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#include "fakestopprocessforupdateoperation.h"

#include "messageboxhandler.h"
#include "packagemanagercore.h"

using namespace KDUpdater;
using namespace QInstaller;

FakeStopProcessForUpdateOperation::FakeStopProcessForUpdateOperation()
{
    setName(QLatin1String("FakeStopProcessForUpdate"));
}

void FakeStopProcessForUpdateOperation::backup()
{
}

bool FakeStopProcessForUpdateOperation::performOperation()
{
    return true;
}

bool FakeStopProcessForUpdateOperation::undoOperation()
{
    setError(KDUpdater::UpdateOperation::NoError);
    if (arguments().size() != 1) {
        setError(KDUpdater::UpdateOperation::InvalidArguments, QObject::tr("Number of arguments does not "
            "match: one is required"));
        return false;
    }

    PackageManagerCore *const core = value(QLatin1String("installer")).value<PackageManagerCore*>();
    if (!core) {
        setError(KDUpdater::UpdateOperation::UserDefinedError, QObject::tr("Could not get package manager "
            "core."));
        return false;
    }

    QStringList processes = arguments().at(0).split(QLatin1Char(','), QString::SkipEmptyParts);
    for (int i = processes.count() - 1; i >= 0; --i) {
        if (!core->isProcessRunning(processes.at(i)))
            processes.removeAt(i);
    }

    if (processes.isEmpty())
        return true;

    if (processes.count() == 1) {
        setError(UpdateOperation::UserDefinedError, QObject::tr("This process should be stopped before "
            "continuing: %1").arg(processes.first()));
    } else {
        const QString sep = QString::fromWCharArray(L"\n   \u2022 ");   // Unicode bullet
        setError(UpdateOperation::UserDefinedError, QObject::tr("These processes should be stopped before "
            "continuing: %1").arg(sep + processes.join(sep)));
    }
    return false;
}

bool FakeStopProcessForUpdateOperation::testOperation()
{
    return true;
}

Operation *FakeStopProcessForUpdateOperation::clone() const
{
    return new FakeStopProcessForUpdateOperation();
}