/*
 *    This software is in the public domain, furnished "as is", without technical
 *    support, and with no warranty, express or implied, as to its usefulness for
 *    any purpose.
 *
 */

#include "gui/models/protocolitemmodel.h"
#include "gui/accountmanager.h"
#include "gui/accountstate.h"
#include "gui/folderman.h"

#include "testutils/testutils.h"

#include <QTest>
#include <QAbstractItemModelTester>
#include <folder.h>

namespace OCC {

class TestProtocolModel : public QObject
{
    Q_OBJECT

private Q_SLOTS:
    void testInsertAndRemove()
    {
        auto model = new ProtocolItemModel(300, false, this);

        new QAbstractItemModelTester(model, this);

        auto dir = TestUtils::createTempDir();

        auto newAccountState = TestUtils::createDummyAccount();

        const QDir d(dir.path());
        QVERIFY(d.mkdir(QStringLiteral("foo")));
        QVERIFY(d.mkdir(QStringLiteral("bar")));
        auto foo = TestUtils::folderMan()->addFolder(
            newAccountState.get(), TestUtils::createDummyFolderDefinition(newAccountState->account(), dir.path() + QStringLiteral("/foo")));
        auto bar = TestUtils::folderMan()->addFolder(
            newAccountState.get(), TestUtils::createDummyFolderDefinition(newAccountState->account(), dir.path() + QStringLiteral("/bar")));

        QVERIFY(foo);
        QVERIFY(bar);

        // populate with dummy data
        // -1 to test the ring buffer window roll over
        const auto size = model->rawData().capacity() - 1;
        auto item = SyncFileItemPtr::create();
        std::vector<ProtocolItem> tmp;
        tmp.reserve(size);
        for (size_t i = 0; i < size; ++i) {
            item->setLocalName(QString::number(i));
            tmp.emplace_back(foo, item);
        }
        model->reset(std::move(tmp));

        // test some inserts
        for (int i = 0; i < 5; ++i) {
            item->setLocalName(QString::number(i));
            model->addProtocolItem(ProtocolItem { bar, item });
        }

        const auto oldSize = model->rowCount();
        QCOMPARE(oldSize, model->rawData().capacity());
        // pick one from the middle
        const auto toBeRemoved = {
            model->protocolItem(model->index(0, 0)),
            model->protocolItem(model->index(static_cast<int>(model->rawData().capacity()) / 2, 0)),
            model->protocolItem(model->index(static_cast<int>(model->rawData().capacity()) / 3, 0))
        };

        std::vector<ProtocolItem> copy;
        copy.reserve(model->rowCount());
        for (int i = 0; i < model->rowCount(); ++i) {
            copy.push_back(model->protocolItem(model->index(i, 0)));
        }

        int matches = 0;
        const auto filter = [&toBeRemoved, &matches](const ProtocolItem &pi) {
            for (const auto &tb : toBeRemoved) {
                if (pi.folder() == tb.folder() && pi.path() == tb.path()) {
                    matches++;
                    return true;
                }
            }
            return false;
        };
        copy.erase(std::remove_if(copy.begin(), copy.end(), filter), copy.cend());
        QCOMPARE(matches, toBeRemoved.size());
        matches = 0;
        model->remove_if(filter);
        QCOMPARE(matches, toBeRemoved.size());
        QCOMPARE(oldSize - 3, model->rowCount());

        // ensure we kept the original order
        for (int i = 0; i < model->rowCount(); ++i) {
            QCOMPARE(model->protocolItem(model->index(i, 0)).folder(), copy[i].folder());
        }
    }
};
}

QTEST_MAIN(OCC::TestProtocolModel)
#include "testprotocolmodel.moc"