_MAIN(TestGuiPixmaps)